As software developers, we're always learning new things; it's practically the whole gig! If we can learn to quickly pick up new languages/frameworks/tools, we'll become so much more effective at our job. It's sort of a superpower.
DevSamples is a list of code samples for you to copy and paste into your projects as needed. The primary focus is on web development, but there are samples from a variety of languages.
List of free stuff for developer by developer to use. This is a collective list of useful services for developer you can use for your next MVP or prototpying your idea.
This article offers five methods for learning Unix tools, including using help and man pages, searching online, reading articles and wikis, using tldr cheatsheets, and delving into the philosophy behind the commands.