Project management is the process in which you create a blueprint, and prepare a schedule to finish your work on time. In this process, you decide about initiating, closing, executing, controlling, and planning for work which has to be done by your team. It eventually helps you to achieve your goals in time and it also helps in increasing your goodwill. The is that you must take care of the needs of your client. main aspect of project management You must create the document while making a deal with your client that will contain all the details about your project. Under this process, we choose our team on the need of the project as everyone doesn’t know about every technology so we have to make the team with the required skills which can fulfill the need of the project. Project completion needs a lot of skills, efforts, management, and many more things. What is the need for project management? because it helps them in getting the end product as the project completion is very beneficial for the reputation of an organization and will make your client believe in you. Project management is necessary for entrepreneurs The projects that mainly need management are: The projects which have a limited time to be finished. So due to that, they have to get a proper start and a proper end. The very complex projects need the well-trained team to get it finished on time. Many projects need management so that if there comes any situation, they are ready to handle the risks. Why entrepreneurs should know about project management? Objectives & Clear Focus If you leave your project completely on the shoulders your team, then you will have to face many difficulties such as lack of objectives, delay in time-span, and many more things will happen. So to overcome all this, they have to use the project management technique as it divides the objectives of the project in different packets and is assigned to every team member to fulfill the objectives of the project that client needs. Quality control A project manager is needed to ensure that whatever you are delivering to your client, it must be of good quality. Like every project, life is dependent on its quality. So project management assigns the manager for the project, which is capable of handling and delivering a good quality product. Projects are mostly finished under the pressure of time, and the manager has to manage that pressure finely and has to take care of the project. He/she also needs to make sure that they will not compromise with the quality even under pressure. Moreover, if will deliver an unevenly done project to your client, you will have to face many problems for your organization which will harm the goodwill of your organization. Risk management They always need a manager who has the caliber to face all the risks that can happen with the project. A manager must have the caliber to rectify all the problems that are creating risks for the project and must be able to analyze all the risks that can happen in the future with the project. Thus project management helps with all these aspects. Moreover, it also renders you with some plans in advance to clear those risks. Orderly process If the companies are not using project management, they are lacking in following the procedure for the completion of the project. Now, if they will not manage the things properly in an orderly manner, then they will lack in achieving their goals related to their projects. They have to arrange the things in proper order and then have to follow them to achieve their goals of finishing the project on time which can only be achieved by project management. Continuous Oversight They must have to keep a continuous check on the team that whether or not they are working properly as per the prerequisites of the orders. They cannot do that without using project management. So project management is also very essential in this step to achieve the goals which will make the goodwill of an organization strong. Strategy They need the strategy to achieve their goals as they have to make decisions for the project to get it finished on time. They have to use project management as all these strategies are part of project management, and it will help them in achieving their goals. When do entrepreneurs need project management? Project management is needed when the projects are very complex and need a group of employees to come together to complete the project. It is needed to fulfill the needs of the objectives of the project so that it can be completed in the time issued by the client. They have to break the project in pieces, and they call them packets. These packets are assigned as a task to the team members so as they can achieve the objectives of the project on time. Completion of the project on time makes the goodwill of an organization strong as when the client gets their project on time they believe in that organization and their strength of doing work as professionals. There are three important factors which are responsible for the use of project management by entrepreneurs: Outcomes Benefits Strategic objectives for the project The final verdict: Project management is not only used by the entrepreneurs, it is also used by each of us as when we create any project we always make some plans that how to start that project, what is to be added as content, how it is to be designed, how to create a database, and there are many more things that you have to think before starting your project. So all these things, whatever you decide to do before start working on your project all come under project management.

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Not all WHOIS databases are created equal. When searching for the best product that can satisfy your organization’s security needs, make sure it meets the following criteria: The bigger the number of domains in the database, the better. To date, the magic number should be more than 6 billion WHOIS records, which corresponds to how big the Internet has grown. A revealed a total of 351.8 million domain names across all TLDs as of the first quarter of 2019. The closer to the (1,528) is in a product, the better. A regularly updated database should also be an indicator that the provider is keeping pace with the Internet’s growth. recent report total number of TLDs Comparisons are easier to do when the information one works on is consistently formatted. As such, the better-parsed and better-structured the data in the database, the less time an analyst spends on filtering and cleanup before diving into actual analysis. Just as one checks out product reviews before buying anything, see what existing customers have to say about the tool you’re considering. Companies that have been in the business for a long while typically provide good products and services, especially if they have big brand names vetting for them. Companies use a wide variety of programs to keep their networks secure. A good product should thus offer downloads in easy-to-configure formats that work with already-existing processes, applications, and systems. Eyeing the Market Let’s see what the market has to offer to organizations who want to beef up their cybersecurity posture with insightful threat intelligence. PROVIDER 1: WhoisXML API touts a unified and consistent database that contains billions of historic WHOIS records, domains, and subdomains across thousands of TLDs (both gTLDs and ccTLDs). It also has records of more than 8.9 million IP netblocks, translating to a 99.5% coverage of all the IP addresses in use today worldwide with 6+ billion WHOIS records, 300+ million active domains, and 2,684+ TLDs. It has been in the business for more than a decade and has a 52,000-strong list of satisfied customers. Its product is backed by a well-parsed and well-structured database that can be downloaded in three formats—MySQL, MySQL dump, and . They are also the only provider to offer . WhoisXML API CSV enterprise data feed packages PROVIDER 2: Domains Index specializes in providing subsets of WHOIS information that’s broken by region, country, gTLD, or even registration status (historically expired, deleted or dropped, etc.). As such, it gives subscribers access to domain data for specific purposes though records are also available for purchase in bulk—with close to 280 million gTLD and ccTLD domains in total. Domains Index PROVIDER 3: IQWhois is a reverse WHOIS domain name ownership database provider. Its database contains billions of regularly updated WHOIS records. It also has a constantly growing data archive on several domain names. All the information in its database amounts to 5 billion WHOIS records, 300 million active domains, and 2,864+ TLDs. IQWhois PROVIDER 4: JsonWHOIS is a domain application programming interface (API) services provider that, unlike others in the field, provides social media statistics along with WHOIS data. Its database has 5.2+ billion WHOIS records, 300+ million active domains, and 2,864+ TLDs. Its product also allows users to take screenshots of the historical states of company websites, giving them additional insights. JsonWHOIS PROVIDER 5: Domain Name Stat offers a comprehensive set of properly parsed information on all the domains registered via its product which touts 5+ billion WHOIS records, 300+ million active domains, and 2,864+ TLDs. It has been in the business since 2008. Its database is downloadable in the MySQL, MySQL dump, and CSV file formats as well. Domain Name Stat PROVIDER 6: Whoisology is a domain name ownership archive provider with 5+ billion searchable and cross-referenced WHOIS records, 317+ million active domains, and 2,850+ TLDs. It provides information in the usual three formats—MySQL, MySQL dump, and CSV. Whoisology PROVIDER 7: The Domain Research Corporation The Domain Research Corporation’s contains WHOIS records that are not older than 4 months, most of which are up to date at the time of download. Its data comes in both parsed and raw forms and includes 135+ million gTLD WHOIS records. The database can be downloaded as a MySQL dump file. DomainIndex.com --- Security teams that work to protect their respective organizations from all kinds of threats are not the only ones who stand to gain from additional sources of intelligence. Security outsourcers such as managed detection and response (MDR) and other managed security service providers can also rely on WHOIS data to vet initial findings and make connections about potential threat sources. Anyone out to safeguard against the ever-evolving threats need all the information they can get their hands on.

