🤑 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
  • peterwu2
    peterwu2
    3,083 Points

    Grand Central Dispatch: Build succeeded, app launched, but then crashed.

    Posted February 3, 2016 6:38pm by peterwu2
    peterwu2
    3,083 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

    0 Answers

  • John Johnjohn
    John Johnjohn
    54 Points

    Unable to gather weather Data

    Posted October 25, 2015 6:51pm by John Johnjohn
    John Johnjohn
    54 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

    2 Answers

  • Brandon Hawks
    Brandon Hawks
    6,197 Points

    If anyone is having problems with the 'nil' error, this FIXED my problem.

    Posted October 10, 2015 7:06pm by Brandon Hawks
    Brandon Hawks
    6,197 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

    0 Answers

  • Antonija Pek
    Antonija Pek
    5,819 Points

    This is obsolete

    Posted September 18, 2015 5:07pm by Antonija Pek
    Antonija Pek
    5,819 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

    0 Answers

  • Michael Zaro
    Michael Zaro
    13,196 Points

    I am getting crashes on my code and the code downloaded from the course downloads section. What's up?

    Posted September 14, 2015 5:05am by Michael Zaro
    Michael Zaro
    13,196 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

    1 Answer

  • Bryan Marks
    Bryan Marks
    3,987 Points

    No Code Errors but my Temperature is not changing :(

    Posted August 17, 2015 2:46am by Bryan Marks
    Bryan Marks
    3,987 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

    5 Answers

  • Marcelo Farjalla
    Marcelo Farjalla
    3,241 Points

    How do we know if we are in a background thread vs. the main thread?

    Posted August 14, 2015 9:38pm by Marcelo Farjalla
    Marcelo Farjalla
    3,241 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

    1 Answer

  • Navneet Kumar
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Navneet Kumar
    Front End Web Development Techdegree Student 8,838 Points

    When I try to make a HTTP request , I keep getting in my console - " Error : Not a valid HTTP response " ??

    Posted August 7, 2015 8:12pm by Navneet Kumar
    .a{fill-rule:evenodd;}techdegree
    Navneet Kumar
    Front End Web Development Techdegree Student 8,838 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

    2 Answers

  • Marc Biggar
    Marc Biggar
    10,942 Points

    How do I Change the temperature from fahrenheit to Celsius in the display of my weather app

    Posted July 15, 2015 7:24pm by Marc Biggar
    Marc Biggar
    10,942 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

    1 Answer

  • Dennis Henley
    Dennis Henley
    3,421 Points

    Downloaded code fails on URL

    Posted June 29, 2015 4:35pm by Dennis Henley
    Dennis Henley
    3,421 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

    2 Answers

  • sam chacko ninan
    sam chacko ninan
    2,278 Points

    how can i get the data outside the closure say a array instead of setting the temperature value to UI label.text

    Posted June 27, 2015 4:43am by sam chacko ninan
    sam chacko ninan
    2,278 Points
    • iOS
    • Build a Weather App with Swift
    • Managing Complexity
    • Grand Central Dispatch

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

© 2025 Treehouse Island, Inc.