RReverser

private double det(IEnumerable<IEnumerable<double>> matrix)
{
  return
    matrix.Any()
    ?
      matrix
      .Select((row, i) =>
        (i % 2 == 0 ? +1 : -1)
        * row.First()
        * det(matrix.Where((curRow, curI) => curI != i).Select(curRow => curRow.Skip(1)))

RReverser

console.log('Usage: phantomjs render.js URL [width=1024] [height=768] [out=render.png]');

var args = require('system').args;
if (args.length < 2) {
  phantom.exit();
}

var page = require('webpage').create();

var rect = page.clipRect = {

RReverser

function part(name, exec, deps) {
    console.log(name + '...');
    
    var code = exec.toString();
    
    if (deps) {
        exec = new Function(deps, 'return(' + code + ')()');
    } else {
        deps =
            code

RReverser

var reportedHash = 'reported' in localStorage ? JSON.parse(localStorage.reported) : {};

(function reportTweets() {
	var newTweetsBar = document.querySelector('.new-tweets-bar');
	newTweetsBar && newTweetsBar.click();

	Array.prototype.map.call(
		document.querySelectorAll('.original-tweet'),
		function (tweet) {
			return tweet.dataset

RReverser

function when(value, func) {
	var promise = Promise.cast(value);

	if (func) {
		promise = promise.then(function (value) {
			return Promise.cast(func(value)).then(function (newValue) {
				return newValue === undefined ? value : newValue;
			});
		});
	}

RReverser

feature	Promises	streams	generators
asynchronous (can push from inner callbacks)	true	true	false
multiple push	false	true	true
error catch	true	false	false
error forwarding	true	false	true
external dependency is a must	false	true	false

RReverser

var stream = require('stream');
var Rx = require('rx');
var util = require('util');

function ObservableStream(transform) {
	stream.Duplex.call(this, {objectMode: true});

	this.subject = new Rx.Subject();
	this.observable = transform(this.subject);
	this.subscription = null;

RReverser

// just for RequireBin
console.log = function () {
  var pre = document.createElement('pre');
  pre.textContent = Array.prototype.map.call(arguments, function (arg) {
    return typeof arg === 'object' ? JSON.stringify(arg, null, 2) : arg;
  }).join(' ');
  document.body.appendChild(pre);
};

var esprima = require('esprima-fb'), ast;

RReverser

function Template(str, data) {
	return str.replace(/\${([^}]+)}/g, (_, name) => data[name]);
}

var answer = 42;
(function () {
	var answer = 60;	
	console.log(Template('Answer is ${answer}', {answer}));
})();

RReverser

### Keybase proof

I hereby claim:

  * I am RReverser on github.
  * I am rreverser (https://keybase.io/rreverser) on keybase.
  * I have a public key whose fingerprint is 3456 B5A0 0E7F 67D8 A049  5B85 7634 8879 1722 011A

To claim this, I am signing this object: