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# update checks validation, updates the value on DB, returns the object
# Updating one record:
Person.update(15, :user_name => 'Samuel', :group => 'expert')

# Updating multiple records:
people = { 1 => { "first_name" => "David" }, 2 => { "first_name" => "Jeremy" } }
Person.update(people.keys, people.values)

# Or if you already got an object
person = Person.find(15)

sunkibaek

# inside of Gemfile
ruby "2.1.0", engine: "rbx", engine_version: "2.2.7"

sunkibaek

class Bird {
    public function sing () {
        echo 'Tweet';
    }
}

$bird = new Bird();
$bird->sing();

sunkibaek

<?php
    $_FILES['name-of-the-field']['tmp_name'];
    $_FILES['name-of-the-field']['name'];
    $_FILES['name-of-the-field']['type'];  // "image/jpeg", "image/png", "image/gif"
    $_FILES['name-of-the-field']['size'];
    $_FILES['name-of-the-field']['error']; // returns 0 if there's no error
?>

sunkibaek

// 'angular way' to create a controller (prevent minification error)
// source: http://weblogs.asp.net/dwahlin/archive/2013/12/01/structuring-angularjs-code.aspx

angular.module('moduleName').controller('MainController', ['$scope', function($scope) {
    //Code goes here
}]);

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<?php
    header("Location: file_name.php");      // redirect to file_name.php
?>

sunkibaek

// load external data
$('input.typeahead-devs').typeahead({
  name: 'accounts',
  prefetch: 'countries.json'
});