Posts tagged with #Testing
- Claude Code: Part 11 - Troubleshooting and Recovery
August 9, 2025
Master Claude Code troubleshooting with systematic approaches to common issues: installation problems, CLAUDE.md conflicts, performance optimization, custom commands, MCP servers, hooks, and emergency recovery procedures.
- Claude Code: Part 10 - Common Issues and Quick Fixes
August 8, 2025
Solve the most common Claude Code problems: context overflow, conflicting rules, token optimization, and broken custom commands. Quick troubleshooting for experienced users.
- Claude Code: Part 9 - Complete Development Workflows
August 7, 2025
Learn how to combine all Claude Code features into complete development workflows. From feature planning to deployment, see how CLAUDE.md, slash commands, MCP servers, subagents, IDE integration, and hooks work together for seamless development.
- Claude Code: Part 8 - Hooks for Automated Quality Checks
August 6, 2025
Stop manually running the same quality checks after every Claude Code change. Learn how to use hooks to automatically run tests, linting, type checking, and custom validation whenever Claude modifies your code.
- Claude Code: Part 7 - IDE Integration with VS Code and JetBrains
August 5, 2025
Eliminate context switching between your IDE and Claude Code. Learn how to use VS Code and JetBrains integration features to share context automatically and maintain development flow.
- Claude Code: Part 6 - Subagents and Task Delegation
August 4, 2025
Learn how to delegate complex, multi-step analysis and implementation tasks to autonomous subagents. Let specialized AI agents handle comprehensive codebase analysis, feature planning, and systematic problem-solving while you focus on high-level decisions.
- Claude Code: Part 5 - MCP Servers and Tool Integration
August 3, 2025
Stop switching between Claude Code, GitHub, Sentry, and other development tools. Learn how MCP (Model Context Protocol) servers create seamless workflows by connecting all your tools directly within Claude Code.
- Claude Code: Part 4 - Slash Commands and Custom Commands
August 2, 2025
Stop repeating the same instructions every day. Learn to use built-in slash commands and create custom commands that automate your most common Claude Code workflows and development tasks.
- Claude Code: Part 3 - Conversation Management and Context
August 1, 2025
Move beyond basic Claude Code usage to advanced features like conversation management, multi-step workflows, context optimization, and preview mode. Transform from casual user to power user.
- Claude Code: Part 2 - CLAUDE.md Configuration Files
July 31, 2025
Learn how to use CLAUDE.md files to guide Claude Code's behavior, set project rules, and create consistent development patterns. Includes memory hierarchy, multi-AI tool sharing, and team collaboration strategies.
- Claude Code: Part 1 - Getting Started and Installation
July 30, 2025
Meet Claude Code, your brilliant but overeager AI teammate. Learn how to set up and start working with Claude Code for software development, from installation to your first productive coding session.
- Understand the Acronym Spaghetti: Part 5 - Advanced Principles
July 20, 2025
Master the final set of programming principles: Law of Demeter, Composition over Inheritance, Tell Don't Ask, Convention over Configuration, and Principle of Least Astonishment. Advanced patterns for React and Node.js developers.
- Understand the Acronym Spaghetti: Part 4 - CQRS and Hexagonal Architecture
July 20, 2025
Apply CQRS and Hexagonal Architecture in React and Node.js. Learn when to separate queries from commands and how to structure frontend applications for maintainability.
- Understand the Acronym Spaghetti: Part 3 - SOLID Principles
July 20, 2025
Master the SOLID principles for clean architecture in React and Node.js. Learn Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion with practical examples.
- Understand the Acronym Spaghetti: Part 2 - The Quality Principles
July 19, 2025
Level up your code quality with principles like Pure Functions, Immutability, and Principle of Least Surprise. The second part of our programming principles series.
- Understand the Acronym Spaghetti: From WTF to SOLID Code
July 18, 2025
A developer's guide to programming principles and acronyms that matter - from core concepts like DRY and KISS to architectural patterns like SOLID. Stop drowning in alphabet soup and start writing better code.
