kpuputti

var Q = require('q'),
    LazyPromise = require('lazy-promise');

function async(name) {
    console.log('start async: ' + name);
    var deferred = Q.defer();

    // Resolve the promise in the next turn of the event loop
    process.nextTick(function () {
        console.log('finish async: ' + name);

kpuputti

; compute the Ackermann's function
(defn A [x y]
  (cond (= y 0) 0
        (= x 0) (*' 2 y)
        (= y 1) 2
        :else (A (- x 1)
                 (A x (- y 1)))))

; f(x) = 2x
(defn f [n]

kpuputti

function combinations(arr1, arr2) {
    return arr1.reduce(function (prev, curr) {
        return prev.concat(arr2.map(function (item) {
            return [curr, item];
        }));
    }, []);
}

> combinations([1,2,3], ['a', 'b', 'c', 'd']);
[ [ 1, 'a' ],

kpuputti

function canHazInt(s) {
    var n = parseInt(s, 10);
    if (!isNaN(n)) {
        return n;
    } else {
        throw new Error('no can do');
    }
}

kpuputti

// range0(n) -> [0, ... , (n - 1)]
function range0(n) {
    return Array.apply(null, Array(n)).map(function (val, i) {
        return i;
    });
}

// range(end) -> [0, ... , (end - 1)]
// or
// range(start, end) -> [start, ... , (end - 1)]

kpuputti

var data = [
    { name: 'a', other: 'ignore me', sub: [{name: 'a1'}, {name: 'a2'}] },
    { name: 'b', sub: [{name: 'b1'}, {name: 'b2', another: 'ignore me too'}] }
];

// Wanted: ['a', 'a1', 'a2', 'b', 'b1', 'b2']

// Flattenezify!

_.chain(data).map(function (d) {

kpuputti

(function () {
    'use strict';

    var func1 = function () {},
        func2 = function (callback) { callback(); };

    // JSLint does not complain about the lines below
    func2(func1.
          invalid);

kpuputti

// Set the drag being busy for 500ms
that.dragBusy = true;
window.setTimeout(function () {
    that.dragBusy = false;
}, 100);

kpuputti

// In the events object of the view:
// 'touchstart nav a': 'onNavTouchStart',
// 'touchmove nav a': 'onNavTouchMove',
// 'touchend nav a': 'onNavTouchEnd',

onNavTouchStart: function (event) {
    var href = $(event.target).attr('href');
    this.navTouchHref = (href && href !== '#') ? href : null;
},

kpuputti

// one liner

_.tap({}, function (o) { _.each(location.hash.split('&'), function (p) { var s = p.split('='); o[s[0]] = s[1]; }); });

// indented

_.tap({}, function (o) {
    _.each(location.hash.split('&'), function (p) {
        var s = p.split('=');
        o[s[0]] = s[1];