The HackerNoon Newsletter: Why Gemini 3.0 is a Great Builder But Still Needs a Human in the Loop (12/5/2025)

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🪐 What’s happening in tech today, December 5, 2025?

The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Christopher Columbus Became the First European to Set Foot on Hispaniola in 1492, and we present you with these top quality stories. From Why Gemini 3.0 is a Great Builder But Still Needs a Human in the Loop to No Need to Mock All the Time: A Better Way to Test API Resilience in Your Terminal, let’s dive right in.

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programming

How to Build Resilient APIs With Resilience4j Circuit Breaker in Spring Boot

TL;DR Learn how to make your microservice calls resilient using the Circuit Breaker pattern with Resilience4j and Spring Boot

By @kshitish [ 6 Min read ]

Learn how to make your microservice calls resilient using the Circuit Breaker pattern with Resilience4j and Spring Boot — complete demo, step-by-step commands, class-by-class explanations, sample outputs, real-world use cases, and production tips.

This reduces downtime, protects thread pools, keeps user experience reasonable, and prevents retry storms.

End point..

cloud

No Need to Mock All the Time: A Better Way to Test API Resilience in Your Terminal

TL;DR Writing a full mock server just to test a simple retry logic in a script is often overkill. In this tutorial, Ill show you a faster way.

By @aragossa [ 2 Min read ]

"It works on my machine."

We've all said it. But does your bash script work when the third-party API takes 15 seconds to respond? Does your backend service gracefully handle a sudden spike of 503 errors from a payment provider?

Prefer watching? Here is the 90-second workflow:

https://www.youtube.com/watch?v=x_S-guPwPEk&embedable=true..

machine-learning

Why Gemini 3.0 is a Great Builder But Still Needs a Human in the Loop

TL;DR Here is the post-mortem on what worked, what failed, and the critical difference between generating code and refactoring systems.

By @knightbat2040 [ 4 Min read ]

I spent a few weeks building a Neuro-Symbolic Manufacturing Engine. I proved that AI can design drones that obey physics. I also proved that asking AI to pivot that code to robotics is a one-way ticket to a circular drain.

I am officially shelving the Quadruped branch...