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Christian Mangeng

Member Since March 13, 2017

15,970

Total Points

•
4,547

Python

4145 pts
Achievements

402 pts
Forum
•
1,337

C#

1335 pts
Achievements

2 pts
Forum
•
1,124

JavaScript

1110 pts
Achievements

14 pts
Forum
•
656

HTML

643 pts
Achievements

13 pts
Forum
•
511

Design

511 pts
Achievements

0 pts
Forum
•
398

Development Tools

398 pts
Achievements

0 pts
Forum
•
353

Security

353 pts
Achievements

0 pts
Forum
•
351

Ruby

351 pts
Achievements

0 pts
Forum
•
307

Data Analysis

307 pts
Achievements

0 pts
Forum
•
287

Java

275 pts
Achievements

12 pts
Forum
•
232

Databases

232 pts
Achievements

0 pts
Forum
•
214

CSS

214 pts
Achievements

0 pts
Forum
•
189

Business

189 pts
Achievements

0 pts
Forum
•
79

Machine Learning

79 pts
Achievements

0 pts
Forum
•
21

Digital Literacy

21 pts
Achievements

0 pts
Forum
•
20

PHP

20 pts
Achievements

0 pts
Forum
•
10

APIs

10 pts
Achievements

0 pts
Forum
•
9

Android

9 pts
Achievements

0 pts
Forum
•
1

Quality Assurance

1 pts
Achievements

0 pts
Forum
•
1

Go Language

1 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.

