g00glen00b

Tutorials by IT enthusiasts, for enthusiasts

Tutorials about the most trendy and popular Java and JavaScript frameworks.

Recent tutorials

Building mobile apps with Dojo mobile (router)

In the previous tutorial in this series I told you how to set up your project and we already provided our app with some data. Before we actually start writing the application and its behavior, I’m going to write the “glue” between the controllers, the router. Dojo mobile already has a way to transition between […]

More Info

Building mobile apps with Dojo mobile (model)

After a lot of tutorials and guides written in Dutch, I thought it was the time to write some English tutorials as well. In this tutorial I’ll show you how to create an application using Dojo with Dojo mobile. I will not talk about frameworks like dojox/app* or dojox/mvc*, but I will tend to create […]

More Info

Dojo promises & Deferreds

It’s already a while ago I wrote my last tutorial, so it’s time for the next one now. In this tutorial I’m going to talk about the Dojo Deferred module, in the JavaScript world also known as promises. As you probably know by now is that JavaScript is a language that makes it easy to […]

More Info

Dojo inheritance, overriding & extending

Dojo is a decent JavaScript framework offering a lot of functionality. One of its biggest trumphs is the possibility to extend modules in an easy way through mixin inheritance. In this tutorial I’m going to show you how you can extend a widget with extra functionality.

More Info

Dojo publisher & subscriber

As a third tutorial about Dojo this month I’m going to talk about a very common design pattern called the observer/observable pattern or also known as the publisher/subscriber pattern. JavaScript is a primary event driven language, the problem that occurs often is that one event might trigger multiple actions. When you have to deal with […]

More Info

Dojo require vs define

I didn’t exactly plan on writin this, but after a question from an intern, I thought it might be interesting to exaplain the difference between require() and define(). Every developer who has used Dojo or even another JavaScript framework/platform like Node.js and RequireJS, knows that one time or another, you need to load your modules. In Dojo they chose […]

More Info

Dojo domReady vs ready

One of the biggest misconceptions in Dojo is what module to choose to create a document-on-load event handler. In Dojo there are two modules that are commonly used, called dojo/ready and dojo/domReady. In this small tutorial I will explain you what the differences are and in what situation you should use them.

More Info

JavaScript unit testing met Jasmine

Een tijd geleden (rond Januari) heb ik enkele tutorials geschreven over hoe je Java code kan unit testen. In deze tutorial is het tijd om eens een andere taal te unit testen, namelijk JavaScript. Voor JavaScript heb je een groot aanbod aan unit testing frameworks waar momenteel (jammer misschien) nog niet teveel standaarden rond zijn. […]

More Info

Folder icon met Adobe Photoshop

Na meer dan 50 tutorials over development te schrijven is het eens tijd voor iets anders. Naast development ga ik vanaf vandaag een oude hobby hervatten en enkele tutorials rond Photoshop (of misschien zelfs GIMP) schrijven. In deze eerste tutorial ga ik je tonen hoe je een map-icoon kan maken in enkele stappen.

More Info

Get started with learning

View more than one-hundred online tutorials, for free.

Most comments

AngularJS $http and dates

When you’re writing AngularJS applications, chances are that you’re going to have to consume a REST API. If you’re as lucky as me you’ll encounter a situation where you’ll have to read dates. However, while Date objects are a part of the standard JavaScript specs, it’s not a part of the JSON spec. So… how […]

E2E testing with Nightwatch.js

A while back I wrote some tutorials about E2E testing with FluentLenium (Java), E2E testing for Meteor using Velocity and recently E2E testing AngularJS applications using Protractor. Today I’m also going to test an AngularJS application, but this time I will be using Nightwatch.js. While Nightwatch.js is not made specifically for AngularJS applications, you can […]

Writing a chat application with Meteor

A few days ago I gave an introduction to Meteor for students of UCLL starting of with an empty project and building a complete chat application in the process. The application we’re going to build will look like this:

Een eenvoudige webserver met Node.js

In deze tweede tutorial rond Node.js ga ik een eenvoudige webserver maken met logging. In deze tutorial ga ik de modules http, url en fs gebruiken, maar tevens een module via de Node.js package manager (NPM).

Write a widget using Dojo (demo)

In the previous tutorials we wrote our entire module using Dojo. In this tutorial I will finish the entire application by providing a HTML page and giving a demonstration of the application.

Latest News

Spring tutorials

Spring is one of the most popular frameworks for Java development. The tutorials on this blog cover various aspects of developing web applications with Spring, like Spring Web MVC, Spring Boot, Spring Data, Spring Security, ... .

Go to Spring tutorials

AngularJS tutorials

JavaScript is quite popular lately and developing large scaled application became really easy thanks to the various frameworks popping everywhere. AngularJS, made by the folks of Google is one of these frameworks and within the tutorials I'm covering the basics of AngularJS.

Go to AngularJS tutorials

JavaScript tutorials

Recently, a lot of frameworks started to pop out of nowhere. It is hard to follow up with the latest frameworks, but with these tutorials I try to cover the basics of most frameworks like Ember.js, React.js, AngularJS, Dojo, D3, ... .

Go to JavaScript tutorials