Jef DeWitt

Jef DeWitt

Louisville, KY

I'm just a normal guy with a pair of bread gloves. Now everyday is sandwich day!

Skills & Experience

  • Company

    TwinSpires

  • Job Title

    Software Engineer

  • Spoken Languages

    • English
    • JavaScript
  • Awards

    • Most Fashionably Late, 1998, Taylor County High School

325 Achievements

  • Using Java's Built-In Annotations
  • Review Functional Programming Fundamentals
  • Reduction and Aggregation
  • Meet Streams
  • Java's Functional Toolset
  • What to Test
  • How To Test
  • Why Test
  • Advanced Tooling
  • IDE Exploration
  • How it Works
  • Java Maps
  • Java Lists
  • Interfaces in Java
  • Gotchas and Wins
  • Iteration
  • Creation
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Exploring Best Practices
  • Test Drive
  • Meet Selenium
  • Next Steps
  • Improving Our Tests
  • Behavior Driven Development with Mocha & Chai
  • Introducing Unit Testing
  • Completing and Testing the API
  • Communicating with Mongo Through Mongoose
  • Modeling Data for the API
  • Building API Routes in Express
  • Building a REST Service
  • Express Middleware
  • Sessions and Cookies
  • User Registration and Login
  • What is Authentication?
  • Go Further With Mongo
  • Working With Collections
  • Understanding MongoDB
  • Getting Started with MongoDB
  • Adding the Game Logic
  • Making the Game Interactive
  • Rendering the Game
  •  Building Constructor Methods and Generating Objects
  • Introducing 'Four in a Row'
  • Getters and Setters
  • Working with Classes in JavaScript
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • Create Function Using Arrow Syntax
  • Using Template Literals
  • Defining Variables With let and const
  • JavaScript Tools and Workflows
  • JavaScript is Everywhere
  • Serving Static Files in Express
  • Applying Express Knowledge
  • Middleware
  • Deeper into Routing with Express
  • Using Templates with Express
  • Getting Started with Express
  • AWS and "The Cloud"
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • What is npm?
  • HTTP Methods and Headers
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • Creating a Command Line Weather Application
  • Handling Errors in Node
  • Getting Data From an API With Node
  • Introduction to Node.js
  • Working with jQuery Collections (2017)
  • Understanding jQuery Events and DOM Traversal (2017)
  • Getting Started with Java
  • Introducing jQuery (2017)
  • Classes
  • Objects and New Collection Types
  • Fundamentals of Docker
  • Docker Use Cases
  • The Cooler Parts of ES2015
  • ES2015 Basics
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • DOM Traversal
  • DOM Manipulation
  • Events
  • Hello, jQuery!
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • The Browser Environment
  • Finishing the Game
  • Introducing JavaScript
  • JavaScript Objects
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • JavaScript Arrays
  • JavaScript Loops
  • Services in Angular
  • Introduction to MEAN
  • Angular Components
  • Setting Up an Angular Application
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Welcome to Gulp.js
  • Improving Our Todo App
  • Services in Angular
  • Using Angular's Built-in Directives
  • Controllers and Scope
  • Getting Started with Angular
  • Vector Shapes
  • Type Tools
  • Masks Basics
  • Layer Basics
  • Workspace Basics
  • Becoming a Problem Solver
  • Design Foundations Final
  • Understanding Aesthetics
  • Introduction to Design
  • Flexbox Layout
  • Structuring Tables
  • Table Basics
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Positioning Schemes
  • The WordPress Loop
  • Debugging, Best Practices, and Production
  • Refactoring with Sass
  • Grid Layout
  • Installing Sass and Setting up the Project
  • Implementing Custom Login and Sign Up Screens
  • PHP Loops
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • 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
  • Refactoring Our Code (objc)
  • Building the Master and Detail Views (objC)
  • Managing Playlist Data (objC)
  • 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)
  • Views and View Controllers (ObjC)
  • Getting Started with Xcode (ObjC)
  • UIKit Dynamics
  • View Controller Transitions
  • Gestures
  • What is an API?
  • Cocoapods
  • Downloading Data with NSURLSession
  • Collection Views
  • Custom Detail View Controller
  • Custom UITableViewCell
  • Deleting Data
  • Listing Data using NSFetchedResultsController
  • Inserting and Saving Data
  • Understanding Core Data
  • Retrieving and Viewing Data from Parse.com
  • Capturing Photo and Video Using UIImagePickerController
  • Relating Users in Parse.com
  • Using Parse.com as a Backend and Adding Users
  • Designing and Starting the App
  • Viewing a Web Page
  • Adapting Data for Display
  • Data Modeling
  • Getting Data from the Web
  • Rebuilding from Scratch
  • Exploring the Master-Detail Template
  • Testing and Debugging
  • Animate This (iOS7)
  • Designing your App
  • Refactoring into a Model
  • Refactoring into a Model
  • Creating a Data Collection
  • Understanding Views and View Controllers
  • Getting Started (iOS7)
  • Beyond the Basics
  • Advanced Objective-C
  • Foundation Framework
  • Introduction to Objective-C
  • Pointers and Memory
  • Functional Programming in C
  • Fundamentals of C
  • Launching and Supporting a WordPress Plugin
  • Building WordPress Template Tags, Widgets, and Shortcodes
  • Connecting WordPress Plugins with 3rd Party APIs
  • Building a WordPress Plugin Settings Page
  • How WordPress Plugins Work
  • Launching a WordPress Site
  • WordPress and Forms
  • Extending WordPress Template Functionality
  • Converting Static HTML into WordPress Templates
  • Preparing to Code WordPress Templates
  • WordPress Theme Functions
  • WordPress Theme Templates
  • Content Strategy with WordPress
  • Local WordPress Development
  • Simple PHP Application: Wrapping Up The Project
  • Working with PHP Functions
  • Integrating With Paypal
  • Listing Inventory Items
  • Adding a Contact Form
  • Creating the Menu and Footer
  • Getting Started with PHP
  • 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
  • WordPress Plugin Best Practices
  • Widgets and Custom Menus
  • Custom Post Types and Fields
  • Logo Design 101
  • Customizing WordPress Themes
  • WordPress Themes
  • Installing Wordpress
  • Float Layout
  • Display Modes
  • 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
  • Workflows
  • Beginning HTML and CSS
  • 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
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • Customizing Google Maps
  • Google Maps Integration
  • jQuery Plugins
  • Form Validation and Manipulation
  • Introduction to jQuery
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Introduction Variables
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Advanced Techniques
  • Color Theory
  • Principles
  • Elements
  • Media Queries
  • CSS Animations
  • Transitions and Transforms
  • Flexbox and Multi-Column Layout
  • Gradients
  • Web Typography
  • Backgrounds and Borders
  • Text, Fonts, and Lists
  • CSS Box Model
  • Values and Units
  • Advanced Selectors
  • Selectors
  • Getting Started with CSS
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Responsive Design
  • Adaptive Design
  • Fluid Foundation
  • Introduction to Responsive Web Design
  • Launching the Website
  • Styling Content
  • Creating a Website Structure
  • Text Editors and HTML
  • Website Basics
  • Newbie