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Why Go for a Video API When DailyWatch needed an API that could handle thousands of concurrent requests with minimal latency, Go was a natu
If you’ve built more than one backend, you’ve seen this before. You start a new idea. Then you spend days setting up the same things again: Auth R
In product demos, you often see names like John Doe, Jane Smith, Test User, and random emails like test@example.com. That works fine for smoke tests.
Six months ago, Stack Overflow processed 108,563 questions in a single month. By December 2025, that number had fallen to 3,862. A 78% collapse in two
We built Relay because we believed a WebSocket server written in Go would handle real-world connection loads more efficiently than one running in PHP.
The Problem When debugging Android apps on macOS, Logcat outputs thousands of lines per second. Finding the actual error in that wall of text is exhau
If you’ve ever wondered why tools like Docker, Kubernetes, Terraform, and Cloudflare rely on Go… this is your answer. This is not just another progra
When I started building Dynoxide - a DynamoDB-compatible engine in Rust - I kept running into the same problem. I'd implement an operation, write test
Introduction In part 1, we introduced our sample application. In part 2, we measured the performance (cold and warm start times) of the Lam
I spent years building applications with Postgres. It works. But every time I modeled a domain with aggregates and events, I felt like I was fighting
Introduction: The Flate2 Transition The flate2 library, a cornerstone of compression and decompression in the Rust ecosystem, is on the cus
Almost every modern web application will need a REST API for a client to talk to, and in almost every scenario, that client is going to expect JSON. T
Introduction Static type checking in Python isn’t just a nicety—it’s a necessity for large-scale projects. As Python’s dynamic nature all
I Built an Open-Source Tool That Generates JUnit Tests Automatically The Problem As a Java developer, I noticed something frus
The Bug That Passed Lint I was building a menu component. The trigger had aria-haspopup="menu". The content panel had role="dialog". Every
Learn how to use Codex CLI to add features to Python projects via the terminal. Master AI-powered coding without needing a browser or IDE plugins.
Every data pipeline makes a fundamental choice before any code is written: does it process data in chunks on a schedule, or does it process data conti
There are no OS threads in the browser — so how does Rust's parallel processing library Rayon actually work? Here's a summary. 🤔 Why Do We Ne
If you've bought a laptop in the last few years, there's a good chance it's running an ARM processor. Apple's M-series chips put ARM on the map for de
Publiqué una nueva guía en TuCodigoCotidiano sobre un tema que me parece cada vez más importante: cómo medir una web sin convertir la analítica en ras