john2x

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors and Sequences

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.

---

lukaszraczylo

#!/usr/bin/env ruby

# To make it work:
# - change account details to yours ( obviously ;) )
# - install mechanize gem in version 1.0.0 ( gem install mechanize -v '1.0.0' )
# - look for !!HERE!! comments in code in case you'd like to change default behavior
# - for best results run this script few times as hipchat / ruby openssl don't play together that well and
#   there might be an exception thrown from time to time. Script should retry then but hey.. Nobody is perfect.
# .. and finally. Remember that other part should run this script as well to make history clean.

jcoglan

var crypto = require("crypto")

var User = function(attributes) {
  this._attributes = attributes || {}
}

User.KEY_LENGTH  = 32
User.WORK_FACTOR = 20000

User.prototype.setPassword = function(password, callback) {

yokolet

Datomic pro with Postgresql Setup

Prep

• Get evaluation license key : http://my.datomic.com/eval/request
• Download pro version : http://downloads.datomic.com/pro.html

Setups

1. Dev mode setup

mgol

var ngAppElem = angular.element(document.querySelector('[ng-app]') || document);

window.$injector = ngAppElem.injector();
window.inject = $injector.invoke;
window.$rootScope = ngAppElem.scope();

// getService('auth') will create a variable `auth` assigned to the service `auth`.
var getService = serviceName =>
    inject([serviceName, s => window[serviceName] = s]);

leafo

bit = require "bit"
ev = require "ev"

ltn12 = require "ltn12"
socket = require "socket"

-- make protect and newtry coroutine friendly
socket.protect = (fn) -> fn
socket.newtry = (finalizer) ->
  (...) ->

swannodette

(ns typed-play.core
  (:require-macros [cljs.core.typed :as t])
  (:require [cljs.core.typed :as t]))

(t/ann my-identity (All [x] (Fn [x -> x])))
(defn my-identity [x]
  (if (number? x)
    (inc x)
    x))

textarcana

XWindows for Headless Selenium

How to set up a Headless Selenium Testing environment for CentOS 6.3.

On your CentOS 6.3 host

Follow these steps to set up a CentOS 6.3 host to run headless Selenium tests with Firefox.

Chouser

(ns n01se.externs-for-cljs
  (:require [clojure.java.io :as io]
            [cljs.compiler :as comp]
            [cljs.analyzer :as ana]))

(defn read-file [file]
  (let [eof (Object.)]
    (with-open [stream (clojure.lang.LineNumberingPushbackReader. (io/reader file))]
      (vec (take-while #(not= % eof)
                       (repeatedly #(read stream false eof)))))))