Linda de Haan

Linda de Haan

Member Since September 4, 2017

12,089

Total Points

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Learn more about when and how points are earned.

Skills & Experience

  • Spoken Languages

    • Dutch
    • English

  • Looking for work

    Yes

142 Achievements

  • Achievement

    React Router and Authentication

    React Authentication

    Achieved

    Nov 27, 2019

    React Router and Authentication
  • Achievement

    Implementing Basic Authentication

    React Authentication

    Achieved

    Nov 26, 2019

    Implementing Basic Authentication
  • Achievement

    Introducing the Authentication Project

    React Authentication

    Achieved

    Nov 26, 2019

    Introducing the Authentication Project
  • Achievement

    Going Further with Routing

    React Router 4 Basics

    Achieved

    Nov 25, 2019

    Going Further with Routing
  • Achievement

    Navigating, Nesting and Redirecting Routes

    React Router 4 Basics

    Achieved

    Nov 25, 2019

    Navigating, Nesting and Redirecting Routes
  • Achievement

    Getting Started with React Router

    React Router 4 Basics

    Achieved

    Nov 25, 2019

    Getting Started with React Router
  • Achievement

    React Component Patterns

    React Components (2018)

    Achieved

    Nov 24, 2019

    React Component Patterns
  • Achievement

    Stateful Components and Lifecycle Methods

    React Components (2018)

    Achieved

    Nov 17, 2019

    Stateful Components and Lifecycle Methods
  • Achievement

    Managing State and Data Flow

    React Components (2018)

    Achieved

    Nov 17, 2019

    Managing State and Data Flow
  • Achievement

    Build Modular Interfaces with Components

    React Components (2018)

