ghoseb

;;
;; NS CHEATSHEET
;;
;; * :require makes functions available with a namespace prefix
;;  and optionally can refer functions to the current ns.
;;
;; * :import refers Java classes to the current namespace.
;;
;; * :refer-clojure affects availability of built-in (clojure.core)
;;   functions.

isaacs

echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
. ~/.bashrc
mkdir ~/local
mkdir ~/node-latest-install
cd ~/node-latest-install
curl http://nodejs.org/dist/node-latest.tar.gz | tar xz --strip-components=1
./configure --prefix=~/local
make install # ok, fine, this step probably takes more than 30 seconds...
curl https://www.npmjs.org/install.sh | sh

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

ebaker355

#!/usr/bin/env ruby

# gist: https://gist.github.com/3217498

# This script can be called from an Xcode 'Run Script' build phase at the
# beginning of the build process, like this:
#
#    ${PROJECT_DIR}/LocalizeStringsFromAndroid.rb ${PROJECT_NAME}
#
# This script should be placed in the same directory as your .xcodeproj

manjeshpv

// config/passport.js
				
// load all the things we need
var LocalStrategy   = require('passport-local').Strategy;

var mysql = require('mysql');

var connection = mysql.createConnection({
				  host     : 'localhost',
				  user     : 'root',

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

benvium

// on error the server sends JSON
/*
 { "error": { "data": { "message":"A thing went wrong" } } } 
*/

// create model classes..

public class ErrorResponse {
  Error error;
  

PBrockmann

An interactive version of a Reingold–Tilford tree. Click on the nodes to expand or collapse. From http://bl.ocks.org/mbostock/4339083

Added search, expand and styling of results and its ancestors. Visible from http://bl.ocks.org/PBrockmann/0f22818096428b12ea23

YellowAfterlife

static function trifill(x1:Fixed, y1:Fixed, x2:Fixed, y2:Fixed, x3:Fixed, y3:Fixed) {
	var dx12 = x1 - x2;
	var dx23 = x2 - x3;
	var dx31 = x3 - x1;
	//
	var dy12 = y1 - y2;
	var dy23 = y2 - y3;
	var dy31 = y3 - y1;
	//
	var minx = min(x1, min(x2, x3));

bishboria

These links no longer work. Springer have pulled the free plug.

Graduate texts in mathematics

duplicates = multiple editions

A Classical Introduction to Modern Number Theory, Kenneth Ireland Michael Rosen

A Classical Introduction to Modern Number Theory, Kenneth Ireland Michael Rosen