190 Achievements

Achievement
Array Programming

Introduction to NumPy

Achieved
Feb 5, 2019
Achievement
Array Organization

Introduction to NumPy

Achieved
Jan 27, 2019
Achievement
Meet NumPy

Introduction to NumPy

Achieved
Jan 9, 2019
Achievement
Functional Rules

Functional Python

Achieved
Jan 5, 2019
Achievement
Build an Application

Introducing Lists

Achieved
Jan 5, 2019
Achievement
Using Lists

Introducing Lists

Achieved
Jan 5, 2019
Achievement
Meet Lists

Introducing Lists

Achieved
Jan 4, 2019
Achievement
All Together Now

Python Basics

Achieved
Jan 4, 2019
Achievement
Functions and Looping

Python Basics

Achieved
Jan 4, 2019
Achievement
Types and Branching

Python Basics

Achieved
Jan 4, 2019
Achievement
Meet Python

Python Basics

Achieved
Jan 3, 2019
Achievement
Machine Learning Vocabulary

Machine Learning Basics

Achieved
Jan 3, 2019
Achievement
Introduction to Machine Learning

Machine Learning Basics

Achieved
Jan 2, 2019
Achievement
Getting Started with Data Visualization

Introduction to Data Visualization with Matplotlib

Achieved
Mar 4, 2018
Achievement
Sound Design

Mobile Game Design

Achieved
Sep 25, 2017
Achievement
Animating and Saving Sprites

Mobile Game Design

Achieved
Sep 25, 2017
Achievement
Designing Characters and a Scene

Mobile Game Design

Achieved
Sep 25, 2017
Achievement
Working with a Developer

Mobile App Design for iOS

Achieved
Sep 24, 2017
Achievement
Designing our App

Mobile App Design for iOS

Achieved
Sep 24, 2017
Achievement
Wireframing, Interaction Design and Planning

Mobile App Design for iOS

Achieved
Sep 24, 2017
Achievement
ADS Writing and Preparation

Mobile App Design for iOS

Achieved
Sep 24, 2017
Achievement
Introduction to UI Design

Mobile App Design for iOS

Achieved
Sep 24, 2017
Achievement
Introduction to Game Design

Mobile Game Design

Achieved
Sep 23, 2017
Achievement
A High Level Overview

Introduction to Table Views

Achieved
Sep 22, 2017
Achievement
Dark Sky API Client

Build a Weather App

Achieved
Sep 22, 2017
Achievement
Using the Delegate Pattern in iOS

Delegation in iOS

Achieved
Sep 22, 2017
Achievement
Generics and Protocols

Generics in Swift

Achieved
Sep 21, 2017
Achievement
Downloading JSON Data Asynchronously

Build a Weather App

Achieved
Sep 21, 2017
Achievement
Fetching Data From the Web

Build a Weather App

Achieved
Sep 20, 2017
Achievement
Modeling Forecast Data

Build a Weather App

Achieved
Sep 19, 2017
Achievement
Personalizing The Story

Build an Interactive Story App with Swift

Achieved
Sep 18, 2017
Achievement
Refactoring Our Code

Build an Interactive Story App with Swift

Achieved
Sep 18, 2017
Achievement
Creating the User Interface Programmatically

Build an Interactive Story App with Swift

Achieved
Sep 18, 2017
Achievement
Adding Sound Effects

Build an Interactive Story App with Swift

Achieved
Sep 13, 2017
Achievement
The Delegate Pattern

Delegation in iOS

Achieved
Sep 12, 2017
Achievement
Error Handling and Memory Management

Closures in Swift

Achieved
Sep 12, 2017
Achievement
Building Standard Library Functions

Closures in Swift

Achieved
Sep 12, 2017
Achievement
Closure Expressions

Closures in Swift

Achieved
Sep 10, 2017
Achievement
First Class Functions

Closures in Swift

Achieved
Sep 10, 2017
Achievement
Security: Solutions

Introduction to Data Security

Achieved
Sep 9, 2017
Achievement
Generic Types

Generics in Swift

Achieved
Sep 8, 2017
Achievement
Generic Functions, Parameters and Constraints

Generics in Swift

Achieved
Sep 8, 2017
Achievement
Creating a Story

Build an Interactive Story App with Swift

Achieved
Sep 5, 2017
Achievement
Navigating Through An Adventure

Build an Interactive Story App with Swift

Achieved
Sep 4, 2017
Achievement
Security: Concerns

Introduction to Data Security

Achieved
Aug 27, 2017
Achievement
Security in Practice

Security Literacy

Achieved
Aug 27, 2017
Achievement
Common Attacks and Defenses

Security Literacy

Achieved
Aug 27, 2017
Achievement
Hello Internet!

Security Literacy

Achieved
Aug 25, 2017
Achievement
Practicing Data Visualization in Excel

Data Visualization with Excel

Achieved
Aug 24, 2017
Achievement
Chart Formatting and Layout

Data Visualization with Excel

Achieved
Aug 21, 2017
Achievement
When To Use What Type of Chart

Data Visualization with Excel

Achieved
Aug 20, 2017
Achievement
Introduction To Data Visualization

Data Visualization with Excel

Achieved
Aug 20, 2017
Achievement
Using the Vending Machine

Build a Vending Machine App in Swift

Achieved
May 26, 2017
Achievement
Finding Your First Project

How to Freelance

Achieved
May 25, 2017
Achievement
Starting a Freelance Career

How to Freelance

Achieved
May 25, 2017
Achievement
Timezones

Dates and Times in Python (2014)

Achieved
May 23, 2017
Achievement
Installing Programs

Console Foundations

Achieved
May 23, 2017
Achievement
Environment and Redirection

Console Foundations

Achieved
May 23, 2017
Achievement
Console Processes

Console Foundations

Achieved
May 21, 2017
Achievement
Console Users and Permission

Console Foundations

Achieved
May 21, 2017
Achievement
Moving Around in the Console

Console Foundations

Achieved
May 21, 2017
Achievement
Math Quiz App

Dates and Times in Python (2014)

Achieved
May 21, 2017
Achievement
Finding the Data You Want

SQL Basics

Achieved
May 20, 2017
Achievement
Presentation Skills

Soft Skills

Achieved
May 19, 2017
Achievement
Important Skills For Professional Success

Soft Skills

Achieved
May 18, 2017
Achievement
Operators and Conditionals

Objective-C Basics

Achieved
May 18, 2017
Achievement
Data Types and Variables

Objective-C Basics

Achieved
May 18, 2017
Achievement
Intro to Objective-C

Objective-C Basics

Achieved
May 16, 2017
Achievement
Alexa Skills Kit Overview

Build an Alexa Skill

Achieved
May 12, 2017
Achievement
Getting Data from a Database

SQL Basics

Achieved
May 12, 2017
Achievement
Data, Databases and SQL

SQL Basics

Achieved
May 12, 2017
Achievement
Pickups

How to Make a Video Game

Achieved
May 11, 2017
Achievement
Ruby Methods

Ruby Basics (Retired)

Achieved
May 11, 2017
Achievement
Ruby Numbers (Ruby Basics)

Ruby Basics (Retired)

Achieved
May 11, 2017
Achievement
Ruby Strings (Ruby Basics)

Ruby Basics (Retired)

Achieved
May 11, 2017
Achievement
How Ruby Works

Ruby Basics (Retired)

Achieved
May 11, 2017
Achievement
Introducing Sketch

Sketch Basics

Achieved
May 10, 2017
Achievement
Introducing Spreadsheets

Spreadsheet Basics

Achieved
May 10, 2017
Achievement
Player Input and Cameras

How to Make a Video Game

Achieved
May 10, 2017
Achievement
The Unity Editor and Scene Setup

How to Make a Video Game

Achieved
May 9, 2017
Achievement
Abstraction

Intermediate C#

Achieved
May 8, 2017
Achievement
System.Object

Intermediate C#

Achieved
May 7, 2017
Achievement
Polymorphism

Intermediate C#

Achieved
May 7, 2017
Achievement
Loops and Final Touches

C# Objects

Achieved
May 6, 2017
Achievement
Encapsulation with Properties

C# Objects

Achieved
May 5, 2017
Achievement
Encapsulation and Arrays

C# Objects

Achieved
May 5, 2017
Achievement
Inheritance

C# Objects

Achieved
May 5, 2017
Achievement
Methods

C# Objects

Achieved
May 4, 2017
Achievement
Object-Oriented Programming

C# Objects

Achieved
May 4, 2017
Achievement
Perfect

C# Basics (Retired)

