Skip to main content

🚀 In our NEW AI Bootcamp you'll build a working app in 28 days, no experience required. Free to all subscription levels.

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

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

  • Treehouse Logo
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
    • All Courses
    • Tracks
    • AI Bootcamp
    • College Credit
    • Techdegree Bootcamps
    • Front End Development
    • Full Stack JavaScript
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
    • Explore
    • Career Toolbox
    • Free Treehouse Near Me
    • Affiliates
    • Blog
    • Support
    • About
    • Learn
    • Beginner's Guide to Coding
    • Data Analysis with SQL & Python
    • Front-End Web Development
    • Python Programming Basics
    • Techdegree Bootcamp Overview
    • UX Design Fundamentals
    • AI Tools for Beginners
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks AI Bootcamp College Credit
  • Techdegree Bootcamps Front End Web Development Full Stack JavaScript
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Explore Career Toolbox Free Treehouse Near Me Affiliates Blog Support About
    Learn Beginner's Guide to Coding Data Analysis with SQL & Python Front-End Web Development Python Programming Basics Techdegree Bootcamp Overview UX Design Fundamentals AI Tools for Beginners
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
Loading banner... Start your free trial at Treehouse
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • 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
  • tizitaz
    tizitaz
    293 Points

    how to declare structure name

    Posted September 20, 2019 3:48am by tizitaz
    tizitaz
    293 Points
    • iOS
    • Intermediate Swift
    • Properties
    • Type Properties

    1 Answer

  • edwin garcia
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    edwin garcia
    Python Web Development Techdegree Student 1,691 Points

    LevelTracker: I'm really confused on making maxLevel a property,

    Posted July 6, 2018 3:13am by edwin garcia
    .a{fill-rule:evenodd;}techdegree
    edwin garcia
    Python Web Development Techdegree Student 1,691 Points
    • iOS
    • Intermediate Swift
    • Properties
    • Type Properties

    1 Answer

  • Mirko Salvia
    Mirko Salvia
    4,028 Points

    The complier says that it requires macOS 10.12, but it is installed 10.11.x Can you give me an help? Thank you

    Posted January 26, 2018 8:40pm by Mirko Salvia
    Mirko Salvia
    4,028 Points
    • iOS
    • Intermediate Swift
    • Properties
    • Type Properties

    1 Answer

  • jc laurent
    jc laurent
    6,351 Points

    don't really get how to write a type property without a previous struct or they're speaking chinese?

    Posted September 26, 2017 8:56am by jc laurent
    jc laurent
    6,351 Points
    • iOS
    • Intermediate Swift
    • Properties
    • Type Properties

    2 Answers

  • Gundra Kiran
    PLUS
    Gundra Kiran
    Courses Plus Student 5,931 Points

    I dont understand what mistake I am making

    Posted July 7, 2017 11:18am by Gundra Kiran
    Gundra Kiran
    Courses Plus Student 5,931 Points
    • iOS
    • Intermediate Swift
    • Properties
    • Type Properties

    2 Answers

  • deepak sharma
    deepak sharma
    3,844 Points

    this is mycode // Enter your code below struct LevelTracker { let maxLevel: Int } //please help

    Posted April 17, 2017 9:05am by deepak sharma
    deepak sharma
    3,844 Points
    • iOS
    • Intermediate Swift
    • Properties
    • Type Properties

    1 Answer

  • Richard Pitts
    PLUS
    Richard Pitts
    Courses Plus Student 1,243 Points

    asd

    Posted February 1, 2017 11:46pm by Richard Pitts
    Richard Pitts
    Courses Plus Student 1,243 Points
    • iOS
    • Intermediate Swift
    • Properties
    • Type Properties

    1 Answer

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

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
SEE ALL

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
SEE ALL

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
SEE ALL

About Us

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

Explore

  • Plans
  • Affiliates
  • Perks
  • Shop
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses

Treehouse is an online technology education platform founded in 2011. Treehouse offers more than 700 self-paced, video-based courses in web development, programming, data analysis, design, and AI, plus two project-based bootcamp programs in Front End Web Development and Full Stack JavaScript. Individual Treehouse plans start at $25 per month and include a 7-day free trial. Treehouse serves individual learners, businesses, schools, and public libraries. Cardholders at participating U.S. public libraries can use Treehouse for free. Select Treehouse courses, offered with University Pathways International, are recommended for college credit by ACE and NCCRS. Treehouse learners earn digital certificates for completed Tracks.

Terms & Conditions · Privacy · © 2026 Treehouse Island, Inc.
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
  • Discord