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Richard Lu

New York, NY

20,185

Total Points

•
3,068

Python

3013 pts
Achievements

55 pts
Forum
•
2,296

Ruby

2296 pts
Achievements

0 pts
Forum
•
1,833

JavaScript

1817 pts
Achievements

16 pts
Forum
•
1,437

CSS

1437 pts
Achievements

0 pts
Forum
•
1,372

HTML

1372 pts
Achievements

0 pts
Forum
•
888

Development Tools

888 pts
Achievements

0 pts
Forum
•
839

Databases

839 pts
Achievements

0 pts
Forum
•
130

Design

130 pts
Achievements

0 pts
Forum
•
45

Digital Literacy

40 pts
Achievements

5 pts
Forum
•
34

Java

2 pts
Achievements

32 pts
Forum

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

Skills & Experience

Company

John Deere
Job Title

Mobile Developer

237 Achievements

Achievement
Generic Functions, Parameters and Constraints

Generics in Swift

Achieved
Apr 1, 2018
Achievement
Adding Sound Effects

Build an Interactive Story App with Swift

Achieved
Apr 1, 2018
Achievement
Personalizing The Story

Build an Interactive Story App with Swift

Achieved
Mar 25, 2018
Achievement
Refactoring Our Code

Build an Interactive Story App with Swift

Achieved
Mar 24, 2018
Achievement
Creating the User Interface Programmatically

Build an Interactive Story App with Swift

Achieved
Mar 24, 2018
Achievement
Creating a Story

Build an Interactive Story App with Swift

Achieved
Mar 24, 2018
Achievement
Navigating Through An Adventure

Build an Interactive Story App with Swift

Achieved
Mar 24, 2018
Achievement
Using the Delegate Pattern in iOS

Delegation in iOS

Achieved
Mar 18, 2018
Achievement
The Delegate Pattern

Delegation in iOS

Achieved
Mar 18, 2018
Achievement
Writing Great Swift

API Design Guidelines in Swift

Achieved
Mar 18, 2018
Achievement
Access Control

Intermediate Swift

Achieved
Mar 17, 2018
Achievement
Memory Management in Swift

Intermediate Swift

Achieved
Mar 17, 2018
Achievement
Extensions and Protocols

Intermediate Swift

Achieved
Mar 17, 2018
Achievement
Value Semantics, Type Methods and Inheritance

Intermediate Swift

Achieved
Mar 17, 2018
Achievement
Object Initialization

Intermediate Swift

Achieved
Mar 17, 2018
Achievement
Properties

Intermediate Swift

Achieved
Mar 17, 2018
Achievement
Basic Layout

CSS Basics (2014)

Achieved
Mar 3, 2018
Achievement
The Box Model

CSS Basics (2014)

Achieved
Sep 4, 2017
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
Sep 4, 2017
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
Sep 4, 2017
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Sep 3, 2017
Achievement
Going Further with HTML

