View hoge.php
<?php $posttags = get_the_tags(); if ($posttags) { $key = array_search($posttags, 'TAG_NAME'); $posttags[$key]; ?>
<!-- something do -->
<?php } ?>
View hoge_custom_validatior.js
export class HogeCustomValidatior {
positiveIntegerValidatator() {
let elm1 = document.getElementById('number_hoge1');
let elm2 = document.getElementById('number_hoge2');
let elms = [elm1, elm2];
elms.forEach(function (elm) {
elm.addEventListener('change', function(event){
if (event.target.value.match(/\D/)) {
event.target.value = null;
View app|lib|hoges|hoge_hoge.rb
def get_hoge_times
48.times.map.each_with_index {|i| (Time.parse('0:00') + 30.minutes * i).strftime('%H:%M')}
end
View app|assets|javascripts|hoge.js
getControllerName() {
// Ex) DOMAIN.com/NAME_SPACE/CONTROLLER_NAME/ACTION
var pathname = window.location.pathname; // /NAME_SPACE/CONTROLLER_NAME/ACTION
let splitedPathnames = pathname.replace(/\//, ''); // [ 'NAME_SPACE', 'CONTROLLER_NAME', 'ACTION' ]
return splitedPathnames.split('/')[1]; // CONTROLLER_NAME
}
View app|controllers|application_controller.rb
class ApplicationController < ActionController::Base
# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
protect_from_forgery with: :exception
if Rails.env.production? || Rails.env.staging?
# 他のエラーハンドリングでキャッチできなかった場合に
# 500 Internal Server Error(システムエラー)を発生させる
rescue_from Exception, with: :handle_500
View MONGOID.md

ADE

$ ruby -v
ruby 2.4.2p198 (2017-09-14 revision 59899) [x86_64-linux]

$ bundle exec rails -v
Rails 5.1.4
View CLI
#############################################################################
# via: https://docs.mongodb.com/manual/tutorial/install-mongodb-on-red-hat/ #
# via: https://docs.mongodb.com/manual/tutorial/transparent-huge-pages/ #
# via: https://qiita.com/SOJO/items/dc5bf9b4375eab14991b #
#############################################################################
$ vi /etc/yum.repos.d/mongodb-org-3.6.repo
[mongodb-org-3.6]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.6/x86_64/
View CLI
$ruby -v
ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-linux]
$ bundle exec rails -v
Rails 5.1.4
$ yarn -v
1.5.1
$ bundle install
View Gemfile
gem 'gretel'
View Gemfile
gem 'font-awesome-rails'