Tutorial by Examples | RIP Tutorial

ng-if vs ng-show

These functions are very similar in behaviour. The difference is that ng-if removes elements from the DOM. If there are large parts of the code that will not be shown, then ng-if is the way to go. ng-show will only hide the elements but will keep all the handlers. ng-if The ngIf directive removes ...

AngularJS • Profiling and Performance

ngOptions

ngOptions is a directive that simplifies the creation of a html dropdown box for the selection of an item from an array that will be stored in a model. The ngOptions attribute is used to dynamically generate a list of <option> elements for the <select> element using the array or object o...

AngularJS • Built-in directives

Pagination in Laravel

In other frameworks pagination is headache. Laravel makes it breeze, it can generate pagination by adding few lines of code in Controller and View. Basic Usage There are many ways to paginate items, but the simplest one is using the paginate method on query builder or an Eloquent query. Laravel ou...

Laravel • Pagination

Objective-C Create a Session And Data Task

NSURL *url = [NSURL URLWithString:@"http://www.example.com/"]; NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration]; // Configure the session here. NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration]; [[s...

iOS • NSURLSession

SortedSet

// create an empty set var mySet = new SortedSet<int>(); // add something // note that we add 2 before we add 1 mySet.Add(2); mySet.Add(1); // enumerate through the set foreach(var item in mySet) { Console.WriteLine(item); } // output: // 1 // 2

C# Language • An overview of c# collections

T[ ] (Array of T)

// create an array with 2 elements var myArray = new [] { "one", "two" }; // enumerate through the array foreach(var item in myArray) { Console.WriteLine(item); } // output: // one // two // exchange the element on the first position // note that all collecti...

C# Language • An overview of c# collections

Installation or Setup

Using a CDN: <!DOCTYPE html> <head> <script src="https://cdn.jsdelivr.net/rxjs/4.1.0/rx.min.js"></script> </head> <body> <script> // `Rx` is available var one$ = Rx.Observable.of(1); var onesub = one$.subscribe(function (...

rxjs • Getting started with rxjs

Setup Server

You need to having a server running online. To securely associate your iOS app with a server, Apple requires that you make available a configuration file, called apple-app-site-association. This is a JSON file which describes the domain and supported routes. The apple-app-site-association file need...

iOS • Universal Links

Supporting Multiple Domains

Each domain supported in the app needs to make available its own apple-app-site-association file. If the content served by each domain is different, then the contents of the file will also change to support the respective paths. Otherwise, the same file can be used, but it needs to be accessible at ...

iOS • Universal Links

Signing the App-Site-Association File

Note: You can skip this part if your server uses HTTPS to serve content and jump to Application Setup guide. If your app targets iOS 9 and your server uses HTTPS to serve content, you don’t need to sign the file. If not (e.g. when supporting Handoff on iOS 8), it has to be signed using a SSL certif...

iOS • Universal Links

Setup iOS Application (Enabling Universal Links)

The setup on the app side requires two things: Configuring the app’s entitlement, and enabling the universal links by turning on the Associated Domains capability in the project. Handling Incoming Links in your AppDelegate. 1. Configuring the app’s entitlement, and enabling universal links. ...

iOS • Universal Links

Custom log file

Mage::log('My log entry', null, 'mylogfile.log'); This wil log to /var/log/mylogfile.log

magento • Logging to file

Default logging

Mage::log('My log entry'); Mage::log('My log message: '.$myVariable); Mage::log($myArray); Mage::log($myObject); This will log to /var/log/system.log Objects and Arrays are automatically written via a print_r() directive. Watch out when using objects since these can get substantial in size. ...

magento • Logging to file

Installation or Setup

Detailed instructions on getting facebook-graph-api set up or installed.

facebook-graph-api • Getting started with facebook-graph-api

Common Pitfalls: Accessing DOM from the `ready()` hook

A common usecase for the ready() hook is to access the DOM, e.g. to initiate a Javascript plugin, get the dimensions of an element etc. The problem Due to Vue's asynchronous DOM update mechanism, it's not guaranteed that the DOM has been fully updated when the ready() hook is called. This usually ...

Vue.js • Lifecycle Hooks

Alternative syntax for control structures

PHP provides an alternative syntax for some control structures: if, while, for, foreach, and switch. When compared to the normal syntax, the difference is, that the opening brace is replaced by a colon (:) and the closing brace is replaced by endif;, endwhile;, endfor;, endforeach;, or endswitch;, ...

PHP • Control Structures

while

while loop iterates through a block of code as long as a specified condition is true. $i = 1; while ($i < 10) { echo $i; $i++; } Output: 123456789 For detailed information, see the Loops topic.

PHP • Control Structures

do-while

do-while loop first executes a block of code once, in every case, then iterates through that block of code as long as a specified condition is true. $i = 0; do { $i++; echo $i; } while ($i < 10); Output: `12345678910` For detailed information, see the Loops topic.

PHP • Control Structures

goto

The goto operator allows to jump to another section in the program. It's available since PHP 5.3. The goto instruction is a goto followed by the desired target label: goto MyLabel;. The target of the jump is specified by a label followed by a colon: MyLabel:. This example will print Hello World!...

PHP • Control Structures

declare

declare is used to set an execution directive for a block of code. The following directives are recognized: ticks encoding strict_types For instance, set ticks to 1: declare(ticks=1); To enable strict type mode, the declare statement is used with the strict_types declaration: declare(s...

PHP • Control Structures