Generating a SHA256 HMAC Hash
Part 2) Download Large Files with Progress Reports
Check If a File Exists Before Using It
Apply Middleware to Your Route Handlers
Convert Interface to Type: Type Assertion
Create a Basic HTTPS Server (using TLS)
Sending a Slack Message (without a library)
https://golangcode.com/send-slack-messages-without-a-library/
Creating & Writing to Temp Files
How to Check If a String Starts With ...
Build a Basic Web Scraper in Go