HTML Basics

Achieved
Sep 3, 2017
Achievement
Images, Text and Links

HTML Basics

Achieved
Sep 3, 2017
Achievement
Structuring Your Content

HTML Basics

Achieved
Sep 3, 2017
Achievement
Getting Started With HTML

HTML Basics

Achieved
Sep 3, 2017
Achievement
Using the Rails Console

Ruby on Rails 5 Basics

Achieved
Aug 27, 2017
Achievement
Handling Rails Requests

Ruby on Rails 5 Basics

Achieved
Aug 27, 2017
Achievement
Creating Rails Apps

Ruby on Rails 5 Basics

Achieved
Aug 27, 2017
Achievement
Subqueries

Querying Relational Databases

Achieved
Aug 26, 2017
Achievement
Set Operations

Querying Relational Databases

Achieved
Aug 26, 2017
Achievement
Joining Table Data with SQL

Querying Relational Databases

Achieved
Aug 26, 2017
Achievement
Table Relationships

Querying Relational Databases

Achieved
Aug 26, 2017
Achievement
Database Keys

Querying Relational Databases

Achieved
Aug 25, 2017
Achievement
Database Normalization

Querying Relational Databases

Achieved
Aug 24, 2017
Achievement
Handling Errors When Manipulating Data

Modifying Data with SQL

Achieved
Aug 24, 2017
Achievement
Deleting Data from a Database

Modifying Data with SQL

Achieved
Aug 24, 2017
Achievement
Updating Data in a Database

Modifying Data with SQL

Achieved
Aug 24, 2017
Achievement
Adding Data to a Database

Modifying Data with SQL

Achieved
Aug 23, 2017
Achievement
Finding the Data You Want

SQL Basics

Achieved
Aug 23, 2017
Achievement
Getting Data from a Database

SQL Basics

Achieved
Aug 23, 2017
Achievement
Data, Databases and SQL

SQL Basics

Achieved
Aug 22, 2017
Achievement
Sinatra Finishing Touches

Building Web Apps with Sinatra

Achieved
Aug 21, 2017
Achievement
Updating Data in Sinatra

Building Web Apps with Sinatra

Achieved
Aug 20, 2017
Achievement
Adding New Data in Sinatra

Building Web Apps with Sinatra

Achieved
Aug 20, 2017
Achievement
Sinatra ERB Templates

Building Web Apps with Sinatra

Achieved
Aug 19, 2017
Achievement
Creating New Sinatra Apps

Building Web Apps with Sinatra

Achieved
Aug 19, 2017
Achievement
Build a Bank Account Class

Ruby Objects and Classes

Achieved
Aug 19, 2017
Achievement
Getting Started With Git

Git Basics

Achieved
Aug 19, 2017
Achievement
Ruby Variables and Methods

Ruby Objects and Classes

Achieved
Aug 19, 2017
Achievement
Ruby Objects and Classes

Ruby Objects and Classes

Achieved
Aug 19, 2017
Achievement
Build a Simple Contact List

Ruby Loops

Achieved
Aug 19, 2017
Achievement
Ruby Iteration

Ruby Loops

Achieved
Aug 19, 2017
Achievement
Ruby Loops

Ruby Loops

Achieved
Aug 19, 2017
Achievement
Build a Grocery List Program

Ruby Collections

Achieved
Aug 17, 2017
Achievement
Ruby Hashes

Ruby Collections

Achieved
Aug 17, 2017
Achievement
Ruby Arrays

Ruby Collections

Achieved
Aug 17, 2017
Achievement
Ruby Logical Operators

Ruby Operators and Control Structures

Achieved
Aug 16, 2017
Achievement
Ruby Control Structures

Ruby Operators and Control Structures

Achieved
Aug 16, 2017
Achievement
Ruby Operators

Ruby Operators and Control Structures

Achieved
Aug 16, 2017
Achievement
Ruby Methods

Ruby Basics (Retired)

Achieved
Aug 16, 2017
Achievement
Ruby Numbers (Ruby Basics)

Ruby Basics (Retired)

Achieved
Aug 16, 2017
Achievement
Ruby Strings (Ruby Basics)

Ruby Basics (Retired)

Achieved
Aug 16, 2017
Achievement
How Ruby Works

Ruby Basics (Retired)

Achieved
Aug 16, 2017
Achievement
Adding a New Web Page

Introduction to HTML and CSS (2016)

Achieved
Aug 16, 2017
Achievement
Make It Beautiful with CSS

Introduction to HTML and CSS (2016)

Achieved
Aug 15, 2017
Achievement
HTML: The Structural Foundation of Web Pages and Applications

Introduction to HTML and CSS (2016)

Achieved
Aug 15, 2017
Achievement
Getting Familiar with HTML and CSS

Introduction to HTML and CSS (2016)

Achieved
Aug 15, 2017
Achievement
Python Data Types

Python Basics (2015)

Achieved
Jan 24, 2016
Achievement
Python For Beginners

Python Basics (2015)

