Blog
Thoughts on software development, web technologies, React, JavaScript, CSS, and everything in between.
Articles
202617
Six Rules That Help You Write Clean Code
Separation of concerns, documentation, DRY, KISS, TDD, and YAGNI, and how I actually apply each one so the next person can read the code without a map.
General · 7 min read
API Idempotency: Why the Retry Button Charged Them Twice
A network timeout does not tell you whether the request succeeded. Idempotency keys let a client retry safely, so the same operation applied twice has the effect of applying it once.
General · 5 min read
Reading Query Plans: EXPLAIN ANALYZE Without the Guesswork
Your query is slow and you are guessing at indexes. EXPLAIN ANALYZE tells you exactly where the time went. How to read the plan, spot the four common problems, and fix them.
General · 5 min read
Rebase, Fast-Forward, and Merge: What Git Actually Does
Merge commits, fast-forwards, and rebases are three answers to one question: where should your commits go? Learn what each does to history and when to reach for it.
General · 5 min read
SEO for Developers: Crawling, Indexing, and Content That Ranks
Search engines crawl, render, index, then rank, and a page can fail at any step. A developer-first guide to getting indexed, plus the content decisions that actually move rankings.
General · 6 min read
Git Worktrees: Work on Multiple Branches at Once
Git worktrees let you check out several branches at once in separate folders. Skip the stash dance, review PRs, and run parallel work without losing your place.
General · 4 min read
Coupling Isn't Bad, Bad Coupling Is
Coupling is unavoidable in software. The danger is coupling done wrong, like giant form files and sprawling config objects that quietly destroy maintainability.
General · 5 min read
Declarative vs Imperative Programming
Understand the difference between declarative and imperative programming in JavaScript, with practical examples and when to reach for each style.
JavaScript · 3 min read
Event Delegation in JavaScript
Learn how event delegation works in JavaScript, why it relies on event bubbling, and how a single listener can handle hundreds of elements efficiently.
JavaScript · 3 min read
Embrace Good Enough: Stop Waiting for Perfect
Learn why perfection paralyzes and how accepting "good enough" accelerates growth, ships results, and improves your work.
General · 4 min read
CSRF Attacks: How Hackers Can Hijack Your Users Accounts
Learn how CSRF attacks work and discover proven defense strategies including tokens, SameSite cookies, and request validation to protect your application.
General · 3 min read
XSS Attacks: How Malicious Code Hijacks Web Applications
Learn how XSS attacks inject malicious scripts and discover proven defenses including input validation, output encoding, and Content Security Policy.
General · 4 min read
Duplication Is Far Cheaper Than the Wrong Abstraction
Why premature abstractions cost more than duplicated code, and how to know when it is the right time to abstract.
General · 5 min read
Deep Call Chains vs Orchestrator Pattern
Learn why deep call chains create tightly coupled code and how the orchestrator pattern makes your functions independent, testable, and easier to trace.
JavaScript · 4 min read
Understanding env() Safe Area Insets in CSS
Learn how to use CSS env() function and safe area insets to create layouts that work perfectly on devices with notches, rounded corners, and dynamic toolbars.
CSS · 10 min read
Minesweeper Algorithms Explained
Deep dive into the algorithms behind Minesweeper - grid generation, mine placement, neighbor counting, flood fill reveal, and game state management.
General · 2 min read
Sudoku Algorithms Explained
Deep dive into Sudoku algorithms - puzzle generation, backtracking solver, constraint validation, and candidate calculation.
General · 2 min read
20257
Understanding TypeScript Generics
Generics are TypeScript's way of creating reusable components that work with multiple types rather than a single type.
General · 5 min read
The Mental Model of SQL: Understanding Database Queries
Master SQL with a clear mental model. Learn how SQL queries work, understand JOINs, subqueries, and performance optimization through practical examples and visual explanations.
General · 6 min read
JavaScript Weird Parts: Understanding the Quirks
Explore the strange and unexpected behaviors in JavaScript. Learn about equality quirks, type coercion magic, object coercion, and the Abstract Equality Comparison Algorithm with practical examples.
