aninder

require 'mechanize'
playlist = []
playlist_details = []
def find_more(song)
  page=Mechanize.new.get("https://www.discogs.com/search/?q=#{song}")
  links=page.search('#search_results .card').map{|f| f.search('a').first[:href]}
  link = find_link(links)
  if link
    get_details("http://#{page.uri.host}#{link}")
  else

aninder

require 'mechanize'
@all_links = []
m=Mechanize.new
p=m.get("http://www.alexa.com/topsites/category/News")
while true
  puts "current page url #{p.uri}"
  links=p.css('li.site-listing .desc-paragraph a').map { |l| l.text }
  if(links.size ==0)
    puts "no links found on current page #{p.uri}"
    break

aninder

ActiveRecord cheat sheet / EXAMPLES

INSTALL 
=======  
$ gem install activerecord
in GEMFILE: gem ‘activerecord’

REQUIRE 
=======  
require ‘active_record’

aninder

require 'base64'
require 'openssl'
require 'optparse'
require 'debugger'
banner = "Usage: #{$0} -k KEY [-c COOKIE]\nCookie is a raw ruby expression like '{:user_id => 1}'"
hashtype = 'SHA1'
debugger
key = nil
cookie = {"user_id"=>1}
opts

aninder

# extracted and prettified from the exploit gem metadata (https://gist.github.com/d891e876c53e55bf0920)
# context: https://news.ycombinator.com/item?id=5139720
require 'net/http'
require 'digest'
require 'openssl'
require 'base64'
aes = proc { |text|
aes_256 = OpenSSL::Cipher.new('aes-256-cbc')
aes_256.encrypt
aes_256.key = Digest::MD5.hexdigest(`uname -r`)

aninder

sudo ln -fs `which ruby`  /usr/bin/ruby
sudo ln -fs `which erb`   /usr/bin/erb
sudo ln -fs `which gem`   /usr/bin/gem
sudo ln -fs `which irb`   /usr/bin/irb
sudo ln -fs `which rake`  /usr/bin/rake
sudo ln -fs `which rdoc`  /usr/bin/rdoc
sudo ln -fs `which ri`    /usr/bin/ri
sudo ln -fs `which testrb` /usr/bin/testrb

aninder

set rtp+=~/.vim/bundle/vundle/
call vundle#rc()

Bundle 'vim-ruby/vim-ruby'
Bundle 'skalnik/vim-vroom'
Bundle 'vim-scripts/L9'
Bundle 'vim-scripts/FuzzyFinder'
Bundle  'vim-scripts/rubycomplete.vim'
Bundle  'ervandew/supertab'

aninder

#enable globals terminal colors
export CLICOLOR=1
export LSCOLORS=exfxcxdxbxegedabagacad

# terminal hist config
export HISTFILESIZE=100000
export HISTCONTROL=ignoredups
export HISTSIZE=20000
export HISTIGNORE="[ ]*:&:bg:fg:ls -l:ls -al:ls -la:ls1:lsa:lsr:gits:gits?"

aninder

lambda {
setups = []
events = {}

Kernel.send :define_method, :event do |name, &block|
 events[name] = block
end

Kernel.send :define_method, :setup do |&block|
setups << block