大约有 36,000 项符合查询结果(耗时:0.0436秒) [XML]

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How to do what head, tail, more, less, sed do in Powershell? [closed]

... Holy cow, this is maxing out my CPU to do a -last 2 on a 1GB CSV. Hot beverage: ☕ – mlissner Feb 19 '13 at 19:28 ...
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MySQL select 10 random rows from 600K rows fast

... I am getting fast queries (around 0.5 seconds) with a slow cpu, selecting 10 random rows in a 400K registers MySQL database non-cached 2Gb size. See here my code: Fast selection of random rows in MySQL <?php $time= microtime_float(); $sql='SELECT COUNT(*) FROM pages'; $rquery= B...
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What are some common uses for Python decorators? [closed]

... Under Unix, time.clock() measures CPU time. You might want to use time.time() instead if you want to measure wall-clock time. – Jabba Feb 4 '13 at 17:45 ...
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Completely uninstall PostgreSQL 9.0.4 from Mac OSX Lion?

...etting ./uninstall-postgresql.app/Contents/MacOS/uninstall-postgresql: Bad CPU type in executable... I completely forgot EDB apps are all 32-bit. – msr_overflow Dec 6 '19 at 21:23 ...
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Search all the occurrences of a string in the entire project in Android Studio

... edited Mar 13 '15 at 3:54 cpu2 3311 silver badge77 bronze badges answered Feb 3 '15 at 12:40 Jakub Micha...
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node.js execute system command synchronously

...at at the time of writing, the docs mention that the synchronous exec() is CPU intensive for long processes. – Aram Kocharyan Sep 1 '14 at 2:25 ...
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Row Offset in SQL Server

... rows? select 5000000000 rows and cut for each query? its not eficient for cpu and memory of server. – e-info128 Jul 15 '13 at 14:24 3 ...
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Regex to validate password strength

...hic.html). This can go unnoticed until one day your server hangs with 100% CPU because a user used a "strange" password. Example: ^([a-z0-9]+){8,}$ (can you see the error?) – aKzenT Sep 22 '17 at 18:10 ...
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为维护国家安全 中国限制出口无人机和高性能计算机 - 资讯 - 清泛网 - 专注...

...限制范围内。 2011年10月27日,我国第一台完全采用国产CPU处理器的千万亿次超级计算机——神威蓝光,在国家超级计算济南中心投入使用。 【商务部海关总署公告2015年第31号关于加强部分两用物项出口管制的公告】 根据《...
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My images are blurry! Why isn't WPF's SnapsToDevicePixels working?

...Button's image neither. Also, the application freezes for many seconds and CPU fan starts to sing. Using RenderOptions.BitmapScalingMode="NearestNeighbor" on my image corrected the image rendering issues (fuzzy and cropped image) and is fully compatible with the Ribbon Contextual Tabs usage. ...