wteuber

#reduce PDF size
#-dPDFSETTINGS
#  /screen
#  /ebook
#  /printer
#  /prepress

gs -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/printer -sOutputFile=out.pdf in.pdf

wteuber

// This script takes an iTerm Color Profile as an argument and translates it for use with Visual Studio Code's built-in terminal.
// 
// usage: `node iterm-colors-to-vscode.js [path-to-iterm-profile.json]
// 
// To export an iTerm Color Profile:
//   1) Open iTerm
//   2) Go to Preferences -> Profiles -> Colors
//   3) Other Actions -> Save Profile as JSON
// 
// To generate the applicable color settings and use them in VS Code:

wteuber

#!/bin/bash
# Install a custom MySQL 5.7 version - https://www.mysql.com
#
# To run this script on Codeship, add the following
# command to your project's setup commands:
# \curl -sSL https://raw.githubusercontent.com/codeship/scripts/master/packages/mysql-5.7.sh | bash -s
#
# Add the following environment variables to your project configuration
# (otherwise the defaults below will be used).
# * MYSQL_VERSION

wteuber

require 'fileutils'
# TODO get list of Cops that support auto-correct
# for each cop, run the following
# only commit if change was stable
# (each run takes ~2 minutes)
prefix = ARGV[0]
files = Dir["#{prefix}/**/*.rb"].sort
orig = Hash[files.map do |file|
    FileUtils.cp(file, "#{file}.orig")
    [file, %x(ruby --dump insns #{file}).gsub(/\s+\(\s*\d+\)$/, '')]

wteuber

require "benchmark"

class A
  def name
    @name ||= begin
      rand
    end
  end
end

wteuber

require 'yaml'

def compare_yaml_hash(cf1, cf2, context = [])
  cf1.each do |key, value|
    if cf2.key?(key)
      puts "Contains key : #{key} in path #{context.join(".")}"
    end

    value2 = cf2[key]
    next unless value2

wteuber

#http://tools.ietf.org/html/rfc2397
img_path = '...pictures/img.jpg'
img = File.open(img_path, 'rb').read
img_type = case img[0..10]
  when /^GIF8/
    'gif'
  when Regexp.new('^\x89PNG', nil, 'n')
    'png'
  when Regexp.new('^\xff\xd8\xff\xe0\x00\x10JFIF', nil, 'n'), Regexp.new('^\xff\xd8\xff\xe1(.*){2}Exif', nil, 'n')
   'jpeg'