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- Developers
How to Convert Number Bases: Binary, Octal, Decimal, and Hex
Learn how to convert numbers between binary, octal, decimal, and hex by hand, with a full worked example (202) and a real chmod 755 case.
July 11, 2026 - Developers
What Is a Unix Timestamp? A Complete Guide With Examples
A Unix timestamp counts seconds since January 1, 1970 UTC. Learn how it works, how to spot seconds vs. milliseconds, and how to convert it.
July 11, 2026