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has rapidly gone from something we only see in sci-fi movies to a technology we interact with every day. From making product recommendations to finishing your sentences, AI is everywhere. Artificial Intelligence (AI) But will AI replace doctors in a hospital? If you’re freaking out about being cut open by a robot doctor, the good news is that we’re not quite there (just) yet. But we’re not that far off either, so (like it or not) you better get ready for it. Is Dr. A.I. for Real? In some cases, an AI diagnosis is better than doctors. In fact, computers have been and cancer screening for years. So it makes sense to start leveraging smart algorithms in the diagnostic process. outperforming doctors in disease diagnoses If we take , for example, it helps get the diagnostic ball rolling right in the comfort of your home. HealthTap’s, Dr. A.I. Developed to work with Amazon’s Alexa, Dr. A.I. is programmed to have empathetic conversations about your overall health, symptoms, and provide highly personalized medical explanations. It will also recommend an appropriate (human) doctor to set up a consultation. Obviously, it’s not a viable substitute for a trained medical professional, but it can be instrumental in expediting the diagnostic process. This is because the app is designed to analyze data from a wide variety of sources, some that your own doctor may not even know about. While Dr. A.I. is far from perfect, its deep learning capabilities are making the technology better every day. So the false positives that potential patients might get today can be a distant memory in a few years. There are also that are designed to assist people. Like Dr. A.I., these AI-powered chatbots can support diagnostic initiatives, book appointments with specialists (in the area), and ensure patient medication adherence: other smart chatbots Babylon Health Ellie Florence MD Safedrugbot Will Doctors Become Obsolete? The short answer is “not exactly.” As technology gets better and healthcare institutions make better use of the , you can expect to see more doctors using AI regularly to accelerate diagnosis and enhance the level of care. Internet of Things (IoT) AI will change the face of traditional medicine and improve outcomes dramatically. If we take , for example, it optimizes the doctor’s diagnostic capabilities and even helps . Google’s DeepMind predict conditions two days before any symptoms present themselves In fact, Google’s smart algorithm (which was developed using 42,000 patient scans), outperformed six radiologists to determine if patients had lung cancer. It detected 5% more cancers than its human counterparts and reduced false positives by 11%. While that might seem like a small percentage, this is fantastic news for a field that’s plagued by false positives. For example, according to a study in , 2,100 patients had a false-positive rate of 97.5%. JAMA Internal Medicine In another study conducted at Stanford University, smart algorithms were developed to diagnose skin cancer by using a database with almost 130,000 images of skin diseases. In the diagnostic tests that followed, . the results were virtually identical to that of 21 dermatologists This is revolutionary for the field as it creates almost superhuman medical practitioners. When you merge human experience, knowledge from deep data, and mechanical precision, you can deliver enhanced patient experiences. So does this mean that we’ll see AI replacing surgeons in a couple of years? No! While AI won’t replace medical professionals, these accurate predictions could also lead to preventative medicine. So it’s never going to be a case of AI vs. doctors. Instead, smart algorithms will improve their chances of making an accurate diagnosis. For example, doctors and researchers at the Mayo Clinic in Rochester, Minnesota, on the ability of AI to quickly detect atrial fibrillation. This life-threatening heart condition is notorious for being difficult to diagnose. While the symptoms were too intermittent or imperceptible for humans, AI was able to identify it. recently shared their findings on the Lancet In similar studies conducted in China, on average, . the algorithm performed better than junior doctors When will robots replace doctors? Probably not in our lifetime. There are many reasons why robots can't replace doctors,and the same goes for smart algorithms. However, the main reason it won’t happen is that it can’t be trusted completely. AI works with data to make a diagnosis, and data can always come with some limitations. For example, . So when algorithms are , it can be a challenge to make an accurate diagnosis when the patient is an ethnic minority. AI is often trained on ethnically homogenous datasets trained and validated on Caucasian populations with the typical exclusion of minorities While doctors themselves might have their about these new technologies, AI in healthcare is here to stay. apprehensions and complaints AI will help and treatments, ensure medication adherence, make doctors more efficient, and deliver enhanced patient experiences. accelerate the development of new medicines Let's take this conversations over to Twitter !

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Both and are integrated development environments (IDEs) designed to help with Oracle database development tasks and PL/SQL coding productivity. However, just as any two tools, the ones we’re discussing are not exactly the same. Sometimes, it’s very important to know which solution to choose given your specific needs and preferences. In this article, we’ll look at the differences of dbForge Studio and PL/SQL Developer and analyze their strengths and weaknesses in detail. dbForge Studio PL/SQL Developer Database connectivity Let’s start with Oracle database connectivity features. In both IDEs, you’ll find: Support for Oracle versions from 10 through 19c; Support for Oracle Instant Client; The ability to use several Oracle Homes in a single application; The ability to work with Oracle on Amazon RDS; The ability to establish a connection without Oracle client software with the help of direct access mode; Support for Unicode; The ability to mark connections with specific colors. Additionally, there are some product-specific features. includes OS authentication and support for cloud connections. dbForge Studio for Oracle , on the other hand, has an option which automatically closes any unused connections. PL/SQL Developer Editing and executing SQL When it comes to editing and executing SQL, dbForge Studio and PL/SQL Developer share the following functionality: Code snippets; Customizable SQL formatting; Parameter information for stored routines; SQL editor with syntax coloring, bookmarks, and text searching; Quick access to favorite templates from the SQL editor; Execution of scripts, selected SQL fragments, and statements; One-step access to a schema object editor from code (go to definition); Executed SQL history of the current document. unique features are the read-only mode, saving with history, and comparing to the current or other file. PL/SQL Developer’s , for its part, provides automatic SQL syntax checking, outlining code with support for user-defined collapsing regions, wildcard expansion, quick information about schema objects, and the Document Outline window which allows navigating through large scripts. dbForge Studio Code completion Out of the two IDEs we’re comparing, only dbForge Studio for Oracle has code completion functionality. It provides name suggestions for major and advanced objects, smart filtering in the suggestion list, context-sensitive keyword suggestions, database context detection, individual word recognition in CamelCase identifiers, automatic generation of table aliases, and more. Administration and maintenance When it comes to administration and maintenance functionality, you will be able to monitor all active Oracle server connections and user sessions with the help of the session manager and track all database alerts and pipe messages through the Event Monitor – no matter what solution of the two you choose. extends this set of functionality by allowing you to administer user accounts and privileges by using the built-in Security Manager. However, like in PL/SQL Developer. dbForge Studio you won’t be able to manage .dll plugins Data analysis While analyzing data with any of these IDEs, you can see table data representing Parent-Child dependencies, create data reports, search data in a live database, and use a specialized Wizard that will help you build charts. On top of this functionality, dbForge Studio includes a pivot table designer, and a Wizard for data report generation. It can also run automated report generation tasks through the command line interface in the quiet mode, as opposed to PL/SQL Developer which doesn’t provide such a feature. Editing data The capabilities for working with data that a tool provides can be a crucial point when you’re deciding which solution to choose. Both of the tools we’re analyzing include the most important data editing features such as: Custom data filters; Date/time editor with a visual interface; Full-text search in the data grid; Large objects editor (LOB); Record numbering; Indication of read-only state; Copying data with column headers to quickly paste it into a spreadsheet. Features unique to include scroll lock for rows and columns, web search, and the ability to display column totals (SUM, AVG, COUNT). PL/SQL Developer In its turn, comes with a foreign key lookup editor, the ability to copy any block of data to the clipboard, grouping by arbitrary columns, incremental search through the data grid (Ctrl+I), paginal data browsing for large result sets, quick filter for each data cell, the ability to build reports, charts, and pivots directly in the data editor (PL/SQL Developer only allows to build charts), and server-side sorting and filtering which help dealing with large data sets. dbForge Studio for Oracle Data explorer Both IDEs allow you to establish multiple database connections, browsing and navigating through database objects, customizable DDL generation via a specialized wizard, and multi-selection for batch operations on objects. extends this basic functionality by providing the ability to connect to a server asynchronously, view detailed object properties, browse the dependency tree of any object, quick template script generation for any object, convenient access to object privileges (GRANT) from the context menu, and the ‘Send To’ command which will send selected tables to other tools such as Query Builder, Data Report, etc. dbForge Studio for Oracle Database projects You can work with projects in the Project Explorer window and save the state and settings of your workspace in a similar way in both solutions, but dbForge Studio for Oracle includes additional features, enabling you to browse a project’s logical structure with the help of the Schema View window, export projects to scripts, deploy a project to the server in a single click, use multiple build configurations, and work with the New Project Wizard which can import existing databases. Oracle debugger Here, PL/SQL Developer and dbForge Studio for Oracle have , allowing to debug both PL/SQL and scripts with the help of step-by-step execution commands, breakpoints for procedures, functions, triggers, and scripts, Call Stack window, and the Watches window for variable evaluation. very similar functionality Data export and import You will be to export data from multiple tables at once in the following formats: PL/SQL Developer – CSV, XML, XLSX, HTML, TSV, SQL dbForge Studio for Oracle – CSV, XML, Text, XLS, XLSX, PDF, DBF, HTML, RTF, MDB (Access), ODBC, TSV, SQL You can use the formats below to import data when working with the IDEs we’re discussing: PL/SQL Developer – PL/SQL export file, SQL/SQL.zip, ODBC. dbForge Studio for Oracle – CSV, XML, Text, XLS, XLSX, DBF, MDB (Access), ODBC. Also, with dbForge Studio for Oracle you can save templates for frequent import and export tasks. Table designer When visually designing tables in any of the IDEs we’re dicussing, you can use the flat table editor and foreign key editor, view schema changes before updating the database, check the data type of new columns with the help of heuristics, and work with partitioning. unique feature in this regard is full-text search in the column grid, while allows to export a selected tab. dbForge Studio’s PL/SQL Developer Object editor Another very important aspect of an IDE is how extensive its features are when it comes to working directly with objects. The two IDEs support a similar set of object types you can work with, but dbForge Studio stands out by  supporting materialized view logs and XML schemas. As for object editing and management, is remarkable in that it allows you to apply a single-condition filter for all objects. PL/SQL Developer In its turn, provides the ability to search schema objects based on various parameters, browse schema objects in a single editor, and, most importantly, to undo actions in the object editor, which can help avoid changes made by mistake. dbForge Studio for Oracle Oracle export and import utilities and allow you to quickly access them from the Database Explorer. dbForge Studio for Oracle also has specialized Wizards for configuring the import and export procedures. Both solutions support the Exp and Imp utilities Visual query builder An ability to visually build and manage queries is provided in both IDEs in question, including keyboard support, query outline, and visual editing of sub-queries. The differences between dbForge Studio and PL/SQL Developer are as follows: allows you to work with query statistics. PL/SQL Developer provides an informative printable diagram, allows to visually add sub-queries to any part of the main query, create complex conditions with the help of the expression builder, copy and paste tables in the diagram, undo and redo actions, and zoom the diagram to any required level. dbForge Studio Visual query profiler This feature helps you detect code performance bottlenecks by providing detailed session statistics, query plans displayed in a tree, and a profiling history that can be printed or saved for further analysis. adds a feature that allows you to compare profiling result and view the differences highlighted, while can display profiling results in different formats. dbForge Studio for Oracle PL/SQL Developer Schema comparison and synchronization Both PL/SQL Developer and dbForge Studio for Oracle provide basic comparison and synchronization capabilities for data, objects, and structure, with the ability to generate data synchronization scripts. However, dbForge Studio goes further and adds the following functionality: Support for custom comparison keys; BLOB data comparison; Filtering comparison results; Viewing data differences for individual records; Excluding tables and records from synchronization; Saving and loading comparison settings; Command line interface for data comparison and synchronization; Generating comparison reports in HTML and Excel formats. Schema export and import On this point, the IDEs in question differ quite a lot. allows to export Oracle object definition schemas without data and save each schema object in a separate file while exporting. PL/SQL Developer provides comprehensive database schema export and import wizards, the ability to reverse-engineer object DDL (including roles and permissions to recreate objects in a different database or schema), work with schema export projects, compress export output files, log errors and status, and automate schema export with the help of the command line interface. dbForge Studio for Oracle Database design Both dbForge Studio for Oracle and PL/SQL Developer have a built-in visual database designer that can visualize tables, views, and stored procedures, provide easy access to database objects to manage and edit them, give you the ability to add notes to the diagram, organize diagram shapes with containers, and export the diagram to different image formats. dbForge Studio has many features in addition to the ones we listed above. For example, it supports IDEF1X and IE notation, provides the ability to customize the diagram appearance, and search the diagram for database objects. The Database Designer in dbForge Studio integrates with the Document Outline window so that you can navigate the diagram specifically through this window. User interface , customizable window layout, tool windows with ‘auto-hide’ and ‘float’ modes, tabbed groups for documents, and customization of toolbars. Both IDEs provide robust user settings In addition to this, dbForge Studio has a start page providing easy access to all main features of the product, various built-in UI skins, multiple customizable shortcut configurations, syntax highlight customization, and a specialized wizard for sharing common code standards and templates. CONCLUSION We analyzed in detail two different IDEs designed to improve your Oracle database development and management process – dbForge Studio for Oracle and PL/SQL Developer. Each one  has its own strengths and provides unique features which aren’t present in the other IDE. However, the most noticeable difference is that dbForge Studio provides extensive code completion capabilities – a feature that PL/SQL Developer lacks. You can take a look at these solutions at their official websites: dbForge Studio for Oracle PS/SQL Developer

