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Thoughts, ideas, and code snippets from the void.

Understanding HMAC Internals Through Webhook Verification in Go

Understanding HMAC Internals Through Webhook Verification in Go

5/20/202629 Reads

Exploring how webhook verification works in Go and breaking down the internals of HMAC signatures using only the standard library.

LinkedIn is spamming to your device

LinkedIn is spamming to your device

5/11/202668 Reads

LinkedIn is doing AED brute-force scanning

Become GOD of your system :)

Become GOD of your system :)

5/1/2026256 Reads

Learn how Linux’s sudo works—from root privileges and setuid to secure, audited command execution. This step-by-step guide explains user UIDs, sudoers configuration, timestamp caching, fork‑exec flow, and logging best practices.

Done is better than perfect (ft. Gitalink)

4/8/2026166 Reads

This project took 1.5 years and a lot of messy learning.

Write tests before actual function

1/26/2026415 Reads

Why should you write tests before the actual function?