Christopher Mayfield

Christopher Mayfield

Chino, CA

I am a recovering Psychology major with hopes of working in the tech industry.

19,928

Total Points

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Skills & Experience

  • Spoken Languages

    • English
  • Looking for work

    Yes

264 Achievements

  • Component Lifecycle
  • Designing Dataflow
  • Stateful Components
  • Thinking in Components
  • First Steps in React
  • Selections with D3
  • Controlling Layout with CSS Display Modes
  • 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
  • Adding Sound Effects
  • Refactoring the Model
  • Creating the User Interface Programmatically
  • Creating a Story
  • Navigating Through an Adventure
  • 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
  • Loading Data From a Resource
  • Modeling An Interface
  • Error Handling in Swift 2.0
  • Running Apps on a Device
  • Improving Our User Interface
  • Structs as Data Models
  • View Controllers and Views
  • Generics with Swift 2
  • Getting Started with iOS Development
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • AJAX and APIs
  • Creating Flexible Objects Using Protocols
  • Swift 2.0 Protocols
  • Objects and Optionals
  • Introduction to Optionals
  • Introduction to Enumerations
  • Differentiating Between Objects
  • Class Inheritance
  • Introduction to HTTP
  • Classes
  • Complex Data Structures
  • Function Parameters
  • Functions in Swift 2.0
  • Control Flow with Conditional Statements
  • Control Flow With Loops
  • Swift Dictionaries
  • Introduction to Collections
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • Getting Started with CSS Layout
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • Finding Your First Project
  • Starting a Freelance Career
  • Managing Playlist Data (objC)
  • Building a Music Library Model (objc)
  • Introduction to Video Games
  • Working With Multiple View Controllers (ObjC)
  • Deploying to a Device (ObjC)
  • Debugging Our App (ObjC)
  • Improving Our User Interface (ObjC)
  • Understanding Aesthetics
  • jQuery and AJAX
  • Creating a Data Model (ObjC)
  • Views and View Controllers (ObjC)
  • Getting Started with Xcode (ObjC)
  • Beyond the Basics
  • Advanced Objective-C
  • Foundation Framework
  • Programming AJAX
  • Introduction to Illustrator
  • The Logo Sprint
  • Logo Design 101
  • AJAX Concepts
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Custom Media Players
  • Captioning Video
  • Media Basics
  • Traversing and Manipulating the DOM with JavaScript
  • Grid Layout
  • Introduction to Design
  • Flexbox Layout
  • Owning a WordPress Site Long Term
  • WordPress Community Management
  • Working with Media in WordPress
  • Adding and Editing Content
  • Getting a WordPress Site
  • Treehouse Club - CSS
  • Getting Started with WordPress
  • Exporting Designs
  • Sketch Features
  • Welcome to the Treehouse Club
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Using your New Tools
  • Getting Started with Java
  • The Internet
  • Using a jQuery Carousel
  • Add a Sticky Navigation Bar
  • Introducing jQuery Plugins
  • 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
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • JavaScript Objects
  • JavaScript Arrays
  • Introducing Sketch
  • Introduction to Objective-C
  • Cocoapods
  • Scrum Artifacts
  • Scrum Events
  • Introducing Scrum
  • What is Agile?
  • Pointers and Memory
  • Functional Programming in C
  • Fundamentals of C
  • Closures in iOS
  • Closures and Closure Expressions
  • Functions as First Class Citizens
  • Concurrency
  • Refactoring Our Code (Swift)
  • Building the Master and Detail Views (Swift)
  • Video Marketing
  • Email Marketing
  • Search Engine Optimization
  • Building a Music Library and Playlists (Swift)
  • Using a Navigation Controller With Segues (Swift)
  • Working With Multiple View Controllers (Swift)
  • Deploying to a Device
  • Debugging Our App
  • Improving Our User Interface
  • Using a Data Model
  • Views and View Controllers
  • Getting Started with Xcode
  • Swift Value vs Reference Types
  • Swift Properties
  • Swift Inheritance
  • Swift Classes and Objects
  • Swift Structs and their Methods
  • Swift Structs
  • Swift Enums and their Methods
  • Swift Enums
  • Swift Optionals
  • Usability Testing
  • Usability Basics
  • Swift Parameters and Tuples
  • Swift Functions
  • Control Flow
  • Collections
  • Operators
  • Types
  • Variables and Constants
  • Soft Skills - Psychology
  • Writing Online
  • Professional Development
  • Applying & Interviewing
  • The Job Search
  • Productivity
  • Presentation Skills
  • WWW
  • JavaScript Loops
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Social Media
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Important Skills For Professional Success
  • Positioning Schemes
  • Next Steps
  • Financing Our Company
  • Selling Your Product
  • Networking
  • Personal Branding
  • Float Layout
  • Display Modes
  • Setting Your Course
  • Careers in the Tech Industry
  • Self-Assessment
  • Marketing Your Product
  • Product Market Fit
  • Discovery
  • Structuring Tables
  • Table Basics
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Selectors
  • Getting Started with CSS
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • PHP Internal Functions
  • PHP Returns & Closures
  • Computer Languages
  • Computer Basics
  • PHP Functions Basics
  • PHP Loops
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • 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
  • Newbie