Kar Fei Chen

Kar Fei Chen

Member Since November 12, 2015

5,006

Total Points

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62 Achievements

  • Achievement

    Perform

    C# Basics (Retired)

    Achieved

    Apr 21, 2017

    Perform
  • Achievement

    Console I/O

    C# Basics (Retired)

    Achieved

    Apr 20, 2017

    Console I/O
  • Achievement

    Prepare and Plan

    C# Basics (Retired)

    Achieved

    Apr 20, 2017

    Prepare and Plan
  • Achievement

    Running Apps on a Device

    Build a Simple iPhone App with Swift

    Achieved

    Mar 29, 2017

    Running Apps on a Device
  • Achievement

    Improving Our User Interface

    Build a Simple iPhone App with Swift

    Achieved

    Mar 29, 2017

    Improving Our User Interface
  • Achievement

    Structs As Data Models

    Build a Simple iPhone App with Swift

    Achieved

    Mar 28, 2017

    Structs As Data Models
  • Achievement

    View Controllers and Views

    Build a Simple iPhone App with Swift

    Achieved

    Mar 28, 2017

    View Controllers and Views
  • Achievement

    Getting Started with iOS Development

    Build a Simple iPhone App with Swift

    Achieved

    Mar 27, 2017

    Getting Started with iOS Development
  • Achievement

    Protocol Basics

    Protocols in Swift

    Achieved

    Mar 27, 2017

    Protocol Basics
  • Achievement

    Objects and Optionals

    Enumerations and Optionals in Swift

    Achieved

    Mar 26, 2017

    Objects and Optionals
  • Achievement

    Introduction to Optionals

    Enumerations and Optionals in Swift

    Achieved

    Mar 25, 2017

    Introduction to Optionals
  • Achievement

    Introduction to Enumerations

    Enumerations and Optionals in Swift

    Achieved

    Mar 24, 2017

    Introduction to Enumerations
  • Achievement

    Differentiating Between Objects

    Object-Oriented Swift

    Achieved

    Mar 22, 2017

    Differentiating Between Objects
  • Achievement

    Class Inheritance

    Object-Oriented Swift

    Achieved

    Mar 22, 2017

    Class Inheritance
  • Achievement

    Classes in Swift

    Object-Oriented Swift

    Achieved

    Mar 22, 2017

    Classes in Swift
  • Achievement

    Complex Data Structures

    Object-Oriented Swift

    Achieved

    Mar 21, 2017

    Complex Data Structures
  • Achievement

    Adding Power to Functions

    Functions in Swift

    Achieved

    Mar 21, 2017

    Adding Power to Functions
  • Achievement

    Functions in Swift

    Functions in Swift

    Achieved

    Mar 17, 2017

    Functions in Swift
  • Achievement

    Control Flow With Conditional Statements

    Swift Collections and Control Flow

    Achieved

    Mar 17, 2017

    Control Flow With Conditional Statements
  • Achievement

    Control Flow With Loops

    Swift Collections and Control Flow

    Achieved

    Mar 15, 2017

    Control Flow With Loops
  • Achievement

    Dictionaries in Swift

    Swift Collections and Control Flow

    Achieved

    Mar 15, 2017

    Dictionaries in Swift
  • Achievement

    Introduction to Collections

    Swift Collections and Control Flow

    Achieved

    Mar 14, 2017

    Introduction to Collections
  • Achievement

    Swift Operators

    Swift Basics

    Achieved

    Mar 13, 2017

    Swift Operators
  • Achievement

    Swift Types

    Swift Basics

    Achieved

    Mar 13, 2017

    Swift Types
  • Achievement

    An Introduction to Swift Programming

    Swift Basics

    Achieved

    Mar 13, 2017

    An Introduction to Swift Programming
  • Achievement

    Testing and Debugging

    Build a Simple Android App

    Achieved

    Feb 3, 2016

    Testing and Debugging
  • Achievement

    Acting on List Item Taps

    Android Lists and Adapters (2015)

    Achieved

    Feb 2, 2016

    Acting on List Item Taps
  • Achievement

    Lists with RecyclerViews

    Android Lists and Adapters (2015)

    Achieved

    Feb 2, 2016

    Lists with RecyclerViews
  • Achievement

    Using Parcelable Data

    Android Lists and Adapters (2015)