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dbForge Studio vs. PL/SQL developer: Which Oracle IDE to choose?

Recently, SADA Systems about their use of public cloud services and they found that 84 percent of IT managers are using public cloud infrastructure, as opposed to the corporate data center. According to Tony Safoian-- president and CEO at SADA Systems--All signs point to the adoption of public cloud is growing and enterprise IT is becoming more comfortable with the prospect of running their crucial and sensitive data on public cloud infrastructure”. surveyed about 200 IT managers Now, Cisco is also forecasting that by the year 2020, 92% of all the data center network traffic. (shown below), interest surrounding Google Cloud Platform itself has been on an exponential rise over the past two years. cloud traffic will represent As per the Google Trends Nowadays, more and more firms are migrating as in most cases it provides the most flexible, secure, and cost-effective solution. It saves money as well as time on IT staffing and allows for the most rapid scaling of any online solution or platform. Ref: Google Trends Google Cloud Hosting is just one of the many web development services provided by the Google Cloud Platform. In addition to this, they offer their storage solutions, DNS, App Engine, CDN, and a plethora of other products. Google Cloud Platform comprises physical servers in addition to virtual resources like virtual machines that are comprised of Google’s data centers around the globe. There are many companies that use Google Cloud Platform’s multi-regional deployment mode which means that you can choose a different data center for each of your WP websites. There are thousands of reputed companies using the Google cloud platform. Some notable companies using Google Cloud Platform (App Engine or Compute Engine) include HSBC, Home Depot, Spotify, HTC, Best Buy, Snapchat, Coca Cola, Domino’s, Philips, Feedly, Sony Music, ShareThis, and Ubisoft. Moreover, Apple has also been seen moving some of its services away from Amazon Web Services, spending between $400 million & $600 million on the Google Cloud Platform; although this could not be independently confirmed. Google Cloud Hosting Advantages Now let’s look at some of the top benefits of using Google Cloud Hosting and why we think it is the best solution in the market as it relates to pricing, stability, performance, scalability, backups, and security. Private Global Fiber Network Better Pricing Than Competitors Live Migration of Virtual Machines State of the Art Security Improved Performance Redundant Backups Dedication to Continued Expansion Let’s talk about how to host web applications on the Google cloud platform. In order to host a web app, first, it is required to configure a cloud storage bucket. And, after that, we upload and share the website’s files. Ultimately, we test the web app. How to Create a CNAME Record? A CNAME record is a type of DNS record. It directs traffic that requests a URL from your domain to the resources that you want to serve. For a domain like , the CNAME record contains the information below: www.xyz.com Creating a bucket If you want to connect your domain to the cloud storage: 1. Create a CNAME record that points to c.storage.googleapis.com. And your domain registration should have a proper path to administer your domain including adding a CNAME record. For instance, if you add a CNAME record pointing to c.storage.googleapis.com, then you will require creating a bucket with the name of www.xyz.com www.xyz.com CONSOLE To create a bucket: Open cloud storage browser in the Google cloud platform console. Click on ‘Create bucket’ to open the bucket creation form. Enter your bucket information and click Continue to complete each step. The Name of your bucket. The storage class and location for your bucket. The access control model for your bucket. Click on Create. If it is successful, it will take you to the bucket’s page where you see the text that ‘there are no objects in this bucket’. GSUTIL Use gsutil mb command: Gsutil mb gs: // www.xyz.com If successful, the command returns: Creating gs: // / www.xyz.com CODE SAMPLES C++ C# GO JAVA NODE.JS PHP PYTHON RUBY REST APIS JSON API You will get an authorization access token from the OAuth 2.0 playground. You can configure the playground to use your own OAuth credentials. Create a.json file that assigns your site name to the NAME property. Now, use cURL to call the JSON API. For www.xyz.com: XML API Get the authorization access token from the OAuth 2.0 playground. Configure the playground to use your own OAuth credentials. Now, use cURL to call the XML API with a PUT object request. For the index page of www.xyz.com Uploading your website’s files In order to add to your bucket the files you want your website to serve: CONSOLE Open the cloud storage browser in the Google cloud platform console. In the list of buckets, click on the name of the bucket that you made. Click on the Upload files button in the Objects tab. In the file dialog, browse to the desired file and select it. Once the upload finishes, you should see the file name along with the file information shown in the bucket. GSUTIL You can use the gsutil CP command to copy files to your bucket. For instance, to copy the file index.html from its present location Desktop: Gsutil cp Desktop/index.html gs: // www.xyz.com If successful, then the command returns: CODE SAMPLES C++ C# GO JAVA NODE.JS PHP PYTHON RUBY REST APIS JSON API Get an authorization access token from the OAuth 2.0 Playground. Configure the playground to use your own OAuth credentials. Use cURL to call the JSON API with a POST object request. For the index page of www.xyz.com curl -X POST --data-binary @index.html \
-H \
-H \ "Content-Type: text/html" "Authorization: Bearer ya29.AHES6ZRVmB7fkLtd1XTmq6mo0S1wqZZi3-Lh_s-6Uw7p8vtgSwg" Link XML API Get an authorization access token from the OAuth 2.0 Playground. Configure the playground to use your own OAuth credentials. Use cURL to call the XML API with a PUT Object request. For the index page of 	www.xyz.com Sharing your files Either you can make all the files in your bucket publicly accessible or you can set individual objects to be accessible through your website. Usually, creating all the files in your bucket accessible is easier and faster. In order to create all files accessible, follow the cloud storage guide for making groups of objects publicly readable. To create individual files accessible, follow the Cloud Storage guide for making individual objects publicly readable. If you select to control the accessibility of individual files, you can set the default object ACL for your bucket so that all the files uploaded to your bucket are shared by default. Recommended: Assigning speciality pages You can also assign an index page suffix which is controlled by the MainPageSuffix property and a custom error page, which is controlled by the NotFoundPage property. Assigning either is optional, but without an index page, nothing is served when users access your top-level site. For instance, http:// www.xyz.com Index pages The index page (also known as a web server directory index) is a file served to visitors when they request a URL that does not have an associated file. When you assign a MainPageSuffix, cloud storage looks for a file with that name whose prefix matches the URL the visitor requested. For instance, let’s suppose that you set the MainPageSuffix of your static website to index.html. Additionally, suppose you have no file named directory in your bucket . In this case, if a user requests the URL /directory, Cloud storage attempts to serve the file . If that file does not exist, Cloud storage returns an error page. www.xyz.com http://www.xyz.com www.xyz.com/directory/index.html The MainPageSuffix also controls the file served when users request the top-level website. Continuing the above instance, if a user requests http:// , cloud storage attempts to serve the file . www.xyz.com www.xyz.com/index.html Error Page The error page is the file returned to visitors of your static website who request a Universal Resource Locator(URL) that does not correspond to an existing file. If you have assigned a MainPageSuffix, cloud storage only returns the error page if there is neither a file with the requested name nor an applicable index page. When returning the error page, the http response code is 404. The property that controls which file acts the error page is NotFoundPage, users receive a generic error page. Setting MainPageSuffix and NotFoundPage In the below-mentioned sample, the MainPageSuffx is set to index.html and NotFoundPage is set to 404.html: CONSOLE Open the cloud storage browser in the Google cloud platform console. In the list of buckets, search the bucket you made. Click on the More actions icon and then move next to the bucket. Also, choose the Edit website configuration. In the configure website dialog, Indicate the Main Page and the 404 (Not Found) Page. Click on Save. GSUTIL Use the gsutil web set command to set the MainPageSuffix property with the -mflag and the NotFoundPage with the -e flag: gsutil web set -m index.html -e 404.html gs:// www.xyz.com If successful, the command returns: Setting the website config on gs://www.xyz.com/... Testing the website Now, verify the content is served from the bucket by requesting the domain name in a browser. You can do this using a path to an object or with just the domain name if you set the MainPageSuffix property. For instance, if you have an object named test.html stored in a bucket named , check that it’s accessible by going to in your browser. www.xyz.com www.xyz.com/test.html Wrapping up After reading this blog, you will get the knowledge on how to create a website using google cloud. If you still any confusion, you can hire web developers who can help in configuring your site to Google cloud. By opting for the right web development solution, you can have a secure, scalable and feature-packed Google cloud-based website.

