Today I Learned

Usage

gem install mdtoc rake
# Update Markdown table of contents and push changes to the git repository
rake

Table of contents

• 3D Printing
  • Communities
  • Documentation and guides
  • Hardware
  • Supplies
  • Software
  • Stores
    • Filament
• Android
  • ADB
    • Apps
• Ansible
  • Debugging
  • Ansible Galaxy
• Apache
  • Describe virtualhost configuration
• bash
  • Books
  • Command combination operator
  • Here Documents
  • Run on exit (trap)
• Chrome
  • Developer Tools
    • Troubleshooting
• Cryptography
  • Change homedir encryption password
  • Encrypt storage device
  • Generate CSR
• Docker
  • List containers by image name
  • Print volumes
  • Remove all volumes
• Electronics
  • Documentation and guides
  • Supplies
  • Tools
  • Stores
    • PCB fabrication
• Firefox
  • Misc. about:config settings
  • Credit card autofill / autocomplete
  • Right-click bug with BSPWM
  • Add-ons (browser extensions) in Firefox Nightly on Android
  • Bypass HSTS HTTPS/TLS certificate error
• Git
  • Initialize a repo
  • Show commit log with branches and tags
  • Create a patch
  • Create a symbolic branch link
  • Fetch changes from origin/master without checking out master
  • Clean-up local branches
  • Prune tracking branches
  • List merged branches on origin
  • See commit history for the last two commits, including the diff
  • Squash all but first commit
  • Pull a --force pushed branch
  • Change origin URL
  • Project-specific configuration
  • Convert a mercurial repo to git
  • Ignore/unignore changes to a file
  • Delete tag
  • Undo commits
  • Get default branch name
  • Set default branch
  • Github
    • Collapsable section markdown
    • Search
    • Tips
• Gnome
  • gnome-screensaver settings
    • Screensaver lockscreen background
  • GTK
  • OSD
  • Printing
• Go
  • Books
  • Vendor
• Hardware
  • Hardware info
  • Firmware
  • System stability
  • Webcam
  • Make USB audio device the default
  • Pulseaudio: set default headphone output
  • Pulseaudio / ALSA: save pavucontrol configuration
  • Fan control
  • Configure an HP printer
• iTerm2
  • Copy / Paste
  • Unlimited scrollback buffer
  • Avoid accidentally closing iterm2
• JavaScript
  • Books
  • Articles
  • Install NVM on Linux
  • Install NVM on macOS
  • Getting started
  • React
    • Accessibility
    • Performance
  • Storybook
  • TypeScript
• JetBrains IDEs
  • Colors
  • Fixes and Customisations
  • Avoid error when editing files on Nix filesystems
  • External Tools
  • Shortcuts
• JSON
  • Formatting
• Keyboards
  • Communities
  • Documentation and guides
  • Keyboards
  • Supplies
  • Tools
  • Software
  • Stores
• Kubernetes
  • Minikube
• Leadership
  • Books
  • Articles and guides
  • Courses
  • Newsletters
  • Metrics and analytics
• macOS
  • Initial setup
  • Keyboard Shortcuts
  • Customizations
    • Reduce menu (top bar) transparency
    • Dock
    • Disable "Click wallpaper to reveal desktop"
    • Disable command+h (hide window)
  • KVM
    • Fix flakiness
  • Troubleshooting
    • Increase maxfiles
    • Bypass macOS app installation restrictions
    • Fix OpenSSL errors
    • Reinstall xcode
    • Remove RODE Connect virtual audio devices
    • Prevent Google Meet from changing the input device volume level
    • Restart audio system
    • External monitor flickers
• Make
  • Pass all args to target
• Man
  • Section numbers
  • Searching for documentation
• MySQL
  • Show table constraints
• Networking
  • Disable dnsmasq / systemd-resolved
  • List DNS servers
  • Show processes listening or connecting to the network
  • HTTPS SSH tunnel (port forward through jump box)
  • nmcli
  • Test performance
  • Wifi
  • Serial console
• NPM
  • Install Node and NPM using NVM
  • Linking
  • Publishing
• pfSense
  • Increase swap
  • Domain Overrides over OpenVPN
  • VPN
    • Remote access
  • Fix boot loop
• Pixel Art
  • Aseprite (software)
    • Keyboard shortcuts
  • Learning and tutorials
• PostgreSQL
  • Diff schemas
  • Query user password hash
