robertjwhitney

# multi-class selection

<div class="a b c">
</div>

.a.b { }

# parent - child selection

<div class="a">

robertjwhitney

class Object
  # Return a list of methods defined locally for a particular object.  Useful
  # for seeing what it does whilst losing all the guff that's implemented
  # by its parents (eg Object).
  def local_methods(obj = self)
    (obj.methods - obj.class.superclass.instance_methods).sort
  end
end

robertjwhitney

$ valgrind --version
valgrind-3.8.1

$ valgrind ./ex6

==56827== Memcheck, a memory error detector
==56827== Copyright (C) 2002-2012, and GNU GPL'd, by Julian Seward et al.
==56827== Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright info
==56827== Command: ./ex6
==56827==

robertjwhitney

=begin
## Description

A tool for Octopress to generate IDs in header tags and index list aside. It helps you easily build a tutorial page with many chapters.

## Features

*   Support all languages.

## Syntax

robertjwhitney

# LETS GET READY TO RECURSE!!!!!!
#
# Tower of Hanoi
#
# You have 4 discs which vary in size from small to large
# There are 3 pegs, A, B, C, respectively
#
# The discs are all currently on peg A, with the largest disc on the bottom,
# and the smallest disc on the top.
#

robertjwhitney

# Unfortunately, Google doesn't return the actual string it is suggesting
# replacements for, so this got a little complicated. Fork and improve!

require 'httparty'
require 'nokogiri'

# > Spellcheck.correct("Ths is a tst")
# => "This is a test"
# > Spellcheck.correct("My nme is Robrt Whtney")
# => "My name is Robert Whitney"

robertjwhitney

# Generate the sequence of numbers below.

# 0 1 2 3 4 5 6 7 8 9
# 1 2 3 4 5 6 7 8 9 0
# 2 3 4 5 6 7 8 9 0 1
# 3 4 5 6 7 8 9 0 1 2
# 4 5 6 7 8 9 0 1 2 3
# 5 6 7 8 9 0 1 2 3 4
# 6 7 8 9 0 1 2 3 4 5
# 7 8 9 0 1 2 3 4 5 6

robertjwhitney

desc "a task with arguments"
task :example, :some_arg do |t, args|
  # .. do something with the arguments
end

# > rake -T
# > rake example[some_arg] # a task with arguments

robertjwhitney

# http://stackoverflow.com/a/8936202
#
# ActiveAdmin already includes the necessary jquery in active_admin/base,
# so just add this to javascripts/active_admin.js after //= require active_admin/base
# 
# 
# Serialize and Sort 
# 
# model_name - you guessed it, the name of the model we are calling sort on.
#              This is the actual variable name, no need to change it.

robertjwhitney

var parser = document.createElement('a');
parser.href = "http://example.com:3000/pathname/?search=test#hash";

parser.protocol; // => "http:"
parser.hostname; // => "example.com"
parser.port;     // => "3000"
parser.pathname; // => "/pathname/"
parser.search;   // => "?search=test"
parser.hash;     // => "#hash"
parser.host;     // => "example.com:3000"