Aleksei Aleinikov

Ever renamed a property in your code only to have bugs pop up after deployment? I found a battle-tested trick to catch these mistakes at compile-time with zero runtime cost. Introducing validatePath — a clever helper that forces your compiler to verify property names exist in your objects, even nested ones. Say goodbye to typo-driven bugs and hello to safer, cleaner code. Curious how it works?...

Concurrency is a power tool — and in Go, it’s one of the cleanest, fastest ways to scale. But how do you use it right in 2025? In this deep-dive, I’ll walk you through 7 proven patterns to make your Go programs faster and safer: Future / Promise Generator Pipeline Fan-out & Fan-in Semaphore Worker Pool Robust error aggregation Each pattern comes with fresh, clean examples and concise...

I’m a Senior Cloud & DevOps Engineer with 11+ years of building high-performance, fault-tolerant systems - and a Tech Writer helping companies share their expertise with a global audience. My edge: Deep tech expertise in Cloud, DevOps, and Software Engineering (Python, Go, JS/TS, React, Next.js, GCP, AWS, Azure) ☁️ Proven writing impact - hundreds of published articles reaching millions of...

Did you know you can turn any PNG into a secret vault without changing how it looks? In my latest piece, I explain how to embed passwords, files, or geo-coordinates directly into an image — using the least-significant bits of each pixel. 📌 Examples inside: Travel passwords inside your phone wallpaper MP3 hidden in a viral meme Encrypted coordinates inside a family photo 🎯 Simple enough to code...