kalashnikovisme

Factory.define :item do |f|
  include ActionDispatch::TestProcess

  f.name "Macbook Pro 15"
  f.price_in_dollars 1500
  f.photo { fixture_file_upload('/files/avatar.jpg', 'image/jpg') }
end

kalashnikovisme

sudo apt-get update

# ruby and rails
sudo apt-get install htop graphviz git curl build-essential openssl libreadline6 libreadline6-dev zlib1g zlib1g-dev libssl-dev libyaml-dev libreadline-dev libsqlite3-dev libxslt1-dev libgdbm-dev libncurses5-dev automake libtool bison libffi-dev libsqlite3-0 libmysql-ruby libmysqlclient-dev libs$ --yes
curl -L https://get.rvm.io | bash -s stable --rails
echo "gem: --no-ri --no-rdoc" > ~/.gemrc
notify-send "Ruby on Rails" Installed
git clone https://gist.github.com/6722293.git ~/config_files
mv ~/config_files/.pryrc ~/.pryrc

kalashnikovisme

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

# don't put duplicate lines in the history. See bash(1) for more options
# ... or force ignoredups and ignorespace
HISTCONTROL=ignoredups:ignorespace

kalashnikovisme

public void ExportToExcel(DataGridView grid) {
  ApplicationClass Excel = new ApplicationClass();
  XlReferenceStyle RefStyle = Excel.ReferenceStyle;
  Excel.Visible = true;
  Workbook wb = null;
  String TemplatePath = System.Windows.Forms.Application.StartupPath + @"\export.xlt";
  try {
    wb = Excel.Workbooks.Add(TemplatePath); // !!! 
  } catch (System.Exception ex) {
    throw new Exception("Template is unavailable " + TemplatePath + "\n" + ex.Message);

kalashnikovisme

parent_div_width = $('.youtube_embed').parents('div').first().width()
$youtube_embed = $('.youtube_embed iframe')
$youtube_embed.prop('width', "#{parent_div_width}px") 
$youtube_embed.prop('height', "#{parent_div_width / 16 * 9}px")

kalashnikovisme

cvt 1440 900 60
xrandr  --newmode "1440x900_60.00"  106.50  1440 1528 1672 1904  900 903 909 934 -hsync +vsync
xrandr --addmode VGA1 1440x900_60.00

kalashnikovisme

---
- hosts: all
  vars:
    name: "Your name"
    email: "your_email"
  tasks: 
    - command: git config --global user.email "{{ email }}"
    - command: git config --global user.name "{{ name }}"
    - apt: name={{ item }}
      sudo: True

kalashnikovisme

Общие вопросы

• динамическая и статическая типизация
• строгая и нестрогая типизация
• компилируемые и интерпретируемые языки

Ruby

• принципиальное различие скриптовых и “обычных” языков
• типизация в Ruby
• 3 принципа ООП
• реализация множественного наследования в ruby
• duck typing

kalashnikovisme

class SimpleMultipleExample
  include AASM
  aasm(:move, column: 'move_state') do
    state :standing, initial: true
    state :walking
    state :running

    event :walk do
      transitions from: :standing, to: :walking
    end

kalashnikovisme

file = File.open("errors.json").read
lines = []
file.each_line do |line|
  line.gsub!(/ObjectId\({1}(.)/, '\1').sub!(/()*\)/, '\1') if line.include? 'ObjectId'
  line.gsub!(/ISODate\({1}(.)/, '\1').sub!(/()*\)/, '\1') if line.include? 'ISODate'
  lines.push line
end
puts lines