How do I configure :make to run the current file as a script with a specific interpreter?
:set makeprg=python3\ %
Setting makeprg to include % lets :make always execute the file you're currently editing.
Category: config
How do I quickly open my vimrc configuration file from anywhere in Vim?
:e $MYVIMRC
The :e $MYVIMRC command opens your Vim or Neovim configuration file instantly, no matter where it lives.
How do I compile a custom word list into a Vim spell file for faster spell checking?
:mkspell ~/.vim/spell/en.utf-8.add
When you add words to your personal spell file with zg, Vim writes them to a plain-text .
How do I keep concealed text hidden while navigating but automatically reveal it when my cursor enters insert mode?
:set concealcursor=nv
The 'concealcursor' option controls in which modes concealed text is revealed on the cursor line.
How do I control how many columns Vim scrolls horizontally at once when the cursor reaches the screen edge?
:set sidescroll=1
When wrap is off and the cursor moves past the edge of the screen, Vim jumps the view horizontally by a number of columns determined by sidescroll.
How do I define a mapping that only takes effect if the key is not already mapped?
:map <unique> {key} {rhs}
The modifier causes Vim to fail with an error if you try to create a mapping for a key that is already mapped in that mode.
How do I use lambda functions in Vimscript to filter or transform lists?
{args -> expr}
Vim 8.
How do I create a dynamic abbreviation that inserts live content like the current date?
:iabbrev <expr> {trigger} {expression}
The flag on :iabbrev turns the right-hand side into a Vimscript expression that is evaluated at expansion time rather than stored as a literal string.
How do I change the cursor shape to a thin bar in insert mode and a block in normal mode in Neovim?
:set guicursor=n-v-c:block,i-ci-ve:ver25,r-cr:hor20
Neovim's guicursor option lets you assign a distinct cursor shape and style to each mode, providing immediate visual feedback about which mode you are in.
How do I set up a local leader key for file-type-specific mappings that don't conflict with global mappings?
:let maplocalleader = ','
Vim provides two separate leader keys: (global) and (local to the current buffer).
How do I create a normal mode mapping that correctly captures and passes a count prefix to a function?
nnoremap <key> :<C-u>call MyFunc(v:count)<CR>
When writing custom mappings that call Vimscript functions, a common pitfall is that any count you type before the key (e.
How do I make floating windows semi-transparent in Neovim?
:set winblend=20
Neovim's winblend option controls the pseudo-transparency of floating windows.
How do I make CursorHold events fire faster so plugins and diagnostics respond more quickly?
:set updatetime=300
Vim's updatetime option controls two things: how quickly the swap file is written after you stop typing, and how many milliseconds of inactivity before the Curs
How do I run Lua code in the context of a specific buffer without switching to it in Neovim?
vim.api.nvim_buf_call()
vim.
How do I register a Lua callback that fires before every keystroke to react to keyboard input?
vim.on_key()
vim.
How do I safely run Neovim API calls from inside a fast callback or loop without causing errors?
vim.schedule()
vim.
How do I define a custom user command in Neovim Lua config that accepts arguments and has a description?
vim.api.nvim_create_user_command()
Neovim's Lua API provides vim.
How do I stop Vim from replacing long lines with rows of '@' signs and show as much text as possible instead?
:set display+=lastline,truncate
By default, when a line is too long to fit in the window, Vim fills the remaining rows with @ characters to indicate the line continues off-screen.
How do I display multiple column guide lines at different widths simultaneously in Vim?
:set colorcolumn=80,120
colorcolumn highlights one or more screen columns to serve as a visual ruler.
How do I visually display tabs, trailing spaces, and end-of-line characters in Vim?
:set list listchars=tab:>-,trail:~,eol:$
Enabling list mode makes Vim render normally invisible characters using configurable symbols defined in listchars.