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FOR loops

• Factorial: hacer una función que calcule el factorial de un número.

function factorial ($number) {
 //code
}

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/*
 * Creates a new object that uses the old object as its prototype
 * From: Javascript: the Good Parts
 */
if (typeof Object.create !== 'function') {
  Object.create = function (o) {
    var F = function () {};
    F.prototype = o;
    return new F();
  };

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Uniform Access Principle

All services offered by a module should be available through a uniform notation, which does not betray whether they are implemented through storage or through computation

Bertrand Meyer

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<?php

// Model
class Province
{
    public $name;
    public $id;
    public function __construct($name, $id) {
        $this->name = $name;
        $this->id = $id;

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App to manage a blog.

The interface will be a JSON API. Please follow http://jsonapi.org/ standard.

There are users, blog posts and comments. A user can own many blog posts, and a blog post can have many comments.

• Users should be able to sign up, and log in.

• POST /sign_up will receive an email and password params and will create a new User. The email param must be a valid email address and the password must be at least 8 chars long.

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RAML API design
Monads and Ruby http://codon.com/refactoring-ruby-with-monads
Book: understanding computation, Tom Stuart
Seccasts screencasts: https://www.seccasts.com/mror/
Elixir Sips: http://elixirsips.com/
Coursera, Programming Languages: https://www.coursera.org/course/proglang
Codetriage.com
Docdoctor
Rblibeprof
http://www.procode.org/stgit/ stack git

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" UNIMPAIRED PLUGIN
" Bubble single lines
nmap <C-k> [e
nmap <C-j> ]e
" Bubble multiple lines
vmap <C-k> [egv
vmap <C-j> ]egv

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vim_plugin_task "unimpaired", "git://github.com/tpope/vim-unimpaired.git"

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class FlatteableHash
 def flatten(ancestor_names = [])
      flat_hash = {}

      each do |key, value|
        names = Array.new(ancestor_names)
        names << key

        if value.is_a?(Hash)
          value = FlatteableHash.new(value)

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num = Math.abs(num)
// Java code

num = -1234 
positive = num.abs
# => 1234