| # Install ffmepg (for the screencast) & imagemagick (to optimize the GIF file for web usage) | |
| brew install ffmpeg | |
| brew install imagemagick | |
| # Make the screencast and compress it | |
| ffmpeg -i ScreenFlow.mov -pix_fmt rgb24 output.gif | |
| convert -layers Optimize output.gif output_optimized.gif | |
| # Upload it somewere in the cloud... | |
| # ... and use the file in the desire website. Here's the markdown syntax: |
| ## Contribution leaderboard | |
| # | |
| # Get a leaderboard of contributions in your org | |
| # | |
| # usage: $ USERNAME=yourusername PASSWORD=yourpassword ORG=yourorgname ruby leaderboard.rb | |
| # | |
| # n.b requires the octokit and mechanize gems | |
| require 'rubygems' | |
| require 'octokit' |
HTTP Archive (powered by HAR files): www.httparchive.org
HAR Viewer: http://code.google.com/p/harviewer/
| // Create the test | |
| var pixelRatio = (window.devicePixelRatio >= 1.5) ? "high" : "normal"; | |
| .. | |
| // Pass it along through GA | |
| var _gaq = _gaq || []; | |
| _gaq.push(['_setAccount', 'UA-xxxxxxxx-x']); | |
| // --- IMPORTANT LINE! | |
| // params: event method, custom variable slot, variable name, variable value, scope level |
| #!/bin/bash | |
| # install homebrew's official php tap | |
| brew tap josegonzalez/homebrew-php | |
| # install homebrew-dupes (required to install zlib, php54's dependency) | |
| brew tap homebrew/dupes | |
| # install nginx + mysql + php 5.4 + php-fpm + apc + xdebug | |
| brew install nginx mysql |
| 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 |
| brew update | |
| brew versions FORMULA | |
| cd `brew --prefix` | |
| git checkout HASH Library/Formula/FORMULA.rb # use output of "brew versions" | |
| brew install FORMULA | |
| brew switch FORMULA VERSION | |
| git checkout -- Library/Formula/FORMULA.rb # reset formula | |
| ## Example: Using Subversion 1.6.17 | |
| # |
| /*! ****************************** | |
| Handlebars helpers | |
| *******************************/ | |
| // debug helper | |
| // usage: {{debug}} or {{debug someValue}} | |
| // from: @commondream (http://thinkvitamin.com/code/handlebars-js-part-3-tips-and-tricks/) | |
| Handlebars.registerHelper("debug", function(optionalValue) { | |
| console.log("Current Context"); | |
| console.log("===================="); |
I was at Amazon for about six and a half years, and now I've been at Google for that long. One thing that struck me immediately about the two companies -- an impression that has been reinforced almost daily -- is that Amazon does everything wrong, and Google does everything right. Sure, it's a sweeping generalization, but a surprisingly accurate one. It's pretty crazy. There are probably a hundred or even two hundred different ways you can compare the two companies, and Google is superior in all but three of them, if I recall correctly. I actually did a spreadsheet at one point but Legal wouldn't let me show it to anyone, even though recruiting loved it.
I mean, just to give you a very brief taste: Amazon's recruiting process is fundamentally flawed by having teams hire for themselves, so their hiring bar is incredibly inconsistent across teams, despite various efforts they've made to level it out. And their operations are a mess; they don't real
| #!/bin/sh | |
| sudo apt-get update | |
| sudo apt-get install openjdk-6-jre | |
| sudo apt-get install openjdk-6-jdk | |
| sudo wget -q -O - http://pkg.jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add - | |
| sudo sh -c 'echo deb http://pkg.jenkins-ci.org/debian binary/ > /etc/apt/sources.list.d/jenkins.list' | |
| sudo apt-get update | |
| sudo apt-get install jenkins | |
| sudo apt-get install ant |
