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class Foo def initialize(&block) instance_eval(&block) if block_given? end end class Foo def initialize yield self if block_given? end end x = Foo.new 阅读全文
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(1)Here is Beijing,where I grow up.where其实也是指代北京,不过where是在北京的意思,也就是 in Beijing(2)Here is Beijing,in which I grow up.其实which就是指代北京,也就是I grow up in whic 阅读全文
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If you go in Run > Edit Configurations... And select All Specs in <Your Project> you'll see Filename Mask: **/*_spec.rb This means when you tell RubyM 阅读全文