GoLang Archives

Programming tutorial - IT technology blog

Mastering Singleflight in Go: Stop Cache Stampedes and Protect Your Upstream Services

October 17, 2026

When hot cache keys expire during traffic spikes, databases can buckle under thousands of identical queries. Discover how Go's singleflight package deduplicates concurrent requests to protect your infrastructure with minimal overhead.

Programming

Building a WebAssembly Plugin System in Go with Extism: Safe Sandboxed Polyglot Execution

October 14, 2026

Learn how to build an isolated, polyglot plugin system for Go services using Extism and WebAssembly. Run untrusted third-party code with tight memory limits, host functions, and zero native dependency friction.

Programming

Optimizing Go Performance with sync.Pool and Zero-Allocation Techniques

October 12, 2026

Learn how to diagnose garbage collection latency in high-throughput Go services and eliminate allocations. This guide covers sync.Pool memory recycling, escape analysis, and practical benchmarks to stabilize p99 response times.

Programming

Fuzz Testing in Go: Catch Hidden Panics and Edge Cases with go test -fuzz

October 9, 2026

Learn how to use Go's native fuzzing engine (go test -fuzz) to automatically catch runtime panics, index bounds errors, and edge-case crashes before releasing to production.

Programming

High-Performance Image Processing in Go: Why libvips Beats the Standard Library

September 13, 2026

Learn how to replace memory-heavy image libraries with bimg and libvips in Go. This guide provides a practical worker pool implementation and tips for reducing RAM usage by 90%.

Scaling AI: Why Go and Firebase Genkit Outperform Python in Production

September 12, 2026

Move beyond Python bottlenecks. Discover how Go and Firebase Genkit provide a faster, more reliable foundation for production AI features like Tool Calling and RAG.

Programming

Mastering Golang Memory Profiling: A Practical Guide with pprof

September 3, 2026

Master Golang memory profiling using pprof to identify leaks and optimize performance. Learn how to use heap profiles, flame graphs, and practical coding patterns to keep your Go applications lean.

Programming

Stop OOM Crashes: Mastering Go 1.23 Iterators and Range-over-func

August 21, 2026

Go 1.23 introduces range-over-func, a powerful feature that prevents OOM errors by streaming data. Learn how to implement iter.Seq to handle millions of records with constant memory overhead.

Database

PocketBase Tutorial: Build a Real-Time Database and Backend with a Single Executable File

August 19, 2026

PocketBase bundles a SQLite database, REST API, authentication, file storage, and real-time subscriptions into a single executable file. This tutorial walks you through getting it running in minutes, building collections, handling auth, and deploying to production.

Programming

Beyond Println: Building Professional Go CLIs with Bubble Tea

August 12, 2026

Ditch the static text walls. Learn how to use Bubble Tea and The Elm Architecture to build interactive, stateful, and testable CLI applications in Go.