MohamedAlaa / tmux-cheatsheet.markdown

Last active August 13, 2026 11:46

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

jboner / latency.txt

Last active August 14, 2026 20:11

Latency Numbers Every Programmer Should Know

	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD

fred / application_controller.rb

Created April 29, 2012 07:20 — forked from skamithi/application_controller.rb

Adding Opensearch to my Rails 3.2 app

	#app/controllers/application_controller.rb
	class ApplicationController < ActionController::Base
	def opensearch
	response.headers['Content-Type'] = 'application/opensearchdescription+xml; charset=utf-8'
	end

henrik / tmux_cheatsheet.markdown

Created March 3, 2012 19:47

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

helloluis / Slim HTML5 Boilerplate Conditional Comments

Created August 31, 2011 08:52

How to get HTML5 Boilerplate-style Conditional Comments Working in Slim

dfurber / coffee_script_tricks.coffee

Created May 26, 2011 17:39

CoffeeScript tricks

	# These are my notes from the PragProg book on CoffeeScript of things that either
	# aren't in the main CS language reference or I didn't pick them up there. I wrote
	# them down before I forgot, and put it here for others but mainly as a reference for
	# myself.

	# assign arguments in constructor to properties of the same name:
	class Thingie
	constructor: (@name, @url) ->

	# is the same as:

nruth / cookie_steps.rb

Created July 21, 2010 17:16

Testing login "remember me" feature with Capybara (rack::test or selenium) - deleting the session cookie (only)

	Then /^show me the cookies!$/ do
	driver = Capybara.current_session.driver
	case driver
	when Capybara::Driver::Selenium
	announce_selenium_cookies(Capybara.current_session.driver.browser)
	when Capybara::Driver::RackTest
	announce_rack_test_cookies(get_rack_test_cookie_jar)
	else
	raise "unsupported driver, use rack::test or selenium/webdriver"
	end

zhengjia / capybara cheat sheet

Created June 7, 2010 01:35

capybara cheat sheet

	=Navigating=
	visit('/projects')
	visit(post_comments_path(post))

	=Clicking links and buttons=
	click_link('id-of-link')
	click_link('Link Text')
	click_button('Save')
	click('Link Text') # Click either a link or a button
	click('Button Value')

Paal Øye-Strømme paaloeye

tmux shortcuts & cheatsheet