Jannik Spiessens

Jannik Spiessens

Antwerp, Belgium

13,229

Total Points

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Learn more about when and how points are earned.

Skills & Experience

  • Spoken Languages

    • Dutch
    • French
    • English

174 Achievements

  • Achievement

    Trait Collections

    Introduction to Auto Layout in iOS

    Achieved

    Aug 2, 2016

    Trait Collections
  • Achievement

    Inequalities, Content and Priorities

    Introduction to Auto Layout in iOS

    Achieved

    Aug 2, 2016

    Inequalities, Content and Priorities
  • Achievement

    The Constraint Equation

    Introduction to Auto Layout in iOS

    Achieved

    Aug 1, 2016

    The Constraint Equation
  • Achievement

    A History Lesson

    Introduction to Auto Layout in iOS

    Achieved

    Aug 1, 2016

    A History Lesson
  • Achievement

    Asynchronous Error Handling

    Closures in Swift 2

    Achieved

    Jul 25, 2016

    Asynchronous Error Handling
  • Achievement

    Closures in Cocoa Touch

    Closures in Swift 2

    Achieved

    Jul 22, 2016

    Closures in Cocoa Touch
  • Achievement

    Building Standard Library Functions

    Closures in Swift 2

    Achieved

    Jul 17, 2016

    Building Standard Library Functions
  • Achievement

    Closure Expressions

    Closures in Swift 2

    Achieved

    Jul 17, 2016

    Closure Expressions
  • Achievement

    First Class Functions

    Closures in Swift 2

    Achieved

    Jul 16, 2016

    First Class Functions
  • Achievement

    Generics with Swift 2 - Beyond Basics

    Generics in Swift 2

    Achieved

    Jul 12, 2016

    Generics with Swift 2 - Beyond Basics
  • Achievement

    Generics with Swift 2

    Generics in Swift 2

    Achieved

    Jul 12, 2016

    Generics with Swift 2
  • Achievement

    Adding Sound Effects

    Build an Interactive Story App with Swift 2

    Achieved

    Jul 11, 2016

    Adding Sound Effects
  • Achievement

    Refactoring the Model

    Build an Interactive Story App with Swift 2

    Achieved

    Jul 10, 2016

    Refactoring the Model
  • Achievement

    Creating the User Interface Programmatically

    Build an Interactive Story App with Swift 2

    Achieved

    Jul 9, 2016

    Creating the User Interface Programmatically
  • Achievement

    Creating a Story

    Build an Interactive Story App with Swift 2

    Achieved

    Jul 6, 2016

    Creating a Story
  • Achievement

    Navigating Through an Adventure

    Build an Interactive Story App with Swift 2

    Achieved

    Jul 5, 2016

    Navigating Through an Adventure
  • Achievement

    Delegation in iOS

    Delegates in Swift 2

    Achieved

    Jul 4, 2016

    Delegation in iOS
  • Achievement

    Introduction to Delegates

    Delegates in Swift 2

    Achieved

    May 14, 2016

    Introduction to Delegates
  • Achievement

    Memory Management in Swift 2

    Intermediate Swift 2

    Achieved

    May 14, 2016

    Memory Management in Swift 2
  • Achievement

    Extensions and Protocols

    Intermediate Swift 2

    Achieved

    May 8, 2016

    Extensions and Protocols
  • Achievement

    Value Semantics, Type Methods and Inheritance

    Intermediate Swift 2

    Achieved

    May 7, 2016

    Value Semantics, Type Methods and Inheritance
  • Achievement

    Object Initialization in Swift 2

    Intermediate Swift 2

    Achieved

    May 6, 2016

    Object Initialization in Swift 2
  • Achievement

    Properties in Swift 2

    Intermediate Swift 2

    Achieved

    May 5, 2016

    Properties in Swift 2
  • Achievement

    Displaying Additional Views

    Build a Vending Machine App in Swift 2.0

    Achieved

