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"WTF IS \033[30;47m???", a practical cheat-sheet

Font color definitions can be intimidating and nonsense at first,
but it is quite easy, lets just follow character by character:

   ┌────────┤\033├── Escape character (ESC)
   │┌───────┤ [  ├── Define a sequence (many characters in a code)
   ││
   ││┌──────┤ X  ├── Parameter (optional)  ┐ 
   │││┌─────┤ ;  ├── Parameter separator   │ SGR Code

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Установка Ruby on Rails приложения на удаленный сервер с помощью Ansible

Установка Ansible на Ubuntu 16.04

подключаемся к серверу и ставим Ansible

sudo apt-add-repository ppa:ansible/ansible
sudo apt-get update
sudo apt-get install ansible

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---
- Адыгея:
  - Абадзехская
  - Адамий
  - Адыгейск
  - Новая Адыгея
  - Нижний Айрюм
  - Апостолиди
  - Ассоколай
  - Кармир-Астх

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TL;DR

Install Postgres 9.5, and then:

sudo pg_dropcluster 9.5 main --stop
sudo pg_upgradecluster 9.3 main
sudo pg_dropcluster 9.3 main

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This gist is the source code for http://gary.beagledreams.com/page/go-websocket-chat.html

Copyright (c) 2013 Gary Burd

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

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%html
  %style
    .breadcrumbs {
      background-color: #f5f5f5;
      text-align: justify;
      line-height: 0;
      text-align-last: justify;
      padding: 8px 15px;
  
      &:after {

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=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

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Programming Achievements: How to Level Up as a Developer

This gist is part of a blog post. Check it out at:

http://jasonrudolph.com/blog/2011/08/09/programming-achievements-how-to-level-up-as-a-developer

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# Конфигуратор lib/flexible_discounts/configuration.rb
require 'singleton'

class FlexibleDiscounts::Configuration
  
  class Filter
    
    class IncompleteArgumentList; end
    
    class Requirements

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конфиг 
config/flexible_discounts.rb

FlexibleDiscounts::Configuration.run do |config|
  config.filter :isbns, :scope => :item do
    requires do
      value :as => :array, :type => :isbn
    end

    logic do |item|