is8r

@xxx.each_with_index do |item, i|

is8r

@xxx = Xxx.find(:first)

is8r

= f.label :xxx_id, "xxx"
= f.collection_select :xxx_id, Xxx.all, :id, :name

is8r

#クラスレベルやモデルクラス内
ApplicationController.helpers.xxx(@xxx)

#インスタンスメソッド内
self.class.helpers.xxx(@xxx)

is8r

= link_to "text", "url", :target=>["_blank"]

is8r

- if Rails.env.development?

is8r

#app/controllers/application_controller.rbに
http_basic_authenticate_with :name => ENV["BASIC_AUTH_NAME"], :password => ENV["BASIC_AUTH_PW"] if Rails.env.production?

$ heroku config:add BASIC_AUTH_NAME=xxxx
$ heroku config:add BASIC_AUTH_PW=xxxx

is8r

if !Xxx.find_by_id(3).nil?
  re = Xxx.find(3).name
else
  re = "該当のカラムは削除されています。"
end

is8r

- xxx ||= "デフォルト値"

is8r

UINavigationBar *navBar = [self navigationBar];
if ([[[UIDevice currentDevice] systemVersion] intValue] == 6) {
    [navBar setShadowImage:[[UIImage alloc] init]];
}