... Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon. For example: numbers = [1, 2, 5, 8, 10, 13] enum.filter_map { |i| i * 2 if i.even? } # => [4, 16, 20] In your case, as the block evaluates to falsey, simp...

I need a shell command or script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns: ...

Given a mean and a variance is there a simple function call which will plot a normal distribution? 8 Answers ...

...深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列 zouxy09@qq.com http://blog.csdn.net/zouxy09 作者：Zouxy version 1....

...深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列 zouxy09@qq.com http://blog.csdn.net/zouxy09 作者：Zouxy version 1....

...深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列 zouxy09@qq.com http://blog.csdn.net/zouxy09 作者：Zouxy version 1....

...深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列 zouxy09@qq.com http://blog.csdn.net/zouxy09 作者：Zouxy version 1....

...深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列 zouxy09@qq.com http://blog.csdn.net/zouxy09 作者：Zouxy version 1....

...p_Learning_Series_3Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列 zouxy09@qq.com http://blog.csdn.net/zouxy09 作者：Zouxy version 1....

...p_Learning_Series_3Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列 zouxy09@qq.com http://blog.csdn.net/zouxy09 作者：Zouxy version 1....