大约有 46,000 项符合查询结果(耗时:0.0616秒) [XML]

https://stackoverflow.com/ques... 

Where is the .NET Framework 4.5 directory?

...ll find the assemblies in the 4.0 directory. See the blogs by Rick Strahl and Scott Hanselman on this topic. You can also find the specific versions in: C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework ...
https://stackoverflow.com/ques... 

Checking to see if one array's elements are in another array in PHP

... why in PHP docs about this function they say "Returns FALSE if var exists and has a non-empty, non-zero value. Otherwise returns TRUE. The following things are considered to be empty: array() (an empty array)"? Source: php.net/manual/en/function.empty.php – Pere ...
https://stackoverflow.com/ques... 

Does pandas iterrows have performance issues?

I have noticed very poor performance when using iterrows from pandas. 6 Answers 6 ...
https://stackoverflow.com/ques... 

What is the most efficient/elegant way to parse a flat table into a tree?

..., we can say that all popular SQL databases support recursive queries in standard syntax. WITH RECURSIVE MyTree AS ( SELECT * FROM MyTable WHERE ParentId IS NULL UNION ALL SELECT m.* FROM MyTABLE AS m JOIN MyTree AS t ON m.ParentId = t.Id ) SELECT * FROM MyTree; I tested recursive que...
https://stackoverflow.com/ques... 

Unique (non-repeating) random numbers in O(1)?

I'd like to generate unique random numbers between 0 and 1000 that never repeat (i.e. 6 doesn't show up twice), but that doesn't resort to something like an O(N) search of previous values to do it. Is this possible? ...
https://stackoverflow.com/ques... 

range() for floats

...mp): while x < y: yield float(x) x += decimal.Decimal(jump) And then: >>> list(drange(0, 100, '0.1'))[-1] 99.9 share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How do I decode a string with escaped unicode?

... to http://example.com with JavaScript? I tried unescape , decodeURI , and decodeURIComponent so I guess the only thing left is string replace. ...
https://stackoverflow.com/ques... 

Determine .NET Framework version for dll

I have an old dll that was compiled against the .NET framework and deployed. I am not sure which version of the .NET framework it was compiled against. I am wondering how I can determine which version of the .NET framework this dll was compiled against? I cannot trust the source code because I be...
https://stackoverflow.com/ques... 

Which, if any, C++ compilers do tail-recursion optimization?

...t it would work perfectly well to do tail-recursion optimization in both C and C++, yet while debugging I never seem to see a frame stack that indicates this optimization. That is kind of good, because the stack tells me how deep the recursion is. However, the optimization would be kind of nice as w...
https://stackoverflow.com/ques... 

Get exit code of a background process

I have a command CMD called from my main bourne shell script that takes forever. 12 Answers ...