    Apr 26, 2016

    Displaying Additional Views
  • Achievement

    Using the Vending Machine

    Build a Vending Machine App in Swift 2.0

    Achieved

    Apr 26, 2016

    Using the Vending Machine
  • Achievement

    Loading Data From a Resource

    Build a Vending Machine App in Swift 2.0

    Achieved

    Apr 23, 2016

    Loading Data From a Resource
  • Achievement

    Modeling An Interface

    Build a Vending Machine App in Swift 2.0

    Achieved

    Apr 22, 2016

    Modeling An Interface
  • Achievement

    Error Handling in Swift 2.0

    Error Handling in Swift 2.0

    Achieved

    Apr 17, 2016

    Error Handling in Swift 2.0
  • Achievement

    Creating Flexible Objects Using Protocols

    Swift 2.0 Protocols

    Achieved

    Apr 16, 2016

    Creating Flexible Objects Using Protocols
  • Achievement

    Swift 2.0 Protocols

    Swift 2.0 Protocols

    Achieved

    Apr 16, 2016

    Swift 2.0 Protocols
  • Achievement

    Objects and Optionals

    Swift 2.0 Enumerations and Optionals

    Achieved

    Apr 8, 2016

    Objects and Optionals
  • Achievement

    Introduction to Optionals

    Swift 2.0 Enumerations and Optionals

    Achieved

    Apr 8, 2016

    Introduction to Optionals
  • Achievement

    Introduction to Enumerations

    Swift 2.0 Enumerations and Optionals

    Achieved

    Apr 6, 2016

    Introduction to Enumerations
  • Achievement

    Running Apps on a Device

    Build a Simple iPhone App with Swift 2.0

    Achieved

    Apr 5, 2016

    Running Apps on a Device
  • Achievement

    Structs as Data Models

    Build a Simple iPhone App with Swift 2.0

    Achieved

    Apr 5, 2016

    Structs as Data Models
  • Achievement

    Differentiating Between Objects

    Object-Oriented Swift 2.0

    Achieved

    Apr 5, 2016

    Differentiating Between Objects
  • Achievement

    Class Inheritance

    Object-Oriented Swift 2.0

    Achieved

    Apr 5, 2016

    Class Inheritance
  • Achievement

    Classes

    Object-Oriented Swift 2.0

    Achieved

    Apr 5, 2016

    Classes
  • Achievement

    Complex Data Structures

    Object-Oriented Swift 2.0

    Achieved

    Apr 5, 2016

    Complex Data Structures
  • Achievement

    Interacting With Data From the Web

    Build a Weather App with Swift

    Achieved

    Sep 28, 2015

    Interacting With Data From the Web
  • Achievement

    Simple Data Structures

    Build a Weather App with Swift

    Achieved

    Aug 14, 2015

    Simple Data Structures
  • Achievement

    Closures in iOS

    Swift Closures

    Achieved

    Aug 13, 2015

    Closures in iOS
  • Achievement

    Closures and Closure Expressions

    Swift Closures

    Achieved

    Aug 7, 2015

    Closures and Closure Expressions
  • Achievement

    Functions as First Class Citizens

    Swift Closures

    Achieved

    Jul 22, 2015

    Functions as First Class Citizens
  • Achievement

    Refactoring Our Code (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jul 15, 2015

    Refactoring Our Code (Swift)
  • Achievement

    Building the Master and Detail Views (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jul 14, 2015

    Building the Master and Detail Views (Swift)
  • Achievement

    Building a Music Library and Playlists (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jul 14, 2015

    Building a Music Library and Playlists (Swift)
  • Achievement

    Using a Navigation Controller With Segues (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jul 13, 2015

    Using a Navigation Controller With Segues (Swift)
  • Achievement

    Working With Multiple View Controllers (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jul 13, 2015

