大约有 5,400 项符合查询结果(耗时:0.0208秒) [XML]

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How to strip all non-alphabetic characters from string in SQL Server?

...ier I just used the Powershell script below, this example if for a VARCHAR(64): 1..64 | % { " + CASE WHEN a NOT LIKE '%' + SUBSTRING(x, {0}, 1) + '%' THEN '' ELSE SUBSTRING(x, {0}, 1) END" -f $_ } | clip.exe
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Upload artifacts to Nexus, without Maven

...accomplish this. Where profile is your sonatype/nexus profileID (such as 4364f3bbaf163) and repo (such as comdorkbox-1003) are parsed from the response when you upload your initial POM/Jar. Close repo: /** * Closes the repo and (the server) will verify everything is correct. * @throws IOExceptio...
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Simple proof that GUID is not unique [closed]

...til the heat death of the universe. for (long k = 0; k < Int64.MaxValue; k++) { for (long j = 0; j < Int64.MaxValue; j++) { Console.WriteLine("{0:u} - Looking for collisions with {1} thread(s)....", DateTime.Now, Envir...
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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?

...). # ~ % ruby -v # => ruby 2.1.5p273 (2014-11-13 revision 48405) [x86_64-darwin13.0] irb(main):038:0> Benchmark.measure do irb(main):039:1* ["1318996912", "1318496912"].each do |s| irb(main):040:2* DateTime.strptime(s, '%s') irb(main):041:2> end irb(main):042:1> end => #&l...
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get list from pandas dataframe column

...a 1.0 1 b 2.0 2 c 3.0 3 d NaN 4 column types: one float64 two int64 dtype: object col_one_list: [1.0, 2.0, 3.0, nan] type:<class 'list'> col_one_arr: [ 1. 2. 3. nan] type:<class 'numpy.ndarray'> ...
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.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,

...nstration: again, linked here) - though this is a result compounded by the 64-bit machine. This difference really demonstrates two things: first (1), a boxed Int32-type "object" (ArrayList) is much bigger than a pure Int32 primitive type (List); second (2), the difference is exponential as a result ...
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TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

... (Jul 28 2007) Herman ten Brugge <hermantenbrugge@home.nl>: * * - Add 64 bit support. It now runs on x86_64 and solaris64. * - I also tested this on vxworks/32and solaris/32 and i386/32 processors. * - Remove assembly code. I could not measure any performance difference * on my core2 p...
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best way to preserve numpy arrays on disk

... 64 I'm a big fan of hdf5 for storing large numpy arrays. There are two options for dealing with hd...
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Generate class from database table

... WHEN 'bigint' THEN CASE C.IS_NULLABLE WHEN 'YES' THEN 'Int64?' ELSE 'Int64' END WHEN 'binary' THEN 'Byte[]' WHEN 'bit' THEN CASE C.IS_NULLABLE WHEN 'YES' THEN 'bool?' ELSE 'bool' END WHEN 'char' THEN 'st...
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Legality of COW std::string implementation in C++11

... Dave SDave S 18.1k33 gold badges4343 silver badges6464 bronze badges 4 ...