Jack Yi

Jack Yi

San Francisco, CA

8,450

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116 Achievements

  • What is Product Design?
  • WWW
  • The Internet
  • Computer Languages
  • Computer Basics
  • Saving a Selfie
  • Adding Metadata to Photos
  • GPU Based Approach
  • Image Processing
  • Playing with Filters
  • Pinching, Panning and Zooming
  • Browsing An Album
  • Taking Photos
  • Deleting and Updating Data
  • Fetching Data Using Fetch Requests
  • Inserting and Saving Data Using a Context
  • Understanding the Core Data Stack
  • Adding Reviews and a Map
  • Retrieving Restaurant Details Using Operations
  • Simplifying Networking Code
  • Obtaining a Location Fix
  • Authorization with Third Party Libraries
  • Moving from Swift to Objective-C
  • Downloading Album Artwork
  • Requesting Real Data
  • Enhancing the iTunes Endpoint
  • URLs and Parameter Encoding
  • Building the User Interface
  • Modeling iTunes Search Results
  • Getting Started With Git
  • Why Version Control Matters
  • Decoupling the Data Source
  • Sorting Contacts Into Sections
  • Static Table Views for Detail Interfaces
  • Displaying Contact Data
  • A High Level Overview
  • Dark Sky API Client
  • Downloading JSON Data Asynchronously
  • Fetching Data From the Web
  • Modeling Forecast Data
  • Adding Sound Effects
  • Personalizing The Story
  • Refactoring Our Code
  • Creating the User Interface Programmatically
  • Creating a Story
  • Navigating Through An Adventure
  • Using the Delegate Pattern in iOS
  • The Delegate Pattern
  • Writing Great Swift
  • Visual Format Language
  • Auto Layout in Code
  • Trait Collections
  • Inequalities, Content and Priorities
  • The Constraint Equation
  • A History Lesson
  • Displaying Additional Views
  • Using the Vending Machine
  • Loading Data From a Resource
  • Modeling an Interface
  • Access Control
  • Memory Management in Swift
  • Extensions and Protocols
  • Value Semantics, Type Methods and Inheritance
  • Object Initialization
  • Properties
  • Error Handling and Memory Management
  • Building Standard Library Functions
  • Closure Expressions
  • First Class Functions
  • Generics and Protocols
  • Generic Types
  • Generic Functions, Parameters and Constraints
  • Error Handling
  • Introduction to Delegates
  • Creating Flexible Objects Using Protocols
  • Protocol Basics
  • 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 in Swift
  • Complex Data Structures
  • Adding Power to Functions
  • Functions in Swift
  • Control Flow With Conditional Statements
  • Control Flow With Loops
  • Dictionaries in Swift
  • Introduction to Collections
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • 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
  • Swift Parameters and Tuples
  • Swift Functions
  • Control Flow
  • Collections
  • Operators
  • Types
  • Variables and Constants
  • Newbie