As configured in my dotfiles.
start new:
tmux
start new with session name:
=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') |
# 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: |
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]--> |
As configured in my dotfiles.
start new:
tmux
start new with session name:
#app/controllers/application_controller.rb | |
class ApplicationController < ActionController::Base | |
def opensearch | |
response.headers['Content-Type'] = 'application/opensearchdescription+xml; charset=utf-8' | |
end |
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 |
require 'rubygems' | |
require 'pg' | |
require 'yaml' | |
class DB | |
def initialize(debug = true) | |
@conn = PG::Connection.open() | |
@debug = debug | |
end |
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' | \