jfcalvo

require 'digest'

# Get SHA256 Hash of a file
puts Digest::SHA256.hexdigest File.read "data.dat"
# Get MD5 Hash of a file
puts Digest::MD5.hexdigest File.read "data.dat"
# Get MD5 Hash of a string
puts Digest::SHA256.hexdigest "Hello World"

# Get SHA256 Hash of a string using update

nathanhammond

Running emscripten on OS X

There are a number of additional dependencies required for getting things installed on OS X. Starting with a blank slate OS X machine, this is the process it takes:

# Install Xcode Command Line Tools

# Install Homebrew
ruby -e "$(curl -fsSkL raw.github.com/mxcl/homebrew/go)"

farhadi

/*
 * RC4 symmetric cipher encryption/decryption
 *
 * @license Public Domain
 * @param string key - secret key for encryption/decryption
 * @param string str - string to be encrypted/decrypted
 * @return string
 */
function rc4(key, str) {
	var s = [], j = 0, x, res = '';

creationix

// Joins path segments.  Preserves initial "/" and resolves ".." and "."
// Does not support using ".." to go above/outside the root.
// This means that join("foo", "../../bar") will not resolve to "../bar"
function join(/* path segments */) {
  // Split the inputs into a list of path commands.
  var parts = [];
  for (var i = 0, l = arguments.length; i < l; i++) {
    parts = parts.concat(arguments[i].split("/"));
  }
  // Interpret the path commands to get the new resolved path.

adam-lynch

var path = require('path');

var _invalidateRequireCacheForFile = function(filePath){
	delete require.cache[path.resolve(filePath)];
};

var requireNoCache =  function(filePath){
	_invalidateRequireCacheForFile(filePath);
	return require(filePath);
};

kripken

int doubler(int x) {
  return 2 * x;
}