cartazio

PSA :

just use GHC for OSX https://ghcformacosx.github.io

the rest of these directions are preserved for historical purposes

TLDR version, if you have homebrew

xcode-select --install ; brew tap homebrew/versions ;   brew tap homebrew/dupes \

ryohey

function varIntBytes(v) {
  const r = [v & 0x7f]
  while ((v >>= 7) > 0) {
    r.unshift(0x80 + (v & 0x7f))
  }
  return r
}

rumkin

/* chacha20 - 256 bits */

// Written in 2014 by Devi Mandiri. Public domain.
//
// Implementation derived from chacha-ref.c version 20080118
// See for details: http://cr.yp.to/chacha/chacha-20080128.pdf

function U8TO32_LE(x, i) {
  return x[i] | (x[i+1]<<8) | (x[i+2]<<16) | (x[i+3]<<24);
}

max-mapper

Wrappers

• hummus - c++ pdf manipulator
• mimeograph - api on a conglomeration of tools (poppler, tesseract, imagemagick etc)
• pdftotextjs - wrapper around pdftotext
• pdf-text-extract - another wrapper around pdftotext
• pdf-extract - wrapper around pdftotext, pdftk, tesseract, ghostscript
• pdfutils - poppler wrapper
• scissors - pdftk, ghostscript wrapper w/ high level api
• textract - pdftotext wrapper

bodil

#[derive(Copy, Clone, PartialEq, Eq, Debug)]
pub struct True;

#[derive(Copy, Clone, PartialEq, Eq, Debug)]
pub struct False;

pub trait Bool {
    fn new() -> Self;
}
impl Bool for True {

joelpt

// The Babylonian Method 
// http://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method
// @param n - the number to compute the square root of
// @param g - the best guess so far (can omit from initial call)
function squirt(n, g) {
    if (!g) {
        // Take an initial guess at the square root
        g = n / 2.0;
    }
    var d = n / g;              // Divide our guess into the number

joyrexus

A zip function in javascript using .reduce.

See Tom MacWright's post making juice with reduce / foldl.

See also _.zip and d3.zip for alternative implementations and sample usage.

wycats

Routing in Ember

In Ember, the application's state manager handles routing. Let's take a look at a simple example:

App.stateManager = Ember.StateManager.create({
  start: Ember.State.extend({
    index: Ember.State.extend({
      route: "/",

lancejpollard

Universal Language Encoding (ULE)

An alternative to the UTF encodings to handle more languages in a more compact way.

<language><characters><language><characters>...

Everything is in bytes.

cwholt

module.exports = function(redisClient,prefix) {
  var Autocomplete = {};
  
  Autocomplete.prefix = prefix;
  Autocomplete.terminal = "+";
  
  Autocomplete.add = function(word, next) {
    function add(letters, key, last, x) {
      var letter = last ? Autocomplete.terminal : letters[x];
      var score = last ? 0 : letter.charCodeAt(0);