mkooij

mkooij

Arnhem

8,886

Total Points

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

Skills & Experience

  • Job Title

    Application Developer

  • Spoken Languages

    • Dutch
    • English

100 Achievements

  • Achievement

    Entity Framework and Databases

    Entity Framework Basics

    Achieved

    Apr 13, 2018

    Entity Framework and Databases
  • Achievement

    Introducing Entity Framework

    Entity Framework Basics

    Achieved

    Apr 13, 2018

    Introducing Entity Framework
  • Achievement

    Finishing Our CRUD Web App

    ASP.NET MVC Forms

    Achieved

    Apr 12, 2018

    Finishing Our CRUD Web App
  • Achievement

    Adding Form Validation

    ASP.NET MVC Forms

    Achieved

    Apr 12, 2018

    Adding Form Validation
  • Achievement

    Improving Our Form

    ASP.NET MVC Forms

    Achieved

    Apr 11, 2018

    Improving Our Form
  • Achievement

    Creating a Basic Form

    ASP.NET MVC Forms

    Achieved

    Apr 4, 2018

    Creating a Basic Form
  • Achievement

    Introducing CRUD Applications

    ASP.NET MVC Forms

    Achieved

    Apr 3, 2018

    Introducing CRUD Applications
  • Achievement

    Adding a List Page

    ASP.NET MVC Basics

    Achieved

    Mar 30, 2018

    Adding a List Page
  • Achievement

    Modeling and Presenting Data

    ASP.NET MVC Basics

    Achieved

    Mar 28, 2018

    Modeling and Presenting Data
  • Achievement

    Views

    ASP.NET MVC Basics

    Achieved

    Mar 27, 2018

    Views
  • Achievement

    Controllers

    ASP.NET MVC Basics

    Achieved

    Mar 27, 2018

    Controllers
  • Achievement

    Project Setup

    ASP.NET MVC Basics

    Achieved

    Mar 27, 2018

    Project Setup
  • Achievement

    Loops and Final Touches

    C# Objects

    Achieved

    Mar 16, 2018

    Loops and Final Touches
  • Achievement

    Introducing JavaScript

    Introducing JavaScript

    Achieved

    Feb 3, 2018

    Introducing JavaScript
  • Achievement

    Encapsulation with Properties

    C# Objects

    Achieved

    Jan 29, 2018

    Encapsulation with Properties
  • Achievement

    Encapsulation and Arrays

    C# Objects

    Achieved

    Jan 29, 2018

    Encapsulation and Arrays
  • Achievement

    Inheritance

    C# Objects

    Achieved

    Jan 29, 2018

    Inheritance
  • Achievement

    Methods

    C# Objects

    Achieved

    Jan 26, 2018

    Methods
  • Achievement

    Object-Oriented Programming

    C# Objects

    Achieved

    Jan 26, 2018

    Object-Oriented Programming
  • Achievement

    Perfect

    C# Basics (Retired)

    Achieved

    Jan 25, 2018

    Perfect
  • Achievement

    Building the Recipe

    Object-Oriented PHP Basics

    Achieved

    Jun 21, 2017

    Building the Recipe
  • Achievement

    Understanding Classes

    Object-Oriented PHP Basics

    Achieved

    Jun 15, 2017

    Understanding Classes
  • Achievement

    Why Object-Oriented Programming?

    Object-Oriented PHP Basics

    Achieved

    Jun 15, 2017

    Why Object-Oriented Programming?
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Jun 1, 2017

    HTML: The Structural Foundation of Web Pages and Applications
  • Achievement

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Jun 1, 2017

    Getting Familiar with HTML and CSS
  • Achievement

    Project Setup

    CRUD Operations with PHP

    Achieved

    May 24, 2017

    Project Setup
  • Achievement

    PHP Internal Functions

    PHP Functions

    Achieved

    May 23, 2017

    PHP Internal Functions
  • Achievement

    PHP Returns & Closures

    PHP Functions

    Achieved

    May 23, 2017

    PHP Returns & Closures
  • Achievement

    PHP Functions Basics

    PHP Functions

    Achieved

    May 23, 2017

    PHP Functions Basics
  • Achievement

    PHP Loops

    PHP Arrays and Control Structures

    Achieved

    May 22, 2017

    PHP Loops
  • Achievement

    PHP Arrays

    PHP Arrays and Control Structures

    Achieved

    May 18, 2017

    PHP Arrays
  • Achievement

    PHP Conditionals

    PHP Arrays and Control Structures

    Achieved

    May 17, 2017

    PHP Conditionals
  • Achievement

    PHP on the Web

    PHP Basics

    Achieved

    May 15, 2017

    PHP on the Web
  • Achievement

    Daily Exercise Program

    PHP Basics

    Achieved

    May 15, 2017

    Daily Exercise Program
  • Achievement

    Unit Converter

    PHP Basics

    Achieved

    May 12, 2017

    Unit Converter
  • Achievement

    Getting to Know PHP

    PHP Basics

    Achieved

    May 9, 2017

    Getting to Know PHP
  • Achievement

    Perform

    C# Basics (Retired)

    Achieved

    Dec 12, 2016

    Perform
  • Achievement

    Console I/O

    C# Basics (Retired)

    Achieved

    Dec 9, 2016

    Console I/O
  • Achievement

    Prepare and Plan

    C# Basics (Retired)

    Achieved

    Nov 30, 2016

    Prepare and Plan
  • Achievement

    Working By Yourself

    GitHub Basics

    Achieved

    Nov 30, 2016

    Working By Yourself
  • Achievement

    Hello, GitHub!

