Minecraft wiki entry for Tutorials, associated text: Command blocks and functions
Command NBT tags
How to install a snapshot
Creating a data pack
Installing a data pack
How to get a crash report
See Minecraft's code
Installing Forge mods
Loading a resource pack
Creating a resource pack
Map downloads
Custom maps
Joining a LAN world with alternate accounts
Custom Minecraft directory
Sound directory
Recover corrupted saved world data
Saving your game data to the cloud with Dropbox
Save game data to Dropbox (world data only)
Playing and saving Minecraft on a thumb drive
Run Minecraft through Google Drive
Improving frame rate
Update Java to latest version
Updating old oceans in 1.13 using MCEdit
Falling blocks
Minecraft on Chrome OS
Moving structures using structure blocks from world to world