JavaScript · 4 min read
CSS Selectors: A Comprehensive Guide
Master CSS selectors - the patterns used to match and style HTML elements. Learn basic selectors, combinators, pseudo-classes, pseudo-elements, and advanced selector techniques with practical examples.
CSS · 5 min read
Understanding React Server Components
Learn everything about React Server Components (RSC) - how they work, their benefits, practical examples, and when to use them in your Next.js applications. Complete guide with code examples.
React · 5 min read
Atomic Design Principles
Complete guide to Atomic Design methodology for building scalable design systems. Learn about atoms, molecules, organisms, templates, and pages with React examples and best practices.
React · 3 min read
Understanding React Fundamentals
Complete guide to React fundamentals including components, state management, props, hooks, and Virtual DOM. Learn React basics with practical examples and best practices for modern web development.
React · 3 min read
202412
Scope in JavaScript
Master JavaScript scope concepts including global, function, and block scope. Learn about variable accessibility, hoisting, and the differences between var, let, and const with practical examples.
JavaScript · 2 min read
Understanding SameSite Cookies
Master SameSite cookies for enhanced web security. Learn about Strict, Lax, and None attributes, CSRF protection, and browser cookie restrictions with practical examples and best practices.
General · 3 min read
Auto-fit vs Auto-fill in CSS Grid
Master CSS Grid responsive layouts with auto-fit and auto-fill. Learn the key differences, when to use each, and create responsive designs without media queries using practical examples.
CSS · 2 min read
How to Improve Web Accessibility
Complete guide to web accessibility best practices. Learn semantic HTML, ARIA roles, heading hierarchy, accessible forms, and inclusive design techniques to create websites usable by everyone.
General · 5 min read
Understanding How The Browser's Pixel Pipeline Works
Master browser rendering performance with the pixel pipeline. Learn about JavaScript, Style calculations, Layout, Paint, and Composite stages to eliminate jank and optimize web performance.
General · 3 min read
What is Cross-Origin Resource Sharing (CORS)?
Master CORS (Cross-Origin Resource Sharing) - understand browser security, preflight requests, credentials, and how to configure CORS properly. Complete guide with practical examples and troubleshooting.
General · 2 min read
How I Use Zod with Wordle Unlimited
Learn practical Zod validation techniques through Wordle Unlimited. Discover runtime type safety, localStorage validation, error handling, and schema design for game development and data validation.
General · 2 min read
Understanding Event Loop in JavaScript
Complete guide to JavaScript event loop - how single-threaded JavaScript handles asynchronous operations. Learn about call stack, callback queue, web APIs, and microtasks vs macrotasks with practical examples.
JavaScript · 3 min read
Deep Dive Into TypeScript Utility Types
Master TypeScript utility types including Partial, Required, Pick, Omit, Record, and advanced types. Learn type manipulation, practical examples, and best practices for type-safe development.
General · 3 min read
Understanding HTTP Headers
Complete guide to HTTP headers - learn about request and response headers, authentication, caching, CORS, and security headers. Master web communication with practical examples and best practices.
General · 5 min read
Type Coercion in JavaScript
Understanding type coercion in JavaScript - the automatic conversion of values from one data type to another. Learn implicit vs explicit coercion with practical examples and best practices.
JavaScript · 2 min read
Data Validation with Zod
Master TypeScript-first data validation with Zod. Learn schema validation, type inference, error handling, form validation, and advanced Zod techniques with practical examples and best practices.
General · 9 min read
20232
How Browsers Work
Comprehensive guide to browser internals - DNS resolution, HTTP exchange, HTML parsing, DOM construction, CSSOM, render tree, layout, painting, and compositing. Understand browser performance optimization.
General · 6 min read
Introducing CSS Clip-Path Generator
Discover the CSS clip-path generator tool for creating custom shapes and visually appealing designs. Learn about clip-path property, shape creation, and practical web design applications.
CSS · 3 min read