大约有 48,000 项符合查询结果(耗时:0.1047秒) [XML]

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Call apply-like function on each row of dataframe with multiple arguments from each row

... thanks @agstudy, that worked! do you know if there is any way to specify the args by name instead of by index? so, for testFunc, something like apply(dat[,c('x','z')], 1, [pseudocode] testFunc(a=x, b=y))? the reason is that I am calling power.t.test in this ma...
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Visual Studio 2010 always thinks project is out of date, but nothing has changed

... Thank you - now why isn't that in the regular output window? – Martin Beckett Oct 27 '12 at 0:40 4 ...
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What is the difference between atomic and critical in OpenMP?

...ite right. I don't think that statement was ever correct, I'll correct it now. – Jonathan Dursi Jun 27 '16 at 14:04 A...
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Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4

... Just ran into this problem. I don't know if it's the same thing that hit your code, but for me the root cause was because I forgot to put name= on the last argument of the url (or path in Django 2.0+) function call. For instance, the following functions throw t...
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HashMap get/put complexity

...mplementations, which ought to be good. On top of that, what you may not know (again, this is based in reading source - it's not guaranteed) is that HashMap stirs the hash before using it, to mix entropy from throughout the word into the bottom bits, which is where it's needed for all but the huges...
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Which is faster in Python: x**.5 or math.sqrt(x)?

... I've now run it 3 times on codepad.org and all three times a() was much faster than b(). – Jeremy Ruten Nov 29 '08 at 1:38 ...
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Multiple submit buttons in an HTML form

...this: <input type="button" name="prev" value="Previous Page" /> Now the Next button would be the default, plus you could also add the default attribute to it so that your browser will highlight it like so: <input type="submit" name="next" value="Next Page" default /> ...
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How to dynamically create a class?

....DefineType call to include the static type as the last parameter (is null now) – danijels Oct 5 '10 at 9:49 2 ...
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List files by last edited date

... is not available on BSD find (you will get this error: find: -printf: unknown primary or operator). Fortunately you can Install GNU find through Homebrew (there should be an option to Fink and Macports as well): brew install findutils After install it the GNU find should be available to you as ...
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What does the 'standalone' directive mean in XML?

... longer current on the whole XML stuff, so I cannot confidently edit right now. Feel free to edit yourself if you have up-to-date knowledge :-). – sleske Jun 3 at 10:10 add a ...