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How do I duplicate a line or selection within Visual Studio Code?

The commands your are looking for are editor.action.copyLinesDownAction and editor.action.copyLinesUpAction. You can see the associated keybindings by picking: File > Preferences > Keyboard Shortcuts Windows: Shift+Alt+Down and Shift+Alt+Up Mac: Shift+Option+Down and Shift+OptionUp Linux: Ctrl+Shift+Alt+Down and Ctrl+Shift+Alt+Up (Might need to use numpad Down and Up for Linux) Furthermore, commands editor.action.moveLinesUpAction and editor.action.moveLinesDownAction are the ones to … Read more

Set language for syntax highlighting in Visual Studio Code

In the very right bottom corner, left to the smiley there was the icon saying “Plain Text”. When you click it, the menu with all languages appears where you can choose your desired language.

How do I force Sublime Text to indent two spaces per tab?

If you want it for all files, go to Preferences -> Settings – Default/User. But as several comments below indicate, Syntax Specific settings can limit it to just the languages you choose. To limit this configuration to Ruby files, first open up a Ruby file in the editor, and then go to Preferences -> Settings … Read more