Web Development
How to Implement Server-Sent Events for Real-Time Web Updates
Server-Sent Events are the simplest path to one-way real-time updates over plain HTTP. This guide covers the protocol, the code, and the production gotchas.
Web Development
Custom websites, web applications, and frontend/backend development
Web Development
How to Build a File Upload System That Handles Large Files and Resumes After Network Failures
Most file upload code works on the demo and breaks the first time a real user tries to upload a 4GB video over a hotel WiFi connection. Here is how to build one that actually holds up.
Web Development
How to Design Onboarding Flows That Reduce Drop-Off Without Annoying Users
Onboarding is where most products lose their newly acquired users. This guide walks through the design patterns that reduce drop-off without forcing users through tedious tutorials.
Web Development
Regex Code Snippets: Patterns for Common Validation and Parsing Problems
Regex snippets for common validation and parsing problems, with notes on why each pattern works and the edge cases that quietly break them.
Web Development
How to Add Dark Mode to a Web Application
Dark mode is no longer optional -- users expect it and operating systems surface it as a default. Here is how to implement it cleanly using CSS custom properties, system preference detection, and a user-controlled toggle that persists across sessions.
Web Development
How to Build a Search-as-You-Type Feature With Debounce and Relevance Scoring
Building search-as-you-type means solving debounce, stale request cancellation, and relevance scoring together. Here is the complete implementation approach.
Web Development
Python Error Handling: Code Snippets for Try-Except Patterns and Edge Cases
Practical Python error handling code snippets: try-except patterns, exception chaining, custom exceptions, and production logging.
Web Development
How to Build a Feature Flag System for Your Web App
A minimal feature flag system gives you safe rollouts and instant rollback without paying for a SaaS platform. Here is how to build one.
Web Development
How to Use Visual Hierarchy to Guide User Attention in Web Design
Visual hierarchy is the invisible architecture of a web page. It determines where users look first, what they process next, and what gets ignored entirely.