🤑 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
  • Guyen Pham
    PLUS
    Guyen Pham
    Courses Plus Student 2,820 Points

    How do I add NSString as stated in the 3rd question of the challenge? Or what did I do wrong?

    Posted December 5, 2014 3:07am by Guyen Pham
    Guyen Pham
    Courses Plus Student 2,820 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    1 Answer

  • Alan Ramos
    Alan Ramos
    6,617 Points

    Remove Object from Dictionary

    Posted October 28, 2014 4:40am by Alan Ramos
    Alan Ramos
    6,617 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    1 Answer

  • Caleb Kleveter
    MOD
    Caleb Kleveter
    Treehouse Moderator 37,862 Points

    How should I fix my code?

    Posted October 20, 2014 10:22pm by Caleb Kleveter
    Caleb Kleveter
    Treehouse Moderator 37,862 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    2 Answers

  • Bonbon Lang-es
    PLUS
    Bonbon Lang-es
    Courses Plus Student 2,040 Points

    When to use alloc/init in NSMutableDictionary

    Posted October 16, 2014 10:32am by Bonbon Lang-es
    Bonbon Lang-es
    Courses Plus Student 2,040 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    1 Answer

  • Harry Stromfelt
    Harry Stromfelt
    2,985 Points

    How can you access all items in an array/dictionary, if the inputs are of different type?

    Posted August 29, 2014 9:37pm by Harry Stromfelt
    Harry Stromfelt
    2,985 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    2 Answers

  • Adam Cooper
    Adam Cooper
    9,280 Points

    Are the results of NSDictionary listed in alphabetical order?

    Posted August 16, 2014 10:29pm by Adam Cooper
    Adam Cooper
    9,280 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    1 Answer

  • Anusha Chillara
    Anusha Chillara
    2,047 Points

    NSMutableDictionary question

    Posted June 23, 2014 6:02pm by Anusha Chillara
    Anusha Chillara
    2,047 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    3 Answers

  • bronnyreinhardt
    bronnyreinhardt
    1,007 Points

    Adding different classes to NSMutableDictionary

    Posted June 19, 2014 6:10am by bronnyreinhardt
    bronnyreinhardt
    1,007 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    0 Answers

  • Hossam Khalifa
    Hossam Khalifa
    17,200 Points

    Why was the author first not the title?

    Posted June 12, 2014 9:51am by Hossam Khalifa
    Hossam Khalifa
    17,200 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    6 Answers

  • Gage N
    Gage N
    1,233 Points

    The videos are missized for my browser page

    Posted June 2, 2014 6:53pm by Gage N
    Gage N
    1,233 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    2 Answers

  • darknitedre
    darknitedre
    1,911 Points

    hi I'm having some trouble NSDictionary 3 of 3

    Posted April 10, 2014 4:45am by darknitedre
    darknitedre
    1,911 Points
    • iOS
    • Objective-C Basics (Retired)
    • Foundation Framework
    • NSDictionary

    1 Answer

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.