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JShell or Java Shell is a Read-Evaluate-Print Loop (REPL). This means it evaluates expressions as and when they are entered and shows us the results. JShell can be accessed from the command line and is an excellent tool to make adjustments to your code.  A basic Java program needs you to go through the tedious process of writing a complete program before compiling it, fixing the errors, running it only to find that the output is not what you expected. Using a JShell helps you find problems as and when you’re developing code. You can run individual statements in a JShell and use APIs you have no idea about. FUN FACT: The internal name for JShell is Project Kulla. The developers’ community is famous for their quirky names and this one is worth mentioning. Kulla comes from the Mesopotamian mythology as the builder god who was banished after the construction was complete. We are sure you totally can relate JShell with Kulla, as JShell is period of an application. necessary only for the Java software development JShell or Java Shell is a new tool introduced in NetBeans which is used to run standalone pieces of code. One can use methods without classes and context-free codes to validate them on JShell. To understand JShell and master it, one needs to understand the basic six aspects of it, beginning with the basic commands in JShell. The second comes learning how to use variables. The third part is understanding methods and all of the related aspects like method overriding, method overload, etc. followed by the fourth part which deals with declaring, modifying and extending classes. The fifth part deals with control flow statements and enums while the sixth consists of lambda expressions. And that’s how you master JShell. It is beyond the scope of this article to discuss each and every module of JShell in depth, however we can definitely talk about the basics, beginning with: Starting JShell Once you are on NetBeans head over to the tab called Tools. Select Open Java Platform Shell from it. That’s all! You are now on your very own Java command prompt. Once there, go ahead and type: / help This will enlist a number of commands that you can type with their usage. You can type in : /list  -start This will enlist all the packages that are imported by default as soon as you start a JShell. You can simply import all the other packages if you want to use them. Similarly, one can declare variables simply as it is done in a simple Java code snippet. System.out.println statement can be used to print the values of the variables. A thing to note here would be that a variable type has to be declared by the user and will not be declared automatically by JShell. Implicit variables Implicit variables are variables automatically defined by JShell and this is a unique JShell feature. In a simple Java code, you cannot implicitly declare variables. Howevr, in JShell if you simply write ‘1’, it will create a variable $1 implicitly. Also, when you operate, JShell implicitly creates a variable to store the result of the operation. For example, if you write ‘1 + 2’, JShell will implicitly create a variable $4 ==> 3. You can also use implicit variables normally, for example $1 + $4 is allowed. A string literal like “Hello World” will also invoke implicit variables and the variable can be used in another code snippet to be printed or used. Adding integers with decimals and such operations where widening of data types comes into picture, implicit variables play an important role. Remember how /list lists all the code snippets? Similarly /vars lists all the variables. A tip to remember would be that JShell does not allow the top level variables to be static or final. If you try to do so, a warning will be generated. While the variable will be nevertheless created, it won’t be static or final in nature. JShell is not an IDE So that is all for the very basics. Once you start using JShell, you will get the gist of how to make the most of it. It’s a powerful tool for agile development and is a boon to all Java Developers. However, one should never confuse it for an IDE (Integrated Development Environment). To simulate a complete project, or to develop an application one can never rely on JShell. It is only a tool that aids a developer. Here, Netbeans is an IDE and JShell is an ‘application/command’ on its own. JShell is a new feature in JDK9 and NetBeans 9. If you wish to use it, update your NetBeans to the latest version and get started. There isn’t much to learn afresh when dealing with JShell – just a few no-nos to keep in mind and a couple of new and exciting features to explore – and that is what makes JShell so much fun and useful. Sources: https://docs.oracle.com/javase/9/jshell/introduction-jshell.htm https://www.developer.com/java/data/using-jshell-in-java-9-in-netbeans-9.0-part-1.html

