Tag: Web Development

8 posts

Sep 16, 2026 14 min read Intermediate

ES2024 JavaScript Features: Object.groupBy, Promise.withResolvers, Resizable ArrayBuffer and the RegExp v Flag

What ES2024 really added: Object.groupBy and Map.groupBy, Promise.withResolvers, resizable ArrayBuffer and transfer, well-formed strings and the RegExp v flag.
Sep 16, 2026 34 min read Intermediate

Python asyncio in Practice: Event Loops, Async Context Managers, Concurrency Limits and Debugging

Use Python asyncio correctly: how the event loop runs coroutines, capping concurrency with Semaphore, async context managers, and when threads fit better.
Sep 16, 2026 30 min read Intermediate

Finding and Fixing Slow React Renders: memo, useMemo, useCallback, Code Splitting and Profiling

Measure React re-renders with DevTools and the Profiler API, then fix them with React.memo, useMemo, useCallback, virtualization and code splitting.
Sep 16, 2026 38 min read Intermediate

Web Accessibility in Practice: Semantic HTML First, ARIA Done Right, Focus Management and Contrast

Practical web accessibility: semantic HTML first, when ARIA helps and when it hurts, focus management that actually works, verified contrast values, and what automated tests can and cannot catch.
Aug 21, 2026 10 min read Beginner

Parcel 2 Without the Hype: Zero-Config Trade-offs, package.json Targets and Common Errors

What Parcel 2 configures for you and what it skips: source and targets in package.json, env var inlining, .parcel-cache issues, and when to pick Vite.
Jun 30, 2026 20 min read Intermediate

Flask Basics | Get Started with the Python Web Framework

Start with Flask: routes, Jinja2 templates, forms, JSON APIs, sessions, SQLAlchemy and Blueprints, then deploy with Gunicorn and Docker and compare with FastAPI.
Jun 30, 2026 26 min read Intermediate

Django from Scratch: Models, Migrations, Views, URLs, Templates and the Admin

Learn Django from scratch: project layout, models, migrations, function and class-based views, URLs, templates, and the admin site—with runnable examples.
Jun 25, 2026 12 min read Beginner

HTML and CSS Basics: How the Browser Builds the DOM, Applies the Cascade and Lays Out Your First Page

Learn HTML and CSS by how browsers actually work: DOM parsing, semantic elements, the cascade and specificity, box-sizing, margin collapse and the viewport tag.