Linda de Haan

Member Since September 4, 2017

12,089

Total Points

•
3,848

C#

3843 pts
Achievements

5 pts
Forum
•
2,996

Java

2956 pts
Achievements

40 pts
Forum
•
1,467

JavaScript

1449 pts
Achievements

18 pts
Forum
•
1,440

Databases

1440 pts
Achievements

0 pts
Forum
•
1,152

Android

1150 pts
Achievements

2 pts
Forum
•
60

Development Tools

60 pts
Achievements

0 pts
Forum
•
44

APIs

44 pts
Achievements

0 pts
Forum
•
1

CSS

1 pts
Achievements

0 pts
Forum
•
0

21st Century Skills

0 pts
Achievements

0 pts
Forum
•
0

Equity, Diversity, and Inclusion (EDI)

0 pts
Achievements

0 pts
Forum
•
0

Computer Science

0 pts
Achievements

0 pts
Forum
•
0

Learning Resources

0 pts
Achievements

0 pts
Forum
•
0

Machine Learning

0 pts
Achievements

0 pts
Forum
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0

Quality Assurance

0 pts
Achievements

0 pts
Forum
•
0

Go

0 pts
Achievements

0 pts
Forum
•
0

Security

0 pts
Achievements

0 pts
Forum
•
0

Data Analysis

0 pts
Achievements

0 pts
Forum
•
0

Digital Literacy

0 pts
Achievements

0 pts
Forum
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0

Python

0 pts
Achievements

0 pts
Forum
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0

Business

0 pts
Achievements

0 pts
Forum
•
0

PHP

0 pts
Achievements

0 pts
Forum
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0

Ruby

0 pts
Achievements

0 pts
Forum
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0

Design

0 pts
Achievements

0 pts
Forum
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0

HTML

0 pts
Achievements

0 pts
Forum

Points are earned whenever you take an important action on Treehouse.
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Skills & Experience

