David Clausen

David Clausen

Member Since January 7, 2014

11,403

Total Points

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122 Achievements

  • Achievement

    Installing a Ruby Development Environment

    Installing a Ruby Development Environment

    Achieved

    Sep 16, 2015

    Installing a Ruby Development Environment
  • Achievement

    Gems In Depth

    Ruby Gems

    Achieved

    Sep 15, 2015

    Gems In Depth
  • Achievement

    Ruby Gems

    Ruby Gems

    Achieved

    Sep 14, 2015

    Ruby Gems
  • Achievement

    Ruby Standard Library: Part 2

    Ruby Core and Standard Library

    Achieved

    Sep 14, 2015

    Ruby Standard Library: Part 2
  • Achievement

    Ruby Standard Library: Part 1

    Ruby Core and Standard Library

    Achieved

    Sep 2, 2015

    Ruby Standard Library: Part 1
  • Achievement

    Ruby Core

    Ruby Core and Standard Library

    Achieved

    Sep 1, 2015

    Ruby Core
  • Achievement

    Store Inventory Using Modules

    Ruby Modules

    Achieved

    Sep 1, 2015

    Store Inventory Using Modules
  • Achievement

    Include and Extend

    Ruby Modules

    Achieved

    Aug 26, 2015

    Include and Extend
  • Achievement

    Ruby Core Modules

    Ruby Modules

    Achieved

    Aug 26, 2015

    Ruby Core Modules
  • Achievement

    Ruby Module Basics

    Ruby Modules

    Achieved

    Aug 25, 2015

    Ruby Module Basics
  • Achievement

    Input and Output

    Build an Address Book in Ruby

    Achieved

    Aug 24, 2015

    Input and Output
  • Achievement

    Search

    Build an Address Book in Ruby

    Achieved

    Aug 24, 2015

    Search
  • Achievement

    Ruby Class Design

    Build an Address Book in Ruby

    Achieved

    Aug 23, 2015

    Ruby Class Design
  • Achievement

    Blocks Practice

    Ruby Blocks

    Achieved

    Aug 22, 2015

    Blocks Practice
  • Achievement

    Working With Blocks

    Ruby Blocks

    Achieved

    Aug 22, 2015

    Working With Blocks
  • Achievement

    Ruby Blocks

    Ruby Blocks

    Achieved

    Aug 21, 2015

    Ruby Blocks
  • Achievement

    Build a Simple Todo List Program

    Ruby Booleans

    Achieved

    Aug 4, 2015

    Build a Simple Todo List Program
  • Achievement

    Ruby Booleans

    Ruby Booleans

    Achieved

    Aug 4, 2015

    Ruby Booleans
  • Achievement

    Build a Bank Account Class

    Ruby Objects and Classes

    Achieved

    Aug 2, 2015

    Build a Bank Account Class
  • Achievement

    Ruby Variables and Methods

    Ruby Objects and Classes

    Achieved

    Aug 2, 2015

    Ruby Variables and Methods
  • Achievement

    Ruby Objects and Classes

    Ruby Objects and Classes

    Achieved

    Aug 2, 2015

    Ruby Objects and Classes
  • Achievement

    Build a Simple Contact List

    Ruby Loops

    Achieved

    Jul 29, 2015

    Build a Simple Contact List
  • Achievement

    Ruby Iteration

    Ruby Loops

    Achieved

    Jul 29, 2015

    Ruby Iteration
  • Achievement

    Ruby Loops

    Ruby Loops

    Achieved

    Jul 29, 2015

    Ruby Loops
  • Achievement

    Build a Grocery List Program

    Ruby Collections

    Achieved

    Jul 29, 2015

    Build a Grocery List Program
  • Achievement

    Ruby Hashes

    Ruby Collections

    Achieved

    Jul 29, 2015

    Ruby Hashes
  • Achievement

    Ruby Arrays

    Ruby Collections

    Achieved

    Jul 28, 2015

    Ruby Arrays
  • Achievement

    Ruby Logical Operators

    Ruby Operators and Control Structures

    Achieved

    Jul 28, 2015

    Ruby Logical Operators
  • Achievement

    Ruby Control Structures

    Ruby Operators and Control Structures

    Achieved

    Jul 28, 2015

    Ruby Control Structures
  • Achievement

    Ruby Operators

    Ruby Operators and Control Structures

    Achieved

    Jul 28, 2015

    Ruby Operators
  • Achievement

    Ruby Methods

    Ruby Basics (Retired)