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The DevOps practices are helping companies build software that will function properly in a more automated world & this is what building cloud-native software is all about. While the cloud-native approach is becoming more critical and making life easier for everyone involved in software development, there are still industries that are laggards and kind of scared to move out of their legacy practices. Yes, we are talking about the highly regulated industries like Healthcare, Financial corporations, government agencies, etc. When it comes to adopting new technologies of building software, these industries have always remained slow because of the limitations they carry with them. But recently we have seen so many traditional banks and hospitals moving towards DevOps and cloud-native practices. You cannot be a cloud laggard these days, dragging traditional systems into the cloud. It is not just software companies that are innovating these days; every company is becoming a software company now. Being innovative and delivering features and products fast and with quality is the need. Netflix, it used to ship DVDs through the mail, with an IT architecture centered around an Oracle-based datacenter. Netflix soon understood the importance and leveraged the cloud-native approaches, DevOps practices, and automation. Now, Netflix is the leader in disrupting the technology and has achieved a special status as the cloud-native company that has an unbelievable tech stack. This forecast (Image below) shows the annual growth rate of the industry cloud computing market worldwide in 2019 compared to 2018, by industry. It is forecast that the finance segment of the industry cloud market will have an annual growth rate of 22.8 percent from 2018 to 2019. Source & Credits: Statista Why is it difficult to embrace cloud-native and DevOps in regulated industries? As microservices and container-based infrastructure are enriching how the software is built these days, new challenges with security and compliance appear for regulated firms. Regulated industries imply several challenges Strong restrictions on secured networks Fine-grained audit trails Strong ACLs models Full lifecycle governance Integration with 3rd parties Now, let us see the use cases of some traditional firms who transformed themselves into a modern software firm through the cloud-native technologies & principles. The CNCF Landscape Image credits & source: CNCF Cloud Native Interactive Landscape The (CNCF) code describes cloud-native applications as having the following attributes: Cloud Native Computing Foundation Container packaged Dynamically managed Microservices oriented Containerization enables accelerated deployment and updating of applications. Also provides standardized development environments removing deviations between development and deployment. Reducing the risk of security and feature issues brought about by friends in each respective environment. This is particularly true when microservices principles are employed, and the dynamic orchestration is achieved through Kubernetes. Kubernetes handles deployments, maximizes resource utilization, provides “desired state management” capabilities, and enables application auto-scaling. Let’s not go so deep into the evolution and the introductory part of Cloud-Native principles but you can always refer my other article that I recently wrote on ‘ ’ Cloud-Native DevOps When it comes to cloud-native, we have to talk about Kubernetes. Kubernetes has become the most widely used orchestration platform, and its acceptance has forced it to mature quite fast and has left the technology community to innovate rapidly. because it offers many built-in capabilities that make application deployment smooth, standardized, and reusable, improves developer productivity, collaboration, and speeds up the adoption of cloud-native practices. Kubernetes is ideal for CI/CD automation This is how the Kubernetes graph is growing as per the Google trends search interest data. Image source: Google Trends And the below figure shows how the Kubernetes adoption is skyrocketing. Source: Kubernetes in Financial Services Kubernetes (K8s) in Regulated Environment While the benefits of modern software architectures are clear and many businesses around the world are already enjoying faster release cycles, quality features delivery, scalability, and maintainability for regulated industries like healthcare, finance and government are slower to adopt them. And this happens for a good reason - for example, vanilla or managed Kubernetes is not compliant with medical data handling regulations for the USA out of the box. In , Artem Semenov from is showing us the basic requirements for making K8S compliant with sensitive data handling regulations and possible technical solutions for making it happen no matter where you run your cluster, on-premise or with a major cloud provider. this video Align Technology Source: Kubernetes (K8s) in Regulated Environment In the video, Artem talks about making the setup compliant when it comes to employing Kubernetes in regulated industries and in particular, he points out 'Transmission Security,' securing all your data encrypted if it travels through the network. He explains the Kubernetes architectural options and how did they end up choosing Istio to make sure the data is encrypted and compliant throughout. Italy's Biggest Traditional Bank is Embracing Kubernetes A conventional bank running its real business on such a young technology? Yes, Italy's banking group, Intesa Sanpaolo, has made this transition. Better to say, it is still learning on its way through digital transformation. The bank's engineering team came up with an initiative strategy in 2018 to throw away the old way of thinking and started embracing the technologies like microservices, container architecture, and migrate from monolithic to multi-tier applications. It was transforming itself into a software company, unbelievable. These are banks who still run their ATM networks on 30-year-old mainframe technology and embracing the hottest trend & tech is nearly unbelievable. Even though ING, the banking and financial corporation changed the way the banks were seen by upgrading itself with Kubernetes and DevOps practices very early in the game, there was still a stigma with adopting Kubernetes in the highly regulated and controlled environments like Healthcare, Banks, etc. Today the bank runs more than 3,000 applications. Of those, more than 120 are now running in production using the new microservices architecture, including two of the 10 most business-critical for the bank. Read the full case here ‘ ’ How hot is Kubernetes? Even traditional banks are transforming to embrace it Monzo, the mobile U.K. bank, Changing the Way Banking is Done Many of the financial technology firms, now what we call fintech sector has evolved over the years and have been progressing with the help of modern application architectures and that are associated with cloud-native technologies. One example is , the mobile U.K. bank, which is changing the way banking is done. They released their annual report in July citing growth from 0 to 750,000 customers in 3 years. Watch this fantastic video of Monzo's Senior staff engineer, Matt Heath explaining ' ' DevOps tools and practices Monzo Building a Cloud-Native Bank HSBC is Rewriting the History with Cloud-Native Technology One of the world's largest banks is set to become an early user of Google's Cloud Services Platform, to provide core banking services to its business customers. HSBC plans to build its all-new business banking service to run on a . HSBC also has excellent partnerships with AWS and Microsoft by favoring the multi-cloud strategy. HSBC engineering team believes that moving to a container model under the umbrella of Kubernetes is significant because it means the environment is similar across different clouds. Kubernetes-managed container infrastructure using Google's toolset Recent Capgemini research ‘ ’ specific to banks about Cloud-Native adoption adds, “Once the number of applications moved into this model achieves critical mass, banks can start making large changes to the existing infrastructure to keep costs low. But, until that happens, the legacy investment will continue to be a major impediment to the rapid move to cloud-native that is necessary to address the changing customer and regulatory environment.” Cloud-native comes of age in banking Safeguarding customer data has been the biggest concern for the banks and hospitals, Capgemini’s banking report states, “Cloud-native applications are inherently designed for the new & modern ecosystem—enabling secure and efficient operations. Applications and services are designed to support the way data are shared today. HealthCare Sector is Headed Towards the Cloud-Native Era As we know, when it comes to healthcare organizations, special concerns need to be addressed. But that doesn't mean to hamper the innovation and lower the cloud adoption; it is required to handle a variety of critical IT needs, including a must for increased security, protection of sensitive patient data and meeting regulatory compliance. Despite the initial hesitation, the healthcare sector is increasingly embracing the cloud-native technology successfully. Healthcare organizations gather vast amounts of critical data on their servers, everything from patient personal info, admission, diagnoses, billing, and discharges. These data needs will only continue to expand & evolve over time, requiring equally augmented security measures and flexibility to remain stable and secure. Legacy infrastructure and old practices won't help here, and this is where healthcare organizations are required to move to the modern cloud practices such as cloud-native, microservices, and hybrid cloud practices to ensure they thrive and survive in the heavily competitive world. The healthcare industry is increasingly adopting hybrid cloud and cloud-native practices. According to a report by , the healthcare industry now ranks third, by industry, in the number of hybrid cloud deployments worldwide. It also estimated that, in just two years, healthcare providers’ hybrid cloud deployment will jump from 19% penetration to 37%. Nutanix Many healthcare organizations are heavily dependent on AWS as their preferred cloud provider to double-down on focus to disrupt healthcare. Cerner HealtheIntent is a cloud-based, programmable population health management platform, recently , Inc. to help various healthcare organizations to innovate and increase the clinical efficiency, advancing better patient health outcomes. announced a collaboration with Amazon Web Services Children’s Hospital of Orange County (CHOC) has employed the DevOps principles way earlier with the help of Cerner’s HealtheIntent® platform. Dr. William Feaster, chief health information officer, Children’s Hospital of Orange County (CHOC), stated something like this, “Transforming the HealtheIntent data and loading it on AWS has allowed us to leverage big data and sophisticated data science tools, along with the elastic compute environment on AWS. This has accelerated our data science work at CHOC.” Cloud First Policy by UK Government Just like the healthcare sector, Government organizations pose security and compliance issues when it comes to adopting cloud-native practices. Government bodies hold much more valuable data and affect adversely to the entire nation if not appropriately handled. The UK government wrote a blog on their cloud journey ‘ ’ From Cloud First to Cloud Native They have explained about the cloud-native definition and their approach towards the same. (As per the blog) Internally, the engineering team has begun to move away from the phrase "Cloud First," and instead start to think in terms of "Cloud Native." To remain competitive & evolving in this highly evolving tech space, the regulated industries must succeed in transforming their IT systems into a more digitally sound systems. Adopting cloud-native practices, flexible tools, DevOps practices, cloud principles, and microservices architecture - these are the need today in the regulated industries to ensure not only the fast, quality and smooth services delivery to the end customers but also to make sure the safety is the supreme priority.

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The Cloud-Native & DevOps Approach in Regulated Industries

While SwiftUI is an extremely useful framework to create complex views, we all know that UIKit is here to stay for a good amount of time. Apple has made the Collection Views even more powerful this year with the release of new APIs. Compositional Layout lets you create complex and intricate collection views in SwiftUI really easily. We will create a simple collection view layout that has horizontal scrolling, and each row contains three cells. One on the left side and two stacked together on the right. Let's start by writing the CollectionViewCell and UICollectionView code. The cell will be really simple: UIKit { containerView: = { view = ()
        view.backgroundColor = .white
        view.translatesAutoresizingMaskIntoConstraints = view
    }() (frame: ) { . (frame: frame)
        configureViews()
    } {
        addSubview(containerView)
        containerView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor).isActive = containerView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor).isActive = containerView.topAnchor.constraint(equalTo: contentView.topAnchor).isActive = containerView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor).isActive = } ?(coder: ) { ( )
    }
} import : class QuickCell UICollectionViewCell let UIView let UIView false return override init CGRect super init func configureViews () true true true true required init NSCoder fatalError "init(coder:) has not been implemented" In our , we will set up the collection view: ViewController { collectionView: ! dataColors = [
        [ .red, .blue, .green, .magenta, .purple, .orange, .black, .lightGray, .blue],
        [ .red, .blue, .green, .magenta, .blue]
    ] { .viewDidLoad() collectionView = (frame: .zero, collectionViewLayout: createCustomLayout())
        collectionView.backgroundColor = .white .collectionView.delegate = .collectionView.dataSource = .collectionView.register( . , forCellWithReuseIdentifier: )
        configureCollectionView()
    } {
        collectionView.translatesAutoresizingMaskIntoConstraints = .view.addSubview(collectionView) .activate([ .collectionView.topAnchor.constraint(equalTo: .view.layoutMarginsGuide.topAnchor), .collectionView.bottomAnchor.constraint(equalTo: .view.bottomAnchor), .collectionView.leftAnchor.constraint(equalTo: .view.leftAnchor), .collectionView.rightAnchor.constraint(equalTo: .view.rightAnchor)
        ])
    } -&gt; { dataColors. } -&gt; { dataColors[section]. } -&gt; { cell = collectionView.dequeueReusableCell(withReuseIdentifier: , : indexPath) ? { colorArray = dataColors[indexPath.section]
            