    Achieved

    Nov 17, 2019

    Build Modular Interfaces with Components
  • Achievement

    Stateful Components

    React Basics

    Achieved

    Nov 16, 2019

    Stateful Components
  • Achievement

    Introducing Props

    React Basics

    Achieved

    Nov 16, 2019

    Introducing Props
  • Achievement

    Thinking in Components

    React Basics

    Achieved

    Nov 16, 2019

    Thinking in Components
  • Achievement

    First Steps in React

    React Basics

    Achieved

    Nov 16, 2019

    First Steps in React
  • Achievement

    Planning Our Service

    Building Services with ASP.NET Web API

    Achieved

    Mar 27, 2019

    Planning Our Service
  • Achievement

    Segmenting and Protecting Data

    User Authentication with ASP.NET Identity

    Achieved

    Mar 25, 2019

    Segmenting and Protecting Data
  • Achievement

    Adding User Sign-In and Sign-Out

    User Authentication with ASP.NET Identity

    Achieved

    Mar 25, 2019

    Adding User Sign-In and Sign-Out
  • Achievement

    Adding User Registration

    User Authentication with ASP.NET Identity

    Achieved

    Mar 22, 2019

    Adding User Registration
  • Achievement

    Introducing ASP.NET Identity

    User Authentication with ASP.NET Identity

    Achieved

    Mar 22, 2019

    Introducing ASP.NET Identity
  • Achievement

    Completing the Project

    Entity Framework with ASP.NET MVC

    Achieved

    Mar 22, 2019

    Completing the Project
  • Achievement

    Data Access Design Patterns

    Entity Framework with ASP.NET MVC

    Achieved

    Mar 22, 2019

    Data Access Design Patterns
  • Achievement

    Entity Framework and ASP.NET MVC

    Entity Framework with ASP.NET MVC

    Achieved

    Mar 19, 2019

    Entity Framework and ASP.NET MVC
  • Achievement

    Project Setup

    Entity Framework with ASP.NET MVC

    Achieved

    Mar 18, 2019

    Project Setup
  • Achievement

    CRUD Operations

    Entity Framework Basics

    Achieved

    Mar 12, 2019

    CRUD Operations
  • Achievement

    LINQ Queries

    Entity Framework Basics

    Achieved

    Mar 11, 2019

    LINQ Queries
  • Achievement

    Extending Our Entity Data Model

    Entity Framework Basics

    Achieved

    Mar 11, 2019

    Extending Our Entity Data Model
  • Achievement

    Entity Framework and Databases

    Entity Framework Basics

    Achieved

    Mar 11, 2019

    Entity Framework and Databases
  • Achievement

    Introducing Entity Framework

    Entity Framework Basics

    Achieved

    Mar 11, 2019

    Introducing Entity Framework
  • Achievement

    Sets and Dictionaries

    C# Collections

    Achieved

    Mar 8, 2019

    Sets and Dictionaries
  • Achievement

    Lists

    C# Collections

    Achieved

    Mar 7, 2019

    Lists
  • Achievement

    Arrays

    C# Collections

    Achieved

    Mar 7, 2019

    Arrays
  • Achievement

    Data Retreiver

    C# Streams and Data Processing

    Achieved

    Mar 7, 2019

    Data Retreiver
  • Achievement

    Serialized!

    C# Streams and Data Processing

    Achieved

    Mar 5, 2019

    Serialized!
  • Achievement

    Data Parser

    C# Streams and Data Processing

    Achieved

    Mar 5, 2019

    Data Parser
  • Achievement

    Data Reader

    C# Streams and Data Processing

    Achieved

    Mar 2, 2019

    Data Reader
  • Achievement

    Abstraction

    Intermediate C#

    Achieved

    Feb 27, 2019

    Abstraction
  • Achievement

    System.Object

    Intermediate C#

    Achieved

    Feb 26, 2019

    System.Object
  • Achievement

    Polymorphism

    Intermediate C#

    Achieved

    Feb 26, 2019

    Polymorphism
  • Achievement

    Loops and Final Touches

    C# Objects

    Achieved

    Feb 25, 2019

    Loops and Final Touches
  • Achievement

    Encapsulation with Properties

    C# Objects

    Achieved

    Feb 25, 2019

    Encapsulation with Properties
  • Achievement

    Encapsulation and Arrays

    C# Objects

    Achieved

    Feb 25, 2019

    Encapsulation and Arrays
  • Achievement

    Inheritance

    C# Objects

    Achieved

    Feb 25, 2019

    Inheritance
  • Achievement

    Methods

    C# Objects

    Achieved

    Feb 25, 2019

    Methods
  • Achievement

    Object-Oriented Programming

    C# Objects

    Achieved

    Feb 25, 2019

    Object-Oriented Programming
  • Achievement

    Perfect

    C# Basics (Retired)

    Achieved

    Feb 24, 2019

    Perfect
  • Achievement

    Perform

    C# Basics (Retired)

    Achieved

    Feb 23, 2019

    Perform
  • Achievement

    Console I/O

    C# Basics (Retired)

    Achieved

    Feb 23, 2019

    Console I/O
  • Achievement

    Prepare and Plan

    C# Basics (Retired)

