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Category: Ruby

Ruby, a scripting language created for simple and fast object-oriented programming (object-oriented programming), was developed by Japanese Yukihiro Matsumoto in the 1990s and complies with the GPL agreement and Ruby License. Its inspiration and features come from Perl, Smalltalk, Eiffel, Ada, and Lisp languages. The Ruby language itself has also developed Ruby language alternatives to other platforms such as JRuby (Java platform) and IronRuby (.NET platform). The author of Ruby started writing Ruby on February 24, 1993, and it was not officially released to the fj (news group) until December 1995. Because Perl is pronounced the same as the June birthstone pearl, Ruby is named after the July birthstone ruby.

Ruby-on-rails – Create a new child in the Parent program

In the show view of the existing Parent, I want to have a form to create Children.

I have figured out how to create a Child form and Include it in the Parent’s program instead of how to exclu

October 6, 2021By Simo RubyLeave a Comment

Ruby-on-rails – Is there a reliable online guide converts the RAILS 2 application to RAILS 3?

I have a Rails 2 application and I am considering converting it to use Rails 3.

Is there a coherent, accurate, up-to-date The text document (not a screencast), along the way of “How to conver

October 6, 2021By Simo Ruby Applications, conversion, Guide, online, Programs, rails, reliable, ruby, whetherLeave a Comment

Ruby-on-rails – Why do people use Heroku when AWS occurs? What is the difference between HEROKU and AWS?

I am a beginner RoR programmer and he plans to use Heroku to deploy my application. According to my other consultant friends, Heroku is very simple and easy to use. The only problem is me Still don

October 6, 2021By Simo Ruby appearance, AWS, Difference, Heroku, People, rails, ruby, time, use, what, whyLeave a Comment

Ruby-on-rails – Update the coordinates of the modified model address using Google-Maps-for-Rails

I have noticed the Google Maps For Rails gem, otherwise it can work perfectly, when I change the address in the model field, the coordinates will not be updated automatically, even if the address f

October 6, 2021By Simo Ruby Address, change, Coordinate, Google, Maps, model, rails, ruby, Update, UsedLeave a Comment

Ruby – Using `Require`

I am editing a gem, which has the usual require command, pointing to the loaded gem (the gem I am talking about is called nirvana, and the file contains require’navana’, require’ navana/shell’ and

October 6, 2021By Simo Ruby Command, Require, ruby, UsedLeave a Comment

Java method from JRuby

Is there a way to introspect a Java object from J Ruby and find its Java-land method? Like provided by http://github.com/oggy/looksee, but for Java. Or like

(someobject).methods-1.methods

October 6, 2021By Simo Ruby from, Inland Province, Java, Jruby, methodLeave a Comment

Ruby-ON-RAILS-3 – Forum solutions for Rails 3 and Devise?

I am looking for a forum solution for the website I am building. I am using Devise and Rails 3, so are there any pluggable solutions?

How about third-party services?

The goal of Communi

October 6, 2021By Simo Ruby Devise, Forum, program, rails, ruby, solutionLeave a Comment

Ruby-on-rails – How to display images outside the Ruby on Rails project directory

How to display the image, which is stored outside the project directory. You can do two things: symbolically link a file from a public folder and provide the image as a static resource, or use F

October 6, 2021By Simo Ruby directory, How to Show, outside, path, project, rails, rubyLeave a Comment

Ruby-on-rails-3 – Nested property issues in Rails 3 with Mongoid (nested objects are not saved)

So I have a simple application like RailsCast about nested forms. The problem is that when I submit the form (with survey and questions), the question will not be saved.

My model (survey, the

October 6, 2021By Simo Ruby attribute, nested, not, object, problem, rails, rubyLeave a Comment

Ruby-on-rails – use Capistrano users for the first time. No error, but do not actually upload code

I’ve been following this tutorial.

I am using WebFaction. It should be noted that WF uses NginX instead of Passenger.

So after completing the whole process, I enter:

cap deploy Af

October 6, 2021By Simo Ruby actual, Capistrano, code, error, for the first time, no, rails, return, ruby, upload, use, usersLeave a Comment

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