Java: Multiple class declarations in one file
A guide to understanding Java’s class declaration rules, explaining why only one public class is allowed per file and how to properly structure multiple classes using inner classes.
Programming
Fetching data from a CSV file using PHP
A comprehensive guide to working with CSV files in PHP, covering file operations, data parsing, header handling, and performance optimization techniques.
Ignoring SSl certificate when debugging in Android WebView
A guide to managing SSL certificate errors in Android WebView during development, explaining how to safely bypass certificate validation while maintaining security in production.
Validating an email address with PHP
A guide to implementing robust email validation in PHP, covering input sanitization, proper validation techniques, and special considerations for international email addresses.