Achieved
May 3, 2017
Achievement
Perform

C# Basics (Retired)

Achieved
May 3, 2017
Achievement
Console I/O

C# Basics (Retired)

Achieved
May 3, 2017
Achievement
Prepare and Plan

C# Basics (Retired)

Achieved
May 3, 2017
Achievement
Introduction to Video Games

How to Make a Video Game

Achieved
May 1, 2017
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Apr 29, 2017
Achievement
Describing Data

Data Science Basics

Achieved
Apr 27, 2017
Achievement
Dice Roller

Object-Oriented Python

Achieved
Apr 27, 2017
Achievement
Python: Advanced Objects

Object-Oriented Python

Achieved
Apr 26, 2017
Achievement
Python: Inheritance

Object-Oriented Python

Achieved
Apr 25, 2017
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Apr 25, 2017
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Apr 24, 2017
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Apr 24, 2017
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Apr 23, 2017
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Apr 23, 2017
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Apr 22, 2017
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Apr 22, 2017
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Apr 21, 2017
Achievement
Gettin' CRUD-y With It

Using Databases in Python

Achieved
Apr 21, 2017
Achievement
Our Diary App

Using Databases in Python

Achieved
Apr 21, 2017
Achievement
Covering Your Bases

Python Testing

Achieved
Apr 21, 2017
Achievement
Be Assertive!

Python Testing

Achieved
Apr 21, 2017
Achievement
Python: Instant Objects

Object-Oriented Python

Achieved
Apr 20, 2017
Achievement
What Is Testing?

Python Testing

Achieved
Apr 19, 2017
Achievement
Meet Peewee

Using Databases in Python

Achieved
Apr 19, 2017
Achievement
Python Regular Expressions

Regular Expressions in Python

Achieved
Apr 18, 2017
Achievement
Dates and Times

Dates and Times in Python (2014)

Achieved
Apr 16, 2017
Achievement
Buggy Logs

Write Better Python

Achieved
Apr 15, 2017
Achievement
Cleaner Code

Write Better Python

Achieved
Apr 15, 2017
Achievement
Hack-n-Slash

Object-Oriented Python (retired)

Achieved
Apr 14, 2017
Achievement
Python Inheritance

Object-Oriented Python (retired)

Achieved
Apr 14, 2017
Achievement
Dungeon Game 2

Python Collections (2016, retired 2019)

Achieved
Apr 12, 2017
Achievement
Perfecting the Prototype

Java Basics

Achieved
Apr 12, 2017
Achievement
Using your New Tools

Java Basics

Achieved
Apr 11, 2017
Achievement
Getting Started with Java

Java Basics

Achieved
Apr 11, 2017
Achievement
Python Sets

Python Collections (2016, retired 2019)

Achieved
Apr 11, 2017
Achievement
Python Tuples

Python Collections (2016, retired 2019)

Achieved
Apr 10, 2017
Achievement
Python Objects

Object-Oriented Python (retired)

Achieved
Apr 9, 2017
Achievement
Getting Started with Data Science

Data Science Basics

Achieved
Apr 9, 2017
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Apr 9, 2017
Achievement
Sharing a Website

How to Make a Website

Achieved
Apr 9, 2017
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Apr 8, 2017
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Apr 8, 2017
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Apr 7, 2017
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Apr 7, 2017
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Apr 6, 2017
Achievement
Creating HTML Content

How to Make a Website

Achieved
Apr 6, 2017
Achievement
HTML First

How to Make a Website

Achieved
Apr 6, 2017
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Apr 6, 2017
Achievement
Writing Great Swift

