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

Join our Live Career-Building Workshop: Launch Your Tech-Adjacent Career! ⭐ Register here!

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

Curious which AI tools Treehouse developers love? ⚙️ Check them out!

🫡 Treehouse for Military offers discounts to Veterans, service members and their families!

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • 100 Days of Code
    • Live Sessions
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
  • 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
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • 100 Days of Code Live Sessions Code Adventures Discord Forum Success Stories Treehouse Links
  • 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
      • • 21st Century Skills
      • • AI
      • • Android
      • • APIs
      • • Business
      • • C#
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Equity, Diversity, and Inclusion (EDI)
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • PHP
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
  • Pete Cass
    Pete Cass
    16,656 Points

    MySQL and the command line

    Posted October 15, 2015 10:02am by Pete Cass
    Pete Cass
    16,656 Points
    • Development Tools

    1 Answer

  • Barış Yazıcı
    Barış Yazıcı
    1,659 Points

    Rails 4

    Posted August 21, 2015 11:05pm by Barış Yazıcı
    Barış Yazıcı
    1,659 Points
    • Ruby
    • Advanced Social Features in Ruby on Rails
    • Uploading Files
    • Cleaning up

    1 Answer

  • askariabdurrahman
    askariabdurrahman
    1,610 Points

    Is there any way to do video uploads?

    Posted June 27, 2015 7:51am by askariabdurrahman
    askariabdurrahman
    1,610 Points
    • Ruby
    • Advanced Social Features in Ruby on Rails
    • Uploading Files
    • How Do File Uploads Work?

    0 Answers

  • Adam Zuckerberg
    Adam Zuckerberg
    22,248 Points

    This seems to fail now due to this Paperclip::Errors::MissingRequiredValidatorError with Rails 4

    Posted March 2, 2015 9:28pm by Adam Zuckerberg
    Adam Zuckerberg
    22,248 Points
    • Ruby
    • Advanced Social Features in Ruby on Rails
    • Uploading Files
    • Attaching Files: Part 2

    1 Answer

  • Adam Zuckerberg
    Adam Zuckerberg
    22,248 Points

    Why do statuses belong to documents?

    Posted March 2, 2015 9:04pm by Adam Zuckerberg
    Adam Zuckerberg
    22,248 Points
    • Ruby
    • Advanced Social Features in Ruby on Rails
    • Uploading Files
    • Attaching Files: Part 1

    1 Answer

  • larsberg
    larsberg
    58,676 Points

    Get convert to work for Imagemagick

    Posted June 28, 2014 12:51am by larsberg
    larsberg
    58,676 Points
    • Ruby
    • Advanced Social Features in Ruby on Rails
    • Uploading Files
    • Installing Paperclip

    2 Answers

  • Roy Fiegenschue
    Roy Fiegenschue
    2,153 Points

    Can't mass-assign protected attributes: attachement

    Posted March 31, 2014 12:06am by Roy Fiegenschue
    Roy Fiegenschue
    2,153 Points
    • Ruby
    • Advanced Social Features in Ruby on Rails
    • Uploading Files
    • Attaching Files: Part 2

    2 Answers

  • patte bläsing
    patte bläsing
    331 Points

    Rails 4 and Treebook - Unpermitted parameter: attachment

    Posted March 12, 2014 10:37am by patte bläsing
    patte bläsing
    331 Points
    • Ruby
    • Advanced Social Features in Ruby on Rails
    • Uploading Files
    • Attaching Files: Part 1

    5 Answers

  • Jared Fishman
    PLUS
    Jared Fishman
    Courses Plus Student 96 Points

    Implementing Paperclip with Rails 4 and Backbone/Handlebars

    Posted March 9, 2014 8:00pm by Jared Fishman
    Jared Fishman
    Courses Plus Student 96 Points
    • Ruby
    • Advanced Social Features in Ruby on Rails
    • Uploading Files
    • Attaching Files: Part 2

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

© 2024 Treehouse Island, Inc.