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@piscisaureus
piscisaureus / pr.md
Created August 13, 2012 16:12
Checkout github pull requests locally

Locate the section for your github remote in the .git/config file. It looks like this:

[remote "origin"]
	fetch = +refs/heads/*:refs/remotes/origin/*
	url = git@github.com:joyent/node.git

Now add the line fetch = +refs/pull/*/head:refs/remotes/origin/pr/* to this section. Obviously, change the github url to match your project's URL. It ends up looking like this:

@kleinmatic
kleinmatic / gist:3105703
Created July 13, 2012 16:07 — forked from rmurphey/gist:3105199
Open Conference Expectations

Open Conference Expectations

This document lays out some baseline expectations between conference speakers and conference presenters. It was prepared by three experienced conference speakers -- one of whom has also organized conferences -- and influenced by many others. Its goal is to let speakers know what they might reasonably expect from a conference, in exchange for the hours we expect them to spend researching, preparing, and rehearsing, and the time they will spend away from home and family.

We believe that all speakers should reasonably expect these things, not just speakers who are known to draw large crowds, because no one is a rockstar but more people should have the chance to be one. We believe that conferences are better -- and, dare we say, more diverse -- when the people speaking are not just the people who can afford to get themselves there, either because their company paid or they foot the bill themselves.

These expectations should serve as *a starting point for discussion between sp

@jboner
jboner / latency.txt
Last active September 11, 2026 04:03
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
@larryv
larryv / gist:2632239
Created May 8, 2012 03:07
Completed COOL lexical analyzer
/*
* The scanner definition for COOL.
*/
/*
* Stuff enclosed in %{ %} in the first section is copied verbatim to the
* output, so headers and global definitions are placed here to be visible
* to the code in the file. Don't remove anything that was here initially
*/
%{
@anthonywu
anthonywu / human_enum.py
Created February 27, 2012 00:43
Python Human Enums
"""
Copyright (c) 2012 Anthony Wu, twitter.com/anthonywu
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
@benjisg
benjisg / gist:866343
Created March 11, 2011 18:38
JavaScript Module Pattern
// Setup a module and use immediate invocation to run it right away
var MyModule = function() {
// Some private properties
var foo = "1";
var bar = 2;
// A private function
var updateFoo = function(value) {
foo = value;
# Josiah Carlson - Programming Challange from Erann Gat:
# http://www.flownet.com/ron/papers/lisp-java/
# Given a list of words and a list of phone numbers, find all the ways that
# each phone number can be expressed as a list of words.
from collections import defaultdict
import sys
MAPPING = {'e':0, 'j':1, 'n':1, 'q':1, 'r':2, 'w':2, 'x':2, 'd':3, 's':3,
'y':3, 'f':4, 't':4, 'a':5, 'm':5, 'c':6, 'i':6, 'v':6, 'b':7, 'k':7,