    Working With Multiple View Controllers (Swift)
  • Achievement

    Deploying to a Device

    Build a Simple iPhone App with Swift

    Achieved

    Jul 10, 2015

    Deploying to a Device
  • Achievement

    Debugging Our App

    Build a Simple iPhone App with Swift

    Achieved

    Jul 10, 2015

    Debugging Our App
  • Achievement

    Improving Our User Interface

    Build a Simple iPhone App with Swift

    Achieved

    Jul 10, 2015

    Improving Our User Interface
  • Achievement

    Using a Data Model

    Build a Simple iPhone App with Swift

    Achieved

    Jul 10, 2015

    Using a Data Model
  • Achievement

    Views and View Controllers

    Build a Simple iPhone App with Swift

    Achieved

    Jul 9, 2015

    Views and View Controllers
  • Achievement

    Getting Started with Xcode

    Build a Simple iPhone App with Swift

    Achieved

    Jul 9, 2015

    Getting Started with Xcode
  • Achievement

    Swift Value vs Reference Types

    Object-Oriented Swift

    Achieved

    Jul 9, 2015

    Swift Value vs Reference Types
  • Achievement

    Swift Properties

    Object-Oriented Swift

    Achieved

    Jul 9, 2015

    Swift Properties
  • Achievement

    Swift Inheritance

    Object-Oriented Swift

    Achieved

    Jul 9, 2015

    Swift Inheritance
  • Achievement

    Swift Classes and Objects

    Object-Oriented Swift

    Achieved

    Jul 6, 2015

    Swift Classes and Objects
  • Achievement

    Swift Structs and their Methods

    Swift Enums and Structs

    Achieved

    Jul 3, 2015

    Swift Structs and their Methods
  • Achievement

    Swift Structs

    Swift Enums and Structs

    Achieved

    Jul 3, 2015

    Swift Structs
  • Achievement

    Swift Enums and their Methods

    Swift Enums and Structs

    Achieved

    Jul 3, 2015

    Swift Enums and their Methods
  • Achievement

    Swift Enums

    Swift Enums and Structs

    Achieved

    Jul 2, 2015

    Swift Enums
  • Achievement

    Graphic Basics

    Technology Foundations

    Achieved

    May 4, 2015

    Graphic Basics
  • Achievement

    WWW

    How the Web Works

    Achieved

    May 4, 2015

    WWW
  • Achievement

    Swift Optionals

    Swift Functions and Optionals

    Achieved

    May 4, 2015

    Swift Optionals
  • Achievement

    Swift Parameters and Tuples

    Swift Functions and Optionals

    Achieved

    May 4, 2015

    Swift Parameters and Tuples
  • Achievement

    Swift Functions

    Swift Functions and Optionals

    Achieved

    May 4, 2015

    Swift Functions
  • Achievement

    Control Flow

    Swift Basics (retired)

    Achieved

    May 2, 2015

    Control Flow
  • Achievement

    Collections

    Swift Basics (retired)

    Achieved

    Apr 29, 2015

    Collections
  • Achievement

    Operators

    Swift Basics (retired)

    Achieved

    Apr 29, 2015

    Operators
  • Achievement

    Types

    Swift Basics (retired)

    Achieved

    Apr 28, 2015

    Types
  • Achievement

    Variables and Constants

    Swift Basics (retired)