Spoken Languages
- Dutch
- English
Looking for work

Yes

142 Achievements

Achievement
React Router and Authentication

React Authentication

Achieved
Nov 27, 2019
Achievement
Implementing Basic Authentication

React Authentication

Achieved
Nov 26, 2019
Achievement
Introducing the Authentication Project

React Authentication

Achieved
Nov 26, 2019
Achievement
Going Further with Routing

React Router 4 Basics

Achieved
Nov 25, 2019
Achievement
Navigating, Nesting and Redirecting Routes

React Router 4 Basics

Achieved
Nov 25, 2019
Achievement
Getting Started with React Router

React Router 4 Basics

Achieved
Nov 25, 2019
Achievement
React Component Patterns

React Components

Achieved
Nov 24, 2019
Achievement
Stateful Components and Lifecycle Methods

React Components

Achieved
Nov 17, 2019
Achievement
Managing State and Data Flow

React Components

Achieved
Nov 17, 2019
Achievement
Build Modular Interfaces with Components

React Components

Achieved
Nov 17, 2019
Achievement
Stateful Components

React Basics

Achieved
Nov 16, 2019
Achievement
Introducing Props

React Basics

Achieved
Nov 16, 2019
Achievement
Thinking in Components

React Basics

Achieved
Nov 16, 2019
Achievement
First Steps in React

React Basics

Achieved
Nov 16, 2019
Achievement
Planning Our Service

Building Services with ASP.NET Web API

Achieved
Mar 27, 2019
Achievement
Segmenting and Protecting Data

User Authentication with ASP.NET Identity

Achieved
Mar 25, 2019
Achievement
Adding User Sign-In and Sign-Out

User Authentication with ASP.NET Identity

Achieved
Mar 25, 2019
Achievement
Adding User Registration

User Authentication with ASP.NET Identity

Achieved
Mar 22, 2019
Achievement
Introducing ASP.NET Identity

User Authentication with ASP.NET Identity

Achieved
Mar 22, 2019
Achievement
Completing the Project

Entity Framework with ASP.NET MVC

Achieved
Mar 22, 2019
Achievement
Data Access Design Patterns

Entity Framework with ASP.NET MVC

Achieved
Mar 22, 2019
Achievement
Entity Framework and ASP.NET MVC

Entity Framework with ASP.NET MVC

Achieved
Mar 19, 2019
Achievement
Project Setup

Entity Framework with ASP.NET MVC

Achieved
Mar 18, 2019
Achievement
CRUD Operations

Entity Framework Basics

Achieved
Mar 12, 2019
Achievement
LINQ Queries

Entity Framework Basics

Achieved
Mar 11, 2019
Achievement
Extending Our Entity Data Model

Entity Framework Basics

Achieved
Mar 11, 2019
Achievement
Entity Framework and Databases

Entity Framework Basics

Achieved
Mar 11, 2019
Achievement
Introducing Entity Framework

Entity Framework Basics

Achieved
Mar 11, 2019
Achievement
Sets and Dictionaries

C# Collections

Achieved
Mar 8, 2019
Achievement
Lists

C# Collections

Achieved
Mar 7, 2019
Achievement
Arrays

C# Collections

Achieved
Mar 7, 2019
Achievement
Data Retreiver

C# Streams and Data Processing

Achieved
Mar 7, 2019
Achievement
Serialized!

C# Streams and Data Processing

Achieved
Mar 5, 2019
Achievement
Data Parser

C# Streams and Data Processing

Achieved
Mar 5, 2019
Achievement
Data Reader

C# Streams and Data Processing

Achieved
Mar 2, 2019
Achievement
Abstraction

Intermediate C#

Achieved
Feb 27, 2019
Achievement
System.Object

Intermediate C#

Achieved
Feb 26, 2019
Achievement
Polymorphism

Intermediate C#

Achieved
Feb 26, 2019
Achievement
Loops and Final Touches

C# Objects

Achieved
Feb 25, 2019
Achievement
Encapsulation with Properties

C# Objects

Achieved
Feb 25, 2019
Achievement
Encapsulation and Arrays

C# Objects

Achieved
Feb 25, 2019
Achievement
Inheritance

C# Objects

Achieved
Feb 25, 2019
Achievement
Methods

C# Objects

Achieved
Feb 25, 2019
Achievement
Object-Oriented Programming

C# Objects

Achieved
Feb 25, 2019
Achievement
Perfect

C# Basics (Retired)

Achieved
Feb 24, 2019
Achievement
Perform

C# Basics (Retired)

Achieved
Feb 23, 2019
Achievement
Console I/O

C# Basics (Retired)

Achieved
Feb 23, 2019
Achievement
Prepare and Plan

C# Basics (Retired)

Achieved
Feb 23, 2019
Achievement
Finishing Our CRUD Web App

ASP.NET MVC Forms

Achieved
Feb 7, 2019
Achievement
Adding Form Validation

ASP.NET MVC Forms

Achieved
Feb 7, 2019
Achievement
Improving Our Form

ASP.NET MVC Forms

Achieved
Feb 7, 2019
Achievement
Creating a Basic Form

ASP.NET MVC Forms

Achieved
Feb 6, 2019
Achievement
Introducing CRUD Applications

ASP.NET MVC Forms

Achieved
Feb 6, 2019
Achievement
Adding a List Page

ASP.NET MVC Basics

Achieved
Feb 4, 2019
Achievement
Modeling and Presenting Data

ASP.NET MVC Basics

Achieved
Feb 4, 2019
Achievement
Views

ASP.NET MVC Basics

Achieved
Feb 3, 2019
Achievement
Controllers

ASP.NET MVC Basics

Achieved
Feb 2, 2019
Achievement
Project Setup

ASP.NET MVC Basics

Achieved
Feb 1, 2019
Achievement
Adding the UI

Kotlin and Anko

Achieved
Jan 6, 2019
Achievement
Learning Anko

Kotlin and Anko

Achieved
Jan 4, 2019
Achievement
Is This Thing On?

