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@zhengjia
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')
@nruth
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)
# 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:
@helloluis
helloluis / Slim HTML5 Boilerplate Conditional Comments
Created August 31, 2011 08:52
How to get HTML5 Boilerplate-style Conditional Comments Working in Slim
doctype html
/[if lt IE 7]
| <html class="ie6">
/[if IE 7]
| <html class="ie7">
/[if IE 8]
| <html class="ie8">
/[if IE 9]
| <html class="ie9">
| <!--[if (gte IE 9)|!(IE)]<!--> <html> <!--<![endif]-->

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

@fred
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
@jboner
jboner / latency.txt
Last active June 1, 2024 18:05
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
@MohamedAlaa
MohamedAlaa / tmux-cheatsheet.markdown
Last active May 31, 2024 22:29
tmux shortcuts & cheatsheet

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname
@evtuhovich
evtuhovich / rmongo.rb
Created December 18, 2012 11:58
Код к докладу "Нетрадиционное использование Ruby и PostgreSQL" http://www.slideshare.net/evtuhovich/ruby-postgresql
require 'rubygems'
require 'pg'
require 'yaml'
class DB
def initialize(debug = true)
@conn = PG::Connection.open()
@debug = debug
end
@mattt
mattt / uiappearance-selector.md
Last active March 19, 2024 12:52
A list of methods and properties conforming to `UIAppearance` as of iOS 12 Beta 3

Generate the list yourself:

$ cd /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS*.sdk/System/Library/Frameworks/UIKit.framework/Headers
$ grep UI_APPEARANCE_SELECTOR ./*     | \
  sed 's/NS_AVAILABLE_IOS(.*)//g'     | \
  sed 's/NS_DEPRECATED_IOS(.*)//g'    | \
  sed 's/API_AVAILABLE(.*)//g'        | \
  sed 's/API_UNAVAILABLE(.*)//g'      | \
 sed 's/UI_APPEARANCE_SELECTOR//g' | \