Achieved
Jan 24, 2016
Achievement
Cocoapods

iOS Tools

Achieved
Nov 21, 2015
Achievement
Implementing the Detail View

Enhance a Weather App with Table Views

Achieved
Nov 16, 2015
Achievement
Custom Table View Cells

Enhance a Weather App with Table Views

Achieved
Nov 16, 2015
Achievement
Next Week's Weather

Enhance a Weather App with Table Views

Achieved
Nov 16, 2015
Achievement
Upgrading Stormy

Enhance a Weather App with Table Views

Achieved
Nov 16, 2015
Achievement
Introduction to Table Views

Enhance a Weather App with Table Views

Achieved
Nov 16, 2015
Achievement
Running Apps on a Device

Build a Simple iPhone App with Swift 2.0

Achieved
Nov 15, 2015
Achievement
Improving Our User Interface

Build a Simple iPhone App with Swift 2.0

Achieved
Nov 15, 2015
Achievement
Structs as Data Models

Build a Simple iPhone App with Swift 2.0

Achieved
Nov 15, 2015
Achievement
View Controllers and Views

Build a Simple iPhone App with Swift 2.0

Achieved
Nov 15, 2015
Achievement
Getting Started with iOS Development

Build a Simple iPhone App with Swift 2.0

Achieved
Nov 15, 2015
Achievement
Differentiating Between Objects

Object-Oriented Swift 2.0

Achieved
Nov 6, 2015
Achievement
Class Inheritance

Object-Oriented Swift 2.0

Achieved
Nov 6, 2015
Achievement
Classes

Object-Oriented Swift 2.0

Achieved
Nov 6, 2015
Achievement
Complex Data Structures

Object-Oriented Swift 2.0

Achieved
Nov 5, 2015
Achievement
Function Parameters

Swift 2.0 Functions

Achieved
Oct 29, 2015
Achievement
Functions in Swift 2.0

Swift 2.0 Functions

Achieved
Oct 29, 2015
Achievement
Creating Flexible Objects with Protocols

Swift Protocols

Achieved
Oct 27, 2015
Achievement
Protocols

Swift Protocols

Achieved
Oct 22, 2015
Achievement
Control Flow with Conditional Statements

Swift 2.0 Collections and Control Flow

Achieved
Oct 22, 2015
Achievement
Control Flow With Loops

Swift 2.0 Collections and Control Flow

Achieved
Oct 22, 2015
Achievement
Swift Dictionaries

Swift 2.0 Collections and Control Flow

Achieved
Oct 22, 2015
Achievement
Introduction to Collections

Swift 2.0 Collections and Control Flow

Achieved
Oct 22, 2015
Achievement
Swift Operators

Swift 2.0 Basics

Achieved
Oct 22, 2015
Achievement
Swift Types

Swift 2.0 Basics

Achieved
Oct 22, 2015
Achievement
An Introduction to Swift Programming

Swift 2.0 Basics

Achieved
Oct 22, 2015
Achievement
Character Builder

Flask Basics

Achieved
Oct 11, 2015
Achievement
Flask Templates

Flask Basics

Achieved
Oct 10, 2015
Achievement
Welcome to Flask

Flask Basics

Achieved
Oct 9, 2015
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Jul 30, 2015
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Jul 29, 2015
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Jul 26, 2015
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Jul 26, 2015
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Jul 26, 2015
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Jul 26, 2015
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Jul 25, 2015
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Jul 25, 2015
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Jul 25, 2015
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Jul 25, 2015
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Jul 25, 2015
Achievement
Wireframing, Interaction Design and Planning

