问题描述
我正在尝试调试我的小应用程序，因为 AssociationTypeMismatch 导致其无法创建价格.所以我挖掘了 pry、安装、观看 railscast 和 Josh 的截屏视频并深入到 wiki.
I'm trying to debug my little app failing to create a Price because of an AssociationTypeMismatch. So I dig out pry, install, watch railscast and Josh's screencast and dig into the wiki.
我cd"到价格控制器，但失败了.在提交代码之前，我已经将 <% binding.pry %> 放入 new.html 中，但 Rails 说 'pry' 方法是未知的.撬在我更新的 Gemfile 中，我重新启动了服务器.
I "cd" into the prices controller but that fails. I've put <% binding.pry %> into the new.html before the submit code but Rails says that the 'pry' method is unknown. pry is in my updated Gemfile and I restarted the server.
我将 binding.pry 放入我的prices_controller.rb 的create 方法中，Rails 愉快地通过它来抛出我已经看到的错误，而不是我期待的暂停等.
I put binding.pry into the create method of my prices_controller.rb and Rails happily breezes through it to throw the error I've already seen, not the pause, etc I was expecting.
看看价格模型，我的经验不足，不知道我应该寻找什么.我在看什么?谢谢，山姆
Looking at the Price model, I'm not experienced enough to know what I should be looking for. What am I overlooking? thanx, sam
推荐答案
看来除了 pry gem 之外，我还需要 pry-rails gem.现在可以识别 binding.pry.
It appears that in addition to the pry gem, I need the pry-rails gem as well. Now the binding.pry is recognized.
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