            cell.containerView.backgroundColor = colorArray[indexPath.row] cell
        } { ()
        }
    } : , , class ViewController UIViewController UICollectionViewDelegate UICollectionViewDataSource var UICollectionView let UIColor UIColor UIColor UIColor UIColor UIColor UIColor UIColor UIColor UIColor UIColor UIColor UIColor UIColor override func viewDidLoad () super // Do any additional setup after loading the view. UICollectionView self self self self self QuickCell self "cellID" func configureCollectionView () false self NSLayoutConstraint self self self self self self self self func numberOfSections ( collectionView: UICollectionView) in Int return count func collectionView ( collectionView: UICollectionView, numberOfItemsInSection section: Int) _ Int return count func collectionView ( collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) _ UICollectionViewCell if let "cellID" for as QuickCell let return else return UICollectionViewCell The above code is quite simple. I have created an array which has two arrays in it. Then I have created a collectionView and initiated it with a function (more on this in a bit). Then I have just added the collectionView as a subView and configured auto-layout constraints. createCustomLayout() Now let's get to the fun stuff! The main thing to understand here is what is , and . We design a section by creating a group. That group then contains items. Item Group Section In the above picture, you can see the section dissected. In the section, we have two groups. (two black boxes). In each group, we have item. The left group contains one item, while the right group contains two items. This is also where we have nested groups in action. We are adding two groups inside one group to create a section. Let's see how we can achieve this using code. -&gt; { layout = { (section: , environment: ) -&gt; ? leadingItem = (layoutSize: (widthDimension: .fractionalWidth( ), heightDimension: .fractionalHeight( )))
            leadingItem.contentInsets = (top: , leading: , bottom: , trailing: ) leadingGroupSize = (widthDimension: .fractionalWidth( ), heightDimension: .fractionalHeight( )) leadingGroup = .vertical(layoutSize: leadingGroupSize, subitem: leadingItem, : ) trailingItem = (layoutSize: (widthDimension: .fractionalWidth( ), heightDimension: .fractionalHeight( )))
            trailingItem.contentInsets = (top: , leading: , bottom: , trailing: ) trailingGroupSize = (widthDimension: .fractionalWidth( ), heightDimension: .fractionalHeight( )) trailingGroup = .vertical(layoutSize: trailingGroupSize, subitem: trailingItem, : ) containerGroupSize = (widthDimension: .fractionalWidth( ),  heightDimension: .absolute( )) containerGroup = .horizontal(layoutSize: containerGroupSize, subitems: [leadingGroup, trailingGroup]) section = (group: containerGroup)
            section.orthogonalScrollingBehavior = .continuousGroupLeadingBoundary
            section.contentInsets = (top: , leading: , bottom: , trailing: ) section
        } layout
    }
} func createCustomLayout () UICollectionViewLayout let UICollectionViewCompositionalLayout Int NSCollectionLayoutEnvironment NSCollectionLayoutSection in let NSCollectionLayoutItem NSCollectionLayoutSize NSCollectionLayoutDimension 1.0 1.0 NSDirectionalEdgeInsets 5 5 5 5 let NSCollectionLayoutSize 0.7 1 let NSCollectionLayoutGroup count 1 let NSCollectionLayoutItem NSCollectionLayoutSize NSCollectionLayoutDimension 1.0 1.0 NSDirectionalEdgeInsets 5 5 5 5 let NSCollectionLayoutSize 0.3 1 let NSCollectionLayoutGroup count 2 let NSCollectionLayoutSize 1.0 250 let NSCollectionLayoutGroup let NSCollectionLayoutSection NSDirectionalEdgeInsets 20 0 20 0 return return We will be using UICollectionViewCompositionalLayout initializer that comes with a closure. The code inside the closure will return NSCollectionLayoutSection. This section will then create the UICollectionViewLayout which we will return outside the closure. We won't be using section and environment parameters in this tutorial, however we can use the environment parameter if the user rotates the device and now we want to change the number of columns shown when the device is in landscape orientation and so forth. Section parameter can be used if you want different number of columns or items in each section. Now we will start by creating the items. The leading item (left item) will be initialized like so: leadingItem = (layoutSize: (widthDimension: .fractionalWidth( ), heightDimension: .fractionalHeight( ))) let NSCollectionLayoutItem NSCollectionLayoutSize NSCollectionLayoutDimension 1.0 1.0 and represent how wide and high should the item be as compared to its parent container. For items, their parent container is group. Then we will create the . For that we need to create the group size. fractionalWidth fractionalHeight leadingGroup leadingGroupSize = (widthDimension: .fractionalWidth( ), heightDimension: .fractionalHeight( )) leadingGroup = .vertical(layoutSize: leadingGroupSize, subitem: leadingItem, : ) let NSCollectionLayoutSize 0.7 1 let NSCollectionLayoutGroup count 1 The group will be 70% of the parent container, which in this case will be the containerGroup. The height will be the height of the section. (we will set this in just a moment). Then we will create the group, and the group can have items stacked either horizontally or vertically. We give the initializer the group size, the item which will go in and the count. Count basically means how many items should go in this group. Setting this overrides item's dimensions (width or height depending upon horizontal or vertical axis). Since the count is 1, it will cover the entire dimensions of the group. Now let's create the trailing group and item. trailingItem = (layoutSize: (widthDimension: .fractionalWidth( ), heightDimension: .fractionalHeight( )))
trailingItem.contentInsets = (top: , leading: , bottom: , trailing: ) trailingGroupSize = (widthDimension: .fractionalWidth( ), heightDimension: .fractionalHeight( )) trailingGroup = .vertical(layoutSize: trailingGroupSize, subitem: trailingItem, : ) let NSCollectionLayoutItem NSCollectionLayoutSize NSCollectionLayoutDimension 1.0 1.0 NSDirectionalEdgeInsets 5 5 5 5 let NSCollectionLayoutSize 0.3 1 let NSCollectionLayoutGroup count 2 Similar to the , this item also takes 100% dimensions of the parent container. However,  the group size is 30% of the width and height is 100% of the section height. The trailingGroup however is initialized by giving the count parameter a value of 2. This overrides the item's height dimensions and divides the height by 2. leadingItem So now the leading group contains one item and the trailing group contains two items. We can have different number of items stacked vertically in either group just by changing the count parameter. Now let's create the , that will hold the entire sub groups. This is called . You can have unlimited nested groups inside your layout. So essentially we have a group, that contains two different groups, each group then contains items. containerGroup nested-groups This is the : containerGroup containerGroupSize = (widthDimension: .fractionalWidth( ),  heightDimension: .absolute( )) containerGroup = .horizontal(layoutSize: containerGroupSize, subitems: [leadingGroup, trailingGroup]) let NSCollectionLayoutSize 1.0 250 let NSCollectionLayoutGroup The has absolute height of 250 and the width of the collectionView. Then we are using the horizontal axis for the layout group and giving it the group size and an array of subitems, which are and . containerGroup leadingGroup trailingGroup Finally we create the section, and provide the section an orthogonalScrollingBehavior to get horizontal scrolling within each section. We get six different behaviors to choose from - I have selected , which always align the group's leading boundary whenever you scroll. continuousGroupLeadingBoundary Here is the app in action: Awesome, right? Compositional Layout is an extremely powerful Swift API, that allows us to avoid a ton of boilerplate code and write a complex collection view layout concisely and efficiently. To see this example in practice, check out this . Swift app template As you can see, with less than 15 lines of code, we were able to mimic the layout above. Historically, this has been an arduous task, but fortunately Apple came up with a better API at the latest WWDC. This finally brought this task to the same level of simplicity as the collections. React Native Give this code a try, and let us know what you build with it. You can read more about in the Apple's official docs. Compositional Layout

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Complex Collection View Layouts in Swift with Compositional Layout