  • Terminate all connections to a database
  • Show connections information
  • Log all queries
• Python
  • Books
  • Newsletters
  • Getting started
  • Libraries and frameworks
  • Tools
  • How-tos
    • Getting started with Poetry
    • Develop a non-redistributable (no setup.py) local package using Pipenv
    • VS Code test discovery doesn't find any tests
• Rails
  • Common commands
  • Debugging
  • Testing
• Retro games
  • Anbernic RG35XX+
    • MinUI
  • Analogue Pocket
  • Miyoo Mini+
    • RetroArch Core BIOS files
    • Enable FTP server
    • Boxart
  • RetroArch
    • Cores
    • Cache directory
    • Video drivers
    • Rewind
    • Controller right-analog stick
    • RetroArch on Xbox Series
      • USB disk drive permissions
    • Troubleshooting
      • Disable Kiosk Mode
      • Fix "Failed to load content" error
  • Recommended games
    • Atari Jaguar - November 23, 1993
    • Nintendo - DS - November 21, 2004
    • Nintendo - Game Boy - April 21, 1989
    • Nintendo - Game Boy Advance - March 21, 2001
    • Nintendo - GameCube - September 14, 2001
    • Nintendo - Nintendo 64 - June 23, 1996
    • Nintendo - Nintendo Entertainment System (NES) - October 18, 1985
    • Nintendo - Super Nintendo Entertainment System (SNES) - November 21, 1990
    • Pico-8 - April 2015
    • Sega - Dreamcast - November 27, 1998
    • Sega - Game Gear - October 6, 1990
    • Sega - Genesis - October 29, 1988
    • Sega - Saturn - November 22, 1994
    • Sony - PlayStation (PSX) - December 3, 1994
• Ruby
  • Books
  • Articles and blogs
  • Newsletters
  • Getting started
    • Install Ruby on macOS
  • Gems - Frameworks and libraries
  • IDEs
    • Rubymine
    • Visual Studio Code
  • Testing
  • Gems and bundler - package managment and dependencies
  • Debugging
• Rust
  • Books
  • Articles, blogs, and courses
  • Getting started
  • Testing
  • Macros
  • Cargo
    • Cargo.toml overriding direct and transitive dependencies
  • Visual Studio Code
    • Debugging extensions
    • Tasks
  • Crates - Frameworks and libraries
  • Software
  • Troubleshooting
• Slack
  • Useful commands
• Software Engineering
  • Books
    • Architecture and design
    • Career
    • Computer science
    • Operating systems and networking
  • Articles and guides
• SSH
  • Agent forwarding
  • Share connections
• systemd
  • systemctl commands
  • journalctl commands
    • Remove service
  • User units
    • Lingering
    • Create a service to restart an always-on USB port
• tmux
  • Books
  • Common commands
  • Keyboard shortcuts
    • Scrolling
  • Usage
  • Troubleshooting
• Ubuntu
  • Applications and packages
    • Desktop environment
    • Monitoring and statistics commands
    • Search for installed applications
    • Search for Ubuntu packages by filename
    • Default applications
    • Post-install cleanup / Uninstall packages
    • Flatpak
  • How-tos
    • Upgrade Ubuntu from LTS to non-LTS
    • Disable release upgrade notifications
    • Disable language switcher
    • Magic SysRq Keys
    • Mount a network share in fstab
    • Preserve $PATH when using sudo
    • Increase inotify watches
    • Temporarily change the date/time using timedatectl
    • Wipe storage device using hdparm
    • Use debconf
    • Allow adm users to shutdown and reboot the system
  • Debugging and troubleshooting
    • Fix broken grub install
    • apt update 404
    • Redshift.conf is not read when it is a symlink
    • gnome-control-center segmentation fault on startup
    • SSH RSA authentication is not working
    • Disable brltty which can interfere with serial->USB adapters
• Vim
  • Books
  • Commands
  • Tips
  • Key combinations
• Virtualbox
  • Troubleshooting
• Visual Studio Code
  • Keyboard shortcuts
  • Add CLI executable on macOS
  • Enable key repeating on macOS
  • Extensions
• wget
  • Download recursively
• Woodworking
  • Wood (lumber)
    • Lumber yards
    • Cost of wood
• Xorg
  • xrandr
  • xset
  • Find the program that grabbed a key combination
  • Mouse cursor theme

Table of contents generated using mdtoc.