rusllonrails

app.round_up = (float, digits) ->
  digits = (if not digits? then 2 else digits)
  k = Math.pow(10, digits)
  int = (float * k).toFixed(1)
  rounded = Math.floor(int)
  ((rounded + ((if int - rounded < 0.5 then 0 else 1))) / k).toFixed 2

rusllonrails

class ChangeMessages < ActiveRecord::Migration
  def change
    rename_column :messages, :recipient_ids, :old_recipient_ids
    add_column :messages, :recipient_ids, :integer, array: true

    Message.all.each do |message|
      message.recipient_ids = message.old_recipient_ids
      message.save!(validate: false)
    end

rusllonrails

app.pluralize = (num, variant1, variant2, variant3)->
  plural =
  if num % 10 == 1 && num % 100 != 11
    0
  else if num % 10 >= 2 && num % 10 <= 4 && (num % 100 < 10 || num % 100 >= 20)
    1
  else
    2
   
  switch plural

rusllonrails

1) Enter these 2 commands in the Terminal to add this PPA and update your packages list:

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update

2) Enter one (or more) of these commands to install the proprietary Java(s) you require:

    sudo apt-get install oracle-java6-installer
    sudo apt-get install oracle-java7-installer
    sudo apt-get install oracle-java8-installer

rusllonrails

1. Mysql only

> ids = [11,31,29]
=> [11, 31, 29]
> Page.where(id: ids).order("field(id, #{ids.join(',')})")

2. Postrgesql variant

  def self.order_by_ids(ids)
    order_by = ["case"]

rusllonrails

bundle exec unicorn_rails -c config/unicorn.conf.rb -E production -D

rusllonrails

lib/tasks/dummy.rake

namespace :db do
  desc "Add system data"
  task dummy: :environment do
    SeedDummyData.run
  end
end

class SeedDummyData

rusllonrails

CTRL + SHIFT + P
in opened window put: Install
ENTER
in opened window put: SidebarFileExt
ENTER

rusllonrails

For editing use

vi galfit.feedme

For inserting

Press i //Do required editing

rusllonrails

sudo apt-get remove --auto-remove vagrant
sudo apt-get purge --auto-remove vagrant
sudo rm -rf /opt/vagrant
sudo rm -rf /usr/bin/vagrant
sudo rm -rf ~/.vagrant.d