CarlosCD

#!/usr/bin/env ruby
# frozen_string_literal: true

%w(json webrick).each do |gem_name|
  begin
    Gem::Specification.find_by_name(gem_name)
  rescue Gem::MissingSpecError
    puts "Installing the '#{gem_name}' Ruby gem..."
    system "gem install #{gem_name}"
  end

CarlosCD

# 1) Create your private key (any password will do, we remove it below)

$ cd ~/.ssh
$ openssl genrsa -des3 -out server.orig.key 2048


# 2) Remove the password

$ openssl rsa -in server.orig.key -out server.key

CarlosCD

# Temporarily redirects STDOUT and STDERR to /dev/null
# but does print exceptions should there occur any.
# Call as:
#   suppress_output { puts 'never printed' }
#
def suppress_output
  original_stderr = $stderr.clone
  original_stdout = $stdout.clone
  $stderr.reopen(File.new('/dev/null', 'w'))
  $stdout.reopen(File.new('/dev/null', 'w'))

CarlosCD

Originally taken from: Braintree Article and expanded on by me.

Safe

• Add a new column
• Drop a column
• Rename a column
• Add an index concurrently (Example), Note: it will still take a long time to run the migration, but it won't write-lock the table.
• Drop a constraint (for example, non-nullable)
• Add a default value to an existing column

CarlosCD

require 'nokogiri'
require 'open-uri'

# Get a Nokogiri::HTML:Document for the page we're interested in...

doc = Nokogiri::HTML(open('http://www.google.com/search?q=tenderlove'))

# Do funky things with it using Nokogiri::XML::Node methods...

####

CarlosCD

# All by order of frequency:
git log --pretty=format:'%s' | cut -d " " -f 1 | sort | uniq -c | sort -nr

# Angry developers:
git log --pretty=format:'%s' | tr '[:upper:]' '[:lower:]' | tr '[:space:]' '\n' | sort | uniq -c | sort -nr | grep -iE "(fuck|shit|bitch|damn|piss)"

CarlosCD

# Array#flatten in Ruby (exercise).
# Added as an Array instance method, with the name 'flattening'

class Array

  def flattening
    flat_me(self)
  end

  private

CarlosCD

Gem::Specification.new do |s|
  s.name        = 'mongoid-accepts_embedded_resource_for'
  s.version     = '0.1.0'
  s.platform    = Gem::Platform::RUBY
  s.author      = 'John Bintz'
  s.email       = 'john@coswellproductions.com'
  s.summary     = 'Add accepts_embedded_resources_for to Mongoid::NestedAttributes, so it plays nicer with Carrierwave and embedded documents'
  s.description = 'Add accepts_embedded_resources_for to Mongoid::NestedAttributes, so it plays nicer with Carrierwave and embedded documents'

  s.files         = ['mongoid-accepts_embedded_resource_for.rb']

CarlosCD

Gem::Specification.new do |s|
  s.name        = 'draper-mongoid'
  s.version     = '0.1.0'
  s.platform    = Gem::Platform::RUBY
  s.author      = 'John Bintz'
  s.email       = 'john@coswellproductions.com'
  s.summary     = 'Quick little hack to make Mongoid work with Draper wrt model_name'
  s.description = 'Quick little hack to make Mongoid work with Draper wrt model_name'

  s.files         = ['draper-mongoid.rb']

CarlosCD

#!/usr/bin/env ruby

# See: http://postgresapp.com/documentation/install.html

dumping_folder = 'dump'
expected_header = "                                            List of databases\n" +
                  "                Name                 | Owner  | Encoding |   Collate   |    Ctype    | Access privileges \n" +
                  "-------------------------------------+--------+----------+-------------+-------------+-------------------\n"

databases = `psql --list`