Wenfeng Ren

Wenfeng Ren

Member Since December 13, 2014

8,697

Total Points

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

Skills & Experience

  • Company

    Virginia Tech

94 Achievements

  • Achievement

    Stateful Components

    React Basics (retired)

    Achieved

    Oct 3, 2016

    Stateful Components
  • Achievement

    Thinking in Components

    React Basics (retired)

    Achieved

    Oct 3, 2016

    Thinking in Components
  • Achievement

    First Steps in React

    React Basics (retired)

    Achieved

    Sep 4, 2016

    First Steps in React
  • Achievement

    Building a Command Line Application

    Node.js Basics (2014)

    Achieved

    Jul 25, 2016

    Building a Command Line Application
  • Achievement

    Quiz Practice Project

    Object-Oriented JavaScript (2015)

    Achieved

    Jul 23, 2016

    Quiz Practice Project
  • Achievement

    Prototypal Inheritance

    Object-Oriented JavaScript (2015)

    Achieved

    Jul 23, 2016

    Prototypal Inheritance
  • Achievement

    Constructor Functions & Prototypes

    Object-Oriented JavaScript (2015)

    Achieved

    Jul 22, 2016

    Constructor Functions & Prototypes
  • Achievement

    Introduction to Methods

    Object-Oriented JavaScript (2015)

    Achieved

    Jul 22, 2016

    Introduction to Methods
  • Achievement

    Creating a Simple Drawing Application

    jQuery Basics (2014)

    Achieved

    Jul 22, 2016

    Creating a Simple Drawing Application
  • Achievement

    Introduction to Node.js

    Node.js Basics (2014)

    Achieved

    May 8, 2016

    Introduction to Node.js
  • Achievement

    Creating a Password Confirmation Form

    jQuery Basics (2014)

    Achieved

    Apr 2, 2016

    Creating a Password Confirmation Form
  • Achievement

    Python Inheritance

    Object-Oriented Python (retired)

    Achieved

    Apr 2, 2016

    Python Inheritance
  • Achievement

    Python Objects

    Object-Oriented Python (retired)

    Achieved

    Apr 2, 2016

    Python Objects
  • Achievement

    Lists Redux

    Python Collections (Retired)

    Achieved

    Apr 1, 2016

    Lists Redux
  • Achievement

    Tuples

    Python Collections (Retired)

    Achieved

    Apr 1, 2016

    Tuples
  • Achievement

    Shopping List App

    Python Basics (2015)

    Achieved

    Apr 1, 2016

    Shopping List App
  • Achievement

    Logic in Python

    Python Basics (2015)

    Achieved

    Apr 1, 2016

    Logic in Python
  • Achievement

    Python Data Types

    Python Basics (2015)

    Achieved

    Apr 1, 2016

    Python Data Types
  • Achievement

    Python For Beginners

    Python Basics (2015)

    Achieved

    Mar 31, 2016

    Python For Beginners
  • Achievement

    Creating a Mobile Drop Down Menu

    jQuery Basics (2014)

    Achieved

    Mar 28, 2016

    Creating a Mobile Drop Down Menu
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Feb 25, 2016

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Feb 25, 2016

    AJAX Concepts
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Feb 7, 2016

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Feb 7, 2016

    JavaScript Arrays
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Feb 2, 2016

    JavaScript Loops
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Jan 31, 2016

    JavaScript Functions
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Jan 31, 2016

    JavaScript Numbers
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Jan 27, 2016

    JavaScript Conditional Statements
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Jan 27, 2016

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Jan 24, 2016

    Introducing JavaScript
  • Achievement

    Introduction to Design

    Design Foundations

    Achieved

    Nov 8, 2015

    Introduction to Design
  • Achievement

    Say Hello to Python

    Python Basics (Retired)

    Achieved

    Oct 22, 2015

    Say Hello to Python
  • Achievement

    Swift Classes and Objects

    Object-Oriented Swift

    Achieved

    Oct 8, 2015

    Swift Classes and Objects
  • Achievement

    Swift Enums

    Swift Enums and Structs

    Achieved

    Oct 8, 2015

    Swift Enums
  • Achievement

    Swift Optionals

    Swift Functions and Optionals

    Achieved

    Oct 8, 2015

    Swift Optionals
  • Achievement

    Swift Parameters and Tuples

    Swift Functions and Optionals

    Achieved

    Oct 8, 2015

    Swift Parameters and Tuples
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Aug 30, 2015

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Aug 30, 2015

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Aug 30, 2015

    Introduction to jQuery
  • Achievement

    Views and View Controllers

    Build a Simple iPhone App with Swift

    Achieved

    Aug 26, 2015

    Views and View Controllers
  • Achievement

    Getting Started with Xcode

    Build a Simple iPhone App with Swift

    Achieved

    Aug 25, 2015

    Getting Started with Xcode
  • Achievement

    Custom ListViews

    Android Lists and Adapters (2015)

    Achieved

    Jul 8, 2015

    Custom ListViews
  • Achievement

    Standard ListViews

    Android Lists and Adapters (2015)

