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

🤑 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

🤑 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
      • • 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
    • Showing results for:
    • Ruby
    • Building Web Apps with Sinatra
    • Your First Sinatra App
    • Your First App
    • Close
  • Iuliia Shevtsova
    Iuliia Shevtsova
    13,274 Points

    Workspace Unavailable

    Posted on Nov 8, 2020 by Iuliia Shevtsova
    Iuliia Shevtsova
    13,274 Points
    • Ruby
    • Building Web Apps with Sinatra
    • Your First Sinatra App
    • Your First App

    0 Answers

  • anthonybrackner
    anthonybrackner
    17,776 Points

    Why are they skipping things in this course? Where did he get the editor from? I'm not seeing that in the ruby gems co

    Posted on Oct 28, 2018 by anthonybrackner
    anthonybrackner
    17,776 Points
    • Ruby
    • Building Web Apps with Sinatra
    • Your First Sinatra App
    • Your First App

    3 Answers

  • Christopher Phillips
    Christopher Phillips
    10,061 Points

    SSL Certificate Issue

    Posted on Jul 13, 2018 by Christopher Phillips
    Christopher Phillips
    10,061 Points
    • Ruby
    • Building Web Apps with Sinatra
    • Your First Sinatra App
    • Your First App

    0 Answers

  • Michael Mannucci
    Michael Mannucci
    3,457 Points

    Using Ruby on my computer?

    Posted on Jun 6, 2018 by Michael Mannucci
    Michael Mannucci
    3,457 Points
    • Ruby
    • Building Web Apps with Sinatra
    • Your First Sinatra App
    • Your First App

    2 Answers

  • MaryAnn Eleanya
    MaryAnn Eleanya
    8,626 Points

    I keep receiving the following messages every time I try to log on to localhost:4567 using Sinatra.

    Posted on Mar 12, 2018 by MaryAnn Eleanya
    MaryAnn Eleanya
    8,626 Points
    • Ruby
    • Building Web Apps with Sinatra
    • Your First Sinatra App
    • Your First App

    2 Answers

  • Matthew Timmons
    Matthew Timmons
    33,804 Points

    This site can’t be reached

    Posted on Nov 21, 2017 by Matthew Timmons
    Matthew Timmons
    33,804 Points
    • Ruby
    • Building Web Apps with Sinatra
    • Your First Sinatra App
    • Your First App

    1 Answer

  • Jonathan Magolnick
    Jonathan Magolnick
    2,318 Points

    Still on Ruby 2.0 even though I installed 2.2.2

    Posted on Aug 11, 2017 by Jonathan Magolnick
    Jonathan Magolnick
    2,318 Points
    • Ruby
    • Building Web Apps with Sinatra
    • Your First Sinatra App
    • Your First App

    1 Answer

  • Aaron Feltman
    Aaron Feltman
    8,434 Points

    Creating the app

    Posted on Jul 4, 2017 by Aaron Feltman
    Aaron Feltman
    8,434 Points
    • Ruby
    • Building Web Apps with Sinatra
    • Your First Sinatra App
    • Your First App

    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.