Dennis O'Keeffe

Dennis O'Keeffe

Member Since May 8, 2013

Software Eng. at Present Company. Avid Learner.

32,820

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Skills & Experience

  • Company

    Present Company

  • Job Title

    Designer/Developer

  • Looking for work

    Yes

435 Achievements

  • The 3D Views
  • Build and Share a Unity Game
  • Game Audio
  • Score, Enemies, and Game State
  • Pickups
  • Player Input and Cameras
  • The Unity Editor and Scene Setup
  • Introduction to Video Games
  • Go Custom Types Overview
  • Go Data Structures Overview
  • Go Flow Control Overview
  • Go Syntax Overview
  • Angular Components
  • Setting Up an Angular Application
  • Using the Delegate Pattern in iOS
  • The Delegate Pattern
  • Writing Great Swift
  • Getting Started with Redux
  • Differentiating Between Objects
  • Class Inheritance
  • Classes in Swift
  • Complex Data Structures
  • Python Inheritance
  • Python Objects
  • Tuples
  • Dictionaries
  • Slices
  • Lists Redux
  • Navigating and Nesting Routes
  • Getting Started with React Router
  • How Ruby Works
  • Component Lifecycle
  • Designing Dataflow
  • Stateful Components
  • Thinking in Components
  • First Steps in React
  • Classes
  • Objects and New Collection Types
  • The Cooler Parts of ES2015
  • ES2015 Basics
  • A Template Hierarchy Review
  • Media Templates in WordPress
  • Custom Post Type Templates
  • Archive Templates in WordPress
  • Page and Post Templates in WordPress
  • Homepage Templates in WordPress
  • Core WordPress Theme Files
  • How WordPress Templates Work
  • Finishing Your WordPress Theme
  • Adding a Blog to a WordPress Theme
  • Custom Homepage Templates in WordPress
  • Custom Post Type Templates
  • Building Out WordPress Navigation
  • Building Page Templates in WordPress
  • The WordPress Loop
  • WordPress Header and Footer Templates
  • Working with CSS and JS in WordPress Themes
  • Starting a WordPress Theme
  • WordPress Plugin Best Practices
  • Widgets and Custom Menus
  • Customizing WordPress Themes
  • WordPress Themes
  • Custom Post Types and Fields
  • Express Middleware
  • Sessions and Cookies
  • User Registration and Login
  • What is Authentication?
  • Adding 3D Effects with CSS
  • Transition Timing Functions and Delays
  • Getting Started with CSS Transforms
  • Getting Started with CSS Transitions
  • PHPDB Stage 1: Databases and PHP
  • Building a Collection
  • Building the Recipe
  • Understanding Classes
  • Why Object-Oriented Programming?
  • Efficiency!
  • Exploring the Java Collections Framework
  • Organizing Data
  • Getting There
  • Introduction to UITableView
  • Shopping List App
  • Logic in Python
  • Next Steps
  • Improving Our Tests
  • Behavior Driven Development with Mocha & Chai
  • Introducing Unit Testing
  • Completing and Testing the API
  • Communicating with Mongo Through Mongoose
  • Getting the REST You Need
  • More TODO with the MEAN Stack
  • Creating and Editing Data in a MEAN App
  • Setting Up MongoDB
  • Going MEAN with Angular
  • Modeling Data for the API
  • Building API Routes in Express
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Creating an SVG
  • Introduction to SVG
  • Building a REST Service
  • Modular Media Queries
  • Sass Grid System
  • SMACSS and Sass
  • Sass and BEM
  • Getting Modular with Mixins and Functions
  • Debugging, Best Practices, and Production
  • Refactoring with Sass
  • Installing Sass and Setting up the Project
  • Going MEAN with Express
  • Introduction to MEAN
  • Go Further With Mongo
  • Working With Collections
  • Understanding MongoDB
  • Getting Started with MongoDB
  • Improving Our Todo App
  • Services in Angular
  • Using Angular's Built-in Directives
  • Controllers and Scope
  • Getting Started with Angular
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Welcome to Gulp.js
  • Doing More with Express
  • Serving Static Files in Express
  • Using Templates with Express
  • The Request and Response Objects in Express
  • Developing Express Apps Like a Boss
  • Getting Started with Express
  • Implementing a Forecast Client
  • Protocol Oriented Networking
  • Fetching Data From the Web
  • Modeling Forecast Data
  • Visual Format Language
  • Auto Layout in Code
  • Trait Collections
  • Inequalities, Content and Priorities
  • The Constraint Equation
  • A History Lesson
  • Asynchronous Error Handling
  • Closures in Cocoa Touch
  • Building Standard Library Functions
  • Closure Expressions
  • First Class Functions
  • Generics with Swift 2 - Beyond Basics
  • Generics with Swift 2
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • What is npm?
  • HTTP Methods and Headers
  • Database Security
  • Queries & Results
  • Contact Forms & Mailers
  • Slim and Templates
  • Getting Started with PDO
  • Securing and Maintaining a MySQL Database
  • SQL Calculating, Aggregating and Other Functions
  • Joining Relational Data Between Tables in SQL
  • Manipulating Schema with SQL
  • Creating Tables and Manipulating Data with SQL
  • Reading Data from Databases with SQL
  • Python Data Types
  • Installing MySQL Server and MySQL Workbench
  • Date and Time Functions
  • Aggregate and Numeric Functions
  • Working with Text
  • Ordering, Limiting and Paging Results
