I heard that ruby has poor performance. Why do so many people recommend ruby? I understand that everyone thinks Ruby is flexible, but should flexibility and rapid development be traded for performance? Moreover, it seems that finding bugs in Ruby is more troublesome. I originally planned to learn some ruby. The advantage of Ruby lies in its concise and elegant syntax, which is especially suitable for rapid development of web applications (such as rails framework). It emphasizes developer productivity and code readability. The disadvantage is that the performance is slightly inferior to python, and the community resources are relatively small. python has more. Finally, ruby is very fancy. You can see on Zhihu that many functional programming experts have mentioned ruby. In addition, it has also inspired many interesting programs, such as quine. (Off-topic: When writing this answer, I was in the ruby WeChat group.
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Ruby's metaprogramming capabilities and loose syntax make it easy to develop DSL (domain specific language) using Ruby, which Python cannot handle. d) ruby on rails! If it hadn't been developed by dhh.
