大约有 15,900 项符合查询结果(耗时:0.0375秒) [XML]

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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?

... Perfect! I tested it with 10 chars as length. 100000 tokens and still no duplicates! – Sharpless512 Feb 26 '14 at 8:13 ...
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How to check if PHP array is associative or sequential?

...; '3' ); One potential work around is running ksort($arr) before doing the test – Scott Jun 5 '13 at 21:58 ...
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Creating an R dataframe row-by-row

...data.table seems to be even faster than pre-allocation using data.frames. Testing here: stackoverflow.com/a/11486400/636656 – Ari B. Friedman Jul 15 '12 at 2:02 ...
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What's the best way to inverse sort in scala?

... answered Oct 18 '11 at 5:52 4e64e6 10.2k33 gold badges4545 silver badges5656 bronze badges ...
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Converting datetime.date to UTC timestamp in Python

...ted that this ignores timezone information even for offset-aware datetime (tested for Python 2.7). share | improve this answer | follow | ...
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What is the most useful script you've written for everyday life? [closed]

... community wiki 2 revs, 2 users 92%Ovid 96 ...
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Proper way to rename solution (and directories) in Visual Studio

...rol, so you may still have to use the manual method. Update 2018-01-31 Tested with Visual Studio 2008, 2010, 2012, 2013, 2015, 2017 Update 1, 2, 3, 4, 5. Update 2020-05-02 Tested with Visual Studio 2019. share ...
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iPhone App 开发第一步:从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...

...8d15/%5Bwww.pc175.com%5DXcode%204.2%20iOS%20SDK%205%20%28Snow%20Leopard%29%E4%B8%8B.torrent?key=AAABQE_oBDOJ7Ljt&p=&a=0-3da644f7&mode=download 3、之后把iTunes升级到10.6以上版本,其它软件组件勿升级,即只下载iTunes最新版安装即可,否则可能系统白装。不升级i...
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Developing for Android in Eclipse: R.java not regenerating

... community wiki 2 revs, 2 users 92%aioobe 1 ...
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How do I exchange keys with values in a dictionary?

... @CarlMeyer additionally for n > 1e6 (or 1e9) the memory usage will also be really large... and also slow this down a bunch. – Trevor Boyd Smith Nov 29 '18 at 17:39 ...