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younthu/gist:1eeaabe5fe5a1cc3085f0ee16df8b5d4

Created March 19, 2019 03:09
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rails console切换到pry
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gistfile1.txt
1. 添加gem gem 'pry'
2. 添加gem 'pry-doc', 这是查看源代码用的, $ 命令和?命令要用到
3. gem 'pry-rails'这gem把默认的irb替换为pry
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