How do you create a custom key mapping in Vim?
nnoremap <leader>s :w<CR>
Use nnoremap for non-recursive normal mode mappings.
Tag: config
How do you disable swap files in Vim?
set noswapfile
Use set noswapfile to disable creating .
How do you create an autocommand group in Vim?
augroup MyGroup | autocmd! | autocmd BufWrite *.py :!black % | augroup END
Wrap autocommands in an augroup with autocmd! to clear previous entries.
How do you apply settings only for specific filetypes?
autocmd FileType python setlocal tabstop=4 expandtab
Use autocmd FileType to set buffer-local options for specific filetypes.
How do I see available key mappings as I type?
vim-which-key plugin
vim-which-key displays a popup showing available key bindings as you type a prefix key.
How do I get an enhanced status line with vim-airline?
Plug 'vim-airline/vim-airline'
vim-airline provides a beautiful, feature-rich status line that shows file info, git branch, diagnostics, and more with minimal configuration.
How do I see the search match count in the statusline?
:set shortmess-=S
The shortmess option controls which messages are shortened.
How do I make Vim respond faster to idle events?
:set updatetime=250
The updatetime option controls how long Vim waits after you stop typing before triggering certain events (like swap file writes and CursorHold autocommands).
How do I enable true color (24-bit) support in Vim?
:set termguicolors
The termguicolors option enables 24-bit RGB color support, allowing color schemes to use millions of colors instead of the terminal's 256-color palette.
How do I disable the error beep in Vim?
:set belloff=all
The belloff=all option disables all error bells and visual bells in Vim.
How do I write a simple Vim plugin?
Create plugin/myplugin.vim
A basic Vim plugin is just a .
How do I get language support for many programming languages at once?
Plug 'sheerun/vim-polyglot'
vim-polyglot is a collection of language packs for Vim.
How do I get improved syntax highlighting with Tree-sitter in Neovim?
:TSInstall language
nvim-treesitter provides Tree-sitter integration for Neovim, offering faster and more accurate syntax highlighting, indentation, and text objects.
How do I set up Neovim's built-in LSP client?
vim.lsp.buf.definition()
Neovim has a built-in LSP (Language Server Protocol) client that provides IDE-like features without plugins.
How do I set the leader key for custom mappings?
let mapleader = " "
The leader key is a prefix for custom mappings.
How do I set the maximum line width for automatic text wrapping?
:set textwidth=80
The textwidth option sets the maximum width for text.
How do I create a custom Ex command?
:command Name action
The :command command defines a new user Ex command.
How do I set options that only apply to certain file types?
autocmd FileType python setlocal ...
Using autocmd FileType with setlocal, you can configure settings that only apply when editing files of a specific type.
How do I install vim-plug plugin manager?
curl -fLo ~/.vim/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
vim-plug is a minimalist plugin manager for Vim.
How do I configure backup and swap file behavior?
:set nobackup noswapfile
Disabling backup and swap files prevents Vim from creating extra files alongside your source code.