Try Mentor AI — Free Pilot! Get instant, personalized help while you learn. Be among the first to explore it and shape what comes next. JOIN NOW

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

New No-Code Track! 🚀start learning today!

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

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
    • College Credit
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
  • 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 College Credit
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • 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
      • • AI
      • • Android
      • • APIs
      • • Coding for Kids
      • • College Credit
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Game Development
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • No-Code
      • • PHP
      • • Professional Growth
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
      • • Swift
      • • Vibe Coding
  • Lisa Webb
    PLUS
    Lisa Webb
    Courses Plus Student 9,494 Points

    Challenge Task 2/4 to work. I have tried what is available on the forums but keep getting the "Bummer" message.

    Posted January 24, 2016 6:35am by Lisa Webb
    Lisa Webb
    Courses Plus Student 9,494 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    0 Answers

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

    Logging in and logging out. Part 2/4

    Posted March 7, 2015 4:11pm by Caleb Kleveter
    Caleb Kleveter
    Treehouse Moderator 37,862 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    3 Answers

  • Des Gayle
    Des Gayle
    2,987 Points

    Using Parse.com as a Backend code challenge

    Posted August 28, 2014 10:59pm by Des Gayle
    Des Gayle
    2,987 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    1 Answer

  • DeShawn Pellebon
    PLUS
    DeShawn Pellebon
    Courses Plus Student 1,350 Points

    Build a self destructing message 2 of 4

    Posted August 14, 2014 5:20pm by DeShawn Pellebon
    DeShawn Pellebon
    Courses Plus Student 1,350 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    1 Answer

  • Brett Abamonte
    Brett Abamonte
    7,564 Points

    Code Challenge Help, totally stuck!!

    Posted August 5, 2014 7:05pm by Brett Abamonte
    Brett Abamonte
    7,564 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    2 Answers

  • Brett Abamonte
    Brett Abamonte
    7,564 Points

    What does @"test" mean

    Posted August 4, 2014 11:18pm by Brett Abamonte
    Brett Abamonte
    7,564 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    2 Answers

  • Jeremie Robbins
    Jeremie Robbins
    3,095 Points

    How do I call a block in a class method.

    Posted July 23, 2014 2:26pm by Jeremie Robbins
    Jeremie Robbins
    3,095 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    1 Answer

  • Meek D
    Meek D
    3,457 Points

    can someone help

    Posted June 30, 2014 3:34pm by Meek D
    Meek D
    3,457 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    3 Answers

  • Romain Gaget
    Romain Gaget
    24,449 Points

    Ribbit Code Challenge 4/4

    Posted May 29, 2014 9:35pm by Romain Gaget
    Romain Gaget
    24,449 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    1 Answer

  • Alexander Teague
    Alexander Teague
    9,501 Points

    Login Code Challenge 2/4

    Posted May 21, 2014 10:03am by Alexander Teague
    Alexander Teague
    9,501 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    0 Answers

  • ebadsaghar
    ebadsaghar
    5,505 Points

    block not able to be passed properly

    Posted April 17, 2014 5:38am by ebadsaghar
    ebadsaghar
    5,505 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    3 Answers

  • AbdelGhafour Mohie
    AbdelGhafour Mohie
    1,876 Points

    3/4

    Posted April 13, 2014 4:04am by AbdelGhafour Mohie
    AbdelGhafour Mohie
    1,876 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    3 Answers

  • Omar Ghias
    Omar Ghias
    1,837 Points

    Objective-C Block Help

    Posted March 8, 2014 11:25pm by Omar Ghias
    Omar Ghias
    1,837 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    2 Answers

  • raja nusantara
    PLUS
    raja nusantara
    Courses Plus Student 2,084 Points

    Passing A Block Error : challenge task 3 of 4

    Posted February 24, 2014 6:07pm by raja nusantara
    raja nusantara
    Courses Plus Student 2,084 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    3 Answers

  • James Kenny
    James Kenny
    2,968 Points

    Passing a block as a variable.

    Posted February 21, 2014 11:40pm by James Kenny
    James Kenny
    2,968 Points
    • iOS
    • Build a Self-Destructing Message iPhone App
    • Using Parse.com as a Backend and Adding Users
    • Logging In and Logging Out

    2 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
  • Affiliates
  • Perks
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2025 Treehouse Island, Inc.