Today I Learned (TIL)

This public repository contains small snippets of data and a constant stream of information that we learn every day at Primal Skill.

Organized alphabetically.

_Stream

Misc. tutorials, blog posts, YouTube videos, etc. worth reading and saving for later. Organized by year and week.

2024

2024 Week 1 2024 Week 2 2024 Week 3 2024 Week 4 2024 Week 5 2024 Week 6 2024 Week 7 2024 Week 8 2024 Week 9 2024 Week 10

2024 Week 11 2024 Week 12 2024 Week 13 2024 Week 14 2024 Week 15 2024 Week 16 2024 Week 17 2024 Week 19 2024 Week 20 2024 Week 21

2024 Week 22 2024 Week 23 2024 Week 24 2024 Week 25 2024 Week 26 2024 Week 27

Archives

• 2023

---

CSS

Resources

• Modern CSS Solutions
• A more modern CSS reset

Snippets

• Aspect Ratio
• Clamp Values
• :has() Selector
• HEX Colors With Opacity
• Flexbox Alignment Trick
• RGB Values as CSS Variables
• Scroll Snap to Elements
• System Fonts
• Transition with display none

Docker

Snippets

• Cleanup
• Open Terminal in Container
• Rebuild Compose Service Image
• View Running Containers

Flutter

Resources

• Flutter Roadmap - GitHub repo

Git

Snippets

• Delete Merged Branches
• Hard Reset a Single File
• Revert Last Commit Pushed on Wrong Branch
• Revert To Commit ID on HEAD
• Show Merged Branches

General

Snippets

• Logging and as a blog post expanded and more detailed

Go

Books

• Concurrency in Go by Katherine Cox-Buday
• Go with the Domain by Robert Laszczak & Miłosz Smółka
• Go 101

Blogs

• Alex Edwards
• Ardan Labs Blog
• Bitfield Consulting Blog
• Boldly Go
• Dave Cheney
• Eli Bendersky's Blog
• Three Dots Labs
• willem.dev

Resources

• Gotchas in Go
• Go Wiki
• Learn Go with Tests - Free Course
• Todd McLeod - Learn to Code - YouTube

Snippets

• Context as First Argument in Functions
• Compile for a Target OS and architecture
• Dependency Injection
• Database NULL Value Types
• Errors as the Last Variable Returned
• Generate Random Numbers
• Generics
• Update packages

JavaScript

Resources

• You Don't Know JS Yet 2nd Edition - Milestone learning resource (free)
• Functional-Light JavaScript
• No-Sweat™ Eslint and Prettier Setup

Snippets

• Alternative Copy-Paste Shortcut
• Generate Random Strings Natively
• Generate UUIDs Natively
• Resolve All Promises Regardless of Status

Linux

Snippets

• Available Disk Space
• Check Systemd Services Statuses
• Copy environment when switching user
• Directory Structure
• Edit Systemd Units
• Journalctl Show One Unit
• Lookup DNS
• Lookup Server IP
• Output Current Shell
• Permissions Explained
• Replace String in a File
• Secure Copy Files
• Symlinks
• System Info

macOS

Snippets

• Replace String in a File
• Show Hidden Dot Files and Directories

PostgreSQL

Resources

• Choosing a Postgres Primary Key
• Database Indexing Strategies Part 1 and Part 2
• Vectors Are The New JSON in PostgreSQL

Snippets

• Backup & Restore in CLI
• Count Performance
• Enable Logging
• Escape Single Quotes
• Find the Owner of a Table
• Upgrade

React

Resources

• Learn React Hooks - YouTube playlist

Snippets

• Setting a New Value with useState

SSL

Snippets

• Create Self-Signed Development Certificates

VSCode

Snippets

• Shortcuts

---

For the ❤️ of open source.