Posts
38 posts
Rust mmap Memory-Mapped I/O: Why Reading Files Can Be as Fast as Accessing Memory
A plain-English guide to Rust mmap memory-mapped I/O. Why is it 5-10x faster than traditional Rust file reading? How does zero-copy achieve Rust performance optimization? This memmap2 hands-on tutorial uses real-life analogies to help you understand this seemingly mysterious low-level technology.
Pop!_OS 24.04 is Here: The World's First Rust-Built Desktop Environment
System76 releases Pop!_OS 24.04 and COSMIC desktop environment - the first production-grade desktop environment written entirely in Rust, challenging 20 years of GTK/Qt dominance. In-depth review: performance, customization, and tiling window management
Codex Skills Tips: Transform Your AI Coding Assistant into a Pro
Learn how to configure and use OpenAI Codex Skills to transform your AI coding assistant from a generalist into a domain expert.
Snapdom: A New Engine for Web Screenshots, Say Goodbye to Lag
Snapdom gained 2000+ stars in two months - how does it use SVG magic to make web screenshots lightning fast? Say goodbye to html2canvas lag and experience the modern web screenshot solution
I Told Old Zhang His Rust Service Might Be 10x Slower - He Almost Spit Coffee in My Face
Rust service suddenly 10x slower? The problem might be hiding in Serde macros. This article walks through a real story to help you identify and fix performance issues caused by Serde serialization.
Superpowers 101: How This Thing Made My AI Coding Assistant Finally 'Get It'
A beginner’s guide to Superpowers: Whether you use Claude Code, Codex, or OpenCode, this AI coding skill pack transforms your assistant from ‘chaotic mess’ to ‘methodical pro’. Includes OpenSpec and Spec-Kit comparison.
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.