Derek Fan

Derek Fan

Member Since February 10, 2016

4,645

Total Points

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45 Achievements

  • Achievement

    Gems In Depth

    Ruby Gems

    Achieved

    Jun 21, 2016

    Gems In Depth
  • Achievement

    Ruby Gems

    Ruby Gems

    Achieved

    Jun 21, 2016

    Ruby Gems
  • Achievement

    Ruby Standard Library: Part 2

    Ruby Core and Standard Library

    Achieved

    Jun 20, 2016

    Ruby Standard Library: Part 2
  • Achievement

    Ruby Standard Library: Part 1

    Ruby Core and Standard Library

    Achieved

    Jun 20, 2016

    Ruby Standard Library: Part 1
  • Achievement

    Ruby Core

    Ruby Core and Standard Library

    Achieved

    Jun 19, 2016

    Ruby Core
  • Achievement

    Store Inventory Using Modules

    Ruby Modules

    Achieved

    Jun 16, 2016

    Store Inventory Using Modules
  • Achievement

    Include and Extend

    Ruby Modules

    Achieved

    Jun 14, 2016

    Include and Extend
  • Achievement

    Ruby Core Modules

    Ruby Modules

    Achieved

    Jun 13, 2016

    Ruby Core Modules
  • Achievement

    Ruby Module Basics

    Ruby Modules

    Achieved

    Jun 12, 2016

    Ruby Module Basics
  • Achievement

    Input and Output

    Build an Address Book in Ruby

    Achieved

    Jun 11, 2016

    Input and Output
  • Achievement

    Search

    Build an Address Book in Ruby

    Achieved

    Jun 8, 2016

    Search
  • Achievement

    Ruby Class Design

    Build an Address Book in Ruby

    Achieved

    Jun 7, 2016

    Ruby Class Design
  • Achievement

    Blocks Practice

    Ruby Blocks

    Achieved

    Jun 6, 2016

    Blocks Practice
  • Achievement

    Working With Blocks

    Ruby Blocks

    Achieved

    Jun 4, 2016

    Working With Blocks
  • Achievement

    Ruby Blocks

    Ruby Blocks

    Achieved

    Jun 3, 2016

    Ruby Blocks
  • Achievement

    Build a Simple Todo List Program

    Ruby Booleans

    Achieved

    Jun 2, 2016

    Build a Simple Todo List Program
  • Achievement

    Ruby Booleans

    Ruby Booleans

    Achieved

    May 24, 2016

    Ruby Booleans
  • Achievement

    Build a Bank Account Class

    Ruby Objects and Classes

    Achieved

    May 19, 2016

    Build a Bank Account Class
  • Achievement

    Ruby Variables and Methods

    Ruby Objects and Classes

    Achieved

    May 16, 2016

    Ruby Variables and Methods
  • Achievement

    Ruby Objects and Classes

    Ruby Objects and Classes

    Achieved

    May 15, 2016

    Ruby Objects and Classes
  • Achievement

    Build a Simple Contact List

    Ruby Loops

    Achieved

    May 14, 2016

    Build a Simple Contact List
  • Achievement

    Ruby Iteration

    Ruby Loops

    Achieved

    May 12, 2016

    Ruby Iteration
  • Achievement

    Ruby Loops

    Ruby Loops

    Achieved

    May 11, 2016

    Ruby Loops
  • Achievement

    Build a Grocery List Program

    Ruby Collections

    Achieved

    May 9, 2016

    Build a Grocery List Program
  • Achievement

    Ruby Hashes

    Ruby Collections

    Achieved

    May 8, 2016

    Ruby Hashes
  • Achievement

    Ruby Arrays

    Ruby Collections

    Achieved

    May 8, 2016

    Ruby Arrays
  • Achievement

    Ruby Logical Operators

    Ruby Operators and Control Structures

    Achieved

    May 6, 2016

    Ruby Logical Operators
  • Achievement

    Ruby Control Structures

    Ruby Operators and Control Structures

    Achieved

    May 6, 2016

    Ruby Control Structures
  • Achievement

    Ruby Operators

    Ruby Operators and Control Structures

    Achieved

    May 5, 2016

    Ruby Operators
  • Achievement

    Ruby Methods

    Ruby Basics (Retired)

    Achieved

    May 5, 2016

    Ruby Methods
  • Achievement

    Ruby Numbers (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    May 4, 2016

    Ruby Numbers (Ruby Basics)
  • Achievement

    Ruby Strings (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    May 3, 2016

    Ruby Strings (Ruby Basics)
  • Achievement

    How Ruby Works

    Ruby Basics (Retired)

    Achieved

    May 2, 2016

    How Ruby Works
  • Achievement

    Efficiency!

    Java Data Structures

    Achieved

    Apr 17, 2016

    Efficiency!
  • Achievement

    Exploring the Java Collections Framework

    Java Data Structures

    Achieved

    Apr 4, 2016

    Exploring the Java Collections Framework
  • Achievement

    Organizing Data

    Java Data Structures

    Achieved

    Mar 28, 2016

    Organizing Data
  • Achievement

    Getting There

    Java Data Structures

    Achieved

    Mar 23, 2016

    Getting There
  • Achievement

    Delivering the MVP

    Java Objects (Retired)

    Achieved

    Mar 13, 2016

    Delivering the MVP
  • Achievement

    Creating the MVP

    Java Objects (Retired)

    Achieved

    Mar 6, 2016

    Creating the MVP
  • Achievement

    Harnessing the Power of Objects

    Java Objects (Retired)

    Achieved

    Feb 25, 2016

    Harnessing the Power of Objects
  • Achievement

    Meet Objects

    Java Objects (Retired)

    Achieved

    Feb 21, 2016

    Meet Objects
  • Achievement

    Perfecting the Prototype

    Java Basics

    Achieved

    Feb 14, 2016

    Perfecting the Prototype
  • Achievement

    Using your New Tools

    Java Basics

    Achieved

    Feb 11, 2016

    Using your New Tools
  • Achievement

    Getting Started with Java

    Java Basics

    Achieved

    Feb 10, 2016

    Getting Started with Java
  • Achievement

    Newbie

    Achieved

    Feb 10, 2016

    Newbie