Antti’s gists

Antti / gist:1106691

Created July 26, 2011 12:57

Ruby Style Guide

	Original Source: https://github.com/chneukirchen/styleguide

	= Christian Neukirchen's Ruby Style Guide

	You may not like all rules presented here, but they work very well for
	me and have helped producing high quality code. Everyone is free to
	code however they want, write and follow their own style guides, but
	when you contribute to my code, please follow these rules:

Antti / config.ru

Created March 6, 2012 12:32

Rails Lightweight Stack. Most of this is detailed on Crafting Rails Applications - http://pragprog.com/book/jvrails/crafting-rails-applications

	# Run this file with `RAILS_ENV=production rackup -p 3000 -s thin`
	# Be sure to have rails and thin installed.
	require "rubygems"

	# We are not loading Active Record, nor the Assets Pipeline, etc.
	# This could also be in your Gemfile.
	gem "actionpack", "~> 3.2"
	gem "railties", "~> 3.2"

	# The following lines should come as no surprise. Except by

Antti / threadpool.rb

Last active October 5, 2015 06:08

Threadpool

	class ThreadPool

	def initialize(size)
	@size = size
	@queue = Queue.new
	@pool = Array.new(@size) do \|i\|
	Thread.new do
	Thread.current.abort_on_exception = true
	Thread.current[:id] = i
	catch(:exit) do

Antti / ntp.rb

Created May 22, 2012 10:06

Simple NTP query

	require 'socket'
	s = UDPSocket.new
	NTP_PACKET_SIZE= 48
	EPOCH_SECONDS = 2208988800

	ntppacket = [0b11100011, 0, 6, 0xEC, 0, 49, 0x4E, 49, 52,0,0,0,0].pack("C4QC4Q4")
	puts "Packet size matches: #{ntppacket.bytes.count == NTP_PACKET_SIZE}"

	s.send ntppacket, 0, "pool.ntp.org", 123
	response = s.recv(NTP_PACKET_SIZE)

Antti / app_config.rb

Created September 25, 2012 14:11

Rails Application Config loader

	# gem 'hashie'
	begin
	app_name = Rails.application.class.parent_name.downcase
	file_path = File.join(Rails.root,'config',"#{app_name}.yml")
	app_config = Hashie::Mash.new(YAML.load_file(file_path)).freeze
	rescue Errno::ENOENT
	raise "Can not find #{app_name.upcase} config file: #{file_path}"
	rescue Psych::SyntaxError
	Rails.logger.error "Can not parse #{app_name.upcase} config file: #{file_path}:"
	puts "Can not parse #{app_name.upcase} config file: #{file_path}"

Antti / quartile.rb

Created June 13, 2013 12:59

median & quartile

	def median_split(arr)
	c = arr.size%2
	subset = [arr[0..arr.size/2-1], arr[arr.size/2+c..-1]]
	m = median arr
	subset[0].push m
	subset[1].unshift m
	subset
	end

	def median(arr)

Antti / camel.pl

Last active December 25, 2015 13:59

Antti / rspec_differ.rb

Created December 9, 2013 10:07

	require "diff/lcs"
	require "diff/lcs/hunk"
	require 'pp'
	class Differ
	def initialize(actual, expected)
	@actual = actual
	@expected = expected
	end

	def hunks

Antti / alphabet_position.rb

Last active January 1, 2016 05:09

Resolve alphabet position encoded puzzle.

	ALPHABET = ('a'..'z').to_a
	code = '2114111925'

	class WordTree
	attr_accessor :l, :r, :my_letter, :string
	def initialize(my_letter, string)
	@string = string
	@my_letter = my_letter
	try_init_childs
	end

Antti / GIT: remove merged branches

Created February 10, 2014 12:13

git branch --merged | grep -v "\*" | xargs -n 1 git branch -d

Andrii Dmytrenko Antti