大约有 43,100 项符合查询结果(耗时:0.0453秒) [XML]

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How do you get the magnitude of a vector in Numpy?

... only one obvious way to do it", how do you get the magnitude of a vector (1D array) in Numpy? 6 Answers ...
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TSQL - Cast string to integer or return default value

... If you are on SQL Server 2012 (or newer): Use the TRY_CONVERT function. If you are on SQL Server 2005, 2008, or 2008 R2: Create a user defined function. This will avoid the issues that Fedor Hajdu mentioned with regards to currency, fractional numbers,...
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Too many 'if' statements?

...imited number of outcomes: final int[][] result = new int[][] { { 0, 0, 1, 2 }, { 0, 0, 2, 1 }, { 2, 1, 3, 3 }, { 1, 2, 3, 3 } }; return result[one][two]; share | improve this answer ...
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How can I check if an ip is in a network in Python?

Given an ip address (say 192.168.0.1), how do I check if it's in a network (say 192.168.0.0/24) in Python? 27 Answers ...
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NSDate beginning of day and end of day

...terval that is from the first second of the first date (beginningOfDay:date1) to the last second of the second date (endOfDay:Date2) ... ...
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What's the algorithm to calculate aspect ratio?

... 18 Answers 18 Active ...
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Git for Windows - The Program can't start because libiconv2.dll is missing

... 104 Work around from this thread: http://groups.google.com/forum/#!topic/msysgit/twrVn_EbNI4 cd...
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Split function equivalent in T-SQL?

I’m looking to split '1,2,3,4,5,6,7,8,9,10,11,12,13,14,15...' (comma delimited) into a table or table variable. 15 Answ...
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How to shift a column in Pandas DataFrame

... 156 In [18]: a Out[18]: x1 x2 0 0 5 1 1 6 2 2 7 3 3 8 4 4 9 In [19]: a.x...
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What does axis in pandas mean?

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