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wiki/linux/hardware.md
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wiki/linux/hardware.md
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# Hardware
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This entry focusses on various hardware components of a desktop PC or a laptop.
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## Battery
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The battery of a notebook can be inspected by using the `upower` command.
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To use it the tool needs to be installed.
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In most [Linux](/wiki/linux.md) distributions this is bundled in a package of the same name.
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A usage example is shown in the following command.
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It will show the state, voltage, percentage and many other information about a given battery.
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```sh
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upower -i /org/freedesktop/UPower/devices/battery_BAT0
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```
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# C in Vim
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C is a common programming language.
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In this article we will focus on making vim support c and use vim as an ide for
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c.
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## Autocompletion
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### Coc
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To enable autocompletion for [coc](coc.md) you need to install `ccls`.
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After that you need to add the following lines to your coc config file.
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```json
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{
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"languageserver": {
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"ccls": {
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"command": "ccls",
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"filetypes": [
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"c",
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"cpp",
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"objc",
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"objcpp"
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],
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"rootPatterns": [
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".ccls",
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"compile_commands.json",
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".vim/",
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".git/",
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".hg/"
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],
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"initializationOptions": {
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"cache": {
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"diretory": "/tmp/ccls"
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}
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}
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}
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}
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}
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```
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# Coc in Vim
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[Conquer of completion](https://github.com/neoclide/coc.nvim) enables full
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language server protocol support for neovim.
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It is written specifically for neovim.
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The coc config file is located in `.config/nvim/coc-settings.json`.
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## Installation
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- Install `nodejs`
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- Install [vim-plug](vim-plug.md)
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- Add coc.vim to your init.vim
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- Add `Plug 'neoclide/coc.nvim', {'do': 'yarn install --frozen-lockfile'}`
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to your Plug-Section
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## Base config
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Add the base configuration to your vim config file.
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```vimscript
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" neoclide/coc.nvim
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inoremap <silent><expr> <TAB>
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\ pumvisible() ? "\<C-n>" :
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\ <SID>check_back_space() ? "\<TAB>" :
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\ coc#refresh()
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inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
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function! s:check_back_space() abort
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let col = col('.') - 1
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return !col || getline('.')[col - 1] =~# '\s'
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endfunction
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if has('nvim')
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inoremap <silent><expr> <c-space> coc#refresh()
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else
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inoremap <silent><expr> <c-@> coc#refresh()
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endif
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inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()
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\: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
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nmap <silent> gd <Plug>(coc-definition)
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nmap <silent> gy <Plug>(coc-type-definition)
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nmap <silent> gi <Plug>(coc-implementation)
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nmap <silent> gr <Plug>(coc-references)
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nnoremap <silent> K :call <SID>show_documentation()<CR>
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function! s:show_documentation()
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if (index(['vim','help'], &filetype) >= 0)
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execute 'h '.expand('<cword>')
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elseif (coc#rpc#ready())
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call CocActionAsync('doHover')
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else
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execute '!' . &keywordprg . " " . expand('<cword>')
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endif
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endfunction
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autocmd CursorHold * silent call CocActionAsync('highlight')
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nmap <F5> <Plug>(coc-rename)
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xmap <leader>f <Plug>(coc-format-selected)
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nmap <leader>f <Plug>(coc-format-selected)
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augroup mygroup
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autocmd!
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autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
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autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
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augroup end
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```
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## Extensions
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Extensions can be added to the vim config aswell.
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A basic example for adding a few extensions is:
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```vimscript
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let g:coc_global_extensions = [
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\ ]
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```
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# GoLang in Vim
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GoLang is a common programming language.
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In this article we will focus on making vim support Go and use vim as an ide
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for it.
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This guide is based on a guide from
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[octetz.com](https://octetz.com/docs/2019/2019-04-24-vim-as-a-go-ide/).
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## Build, Test, Run, Docs, Debug, Format
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To enable most of the basic functions of an IDE you need to install `vim-go` via
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`vim plug`.
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For this add `Plug 'fatih/vim-go' " better support for golang` in your plug section
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in the `init.vim` file.
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Then run `:PlugInstall` and `:GoInstallBinaries` inside `nvim`.
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Finally add `let g:go_def_mapping_enabled = 0` to your `init.vim` to make sure
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the mapping `gd` will be used by `coc` and its language server.