- Building a CLI to Automate Etsy Listings with AI and Fetch Hacks
July 13, 2025
I built an AI-powered CLI to help my girlfriend publish 80+ handmade tattoo artworks on Etsy, skipping the forms, API delays, and automation traps.
- Building photoroom-cli with Claude Code: From API to NPM in 3 Days
July 10, 2025
How I built photoroom-cli using Claude Code as my pair programmer. Lessons about AI-assisted development, balancing speed with quality, and the art of guided coding.
- At-Least-Once vs. Exactly-Once - Understanding Message Delivery Guarantees
June 12, 2025
Learn about message delivery guarantees in distributed systems. Understand why most production systems implement at-least-once delivery with idempotency rather than attempting exactly-once delivery.
- How Idempotency Saves Your API from Chaos
June 11, 2025
Learn how to implement idempotency in your APIs to prevent duplicate actions and ensure data consistency. Includes practical examples with Supabase and Node.js.
- Vibe Coding ‑ Notes from the First Try
June 6, 2025
Quick lessons from spinning up a new blog with an AI pair‑programmer and Cursor.
- 20 Years in Front-End – Lessons on Simplicity and Accessibility
June 1, 2025
Timeless lessons from two decades building for the web – why simplicity, accessibility, and good UX still matter most.
- The Meta-Framework Showdown – Angular, React, Vue in the New Era
March 1, 2025
A comparison of Angular, React, and Vue in 2025, exploring how each evolved and what they offer today.
- Next-Gen Build Tools – Turbopacks and Beyond
January 1, 2025
A look at Turbopack and the future of JavaScript build tooling in 2025.
- Reflecting on Front-End Trends – What a Decade!
November 1, 2024
A retrospective on 10 years of front-end evolution, from jQuery dominance to AI-assisted coding.
- WebGPU – Graphics Programming in the Browser
September 1, 2024
A first look at WebGPU and how it opens new doors for high-performance graphics and computation in web applications.
- AI-Assisted Development – One Year with GitHub Copilot
June 1, 2024
Reflections on one year of using GitHub Copilot, its benefits, limitations, and practical tips for front-end developers.
- The Rise of Signals – Solid, Qwik, and React’s New RFC
April 1, 2024
A look into how signals are changing state management in modern frameworks like Solid, Qwik, and even React.
- Is React Still King? – State of JS/React 2023 Insights
February 1, 2024
React remains dominant, but new frameworks and patterns are gaining attention. What should you focus on next?
- Low-Code and No-Code – Threat or Boon for Developers?
November 1, 2023
A balanced take on the rise of no-code/low-code tools and what they mean for front-end developers.
- Modern CSS – Container Queries and :has() in Action
October 1, 2023
A look at how container queries and the :has() selector open new doors for responsive and contextual styling in CSS.
- SolidJS and Signals – A Different Reactivity
June 1, 2023
Exploring SolidJS's fine-grained reactivity model and how it differs from virtual DOM frameworks.
- Bun 1.0 – Testing a Turbo-Fast JS Runtime
April 1, 2023
Exploring Bun 1.0 – a fast JavaScript runtime, bundler, and test runner built in Zig.
- Bringing AI to the Front-End – Integrating GPT APIs
March 1, 2023
A tutorial on integrating GPT APIs into front-end applications with a simple chatbot example.
- React Server Components and the New Next.js App Router
January 1, 2023
A deep dive into React Server Components and the App Router introduced in Next.js 13, showing how to structure and optimize React apps for performance and scalability.
- Monorepos and PNPM – Managing Multiple Apps Efficiently
November 1, 2022
Learn how to set up a front-end monorepo using PNPM workspaces to manage multiple apps and shared packages efficiently.
- Qwik – The Quest for Instant-Load Web Apps
September 1, 2022
Exploring Qwik's resumability model and how it challenges traditional hydration to deliver near-instant web app interactions.
- What's New in React 18 – Concurrent Features
July 1, 2022
A practical guide to React 18’s new concurrent features like automatic batching, startTransition, and Suspense improvements.
