🤑 Join the Treehouse affiliate program and earn 25% commission!

Join our Live Career-Building Workshop: Launch Your Tech-Adjacent Career! ⭐ Register here!

🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

Curious which AI tools Treehouse developers love? ⚙️ Check them out!

🫡 Treehouse for Military offers discounts to Veterans, service members and their families!

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • 100 Days of Code
    • Live Sessions
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
  • Resources
    Chevron
    • Career Toolbox
    • CodeForward
    • Free Treehouse Near Me
    • Jobs
    • Blog
    • Support
    • About
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • 100 Days of Code Live Sessions Code Adventures Discord Forum Success Stories Treehouse Links
  • Career Toolbox CodeForward Free Treehouse Near Me Jobs Blog Support About
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • 21st Century Skills
      • • AI
      • • Android
      • • APIs
      • • Business
      • • C#
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Equity, Diversity, and Inclusion (EDI)
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • PHP
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
  • Roman Stalder
    Roman Stalder
    3,235 Points

    How can I implement an NSDictionary instead of an NSArray?

    Posted September 19, 2014 7:18am by Roman Stalder
    Roman Stalder
    3,235 Points
    • iOS
    • Build a Simple iPhone App (iOS7)
    • Creating a Data Collection
    • Implementing an Array

    2 Answers

  • malcolm parrish
    malcolm parrish
    2,093 Points

    Why does the array have to end with nil?

    Posted September 3, 2014 8:42pm by malcolm parrish
    malcolm parrish
    2,093 Points
    • iOS
    • Build a Simple iPhone App (iOS7)
    • Creating a Data Collection
    • Implementing an Array

    4 Answers

  • Jordan Lemmons
    Jordan Lemmons
    3,146 Points

    Can you use literals to implement a localized array??

    Posted July 6, 2014 7:54pm by Jordan Lemmons
    Jordan Lemmons
    3,146 Points
    • iOS
    • Build a Simple iPhone App (iOS7)
    • Creating a Data Collection
    • Implementing an Array

    2 Answers

  • Anna Zocher
    Anna Zocher
    4,721 Points

    Declaring Array: When to use literals versus alloc + init

    Posted May 23, 2014 7:40pm by Anna Zocher
    Anna Zocher
    4,721 Points
    • iOS
    • Build a Simple iPhone App (iOS7)
    • Creating a Data Collection
    • Implementing an Array

    2 Answers

  • Marilyn Wagner
    Marilyn Wagner
    6,666 Points

    Note to Treehouse Staff

    Posted May 21, 2014 11:52pm by Marilyn Wagner
    Marilyn Wagner
    6,666 Points
    • iOS
    • Build a Simple iPhone App (iOS7)
    • Creating a Data Collection
    • Implementing an Array

    1 Answer

  • Ryan sTEADMAN
    Ryan sTEADMAN
    1,600 Points

    I see a thread; Breakpoint. Not sure what is going on.

    Posted May 6, 2014 2:21pm by Ryan sTEADMAN
    Ryan sTEADMAN
    1,600 Points
    • iOS
    • Build a Simple iPhone App (iOS7)
    • Creating a Data Collection
    • Implementing an Array

    2 Answers

  • ultranerd
    ultranerd
    1,060 Points

    Significance of 'nil' in NSArray?

    Posted April 13, 2014 7:18am by ultranerd
    ultranerd
    1,060 Points
    • iOS
    • Build a Simple iPhone App (iOS7)
    • Creating a Data Collection
    • Implementing an Array

    2 Answers

  • David Snow
    PLUS
    David Snow
    Courses Plus Student 1,011 Points

    Running code in tutorial receive error

    Posted March 24, 2014 7:15pm by David Snow
    David Snow
    Courses Plus Student 1,011 Points
    • iOS
    • Build a Simple iPhone App (iOS7)
    • Creating a Data Collection
    • Implementing an Array

    8 Answers

  • Louis Orr
    Louis Orr
    1,014 Points

    Unused variable warning

    Posted March 11, 2014 6:33am by Louis Orr
    Louis Orr
    1,014 Points
    • iOS
    • Build a Simple iPhone App (iOS7)
    • Creating a Data Collection
    • Implementing an Array

    1 Answer

  • Dan Szeezil
    Dan Szeezil
    2,823 Points

    My label has two boxes around it

    Posted March 7, 2014 2:00am by Dan Szeezil
    Dan Szeezil
    2,823 Points
    • iOS
    • Build a Simple iPhone App (iOS7)
    • Creating a Data Collection
    • Implementing an Array

    3 Answers

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.

    Treehouse

  • About
  • Blog
  • Careers
  • Community
  • Stories
  • Shop
  • Contact
  • Gift Card

See Full Catalogue

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
  • Python Development
  • Data Analysis
  • UX Design

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
  • ...see more

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
  • ...see more

Explore

  • Plans
  • Perks
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2024 Treehouse Island, Inc.