ruby-for-beginners | learning Ruby for our beginners groups

by rubymonsters CSS Version: Current License: No License

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kandi X-RAY | ruby-for-beginners Summary

ruby-for-beginners is a CSS library. ruby-for-beginners has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

You can read it online here. This book is built using middleman. The source code is kept on the main branch. The build directory is .gitignored and should be initialized with another git repository so it can be pushed to the gh-pages branch in order to deploy changes to the site.

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Support

ruby-for-beginners has a low active ecosystem.

It has 99 star(s) with 69 fork(s). There are 32 watchers for this library.

It had no major release in the last 6 months.

There are 7 open issues and 5 have been closed. On average issues are closed in 102 days. There are 7 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of ruby-for-beginners is current.

Quality

ruby-for-beginners has no bugs reported.

Security

ruby-for-beginners has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

ruby-for-beginners does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

ruby-for-beginners releases are not available. You will need to build from source code and install.

Installation instructions are not available. Examples and code snippets are available.

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ruby-for-beginners Key Features

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ruby-for-beginners Examples and Code Snippets

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Community Discussions

Trending Discussions on ruby-for-beginners

Getting `undefined method` ruby on rails on validation creating new object?

QUESTION

Getting `undefined method` ruby on rails on validation creating new object?

Asked 2017-Jul-19 at 09:04

I am following this post and trying to add a validate method before object creation. I keep getting undefined method 'video' for # I am reading this article here http://ruby-for-beginners.rubymonstas.org/ getting to know how ruby works but cannot figure out why I get this error.

http://api.rubyonrails.org/v5.1/classes/ActiveModel/Validations/ClassMethods.html#method-i-validate

If I call new on a ruby object and save it with a validation what do I need to do to the video variable to not get undefined method?

...

ANSWER

Answered 2017-Jul-19 at 09:04

as video method actually doesn't exists on your model, and based on post you're following it's actually a reference you should just simple replace video with self. Something like this: if self.reload.count >= 9 errors.add(:base, "Exceeded video limit of 9 videos") end Let me know if this works for you ! Regards

New Answer :

On post you're following, they are checking videos as association and then checking if its count bigger then 9.

How it works is actually is that the main object which is referenced to the videos is not stored to DB but it has videos association so you can check length/count of that.

In your case, if you're trying to do that on your main object ( Video ) you will get an error that it couldn't be find as it's not persisted but just instantiated as well as your validation method is called before create.

This way you're trying to achieve, it's logical only for validating creating some referenced model, which can't be stored has more then 9 videos.

Hope it's clear enough ?

Regards

Source https://stackoverflow.com/questions/45184811

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