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Jacob Christensen

Member Since March 18, 2015

13,171

Total Points

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2,339

JavaScript

2339 pts
Achievements

0 pts
Forum
•
1,938

CSS

1938 pts
Achievements

0 pts
Forum
•
1,490

Android

1490 pts
Achievements

0 pts
Forum
•
1,441

Databases

1441 pts
Achievements

0 pts
Forum
•
1,390

HTML

1390 pts
Achievements

0 pts
Forum
•
1,227

Development Tools

1227 pts
Achievements

0 pts
Forum
•
1,221

Java

1221 pts
Achievements

0 pts
Forum
•
1,009

Design

1009 pts
Achievements

0 pts
Forum
•
369

C#

369 pts
Achievements

0 pts
Forum
•
289

Business

289 pts
Achievements

0 pts
Forum

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

155 Achievements

Achievement
If Statements

C# Basics

Achieved
Sep 24, 2020
Achievement
Numbers

C# Basics

Achieved
Sep 10, 2020
Achievement
Strings

C# Basics

Achieved
Sep 9, 2020
Achievement
Methods

C# Basics

Achieved
Sep 9, 2020
Achievement
C# Syntax

C# Basics

Achieved
Aug 23, 2020
Achievement
Day 3: Getting Creative

SQL Reporting by Example

Achieved
Oct 17, 2018
Achievement
Day 2: Advanced Selecting

SQL Reporting by Example

Achieved
Oct 17, 2018
Achievement
Day 1: Joining Tables

SQL Reporting by Example

Achieved
Oct 15, 2018
Achievement
Orientation: Selecting Data

SQL Reporting by Example

Achieved
Oct 15, 2018
Achievement
Subqueries

Querying Relational Databases

Achieved
Oct 15, 2018
Achievement
Set Operations

Querying Relational Databases

Achieved
Oct 15, 2018
Achievement
Joining Table Data with SQL

Querying Relational Databases

Achieved
Oct 15, 2018
Achievement
Table Relationships

Querying Relational Databases

Achieved
Oct 15, 2018
Achievement
Database Keys

Querying Relational Databases

Achieved
Oct 15, 2018
Achievement
Database Normalization

Querying Relational Databases

Achieved
Oct 15, 2018
Achievement
Date and Time Functions

Reporting with SQL

Achieved
Oct 10, 2018
Achievement
Aggregate and Numeric Functions

Reporting with SQL

Achieved
Oct 4, 2018
Achievement
Working with Text

Reporting with SQL

Achieved
Oct 4, 2018
Achievement
Ordering, Limiting and Paging Results

Reporting with SQL

Achieved
Oct 2, 2018
Achievement
Handling Errors When Manipulating Data

Modifying Data with SQL

Achieved
Oct 1, 2018
Achievement
Deleting Data from a Database

Modifying Data with SQL

Achieved
Sep 27, 2018
Achievement
Updating Data in a Database

Modifying Data with SQL

Achieved
Sep 27, 2018
Achievement
Adding Data to a Database

Modifying Data with SQL

Achieved
Sep 27, 2018
Achievement
Finding the Data You Want

SQL Basics

Achieved
Sep 27, 2018
Achievement
Getting Data from a Database

SQL Basics

Achieved
Sep 19, 2018
Achievement
Data, Databases and SQL

SQL Basics

Achieved
Sep 19, 2018
Achievement
Exploring an API

Build a Weather App (2015)

Achieved
May 24, 2016
Achievement
Testing and Debugging

Build a Simple Android App

Achieved
Apr 27, 2016
Achievement
Improving Our Code

Build a Simple Android App

Achieved
Apr 26, 2016
Achievement
Basic Android Programming

Build a Simple Android App

Achieved
Apr 21, 2016
Achievement
Creating the Screen Layout

Build a Simple Android App

Achieved
Apr 21, 2016
Achievement
Getting Started with Android

Build a Simple Android App

Achieved
Apr 21, 2016
Achievement
IDE Exploration

Local Development Environments

Achieved
Apr 20, 2016
Achievement
How it Works

Local Development Environments

Achieved
Apr 19, 2016
Achievement
Efficiency!

