Preventing and Debugging Memory Leaks in React
Memory leaks in React can cause sluggish performance and excessive memory usage. Here, I explore common causes, how to prevent them, and debugging techniques.
Articles
Guides, page 6 of 20
The guides are the practical part of this archive: working explanations for a specific web development problem, written to show the decision as well as the answer. The subject varies, but the aim is consistent: enough context to use the technique sensibly rather than copy it blindly.
Preventing and Debugging Memory Leaks in React. 
Creating Custom Vue Directives for Enhanced Functionality. Creating Custom Vue Directives for Enhanced Functionality
How to create custom Vue directives for DOM‑level behaviour, without reaching for them when a component, prop, or composable would do better in real interfaces.
Breadth‑First Search: Solving Binary Tree Level Order Traversal. Breadth‑First Search: Solving Binary Tree Level Order Traversal
Solve Binary Tree Level Order Traversal with breadth‑first search in TypeScript, using a queue, level sizing, edge cases, and cleaner iteration.
Prefix Sums and Hash Maps: Solving 'Subarray Sum Equals K'. Prefix Sums and Hash Maps: Solving 'Subarray Sum Equals K'
Solve Subarray Sum Equals K with prefix sums and a hash map in TypeScript, including negative numbers, count storage, and why sliding window fails.
Container Queries in CSS. Container Queries in CSS
CSS container queries allow elements to respond to their parent's size rather than the viewport. I explain how they work and how they improve responsive design.
Building a Headless CMS‑Powered Site with Next.js. Building a Headless CMS‑Powered Site with Next.js
Build a headless CMS‑powered Next.js site with content modelling, fetch layers, mapped front‑end data, preview support, and scalable rendering choices.
Sorting Complex Arrays in JavaScript. Sorting Complex Arrays in JavaScript
Sorting complex arrays in JavaScript requires custom comparison functions. Here, I explore techniques for sorting numbers, objects, nested properties, and more.
Understanding the Backtracking Approach: Solving the 'Word Search' Problem. Understanding the Backtracking Approach: Solving the 'Word Search' Problem
Solve Word Search with backtracking in JavaScript, covering recursive path exploration, visited state, pruning, restoration, and grid trade‑offs.
CSS aspect‑ratio for Responsive Layouts. CSS
aspect‑ratiofor Responsive LayoutsThe CSS `aspect‑ratio` property makes it easier to maintain consistent proportions in responsive layouts. Here, I explore how it works and when to use it.
Fast and Slow Pointers: Solving the 'Linked List Cycle' Problem. Fast and Slow Pointers: Solving the 'Linked List Cycle' Problem
Solve Linked List Cycle with fast and slow pointers in TypeScript, comparing visited‑node storage with Floyd's cycle detection and common mistakes.
Building Multi‑Tenant Applications with Next.js. Building Multi‑Tenant Applications with Next.js
Multi‑tenant applications serve multiple customers from a single codebase. Here, I walk through building a scalable multi‑tenant web application using Next.js.
Single Number in TypeScript with Bit Manipulation. Single Number in TypeScript with Bit Manipulation
Solve Single Number in TypeScript with XOR bit manipulation, comparing hash maps, constant extra space, duplicate cancellation, and why the trick works.
Building a Custom Vue 3 Composable Using the Composition API. Building a Custom Vue 3 Composable Using the Composition API
Build a reusable Vue 3 composable with the Composition API, covering side effects, useOutsideClick, browser boundaries, typing, lifecycle handling, and testing.
Grid Traversal: Solving the 'Number of Islands' Problem. Grid Traversal: Solving the 'Number of Islands' Problem
How to solve Number of Islands with grid traversal, treating the matrix like a graph, marking visited land safely, and reasoning about DFS in TypeScript.
Vue's provide/inject API: When and How to Use It. Vue's
provide/injectAPI: When and How to Use ItWhen Vue provide/inject is the right tool, how to keep it reactive, and where it fits better than props or a full store in larger component trees.
Understanding the Difference Between <b> and <strong>. Understanding the Difference Between
<b>and<strong>The `<b>` and `<strong>` tags both make text bold, but they serve very different purposes and convey different meaning. Here, I explain these differences.
Optimising Vue.js Performance with Lazy Loading and Code Splitting. Optimising Vue.js Performance with Lazy Loading and Code Splitting
Optimise Vue.js performance with lazy loading and code splitting, covering route‑level chunks, async components, bundle strategy, measurement, and UX.
Sliding Window Fundamentals: Solving 'Longest Substring Without Repeating Characters'. Sliding Window Fundamentals: Solving 'Longest Substring Without Repeating Characters'
How to solve Longest Substring Without Repeating Characters with sliding window basics, comparing Set and last‑seen‑index approaches in TypeScript.