Kotlin for Java Developers

Achieved
Jan 3, 2019
Achievement
Putting It All Together

Kotlin for Java Developers

Achieved
Jan 3, 2019
Achievement
Modelling Solitaire

Kotlin for Java Developers

Achieved
Jan 2, 2019
Achievement
Hello Kotlin!

Kotlin for Java Developers

Achieved
Jan 2, 2019
Achievement
File Uploads and Entity Updates in Spring + Hibernate

Spring with Hibernate

Achieved
Jul 15, 2018
Achievement
User Messages in Spring

Spring with Hibernate

Achieved
Jul 14, 2018
Achievement
Getting Started with CRUD in Spring + Hibernate

Spring with Hibernate

Achieved
Jul 14, 2018
Achievement
Data-Driven Application Design

Spring with Hibernate

Achieved
Jul 14, 2018
Achievement
Integrating Hibernate with Spring

Spring with Hibernate

Achieved
Jul 10, 2018
Achievement
Persisting Data with Hibernate

Hibernate Basics

Achieved
Jul 10, 2018
Achievement
Getting Started with Hibernate

Hibernate Basics

Achieved
Jul 9, 2018
Achievement
Data Persistence & ORMs

Hibernate Basics

Achieved
Jul 8, 2018
Achievement
Using the MVC Architecture with Spring

Spring Basics

Achieved
Jul 6, 2018
Achievement
Modeling, Storing, and Presenting Data with Spring

Spring Basics

Achieved
Jul 5, 2018
Achievement
Creating Spring Controllers and Thymeleaf Views

Spring Basics

Achieved
Jul 5, 2018
Achievement
Spring Components and Configuring Our App

Spring Basics

Achieved
Jul 4, 2018
Achievement
Setting Up Your Local Environment for Spring Development