Java Data Structures

Achieved
Sep 10, 2015
Achievement
Exploring the Java Collections Framework

Java Data Structures

Achieved
Aug 18, 2015
Achievement
Organizing Data

Java Data Structures

Achieved
Aug 10, 2015
Achievement
Getting There

Java Data Structures

Achieved
Aug 3, 2015
Achievement
Delivering the MVP

Java Objects (Retired)

Achieved
Aug 2, 2015
Achievement
Creating the MVP

Java Objects (Retired)

Achieved
Jul 30, 2015
Achievement
Harnessing the Power of Objects

Java Objects (Retired)

Achieved
Jul 28, 2015
Achievement
Meet Objects

Java Objects (Retired)

Achieved
Jul 17, 2015
Achievement
Perfecting the Prototype

Java Basics

Achieved
Jul 15, 2015
Achievement
Using your New Tools

Java Basics

Achieved
Jul 15, 2015
Achievement
Getting Started with Java

Java Basics

Achieved
Jul 15, 2015
Achievement
Finishing the User Interface

Build an Interactive Story App (Retired)

Achieved
Jul 6, 2015
Achievement
The Model-View-Controller Pattern

Build an Interactive Story App (Retired)

Achieved
Jun 25, 2015
Achievement
Intents and Multiple Activities

Build an Interactive Story App (Retired)

Achieved
Jun 24, 2015
Achievement
User Input

Build an Interactive Story App (Retired)

Achieved
Jun 23, 2015
Achievement
Testing and Debugging

Build a Simple Android App (2014)

Achieved
Jun 18, 2015
Achievement
Improving Our Code

Build a Simple Android App (2014)

Achieved
Jun 15, 2015
Achievement
Coding the Fun Facts

Build a Simple Android App (2014)

Achieved
Jun 12, 2015
Achievement
Basic Android Programming

Build a Simple Android App (2014)

Achieved
Jun 12, 2015
Achievement
Creating the Initial Screen Layout

Build a Simple Android App (2014)

Achieved
Jun 10, 2015
Achievement
Getting Started with Android

Build a Simple Android App (2014)

Achieved
Jun 10, 2015
Achievement
Advanced Sass Concepts

Sass Basics (retired)

Achieved
Jun 7, 2015
Achievement
Speeding up Workflow With Sass

Sass Basics (retired)

Achieved
Jun 7, 2015
Achievement
Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Achieved
Jun 4, 2015
Achievement
Getting Started with Sass

Sass Basics (retired)

Achieved
Jun 3, 2015
Achievement
Better SEO Through Code

SEO Basics

Achieved
May 30, 2015
Achievement
Better SEO Through Tools

SEO Basics

Achieved
May 29, 2015
Achievement
Better SEO Through Content

SEO Basics

Achieved
May 26, 2015
Achievement
Introduction to SEO

SEO Basics

Achieved
May 22, 2015
Achievement
Moving Forward with UX

UX Basics

Achieved
May 22, 2015
Achievement
Tools UXers Use

UX Basics

Achieved
May 20, 2015
Achievement
How UXers Think

UX Basics

Achieved
May 19, 2015
Achievement
What Do User Experience Designers Do?

UX Basics

Achieved
May 19, 2015
Achievement
What is User Experience (UX)?

UX Basics

Achieved
May 19, 2015
Achievement
Finalizing the Project

Brand Identity Basics

Achieved
May 18, 2015
Achievement
Case Studies and Examples

Brand Identity Basics

Achieved
May 18, 2015
Achievement
The Brand Identity Design Process

Brand Identity Basics

Achieved
May 18, 2015
Achievement
Introduction to Brand Identity

Brand Identity Basics

Achieved
May 17, 2015
Achievement
The Logo Sprint

Logo Design Basics

Achieved
May 17, 2015
Achievement
Logo Design 101

Logo Design Basics

Achieved
May 17, 2015
Achievement
Design Foundations Final

Design Foundations

Achieved
May 17, 2015
Achievement
Becoming a Problem Solver

Design Foundations

Achieved
May 17, 2015
Achievement
Understanding Aesthetics

Design Foundations

Achieved
May 15, 2015
Achievement
Introduction to Design

Design Foundations

Achieved
May 15, 2015
Achievement
Grid Layout

CSS Layout Techniques

Achieved
May 14, 2015
Achievement
Flexbox Layout

CSS Layout Techniques

Achieved
May 14, 2015
Achievement
Positioning Schemes

CSS Layout Techniques

Achieved
May 14, 2015
Achievement
Float Layout

CSS Layout Techniques

Achieved
May 14, 2015
Achievement
Display Modes

CSS Layout Techniques

Achieved
May 11, 2015
Achievement
Advanced Selectors

CSS Selectors

Achieved
May 8, 2015
Achievement
Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Achieved
May 5, 2015
Achievement
Selectors - Beyond the Basics