This time I’m tackling , the third of the series. To solve this we will use ’s macros and unicorn emulation. Let’s jump right in! this beautiful crackme radare2 Some Introductory Analysis The crackme asks for a 4 digit password that the user needs to input one digit at the time. Similar to a PIN. Looking at main we can see the “check_code_int” function is called near the end of its largest block. A quick look at the “check_code_int” function reveals a chain of “if” blocks ending on checks between and , one for every digit. eax ebx The blocks are almost identical, they all do some calculation, then compare the value of against the expected value stored in . If the condition is met there's a jump to the next block, if not they return an error code. ebx eax Solution 1: Using radare2 macros In order to get the correct password, we can check for the value of to get each digit. Here are the commands to extract the code using radare2: eax at compare time db sym.check_code_int+0x00001289-0x00001265
db sym.check_code_int+0x000012b7-0x00001265
db sym.check_code_int+0x000012e2-0x00001265
db sym.check_code_int+0x0000130d-0x00001265 dc 1
1
1
1 !rm ./crack_code
(eax_replace, dr ebx=`dr eax` | tee -a crack_code, dc) .(eax_replace )@@=0 1 2 3 !cat ./crack_code # up relative breakpoints. one per cmp instruction set # execute program # input four digits (doesn 't matter which ones) # define a macro that replaces the value # of ebx with the content of eax and stores it into a file # use the macro # show the results Here is the beautiful macro in action Now we can go ahead and open the chest! Solution 2: Bruteforce powered by GEF and unicorn-engine Another way to solve this is to brute-force the password. Since there’s a reasonable amount of valid PINs (10000, to be specific) this wouldn't take too long. We can emulate the function that checks each digit testing every combination until we get the expected state at the end. This can be done with ease using the functionality for emulation that generates a unicorn python script we can then modify and adapt for our purposes. GEF emu -t 0x0000555555555328 -s -o emu.py # 1 - step through the code gdb in # 2 - reach the start of the check function # my the starts at 0x555555555269 in case function # and ends at 0x555555555328 # 3 - use the GEF emu : command The command above will generate an emulation template for us. We will need to modify it slightly in order to make the emulation run for each possible PIN code until it finds the correct answer. We can use python’s , to generate the pins and repeat the process until we get at the end of an emulation run. itertools rax=1 Here we can see the whole thing took around 7 minutes to complete. It’s not the most efficient method in the world but it gets the job done. There are certainly a lot of tweaks we could do to make it more performant if needed. You can get the full emulation script from and try it yourself. my Github Final thoughts Radare2 macros are awesome! We could go a step further and generate an r2script to automate the task using the macros we wrote earlier. Emulation is super useful for dealing with obfuscated code and doing brute-force. Unicorn-engine is a great tool and GEF command makes our lives a lot easier. Another alternative to emulation would be to try dynamic instrumentation. But I’ll leave that for a future post. Hope you enjoyed this one! Follow me on and for more content like this! Twitter Medium

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5 marketing methods that already bit the dust two years ago. While working on community management and content creation for blockchain startups launching their ICOs in 2017, I got a front-seat view of how the demand for ICO marketing went hand in hand with the bitcoin price charts. After the first quarter of 2018, everything went into a hibernation period that only appears to have ended a couple of months ago. Looking at current projects after this break, I can’t help thinking how a good deal of them get away with using the same marketing tactics as two years ago. ICOs have given way to STOs and IEOs, but browsing ICOBench seems to bring you back into the cozy crypto bubble. The feeling is very similar to looking at ads from the 90s or killing some time at awkwardfamilyphotos.com. A reminder of what it was like: visualising the power of the Internet during its hype stage from . There’s more wonderful imagery if you’re into that sort of thing. Imgur But the hype is now over; long gone are the times when you could create a project from scratch and start collecting funds within a month. The good news is, people are now free of their gold rush mania and have a better understanding of what it’s all about. Nobody’s trying to stuff their crypto wallets full of all kinds of coins in the fear of missing out. Instead, we now have an educated niche audience. The interest for “how to invest in cryptocurrency” from December 2017 to September 2019 on Google Trends : So, the short answer to how to promote your cryptocurrency project would be – like all other normal businesses promote their software. It’s time to grow up and get into developing long-term marketing strategies and building your online reputation. As the cryptocurrency market is changing pretty much every 3 months, all the marketing agencies that sprung up during the heady days of the crypto craze will not necessarily have an advantage based on their successful cases in the past. There’s more sense in working with people who can demonstrate that they have extensive experience in digital marketing for tech companies. Here’s the thing: in 2019 investors are not around every corner. If you analyse the traffic for cryptocurrency campaigns, it becomes obvious that some of the marketing efforts are failing to hit the spot. Here are the things that don’t seem to make sense anymore: 1. Creating accounts on 100500 social media networks and messengers Bitcointalk, Telegram, Facebook, Twitter, Linkedin, Instagram, WeChat, KakoTalk – all these icons are still occupying too much space in the footers of too many landing pages. The majority of social network users shouldn’t be considered investors just because they happen to use social media. Getting paid followers, comments and likes might’ve seemed ok for projects that would use any quick and dirty method to raise funds in a flash, but it might be difficult to impress someone with this kind of community now: Sadly, this is still happening. A randomly picked project among the ongoing Initial Exchange Offerings from icoholder.com. The site shows you a suspicious spike in engagement rates (on the left) and some of the comments to one of their posts on Facebook. Blockchain and cryptocurrency ads that were graciously unbanned by Facebook amidst the  news of their own coin launch would also look like dinosaurs in their previous incarnation. ‘Last chance to take part in ICO’ callout isn’t likely to make anyone hit the button and even less likely to result in them sending money. Looks like it’s time to put some effort into identifying your target audience and finding relevant groups and communities on social media and beyond. Doing AMA sessions on cryptocurrency exchanges is proving to be more useful than trying to turn random Instagram users into investors. 2. Bounty campaigns and airdrops In the good old days, you could ramp up your Telegram channel from 1 000 to 100 000 followers in a matter of one week by announcing a bounty campaign or doing an airdrop. But the interesting thing is – usually 99% of those people are not investors, although they are more than happy to participate in every signature campaign or retweeting task out there. Does it all really come down to growing a community of people who will never open your site to read what the project is about and flood your social media channels with ‘hodl’ and ‘to the moon’? Sounds weird if you actually have a useful product (or at least an MVP) with a clever token economy, can demonstrate how it works and onboard early adopters who are willing to talk about their experience. 3. Lists of cryptocurrency investor leads Surprise, there are no investors in those lists. You might easily find yourself a target of email spam just because you were careless enough to use words ‘trading’ or ‘exchange’ online. A healthy alternative to buying investor databases out of sheer desperation during the ongoing tokensale is building partnerships with successful projects and working with their community. 4. Press releases in every crypto media As large-scale like Google, Amazon and Facebook are starting to issue their own coins on blockchain, there is no way an out-of-nowhere startup can grab readers’ attention with the promise to save the world if people buy their tokens. International enterprises [Insert project name here], the revolutionary Innovative trading platform goes global to solve all your traditional and crypto problems! Source: Coinidol.com Instead, these platforms could focus on creating engaging content that answers user questions and addresses their needs. 5. Celebrity endorsements Previous campaigns with did a lot to discredit the idea. We don’t remember the platforms they were advertising; all we’re left with is a permanent facepalm. Paris Hilton and Steven Seagal When it comes to opinion leaders, there’s no shortage of YouTube crypto influencers out there. They are among the few people in the blockchain industry whose previous experience is still relevant, and they’re better equipped to persuade investors than film stars and athletes. Bonus point: Crypto imagery Connected dots are popping up on literally every other landing page. Can you think of any other industry that would overuse the same pattern at this scale? Google Images search result for cryptocurrency pattern