API Design Guidelines in Swift

Achieved
Apr 5, 2017
Achievement
Access Control

Intermediate Swift

Achieved
Apr 4, 2017
Achievement
Memory Management in Swift

Intermediate Swift

Achieved
Apr 4, 2017
Achievement
Extensions and Protocols

Intermediate Swift

Achieved
Apr 4, 2017
Achievement
Value Semantics, Type Methods and Inheritance

Intermediate Swift

Achieved
Apr 4, 2017
Achievement
Displaying Additional Views

Build a Vending Machine App in Swift

Achieved
Apr 3, 2017
Achievement
Object Initialization

Intermediate Swift

Achieved
Apr 1, 2017
Achievement
Properties

Intermediate Swift

Achieved
Mar 29, 2017
Achievement
Loading Data From a Resource

Build a Vending Machine App in Swift

Achieved
Mar 29, 2017
Achievement
Welcome to the Treehouse Club

Treehouse Club: HTML

Achieved
Mar 29, 2017
Achievement
Creating Flexible Objects Using Protocols

Protocols in Swift

Achieved
Mar 28, 2017
Achievement
Protocol Basics

Protocols in Swift

Achieved
Mar 28, 2017
Achievement
Modeling an Interface

Build a Vending Machine App in Swift

Achieved
Mar 27, 2017
Achievement
Visual Format Language

Introduction to Auto Layout in iOS

Achieved
Mar 27, 2017
Achievement
Auto Layout in Code

Introduction to Auto Layout in iOS

Achieved
Mar 27, 2017
Achievement
Trait Collections

Introduction to Auto Layout in iOS

Achieved
Mar 27, 2017
Achievement
Inequalities, Content and Priorities

Introduction to Auto Layout in iOS

Achieved
Mar 27, 2017
Achievement
The Constraint Equation

Introduction to Auto Layout in iOS

Achieved
Mar 26, 2017
Achievement
A History Lesson

Introduction to Auto Layout in iOS

Achieved
Mar 26, 2017
Achievement
Error Handling

Error Handling in Swift

Achieved
Mar 26, 2017
Achievement
Objects and Optionals

Enumerations and Optionals in Swift

Achieved
Mar 25, 2017
Achievement
Introduction to Optionals

Enumerations and Optionals in Swift

Achieved
Mar 25, 2017
Achievement
Introduction to Enumerations

Enumerations and Optionals in Swift

Achieved
Mar 23, 2017
Achievement
Running Apps on a Device

Build a Simple iPhone App with Swift

Achieved
Mar 22, 2017
Achievement
Improving Our User Interface

Build a Simple iPhone App with Swift

Achieved
Mar 22, 2017
Achievement
Structs As Data Models

Build a Simple iPhone App with Swift

Achieved
Mar 21, 2017
Achievement
View Controllers and Views

Build a Simple iPhone App with Swift

Achieved
Mar 21, 2017
Achievement
Getting Started with iOS Development

Build a Simple iPhone App with Swift

Achieved
Mar 21, 2017
Achievement
Differentiating Between Objects

Object-Oriented Swift

Achieved
Mar 20, 2017
Achievement
Class Inheritance

Object-Oriented Swift

Achieved
Mar 20, 2017
Achievement
Classes in Swift

Object-Oriented Swift

Achieved
Mar 20, 2017
Achievement
Complex Data Structures

Object-Oriented Swift

Achieved
Mar 20, 2017
Achievement
Adding Power to Functions

Functions in Swift

Achieved
Mar 19, 2017
Achievement
Functions in Swift

Functions in Swift

Achieved
Mar 19, 2017
Achievement
Python Dictionaries

Python Collections (2016, retired 2019)

Achieved
Mar 19, 2017
Achievement
Control Flow With Conditional Statements

Swift Collections and Control Flow

Achieved
Mar 18, 2017
Achievement
Introduction to Video Games

How to Make a Video Game

Achieved
Mar 18, 2017
Achievement
Control Flow With Loops

Swift Collections and Control Flow

Achieved
Mar 18, 2017
Achievement
Dictionaries in Swift

Swift Collections and Control Flow

Achieved
Mar 18, 2017
Achievement
Introduction to Collections

Swift Collections and Control Flow

Achieved
Mar 18, 2017
Achievement
Swift Operators

Swift Basics

Achieved
Mar 17, 2017
Achievement
Swift Types

Swift Basics

Achieved
Mar 17, 2017
Achievement
An Introduction to Swift Programming

Swift Basics

Achieved
Mar 17, 2017
Achievement
Python Slices

Python Collections (2016, retired 2019)

Achieved
Mar 16, 2017
Achievement
Python Lists

Python Collections (2016, retired 2019)

Achieved
Mar 16, 2017
Achievement
Letter Game App

Python Basics (2015)

Achieved
Mar 15, 2017
Achievement
Number Game App

Python Basics (2015)

Achieved
Mar 14, 2017
Achievement
Shopping List App

Python Basics (2015)

Achieved
Mar 14, 2017
Achievement
Logic in Python

Python Basics (2015)

Achieved
Mar 14, 2017
Achievement
Python Data Types

Python Basics (2015)

Achieved
Mar 14, 2017
Achievement
Python For Beginners

Python Basics (2015)

Achieved
Mar 13, 2017
Achievement
Newbie

Achieved
Mar 13, 2017