Ruby rails

目次

いろいろ

rails routes
Model.where(conditions).exists?

update

brew upgrade ruby-build
rbenv install -l
rbenv install 3.0.0
rbenv local 3.0.0

バージョン確認

rbenv versions
ruby -v
gem -v
rails -v
psql -v
heroku --version
git --version

vimgrepの使い方

ディレクトリを再帰的に検索

:vim 検索文字 app/** | cw
:vim 検索文字 app/controller/** | cw

カレントバッファを対象にする

 :vim 検索文字 %

NERDTreeの使い方

NERDTreeの使い方

Homebrewのインストール rbenvのインストール

https://qiita.com/kaumino/items/726e8436d7e960ca39f9

gemのインストール先　例えばbootstrap　環境によって違う

~/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/bootstrap-sass-3.4.1/assets/stylesheets/bootstrap

Node.jsのインストール

brew install nodebrew

nodebrew -v
   nodebrew 1.0.1
   Example:
   # install
   nodebrew install v8.9.4
   # use a specific version number
   nodebrew use v8.9.4

mkdir -p ~/.nodebrew/src

nodebrew install stable

nodebrew ls
   v14.4.0
   current: none

nodebrew use 14.4.0
   use v14.4.0

nodebrew ls        
   v14.4.0
   current: v14.4.0

echo 'export PATH=$HOME/.nodebrew/current/bin:$PATH' >> ~/.zprofile

source ~/.zprofile

node -v                                                            
   v14.4.0

vim-plug

.vimrc

Plug 'neoclide/coc.nvim', {'branch': 'release'}

インストール

:PlugInstall

:CocInstall　coc-solargraph
   Installed extension coc-solargraph@1.1.6 at /Users/jq/.config/coc/extensions/node_modules/coc-solargraph

touch ~/.vim/coc-settings.json

{
  "languageserver": {
   "sorbet": {
     "command": "srb",
     "args": ["tc", "--typed", "true", "--enable-all-experimental-lsp-features", "--lsp", "--disable-watchman", "--dir", "."],
     "filetypes": ["ruby"],
     "rootPatterns": ["sorbet/config"],
     "initializationOptions": {},
     "settings": {}
   }
 }
}

Solargraph gem not found. Run `gem install solargraph` or update your Gemfile., Install Now? (y/n)

gem install solargraph

rails postgres

rails _6.0.3_ new tepnote -d postgresql

表示切り替え

 <label class="control-label" for="search"></label>
   <select class="form-control" name="search">
     <option value="">何を検索しますか？</option>
     <option value="house_notes">家備考</option> 
     <option value="personal_notes">個人備考</option>
   </select>

<%= form_tag(search_user_path, :method => 'get') do %> <%= select_tag(:option, options_for_select([["user", "1"],["post","2"]]))%> <%= text_field_tag :search %> <%= submit_tag 'Search' %> <% end %> <p id="personal_notes" style="display: none;"> <input type="text" name="writer" value="1" size="20" maxlength="20">

<script type="text/javascript"> $(function(){

 $('select[name="search"]').change(function() {
   if ($('select[name="search"] option:selected').val() == 'house_notes')
     $('#house_notes').css('display','block');
   else
     $('#house_notes').css('display','none');

   if ($('select[name="search"] option:selected').val() == 'personal_notes')
     $('#personal_notes').css('display','block');
   else
     $('#personal_notes').css('display','none');
 });

}); </script>