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Nginx缓存解决方案:SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术

...多的时候,冗余的浪费将非常严重,此外还有数据一致性问题,所以它只是一个粗线条的解决方案。 对此类问题而言,SRCache是一个细粒度的解决方案。其工作原理大致如下: SRCache工作原理 当问题比较简单的时候,通常SRC...
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Why doesn't JavaScript support multithreading?

...All Chrome does is separate multiple components (different tabs, plug-ins, etcetera) into separate processes, but I can’t imagine a single page having more than one JavaScript thread. You can however use, as was suggested, setTimeout to allow some sort of scheduling and “fake” concurrency. Th...
https://www.tsingfun.com/ilife/tech/1266.html 

创业第一年 太特么累了 - 资讯 - 清泛网 - 专注C/C++及内核技术

...吧?”。。。。。。;在考虑如何回答这些我都没想过的问题时,忽然感觉心里有一万只草泥马在奔腾,这货是故意来玩我的吧?再这么聊下去,估计我钱包里仅有的两百块钱也保不住,他留下还不祸害全公司的人。借口有事果...
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Naming conventions: “State” versus “Status” [closed]

...t dirty (therefore requiring saving), is it complete, is it pending input, etc I hope that helps you in your decision. share | improve this answer | follow | ...
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How to return only the Date from a SQL Server DateTime datatype

... access strategies and do not always reveal implicit costs involved in the CPU time taken to perform all the pieces. If both queries are run against a table with millions of rows, the CPU time using DateDiff can be close to 1/3rd of the Convert CPU time! To see execution plans for queries: set sho...
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What are the differences between a UIView and a CALayer?

...CALayer, which inherit from NSObject, mainly focus on rendering, animation etc. share | improve this answer | follow | ...
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Python 3.x rounding behavior

...context for the Decimal module that does this for you implicitly. See the setcontext() function. – kindall May 31 '12 at 21:04 ...
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来自微软的一手内幕:Windows 10是怎么出炉的 - 创意 - 清泛网 - 专注C/C++及内核技术

...各种bug,他都非常耐心的在听,甚至还用邮件秒传了一个问题的解决方案给我。 他承认,干了这么多年的产品支持,自己对品质有一定偏执。很明显,他是发自内心地在乎。虽然许多人会开玩笑说,IT支持只不过是一个告诉...
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Combine two columns of text in pandas dataframe

...[252]: (200000, 2) UPDATE: new timings using Pandas 0.19.0 Timing without CPU/GPU optimization (sorted from fastest to slowest): In [107]: %timeit df['Year'].astype(str) + df['quarter'] 10 loops, best of 3: 131 ms per loop In [106]: %timeit df['Year'].map(str) + df['quarter'] 10 loops, best of 3: ...
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小心!创业者不可不知的互联网家装惊天伪命题 - 资讯 - 清泛网 - 专注C/C++...

...便能够实时监控到整个装修过程,对于家装过程中出现的问题,用户没有必要前往装修现场,便能够完成对整个装修过程的控制……改变正在悄然发生,虽然这些改变虽然有些机械,但是它们却正在真切地发生着。 而用户也从...