  • Dependency Management
  • Refactoring Our Code (objc)
  • Building the Master and Detail Views (objC)
  • Managing Playlist Data (objC)
  • Tying It All together
  • Diving Deeper
  • Python For Beginners
  • PHP Email Form Errors
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Introduction to Data, Databases and SQL
  • PHP Inheritance & Interfaces
  • PHP Properties & Methods
  • PHP Objects and Classes
  • PHP Email Forms
  • PHP Inventory
  • Adding Sound Effects
  • Refactoring the Model
  • Creating the User Interface Programmatically
  • Creating a Story
  • Navigating Through an Adventure
  • PHP Includes
  • Delegation in iOS
  • Introduction to Delegates
  • Memory Management in Swift 2
  • Extensions and Protocols
  • Value Semantics, Type Methods and Inheritance
  • Object Initialization in Swift 2
  • Properties in Swift 2
  • Displaying Additional Views
  • Using the Vending Machine
  • PHP Internal Functions
  • PHP Returns & Closures
  • PHP Functions Basics
  • PHP Loops
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • Loading Data From a Resource
  • Modeling An Interface
  • Error Handling in Swift 2.0
  • Objects and Optionals
  • Introduction to Optionals
  • Introduction to Enumerations
  • Running Apps on a Device
  • Improving Our User Interface
  • Structs as Data Models
  • View Controllers and Views
  • Getting Started with iOS Development
  • Memory, Arrays and Loops, Oh My!
  • Getting Oriented - Object-Oriented, That Is
  • What Are Design Patterns?
  • Differentiating Between Objects
  • Class Inheritance
  • Classes
  • Complex Data Structures
  • Creating the Screen Layout
  • Getting Started with Android
  • Building a Music Library Model (objc)
  • Working With Multiple View Controllers (ObjC)
  • Deploying to a Device (ObjC)
  • Debugging Our App (ObjC)
  • Improving Our User Interface (ObjC)
  • Creating a Data Model (ObjC)
  • Installing Wordpress
  • Views and View Controllers (ObjC)
  • Getting Started with Xcode (ObjC)
  • Immersive Examples
  • Scope and Loops
  • More Operators
  • Operators and Conditionals
  • Data Types and Variables
  • Intro to Objective-C
  • Running an Ecommerce Site Long Term
  • Extending WooCommerce
  • Managing Orders in WooCommerce
  • Managing Products in WooCommerce
  • Setting Up WooCommerce
  • Introduction to Ecommerce with WordPress
  • WordPress Admin Settings
  • WordPress User Roles
  • WordPress Plugins
  • WordPress Themes
  • The WordPress Customizer
  • Managing Media in WordPress
  • Managing Content in WordPress
  • How to Install WordPress on Your Computer
  • Getting Started with WordPress
  • Type Tools
  • Masks Basics
  • Layer Basics
  • Workspace Basics
  • Design Foundations Final
  • Becoming a Problem Solver
  • Understanding Aesthetics
  • Introduction to Design
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Positioning Page Content
  • CSS Layout Project
  • Page Layout with the Float Property
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Creating Flexible Objects Using Protocols
  • Swift 2.0 Protocols
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • Building a Command Line Application
  • Introduction to Node.js
  • Using a jQuery Carousel
  • Add a Sticky Navigation Bar
  • Introducing jQuery Plugins
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Planning for Performance
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Chrome DevTools Basics
  • Function Parameters
  • Functions in Swift 2.0
  • Web Apps
  • Websites
  • Introduction
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • Pointers and Memory
  • Functional Programming in C
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Custom Media Players
  • Captioning Video
  • Media Basics
  • Traversing and Manipulating the DOM with JavaScript
  • Control Flow with Conditional Statements
  • Control Flow With Loops
  • Swift Dictionaries
  • Introduction to Collections
  • Control Flow
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Structuring Tables
  • Table Basics
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Beginning HTML and CSS
  • CSS Box Model
  • Treehouse Club - JavaScript
  • Treehouse Club - CSS
  • Collections
  • Operators
  • Types
  • Variables and Constants
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Usability Testing
  • Usability Basics
  • Soft Skills - Psychology
  • Productivity
  • Presentation Skills
  • Important Skills For Professional Success
  • Social Media
  • Next Steps
  • Financing Our Company
  • Selling Your Product
  • Discovery
  • Marketing Your Product
  • Product Market Fit
  • Getting Started (iOS7)
  • Designing your App
  • Refactoring into a Model
  • Creating a Data Collection
  • Understanding Views and View Controllers
  • Beyond the Basics
  • Fundamentals of C
  • Animate This
  • Shaking Things Up
  • Making It Pretty
  • Learning the Language
  • Getting Started with iPhone
  • Text, Fonts, and Lists
  • Values and Units
  • Advanced Selectors
  • Selectors
  • Why Start a Business?
  • Getting Started with CSS
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Launching the Website
  • Styling Content
  • Creating a Website Structure
  • Text Editors and HTML
  • Website Basics
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Newbie