Blog
Short, practical notes on everyday developer tasks.
October 17, 2026 · 4 min read
chmod 755 vs 644: Linux File Permissions Explained Simply
What the three digits mean, why folders need 755 and files 644, a quick reference for common modes, and why 777 is almost always the wrong fix.
Read the article →
October 16, 2026 · 5 min read
JSON to CSV Without Breaking Excel: 5 Rules That Matter
Quoting, nested objects, missing keys, delimiters and Excel's surprises. A short guide to exporting JSON as CSV that opens cleanly, with real output.
Read the article →