大约有 3,000 项符合查询结果(耗时:0.0081秒) [XML]

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Approximate cost to access various caches and main memory?

...0 ns (16µs) SSD random read (olibre's note: should be less) 500 000 ns (½ms) Round trip in datacenter 2 000 000 ns (2ms) HDD random read (seek) See also other sources What every programmer should know about memory from Ulrich Drepper (2007) Old but still an excellent deep explanation abou...
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Get folder name from full file path

...red Mar 8 '11 at 6:53 Øyvind BråthenØyvind Bråthen 52.2k2525 gold badges113113 silver badges138138 bronze badges ...
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Get the (last part of) current directory name in C#

...ot exactly what the question was about. – Jakob Möllås May 16 '11 at 13:47 ...
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How to check if a query string value is present via JavaScript?

...wered Jun 12 '14 at 8:34 HumppakäräjätHumppakäräjät 92811 gold badge1010 silver badges1616 bronze badges ...
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Can I force pip to reinstall the current version?

I've come across situations where a current version of a package seems not to be working and requires reinstallation. But pip install -U won't touch a package that is already up-to-date. I see how to force a reinstallation by first uninstalling (with pip uninstall ) and then installing, but is th...
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Formatting “yesterday's” date in python

...wered Dec 4 '18 at 12:08 Arvid BäärnhielmArvid Bäärnhielm 31222 silver badges1010 bronze badges ...
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MySQL: determine which database is selected?

...al table. en.wikipedia.org/wiki/DUAL_table – Jan Thomä Nov 11 '11 at 16:03 12 ...
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__getattr__ on a module

... answered Mar 15 '10 at 13:24 Håvard SHåvard S 20.4k55 gold badges5555 silver badges6767 bronze badges ...
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SET NAMES utf8 in MySQL?

I often see something similar to this below in PHP scripts using MySQL 8 Answers 8 ...
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The opposite of Intersect()

...d Apr 11 '11 at 10:56 Øyvind BråthenØyvind Bråthen 52.2k2525 gold badges113113 silver badges138138 bronze badges ...