Mobile App Design for iOS

Achieved
Jul 24, 2015
Achievement
ADS Writing and Preparation

Mobile App Design for iOS

Achieved
Jul 23, 2015
Achievement
Introduction to UI Design

Mobile App Design for iOS

Achieved
Jul 23, 2015
Achievement
Refreshing the Data

Build a Weather App with Swift

Achieved
Jul 19, 2015
Achievement
Adding Weather Icons

Build a Weather App with Swift

Achieved
Jul 19, 2015
Achievement
Managing Complexity

Build a Weather App with Swift

Achieved
Jul 13, 2015
Achievement
Interacting With Data From the Web

Build a Weather App with Swift

Achieved
Jul 12, 2015
Achievement
Simple Data Structures

Build a Weather App with Swift

Achieved
Jul 9, 2015
Achievement
Closures in iOS

Swift Closures

Achieved
Jul 8, 2015
Achievement
Closures and Closure Expressions

Swift Closures

Achieved
Jul 8, 2015
Achievement
Functions as First Class Citizens

Swift Closures

Achieved
Jul 7, 2015
Achievement
Refactoring Our Code (Swift)

Build a Playlist Browser with Swift

Achieved
Jul 6, 2015
Achievement
Building the Master and Detail Views (Swift)

Build a Playlist Browser with Swift

Achieved
Jul 6, 2015
Achievement
Building a Music Library and Playlists (Swift)

Build a Playlist Browser with Swift

Achieved
Jul 6, 2015
Achievement
Using a Navigation Controller With Segues (Swift)

Build a Playlist Browser with Swift

Achieved
Jul 6, 2015
Achievement
Working With Multiple View Controllers (Swift)

Build a Playlist Browser with Swift

Achieved
Jul 5, 2015
Achievement
Deploying to a Device

Build a Simple iPhone App with Swift

Achieved
Jul 5, 2015
Achievement
Debugging Our App

Build a Simple iPhone App with Swift

Achieved
Jul 5, 2015
Achievement
Improving Our User Interface

Build a Simple iPhone App with Swift

Achieved
Jul 5, 2015
Achievement
Using a Data Model

Build a Simple iPhone App with Swift

Achieved
Jul 5, 2015
Achievement
Views and View Controllers

Build a Simple iPhone App with Swift

Achieved
Jul 5, 2015
Achievement
Getting Started with Xcode

Build a Simple iPhone App with Swift

Achieved
Jul 5, 2015
Achievement
Swift Value vs Reference Types

Object-Oriented Swift

Achieved
Jul 5, 2015
Achievement
Swift Properties

Object-Oriented Swift

Achieved
Jul 5, 2015
Achievement
Swift Inheritance

Object-Oriented Swift

Achieved
Jul 5, 2015
Achievement
Swift Classes and Objects

Object-Oriented Swift

Achieved
Jul 5, 2015
Achievement
Swift Structs and their Methods

Swift Enums and Structs

Achieved
Jul 5, 2015
Achievement
Swift Structs

Swift Enums and Structs

Achieved
Jul 5, 2015
Achievement
Swift Enums and their Methods

Swift Enums and Structs

Achieved
Jul 5, 2015
Achievement
Swift Enums

Swift Enums and Structs

Achieved
Jul 5, 2015
Achievement
Swift Optionals

Swift Functions and Optionals

Achieved
Jul 5, 2015
Achievement
Swift Parameters and Tuples

Swift Functions and Optionals

Achieved
Jul 4, 2015
Achievement
Swift Functions

Swift Functions and Optionals

Achieved
Jul 4, 2015
Achievement
Control Flow

Swift Basics (retired)

Achieved
Jul 4, 2015
Achievement
Collections

Swift Basics (retired)

Achieved
Jul 4, 2015
Achievement
Operators

Swift Basics (retired)

Achieved
Jul 4, 2015
Achievement
Types

Swift Basics (retired)

Achieved
Jul 4, 2015
Achievement
Variables and Constants

Swift Basics (retired)

Achieved
Jul 3, 2015
Achievement
Covering Your Bases

Python Testing

Achieved
Jul 3, 2015
Achievement
Be Assertive!

Python Testing

Achieved
Jul 3, 2015
Achievement
What Is Testing?