    Achieved

    Jul 28, 2015

    Ruby Methods
  • Achievement

    Ruby Numbers (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    Jul 28, 2015

    Ruby Numbers (Ruby Basics)
  • Achievement

    Ruby Strings (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    Jul 28, 2015

    Ruby Strings (Ruby Basics)
  • Achievement

    How Ruby Works

    Ruby Basics (Retired)

    Achieved

    Jul 28, 2015

    How Ruby Works
  • Achievement

    Combine and Minify Assets

    Introduction to Front End Performance Optimization

    Achieved

    Jul 28, 2015

    Combine and Minify Assets
  • Achievement

    Optimize Assets

    Introduction to Front End Performance Optimization

    Achieved

    Jul 28, 2015

    Optimize Assets
  • Achievement

    Measuring Performance

    Introduction to Front End Performance Optimization

    Achieved

    Jul 28, 2015

    Measuring Performance
  • Achievement

    Planning for Performance

    Introduction to Front End Performance Optimization

    Achieved

    Jul 28, 2015

    Planning for Performance
  • Achievement

    Workflows

    Git Basics

    Achieved

    Jul 27, 2015

    Workflows
  • Achievement

    Working With Remote Repositories

    Git Basics

    Achieved

    Jul 27, 2015

    Working With Remote Repositories
  • Achievement

    Merging

    Git Basics

    Achieved

    Jul 26, 2015

    Merging
  • Achievement

    Branches

    Git Basics

    Achieved

    Jul 26, 2015

    Branches
  • Achievement

    Getting Started With Git

    Git Basics

    Achieved

    Jul 26, 2015

    Getting Started With Git
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Jul 26, 2015

    Why Version Control Matters
  • Achievement

    Installing Programs

    Console Foundations

    Achieved

    Jul 26, 2015

    Installing Programs
  • Achievement

    Environment and Redirection

    Console Foundations

    Achieved

    Jul 26, 2015

    Environment and Redirection
  • Achievement

    Console Processes

    Console Foundations

    Achieved

    Jul 26, 2015

    Console Processes
  • Achievement

    Console Users and Permission

    Console Foundations

    Achieved

    Jul 26, 2015

    Console Users and Permission
  • Achievement

    Moving Around in the Console

    Console Foundations

    Achieved

    Jul 26, 2015

    Moving Around in the Console
  • Achievement

    Chrome DevTools Basics

    Website Optimization

    Achieved

    Jul 22, 2015

    Chrome DevTools Basics
  • Achievement

    Web Apps

    Accessibility

    Achieved

    Jul 22, 2015

    Web Apps
  • Achievement

    Websites

    Accessibility

    Achieved

    Jul 22, 2015

    Websites
  • Achievement

    Introduction

    Accessibility

    Achieved

    Jul 21, 2015

    Introduction
  • Achievement

    AJAX and APIs

    AJAX Basics (retiring)

    Achieved

    Jul 21, 2015

    AJAX and APIs
  • Achievement

    jQuery and AJAX

    AJAX Basics (retiring)

    Achieved

    Jul 11, 2015

    jQuery and AJAX
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Jul 2, 2015

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Jul 1, 2015

    AJAX Concepts
  • Achievement

    Responsive Patterns

    Responsive Layouts

    Achieved

    Jul 1, 2015

    Responsive Patterns
  • Achievement

    Media Queries

    Responsive Layouts

    Achieved

    Jul 1, 2015

    Media Queries
  • Achievement

    Responsive Theory

    Responsive Layouts

    Achieved

    Jul 1, 2015

    Responsive Theory
  • Achievement

    Quiz Practice Project

    Object-Oriented JavaScript (2015)

    Achieved

    Jun 30, 2015

    Quiz Practice Project
  • Achievement

    Prototypal Inheritance

    Object-Oriented JavaScript (2015)

    Achieved

    Jun 30, 2015

    Prototypal Inheritance
  • Achievement

    Constructor Functions & Prototypes

    Object-Oriented JavaScript (2015)

    Achieved

    Jun 29, 2015

    Constructor Functions & Prototypes
  • Achievement

    Introduction to Methods

    Object-Oriented JavaScript (2015)

    Achieved

    Jun 28, 2015

    Introduction to Methods
  • Achievement

    Custom Media Players

    HTML Video and Audio (Retired)

    Achieved

    Jun 26, 2015

    Custom Media Players
  • Achievement

    Captioning Video

    HTML Video and Audio (Retired)