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## Autocompletion
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### Coc
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To enable autocompletion for [coc](coc.md) you need to install `ccls`.
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After that you need to add the following lines to your coc config file.
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```json
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{
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"languageserver": {
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"golang": {
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"command": "gopls",
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"rootPatterns": [
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"go.mod",
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".vim/",
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".git/",
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".hg/"
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],
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"filetypes": [
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"go"
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]
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}
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}
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}
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```
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# Nim in Vim
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[Nim](https://nim-lang.org) is a statically typed compiled systems programming.
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## Autocompletion
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### Coc
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To enable autocompletion for [coc](coc.md) you need to install `nimlsp`
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(`nimble install nimlsp`).
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After that you need to add the following lines to your coc config file.
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```json
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{
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"languageserver": {
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"nim": {
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"command": "nimlsp",
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"filetypes": ["nim"],
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"trace.server": "verbose"
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}
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}
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}
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```
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### Highlighting
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To enable highlighting you can install a
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[vim plugin by zah](https://github.com/zah/nim.vim).
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# Python in Vim
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Python is a common programming language.
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In this article we will focus on making vim support python and use vim as an
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ide for it.
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## Autocompletion
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### Coc
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To enable autocompletion for [coc](coc.md) you need to install the coc-package
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`coc-python`. Do that by adding it to the extension section of your `init.vim`.
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## Formatting
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Install `autopep8` to your system.
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Then add `autocmd FileType python setlocal formatprg=autopep8\ -` and
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`autocmd FileType python noremap <F8> gggqG` to your
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`init.vim` to reformat on F8.
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## Line length
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To set your python buffers to show column 80 add
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`autocmd BufEnter,FileType python set colorcolumn=80` to your `init.vim`.
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# VHDL in Vim
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VHDL is a hardware description language.
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In this article we will focus on making vim support VHDL.
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## Linting
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### Coc
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To enable linting and other language server features for [coc](coc.md) you need
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to install [hdl-checker](https://github.com/suoto/hdl_checker).
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After that you need to add the following lines to your coc config file.
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```json
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{
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"hdlChecker": {
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"command": "hdl_checker",
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"args": [
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"--lsp"
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],
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"filetypes": [
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"vhdl",
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"verilog",
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"systemverilog"
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]
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}
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}
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```
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# Vim-Plug
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[Vim-Plug](https://github.com/junegunn/vim-plug) is a minimalist plugin manager.
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## Installation
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You can add the following lines to your vim config file to make sure vim-plug is
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installed with the correct folder-structure.
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```vimscript
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if ! filereadable(expand('~/.config/nvim/autoload/plug.vim'))
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echo "Downloading junegunn/vim-plug to manage plugins..."
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silent !mkdir -p ~/.config/nvim/autoload/
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silent !curl "https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim" > ~/.config/nvim/autoload/plug.vim
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autocmd VimEnter * PlugInstall
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endif
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```
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Below is an example plugin section.
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```vimscript
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call plug#begin('~/.local/share/nvim/plugged')
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Plug 'airblade/vim-gitgutter'
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Plug 'tpope/vim-surround'
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Plug 'uiiaoo/java-syntax.vim' , {'for': 'java'}
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call plug#end()
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```
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## Important commands
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- `:PlugInstall` - install plugins specified in the Plug section
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- `:PlugClean` - remove plugins that are not specified in the Plug section
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For both of these command remember to write the file and reload the buffer if
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you just added a new plugin or removed one.
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@ -1,22 +0,0 @@
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# Vim
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[Vim](https://github.com/vim/vim) is a texteditor.
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A good alternative to baseline Vim is Neovim.
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[Neovim](https://github.com/neovim/neovim) is based on Vim and focused
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||||
on extensibility and usability.
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||||
The configuration file is stored in `.config/nvim/init.vim`
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On GitHub [Vim-Galore](https://github.com/mhinz/vim-galore) gives extensive guides and tips on using
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||||
Vim.
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||||
## Plug-In
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||||
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||||
There are a bunch of different options for managing plug-ins.
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||||
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||||
- [Vim-plug](vim-plug.md)
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||||
## Autocompletion
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||||
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||||
An important feature for writing text and especially code is autocompletion.
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For Neovim there are a few options.
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||||
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||||
- [Conquer of completion](coc.md)
|
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