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Ruby tutorial
2022-07-05 00:35:00 【Ai_ Yang】
Ruby Is an open source object-oriented programming server-side scripting language , stay 20 century 90 In the middle of the s, Matsumoto of Japan (まつもとゆきひろ/Yukihiro Matsumoto) Design and develop . stay Ruby Community , Matsumoto is also known as Matsu (Matz).Ruby Can run on multiple platforms , Such as Windows、MAC OS and UNIX The various versions of .
One 、 ruby grammar
1. be-all Ruby The file extensions are .rb
2. ruby notes
1. Line notes : Use characters at the beginning of a line ( # )
2. Block annotation : Block annotations are hidden from the interpreter =begin =end Between the lines
Two 、 Compiler related
1. Rakefile Is the use of Ruby The grammatical makefile, Corresponding make The tool is rake. stay Ruby on Rails Inside , Whether it's database initialization , Content initialization , Delete , Or testing , It's all used rake To complete .
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