You found it first ⚡ 50% off any plan for 6 months, exclusive to new subscribers for a limited time only.

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

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

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

  • 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
  • Mike Wood
    Mike Wood
    9,608 Points

    When I try to open the workspace it doesn't work and shows the tab as About:blank

    Posted February 10, 2023 3:21pm by Mike Wood
    Mike Wood
    9,608 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    2 Answers

  • John Diamond
    John Diamond
    768 Points

    My workspace echoes code entered as opposed to actually executing when run from comm line. How do I stop this?

    Posted October 5, 2021 12:09pm by John Diamond
    John Diamond
    768 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    1 Answer

  • Francesco Paolini
    Francesco Paolini
    9,910 Points

    not showing what it should in the console

    Posted April 5, 2020 4:08pm by Francesco Paolini
    Francesco Paolini
    9,910 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    1 Answer

  • Ker Sing Tan
    Ker Sing Tan
    10,573 Points

    $lb_to_kg = 0.453592 (Teacher note) Error

    Posted March 17, 2019 4:27am by Ker Sing Tan
    Ker Sing Tan
    10,573 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    1 Answer

  • Sean Flanagan
    Sean Flanagan
    33,237 Points

    Fahrenheit to Celsius

    Posted June 13, 2018 7:55pm by Sean Flanagan
    Sean Flanagan
    33,237 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    2 Answers

  • Sean Flanagan
    Sean Flanagan
    33,237 Points

    My solution for converting kg to lbs and km to miles

    Posted June 12, 2018 2:28pm by Sean Flanagan
    Sean Flanagan
    33,237 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    0 Answers

  • Bechir Mihoub
    Bechir Mihoub
    1,118 Points

    Converter Help

    Posted February 27, 2018 10:57pm by Bechir Mihoub
    Bechir Mihoub
    1,118 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    1 Answer

  • Teacher Russell
    Teacher Russell
    16,873 Points

    Fahrenheit to Celsius converter https://w.trhou.se/ua54aujzlw

    Posted August 2, 2017 3:28pm by Teacher Russell
    Teacher Russell
    16,873 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    0 Answers

  • Learning coding
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Learning coding
    Front End Web Development Techdegree Student 9,937 Points

    $a = 5; var_dump($a++); After running the console is 5?

    Posted March 29, 2017 11:19am by Learning coding
    .a{fill-rule:evenodd;}techdegree
    Learning coding
    Front End Web Development Techdegree Student 9,937 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    5 Answers

  • Toni Haugsrud
    Toni Haugsrud
    3,196 Points

    Why do I get my calculation from Fahrenheit to Celsius wrong in my database?

    Posted December 6, 2016 2:17pm by Toni Haugsrud
    Toni Haugsrud
    3,196 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    6 Answers

  • Martins Zalans
    Martins Zalans
    827 Points

    Different way to display pounds to kk

    Posted September 19, 2016 1:41pm by Martins Zalans
    Martins Zalans
    827 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    3 Answers

  • Madison Wuckowitsch
    Madison Wuckowitsch
    572 Points

    When I try to run the code after putting in all of the $ tags, it says syntax error.

    Posted September 6, 2016 6:31pm by Madison Wuckowitsch
    Madison Wuckowitsch
    572 Points
    • PHP
    • PHP Basics
    • Unit Converter
    • Creating a Unit Conversion Tool

    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.