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scala> val x: PartialFunction[String, Unit] = { case "foo" => println("Foo") }
x: PartialFunction[String,Unit] = <function1>
scala> x("foo")
Foo
scala> x("bar")
scala.MatchError: bar
scala> val y: PartialFunction[String, Unit] = { case "bar" => println("Bar") }
@jorgeortiz85
jorgeortiz85 / gist:906503
Created April 6, 2011 20:52
Scala for-comprehensions
// The way Scala for-comprehensions work is that:
for (x <- c) f(x)
// simply translates to:
c.foreach(x => f(x))
// Likewise:
#!/usr/bin/env ruby
if ARGV.size < 2
$stderr.puts 'usage: monitor <path> <command> [arg1 arg2 ...]'
exit 100
end
PATH = ARGV[0]
COMMAND = ARGV[1]
ARGS = ARGV[2..-1]
@jamiew
jamiew / google_twunter_lol
Created July 28, 2011 20:34
All the dirty words from Google's "what do you love" project: http://www.wdyl.com/
easterEgg.BadWorder.list={
"4r5e":1,
"5h1t":1,
"5hit":1,
a55:1,
anal:1,
anus:1,
ar5e:1,
arrse:1,
arse:1,
@bryanveloso
bryanveloso / brew-services.rb
Created December 8, 2011 09:39 — forked from lwe/brew-services.rb
External script for homebrew to simplify starting services via launchctl, out of the box support for any formula which implements #startup_plist. (This version fixes the deprecation warning raised on Formula.resolve_alias.)
#!/usr/bin/env ruby -w
# brew-services(1) - Easily start and stop formulas via launchctl
# ===============================================================
#
# ## SYNOPSIS
#
# [<sudo>] `brew services` `list`<br>
# [<sudo>] `brew services` `restart` <formula><br>
# [<sudo>] `brew services` `start` <formula> [<plist>]<br>
@mattbillenstein
mattbillenstein / s3put
Created December 13, 2011 10:02
boto parallel s3 upload script
#!/usr/bin/env python
import gevent.monkey
gevent.monkey.patch_all()
import boto
import config
import gevent
import gevent.pool
import os
@pheuter
pheuter / sc-dl.js
Created March 5, 2012 20:44
Bookmarklet that generates download link for a Soundcloud upload
(function(d) {
var dl = d.createElement('a');
dl.innerText = 'Download MP3';
dl.href = "http://media.soundcloud.com/stream/"+d.querySelector('#main-content-inner img[class=waveform]').src.match(/\.com\/(.+)\_/)[1];
dl.download = d.querySelector('em').innerText+".mp3";
d.querySelector('.primary').appendChild(dl);
dl.style.marginLeft = '10px';
dl.style.color = 'red';
dl.style.fontWeight = 700;
})(document);
@erikh
erikh / hack.sh
Created March 31, 2012 07:02 — forked from DAddYE/hack.sh
OSX For Hackers
#!/usr/bin/env sh
##
# This is script with usefull tips taken from:
# https://github.com/mathiasbynens/dotfiles/blob/master/.osx
#
# install it:
# curl -sL https://raw.github.com/gist/2108403/hack.sh | sh
#
@minrk
minrk / checkipnb.py
Last active April 9, 2022 16:51
run and validate a notebook
#!/usr/bin/env python
"""
simple example script for running notebooks and reporting exceptions.
Usage: `checkipnb.py foo.ipynb [bar.ipynb [...]]`
Each cell is submitted to the kernel, and checked for errors.
"""
import os,sys,time
@jboner
jboner / latency.txt
Last active July 26, 2024 04:31
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