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DEVELOPER NEWS STREAM

Direct logs, engine updates, and framework notifications parsed from curated RSS feeds and announcements, updated hourly.

What 200 Concurrent Users Taught Me About SQLite Performance
sqlite2026-04-28
Eugene YakhnenkoEugene Yakhnenko

What 200 Concurrent Users Taught Me About SQLite Performance

I was about to release Autentico 2.0. The feature work was done, tests were passing, docs were...

Scrapy 🕷️, but in Go: Building High-Performance Scrapers without the Boilerplate
webscraping2026-04-15
GoscrapyGoscrapy

Scrapy 🕷️, but in Go: Building High-Performance Scrapers without the Boilerplate

Hi everyone 👋 Web scraping can start out pretty basic. You just loop through some pages, grab the...

A pagination bug that returned zero rows, and the saturating add that fixes it
go2026-05-19
Charlie TonneslanCharlie Tonneslan

A pagination bug that returned zero rows, and the saturating add that fixes it

A live Cosmos RPC endpoint returned zero results for a query that obviously had rows. The cause was a uint64 overflow in the pagination loop. The fix is one of those tiny patterns that's easy to forget when you're working with user-supplied numbers.

Building an AI-Powered Finance Tracker with GoLang, Telegram Bot & Claude
go2026-05-19
MD Aidid AlamMD Aidid Alam

Building an AI-Powered Finance Tracker with GoLang, Telegram Bot & Claude

I wanted to practice Go regularly by building real projects, so I decided to solve a problem I...

Go I/O Optimization: goroutine-per-connection, netpoller & the Reader/Writer Interface
computerscience2026-05-19
James LeeJames Lee

Go I/O Optimization: goroutine-per-connection, netpoller & the Reader/Writer Interface

Go's I/O model is deceptively simple from the outside: you write blocking-style code, and the runtime...

Versioned Schema Contracts in a Go CLI: How obs.v0.1 Prevents Silent Breaks
go2026-05-19
Bala ParanjBala Paranj

Versioned Schema Contracts in a Go CLI: How obs.v0.1 Prevents Silent Breaks

How embedding schema versions in every data file — observations, controls, output, baselines —...

Go Compiler & defer: Bootstrap, Three defer Implementations, panic/recover & Closures
architecture2026-05-19
James LeeJames Lee

Go Compiler & defer: Bootstrap, Three defer Implementations, panic/recover & Closures

Go's compiler is written entirely in Go — a self-hosting compiler that handles everything from...

Goroutine Scheduling: GMP Model, Schedule Loop, Preemption & Stack Management
architecture2026-05-19
James LeeJames Lee

Goroutine Scheduling: GMP Model, Schedule Loop, Preemption & Stack Management

The Go scheduler is one of the most sophisticated pieces of the runtime. It manages thousands of...

Go System Calls & Blocking: syscall Wrapping, Async vs Sync & GMP Separation
architecture2026-05-19
James LeeJames Lee

Go System Calls & Blocking: syscall Wrapping, Async vs Sync & GMP Separation

Every program eventually needs to talk to the kernel. In Go, that conversation is carefully managed...

Go Garbage Collection: Tri-Color Mark & Sweep, Write Barriers & STW Optimization
algorithms2026-05-19
James LeeJames Lee

Go Garbage Collection: Tri-Color Mark & Sweep, Write Barriers & STW Optimization

Garbage collection is one of Go's most misunderstood subsystems. It's often blamed for latency...

Go Heap Memory Allocation: tcmalloc, Mutator/Allocator & Multi-Level Cache
architecture2026-05-19
James LeeJames Lee

Go Heap Memory Allocation: tcmalloc, Mutator/Allocator & Multi-Level Cache

When your Go program creates a struct or a slice, where does that memory actually come from? The...

Go Performance Optimization: pprof, Flame Graphs & Hotspot Profiling
go2026-05-19
James LeeJames Lee

Go Performance Optimization: pprof, Flame Graphs & Hotspot Profiling

Performance optimization in Go isn't guesswork — it's a systematic process backed by data. In this...

Comparing Traffic Data APIs: Road511 vs HERE vs TomTom vs INRIX
api2026-05-19
Roman KotenkoRoman Kotenko

Comparing Traffic Data APIs: Road511 vs HERE vs TomTom vs INRIX

If you’re building an app that needs traffic data, you have a few options. The big names — HERE,...

Visual Regression Testing for CLIs with VHS
go2026-05-18
Bala ParanjBala Paranj

Visual Regression Testing for CLIs with VHS

How to use Charm's VHS to create GIF-based visual regression tests for your CLI's terminal output —...

What I learned building an AI agent loop in Go
ai2026-05-17
Lucas Neves PereiraLucas Neves Pereira

What I learned building an AI agent loop in Go

Hello there! A few months ago I built nevinho, a personal AI agent I run on my own machine. Bash,...

I built a Laravel PDF package because I was tired of debugging screenshots from ghosts
laravel2026-05-18
David GarayDavid Garay

I built a Laravel PDF package because I was tired of debugging screenshots from ghosts

Every HTML-to-PDF system eventually hits the same wall. Chrome captures too early. Not because...