CSS Selectors

Achieved
May 4, 2015
Achievement
Combine and Minify Assets

Introduction to Front End Performance Optimization

Achieved
Apr 30, 2015
Achievement
Optimize Assets

Introduction to Front End Performance Optimization

Achieved
Apr 30, 2015
Achievement
Measuring Performance

Introduction to Front End Performance Optimization

Achieved
Apr 30, 2015
Achievement
Planning for Performance

Introduction to Front End Performance Optimization

Achieved
Apr 30, 2015
Achievement
Workflows

Git Basics

Achieved
Apr 30, 2015
Achievement
Working With Remote Repositories

Git Basics

Achieved
Apr 30, 2015
Achievement
Merging

Git Basics

Achieved
Apr 30, 2015
Achievement
Branches

Git Basics

Achieved
Apr 30, 2015
Achievement
Getting Started With Git

Git Basics

Achieved
Apr 30, 2015
Achievement
Why Version Control Matters

Git Basics

Achieved
Apr 29, 2015
Achievement
Installing Programs

Console Foundations

Achieved
Apr 29, 2015
Achievement
Environment and Redirection

Console Foundations

Achieved
Apr 26, 2015
Achievement
Console Processes

Console Foundations

Achieved
Apr 26, 2015
Achievement
Console Users and Permission

Console Foundations

Achieved
Apr 26, 2015
Achievement
Moving Around in the Console

Console Foundations

Achieved
Apr 24, 2015
Achievement
Chrome DevTools Basics

Website Optimization

Achieved
Apr 24, 2015
Achievement
Web Apps

Accessibility

Achieved
Apr 23, 2015
Achievement
Websites

Accessibility

Achieved
Apr 22, 2015
Achievement
Introduction

Accessibility

Achieved
Apr 22, 2015
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Apr 21, 2015
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Apr 21, 2015
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Apr 17, 2015
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Apr 15, 2015
Achievement
Responsive Patterns

Responsive Layouts

Achieved
Apr 14, 2015
Achievement
Media Queries

Responsive Layouts

Achieved
Apr 14, 2015
Achievement
Responsive Theory

Responsive Layouts

Achieved
Apr 14, 2015
Achievement
Custom Media Players

HTML Video and Audio (Retired)

Achieved
Apr 13, 2015
Achievement
Captioning Video

HTML Video and Audio (Retired)

Achieved
Apr 13, 2015
Achievement
Media Basics

HTML Video and Audio (Retired)

Achieved
Apr 13, 2015
Achievement
Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achieved
Apr 12, 2015
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Apr 12, 2015
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Apr 12, 2015
Achievement
Structuring Tables

HTML Tables

Achieved
Apr 12, 2015
Achievement
Table Basics

HTML Tables

Achieved
Apr 12, 2015
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Apr 12, 2015
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Apr 12, 2015
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Apr 10, 2015
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Apr 10, 2015
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Apr 9, 2015
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Apr 9, 2015
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Apr 9, 2015
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Apr 8, 2015
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Apr 6, 2015
Achievement
Choosing Options

HTML Forms

Achieved
Apr 3, 2015
Achievement
Organizing Forms

HTML Forms

Achieved
Apr 3, 2015
Achievement
Form Basics

HTML Forms

Achieved
Apr 3, 2015
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Apr 3, 2015
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Apr 2, 2015
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Apr 1, 2015
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Mar 31, 2015
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Mar 31, 2015
Achievement
Fundamental Concepts

CSS Basics (2014)

Achieved
Mar 30, 2015
Achievement
Designing with the Latest Features

CSS Basics (2014)

Achieved
Mar 29, 2015
Achievement
Basic Layout

CSS Basics (2014)

Achieved
Mar 29, 2015
Achievement
The Box Model

CSS Basics (2014)

Achieved
Mar 29, 2015
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
Mar 29, 2015
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
Mar 27, 2015
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Mar 26, 2015
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Mar 25, 2015
Achievement
Sharing a Website

How to Make a Website

Achieved
Mar 24, 2015
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Mar 20, 2015
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Mar 20, 2015
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Mar 20, 2015
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Mar 20, 2015
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Mar 20, 2015
Achievement
Creating HTML Content

How to Make a Website

Achieved
Mar 20, 2015
Achievement
HTML First

How to Make a Website

Achieved
Mar 20, 2015
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Mar 20, 2015
Achievement
Newbie

Achieved
Mar 18, 2015