    Achieved

    Feb 23, 2019

    Prepare and Plan
  • Achievement

    Finishing Our CRUD Web App

    ASP.NET MVC Forms

    Achieved

    Feb 7, 2019

    Finishing Our CRUD Web App
  • Achievement

    Adding Form Validation

    ASP.NET MVC Forms

    Achieved

    Feb 7, 2019

    Adding Form Validation
  • Achievement

    Improving Our Form

    ASP.NET MVC Forms

    Achieved

    Feb 7, 2019

    Improving Our Form
  • Achievement

    Creating a Basic Form

    ASP.NET MVC Forms

    Achieved

    Feb 6, 2019

    Creating a Basic Form
  • Achievement

    Introducing CRUD Applications

    ASP.NET MVC Forms

    Achieved

    Feb 6, 2019

    Introducing CRUD Applications
  • Achievement

    Adding a List Page

    ASP.NET MVC Basics

    Achieved

    Feb 4, 2019

    Adding a List Page
  • Achievement

    Modeling and Presenting Data

    ASP.NET MVC Basics

    Achieved

    Feb 4, 2019

    Modeling and Presenting Data
  • Achievement

    Views

    ASP.NET MVC Basics

    Achieved

    Feb 3, 2019

    Views
  • Achievement

    Controllers

    ASP.NET MVC Basics

    Achieved

    Feb 2, 2019

    Controllers
  • Achievement

    Project Setup

    ASP.NET MVC Basics

    Achieved

    Feb 1, 2019

    Project Setup
  • Achievement

    Adding the UI

    Kotlin and Anko

    Achieved

    Jan 6, 2019

    Adding the UI
  • Achievement

    Learning Anko

    Kotlin and Anko

    Achieved

    Jan 4, 2019

    Learning Anko
  • Achievement

    Is This Thing On?

    Kotlin for Java Developers

    Achieved

    Jan 3, 2019

    Is This Thing On?
  • Achievement

    Putting It All Together

    Kotlin for Java Developers

    Achieved

    Jan 3, 2019

    Putting It All Together
  • Achievement

    Modelling Solitaire

    Kotlin for Java Developers

    Achieved

    Jan 2, 2019

    Modelling Solitaire
  • Achievement

    Hello Kotlin!

