⚡ CYBER NOVEMBER SALE ⚡ 50% off any plan for 6 months, exclusive to new subscribers.

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

  • 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
      • • 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
  • Matt Fredericks
    Matt Fredericks
    8,367 Points

    Receiving a compilation error for the _location variable with the same finished code.

    Posted December 22, 2022 4:23pm by Matt Fredericks
    Matt Fredericks
    8,367 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    1 Answer

  • Fabiola Barrientos
    Fabiola Barrientos
    9,467 Points

    Error messages after compiling

    Posted January 24, 2022 5:03pm by Fabiola Barrientos
    Fabiola Barrientos
    9,467 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    0 Answers

  • Ilya Sikharulidze
    PLUS
    Ilya Sikharulidze
    Courses Plus Student 1,073 Points

    Error in MapLocation class

    Posted July 19, 2019 11:30am by Ilya Sikharulidze
    Ilya Sikharulidze
    Courses Plus Student 1,073 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    2 Answers

  • <noob />
    <noob />
    17,063 Points

    Questions about a method.

    Posted April 6, 2019 8:52pm by <noob />
    <noob />
    17,063 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    2 Answers

  • Sean Flanagan
    Sean Flanagan
    33,237 Points

    Error in Invader.cs

    Posted May 18, 2018 8:38pm by Sean Flanagan
    Sean Flanagan
    33,237 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    10 Answers

  • Duc Duong
    Duc Duong
    8,670 Points

    "readonly" and "const" type??

    Posted April 26, 2018 10:29pm by Duc Duong
    Duc Duong
    8,670 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    1 Answer

  • Jose Badillo
    Jose Badillo
    1,186 Points

    I got so far alredy and when I compiled I got an error cs1501 from my MapLocation.cs leading back to Point.DistanceTo.

    Posted November 16, 2017 5:55am by Jose Badillo
    Jose Badillo
    1,186 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    5 Answers

  • Unsubscribed User
    Unsubscribed User
    2,446 Points

    I need help understand the usage of these variables.

    Posted September 2, 2017 8:07pm by Unsubscribed User
    Unsubscribed User
    2,446 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    2 Answers

  • Hamilton Mtungwazi
    Hamilton Mtungwazi
    1,868 Points

    my code is failing to compile and i cant find whats wrong

    Posted August 16, 2017 3:11am by Hamilton Mtungwazi
    Hamilton Mtungwazi
    1,868 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    3 Answers

  • Igor Latychev
    PLUS
    Igor Latychev
    Courses Plus Student 7,310 Points

    C# - TreehouseDefense

    Posted June 20, 2017 10:23pm by Igor Latychev
    Igor Latychev
    Courses Plus Student 7,310 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    1 Answer

  • Kari Soto
    Kari Soto
    1,836 Points

    No overload for method 'DistanceTo' takes '1' arguments

    Posted August 30, 2016 11:32am by Kari Soto
    Kari Soto
    1,836 Points
    • C#
    • C# Objects
    • Loops and Final Touches
    • Magic Numbers and Constants

    6 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.