    Achieved

    Apr 25, 2015

    Variables and Constants
  • Achievement

    Introduction to Illustrator

    Illustrator Foundations

    Achieved

    Apr 14, 2015

    Introduction to Illustrator
  • Achievement

    Computer Languages

    Computer Basics

    Achieved

    Apr 14, 2015

    Computer Languages
  • Achievement

    Computer Basics

    Computer Basics

    Achieved

    Apr 13, 2015

    Computer Basics
  • Achievement

    Database Security

    PHP & Databases with PDO

    Achieved

    Apr 13, 2015

    Database Security
  • Achievement

    Getting Started with PDO

    PHP & Databases with PDO

    Achieved

    Apr 13, 2015

    Getting Started with PDO
  • Achievement

    Querying the Database

    Using PHP with MySQL

    Achieved

    Mar 30, 2015

    Querying the Database
  • Achievement

    Connecting to MySQL

    Using PHP with MySQL

    Achieved

    Mar 29, 2015

    Connecting to MySQL
  • Achievement

    Securing and Maintaining a MySQL Database

    Database Foundations

    Achieved

    Mar 11, 2015

    Securing and Maintaining a MySQL Database
  • Achievement

    SQL Calculating, Aggregating and Other Functions

    Database Foundations

    Achieved

    Mar 11, 2015

    SQL Calculating, Aggregating and Other Functions
  • Achievement

    Joining Relational Data Between Tables in SQL

    Database Foundations

    Achieved

    Mar 6, 2015

    Joining Relational Data Between Tables in SQL
  • Achievement

    Manipulating Schema with SQL

    Database Foundations

    Achieved

    Feb 22, 2015

    Manipulating Schema with SQL
  • Achievement

    Creating Tables and Manipulating Data with SQL

    Database Foundations

    Achieved

    Feb 19, 2015

    Creating Tables and Manipulating Data with SQL
  • Achievement

    Reading Data from Databases with SQL

    Database Foundations

    Achieved

    Feb 19, 2015

    Reading Data from Databases with SQL
  • Achievement

    Installing MySQL Server and MySQL Workbench

    Database Foundations

    Achieved

    Feb 19, 2015

    Installing MySQL Server and MySQL Workbench
  • Achievement

    Introduction to Data, Databases and SQL

    Database Foundations

    Achieved

    Feb 18, 2015

    Introduction to Data, Databases and SQL
  • Achievement

    Paginating a List: Model and View

    Enhancing a Simple PHP Application

    Achieved

    Feb 18, 2015

    Paginating a List: Model and View
  • Achievement

    Paginating a List: Controller

    Enhancing a Simple PHP Application

    Achieved

    Feb 18, 2015

    Paginating a List: Controller
  • Achievement

    Adding Search: Model

    Enhancing a Simple PHP Application

    Achieved

    Feb 18, 2015

    Adding Search: Model
  • Achievement

    Adding Search: Controller & View

    Enhancing a Simple PHP Application

    Achieved

    Feb 18, 2015

    Adding Search: Controller & View
  • Achievement

    Refactoring the Codebase

    Enhancing a Simple PHP Application

    Achieved

    Feb 18, 2015

    Refactoring the Codebase
  • Achievement

    Cleaning URLs with Rewrite Rules

    Enhancing a Simple PHP Application

    Achieved

    Feb 17, 2015

    Cleaning URLs with Rewrite Rules
  • Achievement

    Cleaning URLs with Subfolders

    Enhancing a Simple PHP Application

    Achieved

    Feb 17, 2015

    Cleaning URLs with Subfolders
  • Achievement

    Integrating Validation Errors

    Enhancing a Simple PHP Application

    Achieved

    Feb 16, 2015

    Integrating Validation Errors
  • Achievement

    Simple PHP Application: Wrapping Up The Project

    Build a Simple PHP Application

    Achieved

    Feb 16, 2015

    Simple PHP Application: Wrapping Up The Project
  • Achievement

    Working with PHP Functions

    Build a Simple PHP Application

    Achieved

    Feb 16, 2015

    Working with PHP Functions
  • Achievement

    Integrating With Paypal

    Build a Simple PHP Application

    Achieved

    Feb 9, 2015

    Integrating With Paypal
  • Achievement

    Listing Inventory Items

    Build a Simple PHP Application

    Achieved

    Feb 5, 2015

    Listing Inventory Items
  • Achievement

    Adding a Contact Form

    Build a Simple PHP Application

    Achieved

    Feb 5, 2015

    Adding a Contact Form
  • Achievement

    Creating the Menu and Footer

    Build a Simple PHP Application

    Achieved

    Feb 3, 2015

    Creating the Menu and Footer
  • Achievement

    Getting Started with PHP

    Build a Simple PHP Application

    Achieved

    Feb 3, 2015

    Getting Started with PHP
  • Achievement

    Forms

    HTML

    Achieved

    Feb 2, 2015

    Forms
  • Achievement

    Tables

    HTML

    Achieved

    Feb 2, 2015

    Tables
  • Achievement

    Objects

    HTML

    Achieved

    Feb 2, 2015

    Objects
  • Achievement

    Links

    HTML

    Achieved

    Feb 2, 2015

    Links
  • Achievement

    Lists

    HTML

    Achieved

    Feb 1, 2015

    Lists
  • Achievement

    Text

    HTML

    Achieved

    Feb 1, 2015

    Text
  • Achievement

    Introduction

    HTML

    Achieved

    Feb 1, 2015

    Introduction
  • Achievement

    Workflows

    Git Basics

    Achieved

    Feb 1, 2015

    Workflows
  • Achievement

    Working With Remote Repositories

    Git Basics

    Achieved

    Feb 1, 2015

    Working With Remote Repositories
  • Achievement

    Merging

    Git Basics

    Achieved

    Feb 1, 2015

    Merging
  • Achievement

    Branches

    Git Basics

    Achieved

    Feb 1, 2015

    Branches
  • Achievement

    Getting Started With Git

    Git Basics

    Achieved

    Feb 1, 2015

    Getting Started With Git
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Feb 1, 2015

    Why Version Control Matters
  • Achievement

    Installing Programs

    Console Foundations

    Achieved

    Jan 31, 2015

    Installing Programs
  • Achievement

    Environment and Redirection

    Console Foundations

    Achieved

    Jan 31, 2015

    Environment and Redirection
  • Achievement

    Console Processes

    Console Foundations

    Achieved

    Jan 24, 2015

    Console Processes
  • Achievement

    Console Users and Permission

    Console Foundations

    Achieved

    Jan 22, 2015

    Console Users and Permission
  • Achievement

    Moving Around in the Console

    Console Foundations

    Achieved

    Jan 19, 2015

    Moving Around in the Console
  • Achievement

    Chrome DevTools Basics

    Website Optimization

    Achieved

    Jan 19, 2015

    Chrome DevTools Basics
  • Achievement

    Web Apps

    Accessibility

    Achieved

    Jan 18, 2015

    Web Apps
  • Achievement

    Websites

    Accessibility

    Achieved

    Jan 18, 2015

    Websites
  • Achievement

    Introduction

    Accessibility

    Achieved

    Jan 18, 2015

    Introduction
  • Achievement

    AJAX and APIs

    AJAX Basics (retiring)

