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如何零基础自学SAS? - 知乎 如果希望直接了当,零基础也可以选择Learning Sas by Examples: A Programmer's Guide 其他的书可以放着以后再看。 我自己就是大五学车的时候看A Little SAS Book入门的,研究生开学之后选了学院开的SAS入门和SAS进阶发现都远没有超过A Little SAS Book的范围。 2 入门课程
选硬盘时,该选择SSD SATA SAS哪个好? - 知乎 机械硬盘主要为sata和sas接口,目前家用类别的移动硬盘多为sata接口,sas接口则为企业级应用。 SAS可满足高性能、高可靠性的应用,SATA则满足大容量、非关键业务的应用。
Apostrophe s or ss - English Language Usage Stack Exchange On the use of so-called 'zero genitive', marked by a simple apostrophe in spelling ('), as opposed to the 's genitive, Quirk, Greenbaum, Leech and Svartvik specify in A Comprehensive grammar of the English Language (pp 320 321) that: