aemkei

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE

hellerbarde

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

piscisaureus

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:

JohannesHoppe

<script\x20type="text/javascript">javascript:alert(1);</script>
<script\x3Etype="text/javascript">javascript:alert(1);</script>
<script\x0Dtype="text/javascript">javascript:alert(1);</script>
<script\x09type="text/javascript">javascript:alert(1);</script>
<script\x0Ctype="text/javascript">javascript:alert(1);</script>
<script\x2Ftype="text/javascript">javascript:alert(1);</script>
<script\x0Atype="text/javascript">javascript:alert(1);</script>
'`"><\x3Cscript>javascript:alert(1)</script>        
'`"><\x00script>javascript:alert(1)</script>
<img src=1 href=1 onerror="javascript:alert(1)"></img>

kavu

package main

/*
#cgo CFLAGS: -x objective-c
#cgo LDFLAGS: -framework Cocoa
#import <Cocoa/Cocoa.h>

int
StartApp(void) {
    [NSAutoreleasePool new];

lukehefson

#!/bin/bash

function remove_dir () {
    rm -rf "$1_"

    if [ -d "$1" ]
    then
        mv "$1" "$1_"
    fi
}

maxk42

POLYMORPHISM AND GENERICS IN GO

Lately, Go has been getting a lot of flack for its lack of generics and parametric polymorphism. Whereas it doesn't have a specific language feature called "generics", generic type operations are very simple to implement. Here is a simple implementation of a generic collection type in Go demonstrating how it's done. Essentially, the type interface{} acts as a placeholder for any type. By making use of the empty interface, you can pass any type to a function much like you can in dynamically-typed languages.

Edit: Thanks to https://gist.github.com/mfenniak and https://gist.github.com/dominikh for pointing out that the add() function was equivalent to go's built-in append()

lelandbatey

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results

michaljemala

package main

import (
	"crypto/tls"
	"crypto/x509"
	"flag"
	"io/ioutil"
	"log"
	"net/http"
)

region23

На русском языке

• Введение в программирование на Go - http://golang-book.ru/
• Всё, что вы хотели знать про GOPATH и GOROOT - http://habrahabr.ru/post/249545/ (статья на Хабре)
• Русский форум по Go - https://groups.google.com/forum/#!forum/golang-ru

Русскоязычные сайты и сообщества

• Первый русскоязычный сайт по Go http://4gophers.com/
• Русскоязычный slack-чат по Go https://golang-ru.slack.com

English resources