    Achieved

    Jul 5, 2015

    Standard ListViews
  • Achievement

    Updating the Data Model

    Android Lists and Adapters (2015)

    Achieved

    Jul 3, 2015

    Updating the Data Model
  • Achievement

    Hooking up the Model to the View

    Build a Weather App (2015)

    Achieved

    Jul 3, 2015

    Hooking up the Model to the View
  • Achievement

    Building the Weather UI

    Build a Weather App (2015)

    Achieved

    Jul 1, 2015

    Building the Weather UI
  • Achievement

    Working with JSON

    Build a Weather App (2015)

    Achieved

    Jun 29, 2015

    Working with JSON
  • Achievement

    Concurrency and Error Handling

    Build a Weather App (2015)

    Achieved

    Jun 29, 2015

    Concurrency and Error Handling
  • Achievement

    Networking

    Build a Weather App (2015)

    Achieved

    Jun 28, 2015

    Networking
  • Achievement

    Exploring an API

    Build a Weather App (2015)

    Achieved

    Jun 28, 2015

    Exploring an API
  • Achievement

    Using Git for Android

    Android Tools

    Achieved

    Jun 28, 2015

    Using Git for Android
  • Achievement

    Getting Started with Genymotion

    Android Tools

    Achieved

    Jun 28, 2015

    Getting Started with Genymotion
  • Achievement

    Getting Started with Android Studio

    Android Tools

    Achieved

    Jun 28, 2015

    Getting Started with Android Studio
  • Achievement

    Publishing on Google Play

    Publish an Android App

    Achieved

    Jun 27, 2015

    Publishing on Google Play
  • Achievement

    Finishing the User Interface

    Build an Interactive Story App (Retired)

    Achieved

    Jun 27, 2015

    Finishing the User Interface
  • Achievement

    The Model-View-Controller Pattern

    Build an Interactive Story App (Retired)

    Achieved

    Jun 26, 2015

    The Model-View-Controller Pattern
  • Achievement

    Intents and Multiple Activities

    Build an Interactive Story App (Retired)

    Achieved

    Jun 24, 2015

    Intents and Multiple Activities
  • Achievement

    User Input

    Build an Interactive Story App (Retired)

    Achieved

    Jun 24, 2015

    User Input
  • Achievement

    Testing and Debugging

    Build a Simple Android App (2014)

    Achieved

    Jun 24, 2015

    Testing and Debugging
  • Achievement

    Improving Our Code

    Build a Simple Android App (2014)

    Achieved

    Jun 23, 2015

    Improving Our Code
  • Achievement

    Coding the Fun Facts

    Build a Simple Android App (2014)

    Achieved

    Jun 21, 2015

    Coding the Fun Facts
  • Achievement

    Basic Android Programming

    Build a Simple Android App (2014)

    Achieved

    Jun 21, 2015

    Basic Android Programming
  • Achievement

    Creating the Initial Screen Layout

    Build a Simple Android App (2014)

    Achieved

    Jun 21, 2015

    Creating the Initial Screen Layout
  • Achievement

    Getting Started with Android

    Build a Simple Android App (2014)

    Achieved

    Jun 21, 2015

    Getting Started with Android
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    May 21, 2015

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    May 21, 2015

    Table Basics
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    May 19, 2015

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    May 5, 2015

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    May 5, 2015

    Form Basics
  • Achievement

    Advanced Selectors

    CSS Selectors

    Achieved

    May 5, 2015

    Advanced Selectors
  • Achievement

    Going Further with Attribute Selectors and Pseudo-Classes

    CSS Selectors

    Achieved

    May 4, 2015

    Going Further with Attribute Selectors and Pseudo-Classes
  • Achievement

    Selectors - Beyond the Basics

    CSS Selectors

    Achieved

    Mar 31, 2015

    Selectors - Beyond the Basics
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Mar 31, 2015

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Mar 31, 2015

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Mar 25, 2015

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Mar 25, 2015

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Mar 24, 2015

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Mar 24, 2015

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Mar 18, 2015

    Getting Started with CSS
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Mar 11, 2015

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Mar 11, 2015

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Mar 11, 2015

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Mar 11, 2015

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Mar 11, 2015

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Mar 11, 2015

    Creating HTML Content
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Mar 11, 2015

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Mar 8, 2015

    Sharing a Website
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Dec 21, 2014

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Dec 21, 2014

    Beginning HTML and CSS
  • Achievement

    Working with Media in WordPress

    WordPress for Website Owners

    Achieved

    Dec 17, 2014

    Working with Media in WordPress
  • Achievement

    Adding and Editing Content

    WordPress for Website Owners

    Achieved

    Dec 14, 2014

    Adding and Editing Content
  • Achievement

    Getting a WordPress Site

    WordPress for Website Owners

    Achieved

    Dec 14, 2014

    Getting a WordPress Site
  • Achievement

    Getting Started with WordPress

    Getting Started with WordPress

    Achieved

    Dec 14, 2014

    Getting Started with WordPress
  • Achievement

    Newbie

    Achieved

    Dec 13, 2014

    Newbie