- Astro and Island Architecture – Faster Websites by Doing Less
May 5, 2022
Learn how Astro and island architecture help build faster websites by reducing JavaScript.
- Goodbye, Webpack? Hello, Vite!
March 10, 2022
A deep dive into Vite, the fast and modern alternative to Webpack for frontend development.
- End of an Era – Internet Explorer Bows Out
February 10, 2022
Marking the official retirement of Internet Explorer and what it means for developers.
- Headless CMS – Building a Blog with Contentful
October 15, 2021
Learn how to use a headless CMS to build a blog by integrating Contentful with a modern front-end.
- Mastering CSS Grid + Flexbox Combo
September 20, 2021
Learn how to combine CSS Grid and Flexbox for powerful, responsive layouts with practical patterns.
- Core Web Vitals – Optimizing for Google’s UX Metrics
July 10, 2021
Learn how to improve user experience and SEO by focusing on Google's Core Web Vitals LCP, FID, and CLS.
- Svelte & SvelteKit – Exploring a Different UI Paradigm
June 10, 2021
A walkthrough of building a project with SvelteKit, highlighting its simplicity and performance through compile-time optimizations.
- Deno vs Node – A Secure Runtime Showdown
April 15, 2021
A hands-on comparison between Deno and Node.js showing how common tasks differ, their tooling, and the trade-offs.
- Next.js for Production – Hybrid Rendering and Incremental Static Regeneration
March 15, 2021
Exploring how Next.js combines SSR, SSG, and ISR for high-performance production apps.
- Tailwind CSS – Utility-First CSS in Action
January 10, 2021
How Tailwind CSS changed the way we style components with utility-first classes.
- Web Accessibility Checklist – Building Inclusive Web Apps
December 12, 2020
A practical accessibility guide covering key areas like semantic HTML, ARIA roles, keyboard navigation, and testing tools.
- Working from Home as a Developer – Tips and Tools
October 5, 2020
Practical advice for developers adjusting to remote work – setup, tools, and staying productive.
- Deno 1.0 – First Impressions of Node’s New Rival
August 10, 2020
Exploring Deno 1.0, a new JavaScript and TypeScript runtime with modern features and strong security.
- Next.js for Beginners – Static and Server Rendering
June 5, 2020
A beginner guide to Next.js with examples of static generation and server-side rendering using getStaticProps.
- Svelte 3 – A Radical New Approach to UI
April 10, 2020
An introduction to Svelte 3 and how it compiles UI components at build time for performance and simplicity.
- Design Systems 2.0 – Atomic Design in Practice
March 12, 2020
Applying Atomic Design principles to build scalable and consistent design systems using reusable components.
- Micro-Frontends – Scaling Your Front-End Architecture
January 10, 2020
Learn what micro-frontends are, why they matter, and how to apply them to large-scale applications.
- Going Serverless Part 2 – Building a REST API with No Servers
November 10, 2019
A tutorial on using serverless functions to build a simple REST API without managing backend infrastructure.
- Building a Component Library – Our Design System Journey
September 15, 2019
How we created a shared UI library to improve consistency, speed up development, and collaborate better with design.
- Adopting TypeScript – Tips from Our Transition
August 22, 2019
Lessons learned while migrating a JavaScript project to TypeScript, with practical tips for a smoother transition.
- WebAssembly in Practice – Speeding Up Image Processing
June 20, 2019
A practical demo using WebAssembly to handle CPU-heavy image tasks faster than JavaScript.
- The JAMstack Revolution – Building with Hugo and Headless CMS
April 15, 2019
A walkthrough of building a fast static site using Hugo and content pulled from a headless CMS via API, using the JAMstack model.
- Using React Hooks – A New Way to Write Components
February 12, 2019
How to use React Hooks like useState and useEffect to write simpler functional components instead of class-based ones.
- Going Serverless – Front-End Meets AWS Lambda
November 12, 2018
Learn how to use AWS Lambda to handle backend logic without setting up a full server, perfect for simple tasks from your frontend app.