    Achieved

    Jun 26, 2015

    Captioning Video
  • Achievement

    Media Basics

    HTML Video and Audio (Retired)

    Achieved

    Jun 25, 2015

    Media Basics
  • Achievement

    Traversing and Manipulating the DOM with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Jun 23, 2015

    Traversing and Manipulating the DOM with JavaScript
  • Achievement

    Selecting Elements and Adding Events with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    May 20, 2015

    Selecting Elements and Adding Events with JavaScript
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    May 13, 2015

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Mar 16, 2015

    Table Basics
  • Achievement

    Creating a Simple Drawing Application

    jQuery Basics (2014)

    Achieved

    Mar 16, 2015

    Creating a Simple Drawing Application
  • Achievement

    Creating a Password Confirmation Form

    jQuery Basics (2014)

    Achieved

    Feb 25, 2015

    Creating a Password Confirmation Form
  • Achievement

    Creating a Mobile Drop Down Menu

    jQuery Basics (2014)

    Achieved

    Feb 24, 2015

    Creating a Mobile Drop Down Menu
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Feb 14, 2015

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Feb 13, 2015

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Feb 13, 2015

    Introduction to jQuery
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Feb 13, 2015

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Feb 12, 2015

    JavaScript Arrays
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Feb 10, 2015

    JavaScript Loops
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Feb 9, 2015

    JavaScript Functions
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Feb 7, 2015

    JavaScript Conditional Statements
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Feb 7, 2015

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Feb 6, 2015

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Feb 5, 2015

    Introducing JavaScript
  • Achievement

    JavaScript and the DOM

    Interactive Web Pages with JavaScript

    Achieved

    Feb 5, 2015

    JavaScript and the DOM
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Feb 5, 2015

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Feb 5, 2015

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Feb 5, 2015

    Form Basics
  • Achievement

    JavaScript Objects

    JavaScript Foundations

    Achieved

    Feb 4, 2015

    JavaScript Objects
  • Achievement

    JavaScript Functions

    JavaScript Foundations

    Achieved

    Feb 3, 2015

    JavaScript Functions
  • Achievement

    JavaScript Arrays

    JavaScript Foundations

    Achieved

    Feb 3, 2015

    JavaScript Arrays
  • Achievement

    JavaScript Numbers

    JavaScript Foundations

    Achieved

    Jan 30, 2015

    JavaScript Numbers
  • Achievement

    JavaScript Strings

    JavaScript Foundations

    Achieved

    Jan 29, 2015

    JavaScript Strings
  • Achievement

    Introduction Variables

    JavaScript Foundations

    Achieved

    Jan 29, 2015

    Introduction Variables
  • Achievement

    Functions

    Introduction to Programming

    Achieved

    Jan 28, 2015

    Functions
  • Achievement

    Objects and Arrays

    Introduction to Programming

    Achieved

    Jan 28, 2015

    Objects and Arrays
  • Achievement

    Control Structures

    Introduction to Programming

    Achieved

    Jan 28, 2015

    Control Structures
  • Achievement

    Basics

    Introduction to Programming

    Achieved

    Jan 28, 2015

    Basics
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Jan 27, 2015

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Jan 27, 2015

    Designing with the Latest Features
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Jan 26, 2015

    The Box Model
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Jan 24, 2015

    Basic Layout
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Jan 23, 2015

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Jan 23, 2015

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Jan 23, 2015

    Getting Started with CSS
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Jan 23, 2015

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Jan 23, 2015

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Jan 23, 2015

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Jan 22, 2015

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Jan 20, 2015

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Jan 20, 2015

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Jan 20, 2015

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Jan 19, 2015

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Apr 11, 2014

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Apr 10, 2014

    Beginning HTML and CSS
  • Achievement

    Creating a Website Structure

    Build a Simple Website

    Achieved

    Apr 7, 2014

    Creating a Website Structure
  • Achievement

    Text Editors and HTML

    Build a Simple Website

    Achieved

    Apr 6, 2014

    Text Editors and HTML
  • Achievement

    Website Basics

    Build a Simple Website

    Achieved

    Apr 3, 2014

    Website Basics
  • Achievement

    Prototyping With Bootstrap

    Framework Basics

    Achieved

    Jan 11, 2014

    Prototyping With Bootstrap
  • Achievement

    Introduction to Front-End Frameworks

    Framework Basics

    Achieved

    Jan 7, 2014

    Introduction to Front-End Frameworks
  • Achievement

    Newbie

    Achieved

    Jan 7, 2014

    Newbie