    Achieved

    Jan 18, 2015

    AJAX and APIs
  • Achievement

    jQuery and AJAX

    AJAX Basics (retiring)

    Achieved

    Jan 18, 2015

    jQuery and AJAX
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Jan 18, 2015

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Jan 16, 2015

    AJAX Concepts
  • Achievement

    Custom Media Players

    HTML Video and Audio (Retired)

    Achieved

    Jan 14, 2015

    Custom Media Players
  • Achievement

    Captioning Video

    HTML Video and Audio (Retired)

    Achieved

    Jan 14, 2015

    Captioning Video
  • Achievement

    Media Basics

    HTML Video and Audio (Retired)

    Achieved

    Jan 14, 2015

    Media Basics
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Jan 13, 2015

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Jan 13, 2015

    Table Basics
  • Achievement

    Creating a Simple Drawing Application

    jQuery Basics (2014)

    Achieved

    Jan 13, 2015

    Creating a Simple Drawing Application
  • Achievement

    Creating a Password Confirmation Form

    jQuery Basics (2014)

    Achieved

    Jan 13, 2015

    Creating a Password Confirmation Form
  • Achievement

    Creating a Mobile Drop Down Menu

    jQuery Basics (2014)

    Achieved

    Jan 10, 2015

    Creating a Mobile Drop Down Menu
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Jan 10, 2015

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Jan 6, 2015

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Jan 6, 2015

    Introduction to jQuery
  • Achievement

    Traversing and Manipulating the DOM with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Jan 1, 2015

    Traversing and Manipulating the DOM with JavaScript
  • Achievement

    Selecting Elements and Adding Events with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Dec 30, 2014

    Selecting Elements and Adding Events with JavaScript
  • Achievement

    JavaScript and the DOM

    Interactive Web Pages with JavaScript

    Achieved

    Dec 30, 2014

    JavaScript and the DOM
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Dec 30, 2014

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Dec 30, 2014

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Dec 30, 2014

    Form Basics
  • Achievement

    JavaScript Objects

    JavaScript Foundations

    Achieved

    Dec 30, 2014

    JavaScript Objects
  • Achievement

    JavaScript Functions

    JavaScript Foundations

    Achieved

    Dec 29, 2014

    JavaScript Functions
  • Achievement

    JavaScript Arrays

    JavaScript Foundations

    Achieved

    Dec 29, 2014

    JavaScript Arrays
  • Achievement

    JavaScript Numbers

    JavaScript Foundations

    Achieved

    Dec 29, 2014

    JavaScript Numbers
  • Achievement

    JavaScript Strings

    JavaScript Foundations

    Achieved

    Dec 28, 2014

    JavaScript Strings
  • Achievement

    Introduction Variables

    JavaScript Foundations

    Achieved

    Dec 28, 2014

    Introduction Variables
  • Achievement

    Functions

    Introduction to Programming

    Achieved

    Dec 27, 2014

    Functions
  • Achievement

    Objects and Arrays

    Introduction to Programming

    Achieved

    Dec 27, 2014

    Objects and Arrays
  • Achievement

    Control Structures

    Introduction to Programming

    Achieved

    Dec 27, 2014

    Control Structures
  • Achievement

    Basics

    Introduction to Programming

    Achieved

    Dec 27, 2014

    Basics
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Dec 27, 2014

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Dec 27, 2014

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Dec 27, 2014

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Dec 27, 2014

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Dec 27, 2014

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Dec 26, 2014

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Dec 26, 2014

    Getting Started with CSS
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Dec 26, 2014

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Dec 26, 2014

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Dec 26, 2014

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Dec 25, 2014

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Dec 25, 2014

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Dec 25, 2014

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Dec 25, 2014

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Dec 24, 2014

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Dec 24, 2014

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Dec 24, 2014

    Beginning HTML and CSS
  • Achievement

    Newbie

    Achieved

    Dec 24, 2014

    Newbie