    GitHub Basics

    Achieved

    Nov 25, 2016

    Hello, GitHub!
  • Achievement

    Workflows

    Git Basics

    Achieved

    Nov 24, 2016

    Workflows
  • Achievement

    Working With Remote Repositories

    Git Basics

    Achieved

    Nov 24, 2016

    Working With Remote Repositories
  • Achievement

    Merging

    Git Basics

    Achieved

    Nov 23, 2016

    Merging
  • Achievement

    Branches

    Git Basics

    Achieved

    Nov 23, 2016

    Branches
  • Achievement

    Getting Started With Git

    Git Basics

    Achieved

    Nov 23, 2016

    Getting Started With Git
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Nov 21, 2016

    Why Version Control Matters
  • Achievement

    Installing Programs

    Console Foundations

    Achieved

    Nov 17, 2016

    Installing Programs
  • Achievement

    Environment and Redirection

    Console Foundations

    Achieved

    Nov 17, 2016

    Environment and Redirection
  • Achievement

    Console Processes

    Console Foundations

    Achieved

    Nov 16, 2016

    Console Processes
  • Achievement

    Console Users and Permission

    Console Foundations

    Achieved

    Nov 16, 2016

    Console Users and Permission
  • Achievement

    Moving Around in the Console

    Console Foundations

    Achieved

    Nov 15, 2016

    Moving Around in the Console
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Nov 15, 2016

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Nov 14, 2016

    JavaScript Arrays
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Nov 2, 2016

    JavaScript Loops
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Oct 26, 2016

    JavaScript Functions
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Oct 25, 2016

    JavaScript Conditional Statements
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Oct 24, 2016

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Oct 24, 2016

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Oct 18, 2016

    Introducing JavaScript
  • Achievement

    CSS Layout Project

    CSS Layout Basics

    Achieved

    Oct 6, 2016

    CSS Layout Project
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Sep 5, 2016

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Jul 12, 2016

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Jun 26, 2016

    Getting Started with CSS Layout
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Jun 21, 2016

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Jun 21, 2016

    Table Basics
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Jun 21, 2016

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Jun 21, 2016

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Jun 20, 2016

    Form Basics
  • Achievement

    Advanced Selectors

    CSS Selectors

    Achieved

    Jun 20, 2016

    Advanced Selectors
  • Achievement

    Going Further with Attribute Selectors and Pseudo-Classes

    CSS Selectors

    Achieved

    Jun 20, 2016

    Going Further with Attribute Selectors and Pseudo-Classes
  • Achievement

    Selectors - Beyond the Basics

    CSS Selectors

    Achieved

    Jun 20, 2016

    Selectors - Beyond the Basics
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Jun 8, 2016

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Jun 8, 2016

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Jun 7, 2016

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Jun 7, 2016

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Jun 6, 2016

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Jun 6, 2016

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Jun 2, 2016

    Getting Started with CSS
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    May 28, 2016

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    May 28, 2016

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    May 28, 2016

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    May 27, 2016

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    May 26, 2016

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    May 24, 2016

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    May 24, 2016

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    May 22, 2016

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    May 21, 2016

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    May 20, 2016

    Beginning HTML and CSS
  • Achievement

    MASH JavaScript

    Treehouse Club - MASH

    Achieved

    May 20, 2016

    MASH JavaScript
  • Achievement

    MASH CSS

    Treehouse Club - MASH

    Achieved

    May 20, 2016

    MASH CSS
  • Achievement

    MASH HTML

    Treehouse Club - MASH

    Achieved

    May 19, 2016

    MASH HTML
  • Achievement

    Treehouse Club - JavaScript

    Treehouse Club: JavaScript

    Achieved

    May 19, 2016

    Treehouse Club - JavaScript
  • Achievement

    Treehouse Club - CSS

    Treehouse Club: CSS

    Achieved

    May 19, 2016

    Treehouse Club - CSS
  • Achievement

    Welcome to the Treehouse Club

    Treehouse Club: HTML

    Achieved

    May 19, 2016

    Welcome to the Treehouse Club
  • Achievement

    WWW

    How the Web Works

    Achieved

    May 18, 2016

    WWW
  • Achievement

    The Internet

    How the Internet Works

    Achieved

    May 18, 2016

    The Internet
  • Achievement

    Computer Languages

    Computer Basics

    Achieved

    May 18, 2016

    Computer Languages
  • Achievement

    Computer Basics

    Computer Basics

    Achieved

    May 18, 2016

    Computer Basics
  • Achievement

    Newbie

    Achieved

    May 18, 2016

    Newbie