·6 min read
Playwright E2E Testing: 4 Rules for Zero Flaky Tests
Stop using sleep(5000). Master Playwright auto-waiting, isolated parallel browser contexts, and trace viewers for bulletproof CI/CD test automation.
Technical Writings
In-depth systems architecture, distributed database benchmarks, and production engineering postmortems.
Top Topics
328Showing 291–300 of 310 articles
·8 min read
How I Built My Portfolio with Next.js, Contentlayer, and Git Submodules
Architecture breakdown of locionic.com: Next.js App Router, Contentlayer type-safe MDX, RSC payload optimization, and automated internal link meshes.
·10 min read
How I Set Up CI/CD with GitHub Actions
A practical walkthrough of setting up GitHub Actions workflows for a typical web project - running tests, caching dependencies, deploying to Vercel, handling secrets, and avoiding the common mistakes that make CI slow or unreliable.
·5 min read
Using Google Search Console: What Actually Moves the Needle for a Dev Blog
How I use Google Search Console to find content gaps, fix technical SEO issues, and decide what to write next, with concrete examples from this blog.
·8 min read
Unit Tests in JavaScript: Practical Patterns That Actually Prevent Production Bugs
Pragmatic guide to writing resilient JavaScript unit tests: the AAA pattern, test fixtures, property-based testing with fast-check, and boundary mocking.
·7 min read
Introduction to Test-Driven Development (TDD)
I resisted TDD for years. Then a broken refactor convinced me. Here's what the Red-Green-Refactor cycle actually looks like in practice, and why writing tests first changes more than just your test coverage.
·14 min read
Next.js performance Tips: From Good to Lighthouse-Perfect
A practical deep-dive into Next.js performance optimization - from Image and font handling to caching, streaming, and advanced bundle analysis techniques that move the needle on Core Web Vitals.
·6 min read
REST API vs GraphQL - Which Should You Use?
I've shipped production APIs with both REST and GraphQL. Neither is universally better - the right choice comes down to who's consuming your data and how complex the relationships are. Here's where each one actually wins.
·5 min read
Top 5 VS Code Extensions for Developers in 2026
These 5 VS Code extensions will make you a more productive developer in 2026. From AI assistance to Git tools, here are the extensions I use every day.
·6 min read
How to Get the Correct Y Position of an Element in ChatGPT UI (2026 Guide)
Stop struggling with window.scrollY returning 0! Learn the secret to finding the real scroll container and calculating accurate coordinates in SPAs instantly.
Showing 291-300 of 310 posts