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This post is the third article in our Tactical Guide to a Shorter Cycle Time five-part series. Read the previous post here . Every hour that a Pull Request spends awaiting review represents waste–but also threatens to slow down several subsequent lines of work. An engineer who’s waiting on a code review will move onto the next Pull Request to feel productive until it too gets stuck in the queue. If this pattern continues, reviewers will be faced with a daunting stockpile of unreviewed Pull Requests, and each developer will be juggling three or four simultaneous lines of work. Code review will become a universally painful experience. A poor Time to First Review (the time it takes for a reviewer to pick up a review) can jeopardize the effectiveness of your entire code review process. Here’s what you can do to mitigate the first significant bottleneck in the software delivery pipeline. Benchmarking Success First, you’ll want to define what a “low” Time to First Review means, across the industry and in the context of your organization. In our analysis of over 19k contributors’ data we uncovered the following benchmarks for Time to First Review: - The top 25% of engineering organizations get Pull Requests reviewed in under 4 hours. - The industry median is about one day. - The bottom 25% take over a day and a half. You want to lower this metric as much as you can, without it coming at a cost to the focus and productivity of the reviewers. This delicate tradeoff means that you’ll want to understand the dynamics of your specific team before setting metrics-based goals. First, look at this metric for your organization and team-by-team. Once you know what’s “normal” for your organization, you can further investigate two kinds of outliers: - , who have found a way to create an effective process and juggle a difficult team dynamic. Their processes may be worth sharing with the rest of the organization. Teams with fast reviewers - , who are frequently blocked and struggling to get to code reviews quickly. Teams with inconsistent reviewers From here, dive into individual and team metrics to better understand precisely why your Time to First Review is high or inconsistent. Time to First Review Diagnostics Before diagnosing this particular phase of the software delivery process, make sure that it’s not a symptom of an earlier process. (Read our previous post about to better understand how inefficiencies during the first stage can have significant, negative downstream effects.) leveraging Time to Open If everything earlier in the PR process is streamlined, however, there are three data points you can look at to fully diagnose this slowdown. Pull Request Size Pull Request Size is a and usually indicates to inconsistencies with how your team manages Pull Request scope. byproduct of a high Time to Open For many teams, opening a Pull Request doesn’t indicate that the changeset is ready for review. Team members tend to continue making changes before the Pull Request gets into the hands of a reviewer. At this time, a Pull Request can grow, deterring reviewers from picking it up because either A) they aren’t sure if it’s ready, or B) because it has grown in complexity and is, therefore, more difficult to review. Velocity surfaces the oldest and most active open PRs, so your frontline managers can mitigate issues before they grow out of hand. Encourage managers to check in on individual Pull Requests that have been open for longer than a day (but not yet reviewed). If they find patterns among teams or individuals that indicate a lack of scope management, they’ll want to coach their teams on how to control the scope from the onset of the changeset, by, for instance, giving PRs titles that are discrete and specific. Review Workload Balance Look at Review Involvement (i.e., the percent of reviews that reviewers participate in) across the team to understand how the burden of code review is distributed. If the same few people are handling all the reviews, work will start piling up, creating a lasting bottleneck. Velocity shows how involved each team member is on code reviews, next to the outcomes of those reviews. Poor distribution may represent a difference of enthusiasm about code review. Some team members may be more keen to pick up reviews, while others consistently prioritize their own coding. This issue can be solved with automated code review assignments or a re-emphasis on code review across the team. Poor distribution of code reviews can also represent a lack of confidence. The proper response will vary from team to team, but you’ll want to make sure there’s clarity around the expectations of a code review and training on how new team members can ramp up and start participating more deeply in the team-wide collaborative processes. Review Speed Unlike Time to First Review, which is used to understand team collaboration patterns, Review Speed is an individual metric, indicating how long each person takes to leave a review. Review Speed helps you understand how well your team is prioritizing code review Velocity can show you how any metric is trending as your team scales or changes. A high or inconsistent Review Speed can point to cultural or technical blockers. A cultural blocker can only be uncovered through conversations with specific team members and managers. If you find that a team or a team member is not prioritizing code review, work with them to reprioritize, along with their other responsibilities. Encourage team members to optimize for this metric until Cycle Time decreases and Pull Request authors are quickly unblocked. A technical barrier at this stage usually indicates that there may be a lack of tooling. Team members, while working in their individual environment, don’t have the signals or alerting systems that inform them of Pull Requests ready for review. Start Code Reviews on the Right Foot Code Review is one of the most difficult processes to get right on a software development team. A different balance between thoroughness and speed exists on most teams– yet few have a solid idea of what their code review objectives should be. Adding an endless queue of unreviewed Pull Requests to this equation makes the entire process unduly more difficult. If Time to Review is a problem, a small reprioritization or retooling may be necessary– but the effects will be well worth it. To learn where your team should focus next, look out for the upcoming articles in our Tactical Guide to a Shorter Cycle Time five-part series: - Part I: The Virtuous Circle of Software Delivery - Part II: The Single Greatest Lever in Shortening Cycle Time - Part III: How to Stop Code Review from Bottlenecking Shipping - Part IV: Empowering Effective yet Efficient Code Reviews - Part V: Moving Toward a Ship-Now Culture

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How to Prevent Code Reviews from Becoming Bottlenecks to Shipping Out

Spotify is a music app, Adobe provides apps for creatives to draw and design, Fortnite is a game. These three products are completely different when it comes to what service they provide. But they all have same revenue model: a  subscription model. To be precise: The Freemium Subscription Model. In a subscription model, the consumer uses a product or service by paying a fixed monthly or yearly cost. The Freemium model offers the consumer a subset of features for free without any payment. Freemium model has a structural benefit for both the participating sides. App provider can get insights from the potential paying customer, while the customer can use the product without committing to pay for it. The term freemium was first coined by Jarid Lukin at the suggestion of Fred Wilson in 2006. Since then, it turned out to be an effective way to acquire customers for subscription business. There are many reasons why freemium model works. But its effectiveness comes from the psychological effect it creates. This psychological effect is called Reciprocation. What is Reciprocation Effect? If a person receives a gift or a favor from another person, he or she feels indebted to the person. The feeling of indebtedness makes them more likely to repay the favor at a future instance. The effect is simple and ubiquitous. The following phrases represent how this effect ingrains in everyday lives: Treat others as you want to be treated Give something to get something Always pay your debts back Reciprocation effect is much deeply ingrained into the human psyche than often realized. We often develop Judgmental heuristics (mental shortcuts) to navigate our everyday life without thinking. These heuristics increase the speed and efficiency of our decision-making process. Reciprocation effect is one such shortcut. It defines and develops from social interactions we face, norms we follow and moral code we adhere to. For example, in almost all cultures it is frowned upon if one does not return a favor/gift that he/she received. Trade outside extended families is unique to humans. no other species trades outside their extended families. Reciprocation helped initiate this phenomenon. It created a trust between families that would have otherwise never traded. The first move for this trading phenomenon was a mere gesture rather than a transaction. Trust that came out of reciprocation resulted in a catalytic trade that changed the route of sapien life. Example of Reciprocation Effect in Action used to ask for donations in public places with a lot of foot traffic. Their strategy included giving a red rose to the passing “potential donor” before requesting for donation. The hare Krishna society The rose in this context acted as a gift to the perspective donor. It induces a feeling of indebtedness making him/her more likely to donate. This strategy worked for the society and the donations skyrocketed. Reciprocation In Action In the case of the freemium model, the consumer starts to use the product for free. There is no commitment to the premium subscription. The free usage of the product is a gift that the potential customer receives. It creates a feeling of indebtedness in the consumer mind to return the favor. The feeling of indebtedness makes the customer more likely to become a paid member. The effect increases the likelihood for the consumer to commit. It doesn’t guarantee it. There are many other reasons why the freemium model works. But this effect indicates the underlying psychological reaction it can generate. And often does generate. Reciprocation is not the first judgemental heuristic used in business models and marketing. It won’t be the last. But being aware of the intentions behind the freemium model will promote decision making based on self-awareness rather than external persuasion. 😃 You can connect with me on Twitter! @natarajsindam 👇 You can find more stories from me below. https://hackernoon.com/predictions-2019-and-beyond-vu2nu3z8b https://hackernoon.com/the-obvious-flaw-in-recommendation-systems-oa26e3zoa

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The Freemium Model's Reciprocation Effect

It is always worth remembering that good ideas are contagious. Other minds have wrestled with problems similar to yours before and effective solutions tend to bubble up and can be re-applied to new initiatives in ways that can often appear obvious in hindsight. Or at least that was the feeling I had when reading a recent article on the benefits of DevOps. There seems to be little argument that DevOps adoption leads to; Less complexity Faster delivery of features Faster resolution of problems Happier and more engaged team members Improved communication and collaboration As it happens, these are exactly the same outcomes we have been striving for in our efforts to disrupt project management. So, does it then follow that if we apply DevOps principles to project management, we might see similar benefits? The short answer, I believe, is “Yes”. To give context, in recent months, I’ve been speaking to dozens of engineering and project leaders about their approach to managing projects and in particular monitoring project status. The consistent message I hear is that this is a pain point and a key source of stress, excess effort and miscommunication. There is a shortcoming with exiting solutions. Currently, we capture a lot of information, but it is trapped in different systems and despite the considerable effort expended it is still hard for the extended team to see how things are actually going and react accordingly. 

In short, the information is neither easily available nor actionable. This results in a string of avoidable problems up to and including missed, or degraded, deliveries. All of which results in unnecessary stress that is caustic to team health. For some reason, in today’s agile world of continuous integration and delivery, we still batch project level issues and treat them in an inconsistent “waterfall” manner often after the problems have had a chance to escalate. What we are missing is a simple, common signal that indicates project status and team health that can be updated more or less continuously, and is clearly visible.  So the team itself can make small frequent adjustments to adapt to problems as they are encountered. Project stakeholders would have better visibility and be able to lend support more effectively and other teams can both see what’s happening and share their own signal to highlight dependencies and enable better cross-team collaboration. In short, we need to apply DevOps principles to project status reporting, and this is exactly the approach we’ve taken at Genchi. To get started we needed to greatly simply project status reporting and find a common framework applicable to different teams with diverse goals and composition.  

Reducing the problem down, at a fundamental level every team has two aspects we’re really interested in; The team’s goal. Their likelihood of achieving that goal

. We can use these aspects as a common framework. Once a goal is defined we believe the best way of establishing the likelihood of success is to simply ask the team. This might feel like an over simplification, but leveraging the wisdom of crowds makes even a simple signal from a diverse group surprisingly insightful. At we capture the team’s sentiment through an automated, 2-click pulse check (which takes ~2 seconds on Slack). By combining the unique insights of each individual we get a confidence score for the whole team.  This is a really useful signal, which reflects the team’s collective best guess of achieving their goal at that point in time. Genchi Like a standup, we recommend checking in daily to keep this signal current and to create a feedback loop so small incremental changes can be made to adapt as the team’s confidence changes when obstacles are encountered, or milestones are reached.

Also as teams don’t operate in isolation Genchi makes it really easy to visualize and share this information with other teams, helping to highlight dependencies and increase communication and collaboration. We believe this is a new approach that emphasizes simplicity and leverages automation and transparency to create a continuous feedback loop that will remove a lot of unnecessary friction and stress from the system improving team health and leading to better project outcomes. Seems obvious in hindsight, right? Check out a free trial at . Genchi.com

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