- Building a Design System – How We Standardized Our UI
September 18, 2018
A guide on how we created a shared component library to improve consistency, reuse, and communication across our frontend team.
- Moving from REST to GraphQL – A Case Study
August 20, 2018
A practical look at replacing REST with GraphQL in a real frontend project using Apollo Client and query-based data fetching.
- WebAssembly 101 – High-Performance Web Apps
June 12, 2018
A beginner-friendly overview of WebAssembly and how it enables fast, low-level code to run in the browser alongside JavaScript.
- JAMstack in Action – Building a Static Site with Gatsby
April 10, 2018
Learn how to build a fast, secure static site using Gatsby and the JAMstack approach.
- TypeScript for JavaScript Developers – Getting Started
February 14, 2018
Add static types to JavaScript for safer, maintainable code and better tooling.
- GraphQL Basics – Querying APIs the Modern Way
November 15, 2017
Learn how GraphQL lets clients ask for just the data they need and avoid over‑fetching common with REST.
- Async/Await – Simplifying Asynchronous JavaScript
October 10, 2017
Refactor promise chains into clean async functions with try/catch error handling.
- Embracing Mobile‑First Design
September 18, 2017
Start layouts on small screens, then enhance upward for speed, usability, and Google’s mobile‑first index.
- Inside React 16 (Fiber) – What’s Changing?
July 20, 2017
High‑level look at React’s new Fiber engine, error boundaries, and other practical improvements.
- Layouts Reinvented – CSS Grid Tutorial
April 12, 2017
Build responsive, two‑dimensional layouts with the new CSS Grid module.
- Vue.js for Beginners – Building Your First Component
March 15, 2017
Create a simple to‑do list in Vue 2 and learn its template syntax and reactivity model.
- Progressive Web Apps – Installable & Offline Web Experiences
January 12, 2017
Make a site work offline, show an install prompt, and feel like a native app.
- Going Mobile with React Native (Basics)
November 20, 2016
Use familiar React skills to build your first native mobile app.
- From Gulp to Webpack – Evolving Build Tools
October 15, 2016
Move from code‑driven task runners to config‑driven bundling with Webpack, plus a task‑by‑task cheat sheet.
- Introduction to Vue.js 2.0
September 30, 2016
First look at Vue 2 a lightweight, flexible alternative to heavier frameworks.
- State Management with Redux – Managing App State Made Easier
June 15, 2016
Learn Redux core ideas and wire it into a small React app.
- Dealing with JavaScript Fatigue
April 15, 2016
Strategies to stay productive when new frameworks and tools appear every month.
- TypeScript and Angular 2 – A New Era of Front‑End
February 10, 2016
TypeScript becomes the language of choice for Angular 2, bringing static typing and better tooling to the framework.
- Goodbye IE, Hello Edge – What the End of Internet Explorer Means
November 10, 2015
Microsoft moves from Internet Explorer to the new Edge browser, easing life for web developers.
- Babel 6 – First Look at the New Transpiler
November 2, 2015
Babel 6 just landed. See what changed and how to upgrade.
- Flexible Layouts Made Easy with CSS Flexbox
October 10, 2015
Learn core Flexbox properties and build navbars, columns, and centered elements without floats.
- Flexible Layouts Made Easy with CSS Flexbox
October 10, 2015
Build responsive navbars, columns, and centered blocks with the Flexbox module.
- Module Bundling 101 with Webpack
August 18, 2015
Learn why bundling matters and set up Webpack 1 for a small ES6 app with hot‑reload.
- Writing Future‑Proof Code with Babel
June 12, 2015
Use Babel to compile ES6+ JavaScript into browser‑friendly ES5.
- Building UIs with React.js – A Beginner’s Tutorial
March 20, 2015
Learn the core ideas of React 0.13 and build a small interactive UI.
- Exploring ECMAScript 2015 (ES6) Features
January 15, 2015
Deep dive into every ES6 feature with concise examples.