    Kotlin for Java Developers

    Achieved

    Jan 2, 2019

    Hello Kotlin!
  • Achievement

    File Uploads and Entity Updates in Spring + Hibernate

    Spring with Hibernate

    Achieved

    Jul 15, 2018

    File Uploads and Entity Updates in Spring + Hibernate
  • Achievement

    User Messages in Spring

    Spring with Hibernate

    Achieved

    Jul 14, 2018

    User Messages in Spring
  • Achievement

    Getting Started with CRUD in Spring + Hibernate

    Spring with Hibernate

    Achieved

    Jul 14, 2018

    Getting Started with CRUD in Spring + Hibernate
  • Achievement

    Data-Driven Application Design

    Spring with Hibernate

    Achieved

    Jul 14, 2018

    Data-Driven Application Design
  • Achievement

    Integrating Hibernate with Spring

    Spring with Hibernate

    Achieved

    Jul 10, 2018

    Integrating Hibernate with Spring
  • Achievement

    Persisting Data with Hibernate

    Hibernate Basics

    Achieved

    Jul 10, 2018

    Persisting Data with Hibernate
  • Achievement

    Getting Started with Hibernate

    Hibernate Basics

    Achieved

    Jul 9, 2018

    Getting Started with Hibernate
  • Achievement

    Data Persistence & ORMs

    Hibernate Basics

    Achieved

    Jul 8, 2018

    Data Persistence & ORMs
  • Achievement

    Using the MVC Architecture with Spring

    Spring Basics

    Achieved

    Jul 6, 2018

    Using the MVC Architecture with Spring
  • Achievement

    Modeling, Storing, and Presenting Data with Spring

    Spring Basics

    Achieved

    Jul 5, 2018

    Modeling, Storing, and Presenting Data with Spring
  • Achievement

    Creating Spring Controllers and Thymeleaf Views

    Spring Basics

    Achieved

    Jul 5, 2018

    Creating Spring Controllers and Thymeleaf Views
  • Achievement

    Spring Components and Configuring Our App

    Spring Basics

    Achieved

    Jul 4, 2018

    Spring Components and Configuring Our App
  • Achievement

    Setting Up Your Local Environment for Spring Development

    Spring Basics

    Achieved

    May 29, 2018

    Setting Up Your Local Environment for Spring Development
  • Achievement

    Angular Form Validation

    Angular Basics

    Achieved

    Feb 23, 2018

    Angular Form Validation
  • Achievement

    Angular Basic Forms

    Angular Basics

    Achieved

    Feb 23, 2018

    Angular Basic Forms
  • Achievement

    Services in Angular

    Angular Basics

    Achieved

    Feb 23, 2018

    Services in Angular
  • Achievement

    Angular Components

    Angular Basics

    Achieved

    Feb 22, 2018

    Angular Components
  • Achievement

    Setting Up an Angular Application

    Angular Basics

    Achieved

    Feb 21, 2018

    Setting Up an Angular Application
  • Achievement

    Introducing the Watson APIs

    Build a Chatbot with Watson APIs

    Achieved

    Feb 21, 2018

    Introducing the Watson APIs
  • Achievement

    Day 3: Getting Creative

    SQL Reporting by Example

    Achieved

    Feb 19, 2018

    Day 3: Getting Creative
  • Achievement

    Day 2: Advanced Selecting

    SQL Reporting by Example

    Achieved

    Feb 19, 2018

    Day 2: Advanced Selecting
  • Achievement

    Day 1: Joining Tables

    SQL Reporting by Example

    Achieved

    Feb 19, 2018

    Day 1: Joining Tables
  • Achievement

    Orientation: Selecting Data

    SQL Reporting by Example

    Achieved

    Feb 19, 2018

    Orientation: Selecting Data
  • Achievement

    Subqueries

    Querying Relational Databases

    Achieved

    Feb 19, 2018

    Subqueries
  • Achievement

    Set Operations

    Querying Relational Databases

    Achieved

    Feb 17, 2018

    Set Operations
  • Achievement

    Joining Table Data with SQL

    Querying Relational Databases

    Achieved

    Feb 17, 2018

    Joining Table Data with SQL
  • Achievement

    Table Relationships

    Querying Relational Databases

    Achieved

    Feb 17, 2018

    Table Relationships
  • Achievement

    Database Keys

    Querying Relational Databases

    Achieved

    Feb 17, 2018

    Database Keys
  • Achievement

    Database Normalization

    Querying Relational Databases

    Achieved

    Feb 17, 2018

    Database Normalization
  • Achievement

    Date and Time Functions

    Reporting with SQL

    Achieved

    Feb 16, 2018

    Date and Time Functions
  • Achievement

    Aggregate and Numeric Functions

    Reporting with SQL

    Achieved

    Feb 16, 2018

    Aggregate and Numeric Functions
  • Achievement

    Working with Text

    Reporting with SQL

    Achieved

    Feb 16, 2018

    Working with Text
  • Achievement

    Ordering, Limiting and Paging Results

    Reporting with SQL

    Achieved

    Feb 16, 2018

    Ordering, Limiting and Paging Results
  • Achievement

    Handling Errors When Manipulating Data

    Modifying Data with SQL

    Achieved

    Feb 16, 2018

    Handling Errors When Manipulating Data
  • Achievement

    Deleting Data from a Database

    Modifying Data with SQL

    Achieved

    Feb 16, 2018

    Deleting Data from a Database
  • Achievement

    Updating Data in a Database

    Modifying Data with SQL

    Achieved

    Feb 16, 2018

    Updating Data in a Database
  • Achievement

    Adding Data to a Database

    Modifying Data with SQL

    Achieved

    Feb 16, 2018

    Adding Data to a Database
  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Feb 16, 2018