Python Testing

Achieved
Jun 30, 2015
Achievement
Gettin' CRUD-y With It

Using Databases in Python

Achieved
Jun 28, 2015
Achievement
Manipulating Schema with SQL

Database Foundations

Achieved
Jun 5, 2015
Achievement
Reading Data from Databases with SQL

Database Foundations

Achieved
Jun 4, 2015
Achievement
Creating Tables and Manipulating Data with SQL

Database Foundations

Achieved
Jun 3, 2015
Achievement
Installing MySQL Server and MySQL Workbench

Database Foundations

Achieved
Jun 3, 2015
Achievement
Our Diary App

Using Databases in Python

Achieved
May 26, 2015
Achievement
Meet Peewee

Using Databases in Python

Achieved
May 25, 2015
Achievement
Introduction to Data, Databases and SQL

Database Foundations

Achieved
May 25, 2015
Achievement
Python Regular Expressions

Regular Expressions in Python

Achieved
May 25, 2015
Achievement
Timezones

Dates and Times in Python (2014)

Achieved
May 16, 2015
Achievement
Math Quiz App

Dates and Times in Python (2014)

Achieved
May 15, 2015
Achievement
Dates and Times

Dates and Times in Python (2014)

Achieved
May 10, 2015
Achievement
Buggy Logs

Write Better Python

Achieved
May 4, 2015
Achievement
Cleaner Code

Write Better Python

Achieved
May 4, 2015
Achievement
Local Python

Setting Up a Local Python Environment

Achieved
May 4, 2015
Achievement
Hack-n-Slash

Object-Oriented Python (retired)

Achieved
May 4, 2015
Achievement
Python Inheritance

Object-Oriented Python (retired)

Achieved
May 4, 2015
Achievement
Python Objects

Object-Oriented Python (retired)

Achieved
May 2, 2015
Achievement
Dungeon Game

Python Collections (Retired)

Achieved
May 2, 2015
Achievement
Tuples

Python Collections (Retired)

Achieved
May 2, 2015
Achievement
Dictionaries

Python Collections (Retired)

Achieved
Apr 30, 2015
Achievement
Slices

Python Collections (Retired)

Achieved
Apr 30, 2015
Achievement
Lists Redux

Python Collections (Retired)

Achieved
Apr 27, 2015
Achievement
Pick a Number! Any Number!

Python Basics (Retired)

Achieved
Apr 27, 2015
Achievement
Putting the "Fun" Back in "Functions"

Python Basics (Retired)

Achieved
Apr 24, 2015
Achievement
Shopping List

Python Basics (Retired)

Achieved
Apr 24, 2015
Achievement
Things That Count

Python Basics (Retired)

Achieved
Apr 23, 2015
Achievement
Ins & Outs

Python Basics (Retired)

Achieved
Apr 23, 2015
Achievement
Say Hello to Python

Python Basics (Retired)

