dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

kaznum

/*
 * sanitize HTML with jQuery based on whitelist
 * example:
 *   sanitizer.sanitize('<a href="foo" class="bar">aaa</a><script>alert("...")</script>', {'a': ['href'], 'strong': []})
 *   returns '<a href="foo">aaa</a>'
 */
var sanitizer = {};

(function($) {
  function trimAttributes(node, allowedAttrs) {

jboner

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

rtekie

# Support for Rspec / Capybara subdomain integration testing
# Make sure this file is required by spec_helper.rb
#  
# Sample subdomain test: 
# it "should test subdomain" do
#   switch_to_subdomain("mysubdomain")
#   visit root_path
# end

DEFAULT_HOST = "lvh.me"

jonathanbeebe

#!/usr/bin/env ruby
#
# newrailsproject.rb
#
# Description:
# Easily create a new Rails project and Sublime Text 2 project file.
#
# By Jonathan Beebe. MIT License.
#
# Syntax: ruby newrailsproject.rb PROJECT_NAME BASE_PATH [sublime_project_basepath]

johnpaulashenfelter

Upgrading to homebrew postgresql 9.1.1 from 9.0.x

* Copy the old data

mv -R /usr/local/var/postgres/ /usr/local/var/postgres-901

* Create a new database using 9.1.1

/usr/local/Cellar/postgresql/9.1.1/bin/initdb /usr/local/var/postgres

2shortplanks

-- Find the note in omnifocus for the current project / folder
-- (or create a new one) and display it.

-- Created by Mark Fowler ([email protected])
-- Help from http://veritrope.com/code/search-evernote-for-notes-containing-link-to-selected-omnifocus-item/
-- on getting the name / url for the current omnifocus item


tell front window of application "OmniFocus"
	try

zhengjia

=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')