Programming Languages
6 posts
Xiao Li Rewrote Go Monolith to Rust Axum, Company Saved $800K+ Yearly, His Salary Hit $2M
This isn’t a story about flexing how fast Rust is. It’s about how tech choices translate to real money, and why most rewrite projects can’t replicate this result.
10x Performance Boost Secret: 99% Don't Know These Go Concurrent GC Tricks
Production latency dropped from 500ms to 50ms! Deep dive into Go’s tri-color marking algorithm, write barriers, and GOGC tuning. Say goodbye to lag forever.
Rust Lifetimes Scare Away 90% of Programmers? One Library Analogy Gets You There in Seconds
Compiler errors got you running? Relax. Rust lifetimes aren’t scary monsters—they’re invisible guardians ensuring your code never crashes. This 5-minute guide beats the official docs.
Python Finally Got Fast: JIT Compiler Makes Code Performance Take Off
Python 3.15 introduces a native JIT compiler that delivers 20% performance improvements without changing a single line of code. Here’s how to enable this experimental feature.
I Fired My Entire Node.js Stack — Rust Rebuilt It in 3 Weeks (The Ugly Truth)
API latency dropped from 850ms to 8ms, monthly costs from $12,000 to $900. Sounds great? The price was three months of hell and a team on the verge of collapse. This is a real backend migration story.
I Thought Rust Was Over-Engineering—Until I Saw the Production Logs
A 2 AM production incident made me rethink Rust. From 8 crashes per hour to zero crashes—this isn’t about language wars, it’s about trust.