Achieved
Apr 23, 2015
Achievement
JavaScript Numbers

JavaScript Foundations

Achieved
Jan 31, 2015
Achievement
JavaScript Strings

JavaScript Foundations

Achieved
Jan 31, 2015
Achievement
Introduction Variables

JavaScript Foundations

Achieved
Jan 31, 2015
Achievement
Functions

Introduction to Programming

Achieved
Jan 28, 2015
Achievement
Objects and Arrays

Introduction to Programming

Achieved
Jan 28, 2015
Achievement
Control Structures

Introduction to Programming

Achieved
Jan 28, 2015
Achievement
Basics

Introduction to Programming

Achieved
Jan 28, 2015
Achievement
Web Typography

CSS Foundations

Achieved
Jan 28, 2015
Achievement
Backgrounds and Borders

CSS Foundations

Achieved
Dec 4, 2014
Achievement
CSS Box Model

CSS Foundations

Achieved
Dec 4, 2014
Achievement
Text, Fonts, and Lists

CSS Foundations

Achieved
Nov 30, 2014
Achievement
Values and Units

CSS Foundations

Achieved
Nov 26, 2014
Achievement
Advanced Selectors

CSS Foundations

Achieved
Nov 23, 2014
Achievement
Selectors

CSS Foundations

Achieved
Nov 17, 2014
Achievement
Getting Started with CSS

CSS Foundations

Achieved
Nov 13, 2014
Achievement
Structuring Tables

HTML Tables

Achieved
Nov 12, 2014
Achievement
Table Basics

HTML Tables

Achieved
Nov 12, 2014
Achievement
Choosing Options

HTML Forms

Achieved
Nov 11, 2014
Achievement
Organizing Forms

HTML Forms

Achieved
Nov 11, 2014
Achievement
Form Basics

HTML Forms

Achieved
Nov 11, 2014
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Nov 10, 2014
Achievement
Sharing a Website

How to Make a Website

Achieved
Nov 10, 2014
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Nov 9, 2014
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Aug 10, 2014
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Aug 5, 2014
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Aug 3, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Jul 29, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
Jul 28, 2014
Achievement
HTML First

How to Make a Website

Achieved
Jul 27, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
May 16, 2014
Achievement
Designing and Starting the App

Build a Self-Destructing Message iPhone App

Achieved
May 10, 2014
Achievement
Viewing a Web Page

Build a Blog Reader iPhone App

Achieved
May 7, 2014
Achievement
Adapting Data for Display

Build a Blog Reader iPhone App

Achieved
May 3, 2014
Achievement
Data Modeling

Build a Blog Reader iPhone App

Achieved
May 2, 2014
Achievement
Getting Data from the Web

Build a Blog Reader iPhone App

Achieved
May 1, 2014
Achievement
Rebuilding from Scratch

Build a Blog Reader iPhone App

Achieved
May 1, 2014
Achievement
Exploring the Master-Detail Template

Build a Blog Reader iPhone App

Achieved
Apr 30, 2014
Achievement
Testing and Debugging

Build a Simple iPhone App (iOS7)

Achieved
Apr 30, 2014
Achievement
Animate This (iOS7)

Build a Simple iPhone App (iOS7)

Achieved
Apr 30, 2014
Achievement
Designing your App

Build a Simple iPhone App (iOS7)

Achieved
Apr 28, 2014
Achievement
Refactoring into a Model

Build a Simple iPhone App (iOS7)

Achieved
Apr 27, 2014
Achievement
Creating a Data Collection

Build a Simple iPhone App (iOS7)

Achieved
Apr 27, 2014
Achievement
Understanding Views and View Controllers

Build a Simple iPhone App (iOS7)

Achieved
Apr 27, 2014
Achievement
Getting Started (iOS7)

Build a Simple iPhone App (iOS7)

Achieved
Apr 27, 2014
Achievement
Beyond the Basics

Objective-C Basics (Retired)

Achieved
Apr 26, 2014
Achievement
Advanced Objective-C

Objective-C Basics (Retired)

Achieved
Apr 26, 2014
Achievement
Why Version Control Matters

Git Basics

Achieved
Apr 26, 2014
Achievement
Installing Programs

Console Foundations

Achieved
Apr 26, 2014
Achievement
Environment and Redirection

Console Foundations

Achieved
Apr 26, 2014
Achievement
Console Processes

Console Foundations

Achieved
Apr 26, 2014
Achievement
Console Users and Permission

Console Foundations

Achieved
Apr 26, 2014
Achievement
Moving Around in the Console

Console Foundations

Achieved
Apr 26, 2014
Achievement
Foundation Framework

Objective-C Basics (Retired)

Achieved
Apr 26, 2014
Achievement
Pointers and Memory

Objective-C Basics (Retired)

Achieved
Apr 25, 2014
Achievement
Introduction to Objective-C

Objective-C Basics (Retired)

Achieved
Apr 25, 2014
Achievement
Functional Programming in C

Objective-C Basics (Retired)

Achieved
Apr 25, 2014
Achievement
Fundamentals of C

Objective-C Basics (Retired)

Achieved
Apr 25, 2014
Achievement
Newbie

Achieved
Apr 25, 2014