David Aberg

David Aberg

Member Since July 12, 2012

6,951

Total Points

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110 Achievements

  • 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
  • Recursion and Space Complexity
  • Algorithms in Code
  • Time Complexity
  • Playing a Counting Game
  • Displaying Additional Views
  • Using the Vending Machine
  • Loading Data From a Resource
  • Modeling an Interface
  • Downloading Album Artwork
  • Requesting Real Data
  • Enhancing the iTunes Endpoint
  • URLs and Parameter Encoding
  • Building the User Interface
  • Modeling iTunes Search Results
  • Refactoring Using Codable
  • Dark Sky API Client
  • Downloading JSON Data Asynchronously
  • Fetching Data From the Web
  • Modeling Forecast Data
  • Error Handling
  • Dynamic Keys and Inheritance
  • Parsing Different JSON Structures
  • Parsing to Non-Primitive Types
  • An Overview of Codable
  • 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
  • Error Handling and Memory Management
  • Building Standard Library Functions
  • Closure Expressions
  • First Class Functions
  • Generics and Protocols
  • Generic Types
  • Generic Functions, Parameters and Constraints
  • Writing Great Swift
  • Extensions and Protocols
  • Access Control
  • Memory Management in Swift
  • Value Semantics, Type Methods and Inheritance
  • Object Initialization
  • Properties
  • Ruby Control Structures
  • Ruby Numbers (Ruby Basics)
  • Ruby Operators
  • Ruby Methods
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Manipulating Schema with SQL
  • Creating Tables and Manipulating Data with SQL
  • Reading Data from Databases with SQL
  • Introduction to Data, Databases and SQL
  • Ruby Procs & Lambdas
  • Ruby Blocks
  • Testing the Whole App
  • Rails Routing
  • Writing Tests
  • Customizing Ruby on Rails Forms
  • Ruby on Rails Authentication
  • Rails Frontend Development
  • Getting Started With Rails
  • Creating the Menu and Footer
  • Ruby Arrays
  • Ruby Numbers
  • Ruby Strings
  • Objects, Classes, and Variables
  • Ruby Basics
  • Functions
  • Introduction to Programming
  • Control Structures
  • Basics
  • Objects and Arrays
  • Website Basics
  • Mastery Challenge
  • CSS
  • Framework Foundations
  • Printing
  • Page Layout
  • Box Model
  • Text Code Challenge
  • Text
  • Data Types
  • Selector Code Challenge
  • Selectors
  • Introduction
  • HTML Master
  • HTML
  • Forms
  • Tables Challenge
  • Tables
  • Objects
  • Links
  • List Challenge
  • Lists
  • Text
  • Introduction
  • Newbie