Clayton Cohn

Clayton Cohn

Chicago, IL

Rocker, nerd, curiosity slave.

15,715

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Skills & Experience

  • Spoken Languages

    • French
  • Looking for work

    Yes

208 Achievements

  • Transitions, Gestures and More
  • Show Me the Data
  • Introduction to CollectionViews
  • Intro to Unit Testing 2
  • Introduction to Unit Testing
  • MVC
  • Notifications
  • KVC and KVO
  • Singletons
  • Two-stage Object Creation
  • What Are Design Patterns?
  • Control Flow With Conditional Statements
  • Control Flow With Loops
  • Dictionaries in Swift
  • Introduction to Collections
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • Adding Power to Functions
  • Functions in Swift
  • Differentiating Between Objects
  • Class Inheritance
  • Classes in Swift
  • Complex Data Structures
  • Running Apps on a Device
  • Improving Our User Interface
  • Structs As Data Models
  • View Controllers and Views
  • Getting Started with iOS Development
  • Methods
  • Object-Oriented Programming
  • Decoupling the Data
  • Saving Data with CloudKit
  • Recording a Voice Memo
  • Filtering the Data
  • Saving and Displaying Selfies
  • Adding Metadata to Photos
  • Adding Image Filters
  • Taking a Selfie
  • Hooking up the Model to the View
  • Building the Weather UI
  • Working with JSON
  • Concurrency and Error Handling
  • Networking
  • Exploring an API
  • Finishing the User Interface
  • The Model-View-Controller Pattern
  • Intents and Multiple Activities
  • User Input
  • Testing and Debugging
  • Improving Our Code
  • Basic Android Programming
  • Creating the Screen Layout
  • Efficiency!
  • Exploring the Java Collections Framework
  • Organizing Data
  • Getting There
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • UIKit Dynamics
  • View Controller Transitions
  • Gestures
  • What is an API?
  • 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
  • Tying It All together
  • Diving Deeper
  • Deploying to a Device
  • Debugging Our App
  • Improving Our User Interface
  • Using a Data Model
  • Views and View Controllers
  • Getting Started with Xcode
  • Memory, Arrays and Loops, Oh My!
  • Getting Oriented - Object-Oriented, That Is
  • Immersive Examples
  • Scope and Loops
  • Deleting and Updating Data
  • Fetching Data Using Fetch Requests
  • Inserting and Saving Data Using a Context
  • Understanding the Core Data Stack
  • Objective-C in Action
  • Intermediate Topics in Objective-C
  • The Objective-C Mindset
  • Basic Types, Structures and Syntax
  • Moving from Swift to Objective-C
  • Implementing Maps and Search
  • Obtaining a Location Fix
  • Displaying Data in Table Views
  • Enhancing the Networking Stack
  • URLs and Parameter Encoding
  • Introduction to UITableView
  • 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
  • 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
  • Creating Flexible Objects Using Protocols
  • Swift 2.0 Protocols
  • 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
  • Differentiating Between Objects
  • Class Inheritance
  • 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
  • More Operators
  • Operators and Conditionals
  • Data Types and Variables
  • Intro to Objective-C
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Perfect
  • Perform
  • Console I/O
  • Prepare and Plan
  • Beginning HTML and CSS
  • JavaScript Variables
  • Introducing JavaScript
  • 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
  • Getting Started with Android
  • Local WordPress Development
  • How to Install WordPress on Your Computer
  • Viewing a Web Page
  • Adapting Data for Display
  • Data Modeling
  • Getting Data from the Web
  • Rebuilding from Scratch
  • Exploring the Master-Detail Template
  • 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)
  • Beyond the Basics
  • Advanced Objective-C
  • Foundation Framework
  • Introduction to Objective-C
  • Pointers and Memory
  • Functional Programming in C
  • Getting Started with WordPress
  • Fundamentals of C
  • Newbie