Developing a Ruby gem is different from developing Rails applications, with the biggest difference: there is no Rails. This means: no defined structure (neither for code nor directories) no autoloading of classe
The Ruby programming language and the Ruby on Rails framework installed on your development machine. This tutorial was tested on version2.6.3of Ruby and version6.0.2.1of Rails, so make sure to specify these versions during the installation process. Follow one of these tutorials to install Ruby a...
You can install Ruby and Rails with the command line toolrbenv. Using rbenv provides you with a solid environment for developing your Ruby on Rails applications and allows you to switch between Ruby versions, keeping your entire team on the same version. rbenv also provides support for spec...
Programming languages may rise and fall in popularity, but as long as companies have at some point used them, there will be jobs for developers who know how to update them and add new features. At the time of this writing, there are over 6,000 job results in the United States on Lin...
When you tell rbenv to install a Ruby it does not know about, you will get an error message. $ rbenv install 2.1.2 ruby-build: definition not found: 2.1.2 You can list all available versions with `rbenv install --list'. If the version you're looking for is not present, first try...
$ gem update --system $ gem update Install Rails Using RubyGems Rails Gem itself is all that’s left for Ruby to be put on Rails. Installing this is one of the easiest parts of this tutorial. It is installed using RubyGems, invoked by thegemcommand. When the installation finishes, che...
After reading this article your will be able to deploy your ruby on rails app to Heroku and make an update every time you make changes to your code. Here are the steps. 1. Create your app initially with the PostgreSQL as the default database, this will make the work simpl...
在我的 Rails 应用程序中,我想要单属性 AJAX 更新,例如“单击表格中的行标签以切换公共(public)/私有(private)标志”。实现这一点的最佳策略是什么?使用updateController 中的方法还是自定义方法? 请您参考如下方法: 除非您有某些令人信服的理由使用自定义方法,否则只需使用正常更新,发送您的典型object[attr] = va...
~/.gem/ruby/2.7.2/gems/ffi-1.13.1/lib/ffi/types.rb:69:in`find_type': unable to resolve type 'size_t' (TypeError) The solution is simple: bundle update ffi For Rails and Jekyll projects, you might need to update bothffiandsasscat the same time: ...
We don’t say that to be snarky – we’re one of those agencies, too. That’s why we don’t envy anyone responsible for researching and vetting a new development agency for their Ruby on Rails app – it’s a tough job! We want to provide you some of the insights we’ve learned ...