Spring Basics

Achieved
May 29, 2018
Achievement
Angular Form Validation

Angular Basics

Achieved
Feb 23, 2018
Achievement
Angular Basic Forms

Angular Basics

Achieved
Feb 23, 2018
Achievement
Services in Angular

Angular Basics

Achieved
Feb 23, 2018
Achievement
Angular Components

Angular Basics

Achieved
Feb 22, 2018
Achievement
Setting Up an Angular Application

Angular Basics

Achieved
Feb 21, 2018
Achievement
Introducing the Watson APIs

Build a Chatbot with Watson APIs

Achieved
Feb 21, 2018
Achievement
Day 3: Getting Creative

SQL Reporting by Example

Achieved
Feb 19, 2018
Achievement
Day 2: Advanced Selecting

SQL Reporting by Example

Achieved
Feb 19, 2018
Achievement
Day 1: Joining Tables

SQL Reporting by Example

Achieved
Feb 19, 2018
Achievement
Orientation: Selecting Data

SQL Reporting by Example

Achieved
Feb 19, 2018
Achievement
Subqueries

Querying Relational Databases

Achieved
Feb 19, 2018
Achievement
Set Operations

Querying Relational Databases

Achieved
Feb 17, 2018
Achievement
Joining Table Data with SQL

Querying Relational Databases

Achieved
Feb 17, 2018
Achievement
Table Relationships

Querying Relational Databases

Achieved
Feb 17, 2018
Achievement
Database Keys

Querying Relational Databases

Achieved
Feb 17, 2018
Achievement
Database Normalization

Querying Relational Databases

Achieved
Feb 17, 2018
Achievement
Date and Time Functions

Reporting with SQL

Achieved
Feb 16, 2018
Achievement
Aggregate and Numeric Functions

Reporting with SQL

Achieved
Feb 16, 2018
Achievement
Working with Text

Reporting with SQL

Achieved
Feb 16, 2018
Achievement
Ordering, Limiting and Paging Results

Reporting with SQL

Achieved
Feb 16, 2018
Achievement
Handling Errors When Manipulating Data

Modifying Data with SQL

Achieved
Feb 16, 2018
Achievement
Deleting Data from a Database

Modifying Data with SQL

Achieved
Feb 16, 2018
Achievement
Updating Data in a Database

Modifying Data with SQL

Achieved
Feb 16, 2018
Achievement
Adding Data to a Database

Modifying Data with SQL

Achieved
Feb 16, 2018
Achievement
Finding the Data You Want

SQL Basics

Achieved
Feb 16, 2018
Achievement
Getting Data from a Database

SQL Basics

Achieved
Feb 15, 2018
Achievement
Data, Databases and SQL

SQL Basics

Achieved
Feb 15, 2018
Achievement
The Rest of the Story

Build an Interactive Story App

Achieved
Feb 4, 2018
Achievement
Finishing the User Interface

Build an Interactive Story App

Achieved
Feb 4, 2018
Achievement
The Model-View-Presenter Pattern

Build an Interactive Story App

Achieved
Feb 4, 2018
Achievement
Intents and Multiple Activities

Build an Interactive Story App

Achieved
Feb 4, 2018
Achievement
Tuning the User Interface

Build an Interactive Story App

Achieved
Feb 4, 2018
Achievement
User Input in Android

Build an Interactive Story App

Achieved
Feb 4, 2018
Achievement
Testing and Debugging

Build a Simple Android App with Java

Achieved
Feb 3, 2018
Achievement
Improving Our Code

Build a Simple Android App with Java

Achieved
Feb 3, 2018
Achievement
Basic Android Programming

Build a Simple Android App with Java

Achieved
Feb 3, 2018
Achievement
Creating the Screen Layout

Build a Simple Android App with Java

Achieved
Feb 3, 2018
Achievement
Getting Started with Android

Build a Simple Android App with Java

Achieved
Feb 3, 2018
Achievement
Event Planning

Build a JavaFX Application

Achieved
Nov 22, 2017
Achievement
Build a Pomodoro App

Build a JavaFX Application

Achieved
Nov 22, 2017
Achievement
Design a Better App

Build a JavaFX Application

Achieved
Nov 22, 2017
Achievement
Graphical User Interfaces

Build a JavaFX Application

Achieved
Nov 21, 2017
Achievement
Advanced Tooling

Local Development Environments

Achieved
Nov 21, 2017
Achievement
IDE Exploration

Local Development Environments

Achieved
Nov 20, 2017
Achievement
How it Works

Local Development Environments

Achieved
Nov 20, 2017
Achievement
Efficiency!

Java Data Structures

Achieved
Nov 19, 2017
Achievement
Exploring the Java Collections Framework

Java Data Structures

Achieved
Nov 15, 2017
Achievement
Organizing Data

Java Data Structures

Achieved
Nov 14, 2017
Achievement
Getting There

Java Data Structures

Achieved
Nov 13, 2017
Achievement
Gotchas and Wins

Java Arrays

Achieved
Nov 11, 2017
Achievement
Iteration

Java Arrays

Achieved
Nov 11, 2017
Achievement
Creation

Java Arrays

Achieved
Nov 11, 2017
Achievement
Delivering the MVP

Java Objects

Achieved
Nov 11, 2017
Achievement
Creating the MVP

Java Objects

Achieved
Nov 10, 2017
Achievement
Harnessing the Power of Objects

Java Objects

Achieved
Nov 10, 2017
Achievement
Meet Objects

Java Objects

Achieved
Nov 9, 2017
Achievement
Perfecting the Prototype

Java Basics

Achieved
Nov 9, 2017
Achievement
Using your New Tools

Java Basics

Achieved
Nov 9, 2017
Achievement
Getting Started with Java

Java Basics

Achieved
Nov 9, 2017
Achievement
Improving Our Todo App

AngularJS Basics (1.x)

Achieved
Sep 10, 2017
Achievement
Services in Angular

AngularJS Basics (1.x)

Achieved
Sep 8, 2017
Achievement
Using Angular's Built-in Directives

AngularJS Basics (1.x)

Achieved
Sep 7, 2017
Achievement
Controllers and Scope

AngularJS Basics (1.x)

Achieved
Sep 6, 2017
Achievement
Getting Started with Angular

AngularJS Basics (1.x)

Achieved
Sep 4, 2017
Achievement
Newbie

Achieved
Sep 4, 2017