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Feb 15, 2018

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Feb 15, 2018

    Data, Databases and SQL
  • Achievement

    The Rest of the Story

    Build an Interactive Story App

    Achieved

    Feb 4, 2018

    The Rest of the Story
  • Achievement

    Finishing the User Interface

    Build an Interactive Story App

    Achieved

    Feb 4, 2018

    Finishing the User Interface
  • Achievement

    The Model-View-Presenter Pattern

    Build an Interactive Story App

    Achieved

    Feb 4, 2018

    The Model-View-Presenter Pattern
  • Achievement

    Intents and Multiple Activities

    Build an Interactive Story App

    Achieved

    Feb 4, 2018

    Intents and Multiple Activities
  • Achievement

    Tuning the User Interface

    Build an Interactive Story App

    Achieved

    Feb 4, 2018

    Tuning the User Interface
  • Achievement

    User Input in Android

    Build an Interactive Story App

    Achieved

    Feb 4, 2018

    User Input in Android
  • Achievement

    Testing and Debugging

    Build a Simple Android App with Java

    Achieved

    Feb 3, 2018

    Testing and Debugging
  • Achievement

    Improving Our Code

    Build a Simple Android App with Java

    Achieved

    Feb 3, 2018

    Improving Our Code
  • Achievement

    Basic Android Programming

    Build a Simple Android App with Java

    Achieved

    Feb 3, 2018

    Basic Android Programming
  • Achievement

    Creating the Screen Layout

    Build a Simple Android App with Java

    Achieved

    Feb 3, 2018

    Creating the Screen Layout
  • Achievement

    Getting Started with Android

    Build a Simple Android App with Java

    Achieved

    Feb 3, 2018

    Getting Started with Android
  • Achievement

    Event Planning

    Build a JavaFX Application

    Achieved

    Nov 22, 2017

    Event Planning
  • Achievement

    Build a Pomodoro App

    Build a JavaFX Application

    Achieved

    Nov 22, 2017

    Build a Pomodoro App
  • Achievement

    Design a Better App

    Build a JavaFX Application

    Achieved

    Nov 22, 2017

    Design a Better App
  • Achievement

    Graphical User Interfaces

    Build a JavaFX Application

    Achieved

    Nov 21, 2017

    Graphical User Interfaces
  • Achievement

    Advanced Tooling

    Local Development Environments

    Achieved

    Nov 21, 2017

    Advanced Tooling
  • Achievement

    IDE Exploration

    Local Development Environments

    Achieved

    Nov 20, 2017

    IDE Exploration
  • Achievement

    How it Works

    Local Development Environments

    Achieved

    Nov 20, 2017

    How it Works
  • Achievement

    Efficiency!

    Java Data Structures

    Achieved

    Nov 19, 2017

    Efficiency!
  • Achievement

    Exploring the Java Collections Framework

    Java Data Structures

    Achieved

    Nov 15, 2017

    Exploring the Java Collections Framework
  • Achievement

    Organizing Data

    Java Data Structures

    Achieved

    Nov 14, 2017

    Organizing Data
  • Achievement

    Getting There

    Java Data Structures

    Achieved

    Nov 13, 2017

    Getting There
  • Achievement

    Gotchas and Wins

    Java Arrays

    Achieved

    Nov 11, 2017

    Gotchas and Wins
  • Achievement

    Iteration

    Java Arrays

    Achieved

    Nov 11, 2017

    Iteration
  • Achievement

    Creation

    Java Arrays

    Achieved

    Nov 11, 2017

    Creation
  • Achievement

    Delivering the MVP

    Java Objects

    Achieved

    Nov 11, 2017

    Delivering the MVP
  • Achievement

    Creating the MVP

    Java Objects

    Achieved

    Nov 10, 2017

    Creating the MVP
  • Achievement

    Harnessing the Power of Objects

    Java Objects

    Achieved

    Nov 10, 2017

    Harnessing the Power of Objects
  • Achievement

    Meet Objects

    Java Objects

    Achieved

    Nov 9, 2017

    Meet Objects
  • Achievement

    Perfecting the Prototype

    Java Basics

    Achieved

    Nov 9, 2017

    Perfecting the Prototype
  • Achievement

    Using your New Tools

    Java Basics

    Achieved

    Nov 9, 2017

    Using your New Tools
  • Achievement

    Getting Started with Java

    Java Basics

    Achieved

    Nov 9, 2017

    Getting Started with Java
  • Achievement

    Improving Our Todo App

    AngularJS Basics (1.x)

    Achieved

    Sep 10, 2017

    Improving Our Todo App
  • Achievement

    Services in Angular

    AngularJS Basics (1.x)

    Achieved

    Sep 8, 2017

    Services in Angular
  • Achievement

    Using Angular's Built-in Directives

    AngularJS Basics (1.x)

    Achieved

    Sep 7, 2017

    Using Angular's Built-in Directives
  • Achievement

    Controllers and Scope

    AngularJS Basics (1.x)

    Achieved

    Sep 6, 2017

    Controllers and Scope
  • Achievement

    Getting Started with Angular

    AngularJS Basics (1.x)

    Achieved

    Sep 4, 2017

    Getting Started with Angular
  • Achievement

    Newbie

    Achieved

    Sep 4, 2017

    Newbie