Juan Hoyos elhoyos

A quick fix

$ ulimit -n 2048

Detailed info: http://otaqui.com/blog/1618/how-to-fix-error-emfile-too-many-open-files-from-yeoman-and-npm/

Reproduce the problem

It happened to me when issued a brunch watch command from iTerm after doing it on RubyMine (w/ custom build command using brunch executable):

Nokogiri adds \n between tags when using to_html and to_xml

Credits: These were identified and collected by @amirisnino

to_html

Example 1:

require 'nokogiri'
string = 'a<div>b<br><br></div>'
html_doc =  Nokogiri::HTML::DocumentFragment.parse(string)

When merging to a non-feature branch you'd normally use git merge <branch>. You can do better for the sake of easier reverts and help the review process:

git merge --no-ff <branch>

The naive way to update from upstream is git pull but is better to try:

git up

	OS: Centos 6.4 (Final)
	ruby: 1.9.3p327
	ImageMagick: ImageMagick 6.5.4-7 2014-02-10 Q16 OpenMP
	RMagick: 2.13.2

	require 'benchmark'

	# Constant vs String comparison benchmark

	class AType; end

	types = []
	(1..10000).each { types.push(AType) }

	time = Benchmark.realtime do

	# From: http://stackoverflow.com/a/5127684/638425
	# WARNING: See the caveats.

	class Person
	has_one :address
	after_initialize :init

	def init
	self.number \|\|= 0.0 #will set the default value only if it's nil
	self.address \|\|= build_address #let's you set a default association

	http://en.wikipedia.org/wiki/Zero-width_space
	http://www.utf8-chartable.de/unicode-utf8-table.pl?start=8192

	\A[A-J][^.[:space:]\u{200B 200C 200D FEFF}]
	http://stackoverflow.com/a/11305926/638425

	" show the registers
	:reg

	" save current line to k register
	"kyy

	" paste from k register
	"kp

	" append current line to k register

	# Model.subclasses will give you an empty array

	Rails.application.eager_load!

	# Now you can do Model.subclasses and it will retrieve its descendants

	SELECT * FROM table
	WHERE column > ''