HTML/CSS/JS
Form Validation: HTML5 vs JavaScript
Forms are the gateway to user data, and validating that data is crucial. You have two layers: client-side validation (for UX) and server-side validation (f…
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HTML/CSS/JS
Web Development
Building REST APIs with Spring Boot: A Practical Guide
Building a REST API used to involve a lot of XML configuration in the old J2EE days. Spring Boot changed all that with auto-configuration. I can now spin u…
Text Processing
Regular Expressions in Python for Text Processing
Regular expressions (regex) are a powerful tool for pattern matching in text. Python's re module provides full regex support. With regex, you can search fo…
GitHub
GitHub Sponsors: Turning Open Source into a Side Hustle
I maintain a small open-source library that I use for my own projects. It was just a hobby. Then a user opened an issue and asked if I had a GitHub Sponsor…
How to Use Claude
How Claude Reads and Analyzes Code: A Developer's View
Beyond writing code, Claude is remarkably capable at understanding and analyzing existing codebases. For developers working in complex systems, this analys…
How Claude Works
Claude's Approach to Honesty: Why It Matters for Users
One of the most distinctive things about Claude is its consistent emphasis on honesty — not just avoiding lies, but actively trying to give users accurat…
DevOps
Feature Flags: Safe Continuous Deployment
Feature flags (also called feature toggles) separate deployment from release, enabling continuous delivery with reduced risk. Instead of merging code then…