    Achieved

    Feb 2, 2016

    Using Parcelable Data
  • Achievement

    Custom ListViews

    Android Lists and Adapters (2015)

    Achieved

    Feb 2, 2016

    Custom ListViews
  • Achievement

    Standard ListViews

    Android Lists and Adapters (2015)

    Achieved

    Feb 1, 2016

    Standard ListViews
  • Achievement

    Updating the Data Model

    Android Lists and Adapters (2015)

    Achieved

    Feb 1, 2016

    Updating the Data Model
  • Achievement

    Hooking up the Model to the View

    Build a Weather App (2015)

    Achieved

    Jan 28, 2016

    Hooking up the Model to the View
  • Achievement

    Building the Weather UI

    Build a Weather App (2015)

    Achieved

    Jan 28, 2016

    Building the Weather UI
  • Achievement

    Working with JSON

    Build a Weather App (2015)

    Achieved

    Jan 28, 2016

    Working with JSON
  • Achievement

    Concurrency and Error Handling

    Build a Weather App (2015)

    Achieved

    Jan 27, 2016

    Concurrency and Error Handling
  • Achievement

    Networking

    Build a Weather App (2015)

    Achieved

    Jan 26, 2016

    Networking
  • Achievement

    Improving Our Code

    Build a Simple Android App

    Achieved

    Jan 20, 2016

    Improving Our Code
  • Achievement

    Basic Android Programming

    Build a Simple Android App

    Achieved

    Jan 19, 2016

    Basic Android Programming
  • Achievement

    Creating the Screen Layout

    Build a Simple Android App

    Achieved

    Jan 19, 2016

    Creating the Screen Layout
  • Achievement

    Getting Started with Android

    Build a Simple Android App

    Achieved

    Jan 18, 2016

    Getting Started with Android
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Dec 23, 2015

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Dec 23, 2015

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Dec 19, 2015

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Dec 19, 2015

    Beginning HTML and CSS
  • Achievement

    Exploring an API

    Build a Weather App (2015)

    Achieved

    Dec 17, 2015

    Exploring an API
  • Achievement

    Finishing the User Interface

    Build an Interactive Story App (Retired)

    Achieved

    Dec 16, 2015

    Finishing the User Interface
  • Achievement

    The Model-View-Controller Pattern

    Build an Interactive Story App (Retired)

    Achieved

    Dec 15, 2015

    The Model-View-Controller Pattern
  • Achievement

    Meet Objects

    Java Objects (Retired)

    Achieved

    Nov 25, 2015

    Meet Objects
  • Achievement

    Perfecting the Prototype

    Java Basics

    Achieved

    Nov 23, 2015

    Perfecting the Prototype
  • Achievement

    Using your New Tools

    Java Basics

    Achieved

    Nov 20, 2015

    Using your New Tools
  • Achievement

    Getting Started with Java

    Java Basics

    Achieved

    Nov 20, 2015

    Getting Started with Java
  • Achievement

    Intents and Multiple Activities

    Build an Interactive Story App (Retired)

    Achieved

    Nov 19, 2015

    Intents and Multiple Activities
  • Achievement

    User Input

    Build an Interactive Story App (Retired)

    Achieved

    Nov 17, 2015

    User Input
  • Achievement

    Testing and Debugging

    Build a Simple Android App (2014)

    Achieved

    Nov 17, 2015

    Testing and Debugging
  • Achievement

    Improving Our Code

    Build a Simple Android App (2014)

    Achieved

    Nov 15, 2015

    Improving Our Code
  • Achievement

    Coding the Fun Facts

    Build a Simple Android App (2014)

    Achieved

    Nov 13, 2015

    Coding the Fun Facts
  • Achievement

    Basic Android Programming

    Build a Simple Android App (2014)

    Achieved

    Nov 12, 2015

    Basic Android Programming
  • Achievement

    Creating the Initial Screen Layout

    Build a Simple Android App (2014)

    Achieved

    Nov 12, 2015

    Creating the Initial Screen Layout
  • Achievement

    Getting Started with Android

    Build a Simple Android App (2014)

    Achieved

    Nov 12, 2015

    Getting Started with Android
  • Achievement

    Getting Started with Genymotion

    Android Tools

    Achieved

    Nov 12, 2015

    Getting Started with Genymotion
  • Achievement

    Newbie

    Achieved

    Nov 12, 2015

    Newbie