Anton Maminov mamantoha

Polymorphic many-to-many association in Rails

Migration

class CreateBannerCategories < ActiveRecord::Migration
  def change
    create_table :banner_categories do |t|
      t.integer :banner_id
      t.integer :category_id

http://patshaughnessy.net/2012/2/29/the-joke-is-on-us-how-ruby-1-9-supports-the-goto-statement

goto.patch:

--- vm_opts.h
+++ vm_opts.h
@@ -48,7 +48,7 @@
 #define OPT_STACK_CACHING            0

	require "socket"

	def is_port_open?(ip : String, port : Int32, timeout = 5)
	s = TCPSocket.new(ip, port, dns_timeout: timeout, connect_timeout: timeout)
	s.close
	true
	rescue IO::Timeout
	false
	end

	# config/initializers/pry_everywhere.rb
	require 'sidekiq'

	# Perform Sidekiq jobs immediately in development,
	# so you don't have to run a separate process.
	# You'll also benefit from code reloading.
	if Rails.env.development? && ENV['SIDEKIQ_INLINE'].present?
	require 'sidekiq/testing'
	Sidekiq::Testing.inline!
	end

	# config/locales/defaults/uk.rb
	{
	uk: {
	date: {
	# In Ukrainian month name with day and standalone day are different
	month_names: lambda do \|key, options\|
	if options[:format] && options[:format] =~ /%-?d %B/
	:'date.month_names_with_day'
	else
	:'date.month_names_standalone'

	Model
	.where(
	"EXTRACT(dow FROM log_in) IN (1,2,3,4,5)"
	)
	.where(
	"log_in::time BETWEEN '9:00' AND '18:00'"
	)
	.where(
	"log_in BETWEEN now()::timestamp - (interval '1 week' AND now()::timestamp)"
	)

	require 'net/http'

	def warning_message
	puts <<~HEREDOC
	Usage:

	$ is_github_down

	🦄 It's down. Go outside!
	HEREDOC

	require 'net/http'
	require 'open-uri'
	require 'open3'
	require 'json'
	require 'optparse'
	require 'tempfile'

	options = {}
	OptionParser.new do \|opts\|
	opts.banner = "Usage: #{__FILE__} [options]"

	fi = Float::INFINITY
	p = 1

	p = 2 while 2*p < fi

	a = p/2
	b = p

	m = a/2
	p = a + m