大约有 48,000 项符合查询结果(耗时:0.0432秒) [XML]

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How do you get the logical xor of two variables in Python?

... Although this is clever and short, I'm not convinced it's clean. When someone reads this construct in the code, is it immediately obvious to them that this is an xor operation? I felt obliged to add a comment - a sign for me that I'm writing unclear...
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PowerShell script to return versions of .NET Framework on a machine?

...swers both return the root number on my system for .NET 3.0 (where the WCF and WPF numbers, which are nested under 3.0, are higher -- I can't explain that), and fail to return anything for 4.0 ... EDIT: For .Net 4.5 and up, this changed slightly again, so there's now a nice MSDN article here expla...
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Iterate a list as pair (current, next) in Python

...ometimes need to iterate a list in Python looking at the "current" element and the "next" element. I have, till now, done so with code like: ...
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Forced naming of parameters in Python

... Parameters after “*” or “*identifier” are keyword-only parameters and may only be passed used keyword arguments. >>> def foo(pos, *, forcenamed): ... print(pos, forcenamed) ... >>> foo(pos=10, forcenamed=20) 10 20 >>> foo(10, forcenamed=20) 10 20 >>&g...
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Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha

... The regular expression you are after will most likely be huge and a nightmare to maintain especially for people who are not that familiar with regular expressions. I think it would be easier to break your regex down and do it one bit at a time. It might take a bit more to do, but I am ...
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Does MSTest have an equivalent to NUnit's TestCase?

... feature! To use it, just install the NuGet packages MSTest.TestFramework and MSTest.TestAdapter (both pre-release as of now). Older answer: If don't have to stick with MSTest and you're just using it for being able to run the tests via Test Explorer because you only have a Visual Studio Express ...
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Finding local IP addresses using Python's stdlib

... addresses (i.e. 192.168.x.x or 10.0.x.x) in Python platform independently and using only the standard library? 45 Answers ...
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Under what circumstances are linked lists useful?

... with a single CAS (+retries). In a modern GC-d environment - such as Java and .NET - the ABA problem can easily be avoided. Just wrap items you add in freshly created nodes and do not reuse those nodes - let the GC do its work. The page on the ABA problem also provides the implementation of a lock...
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Why is this program erroneously rejected by three C++ compilers?

... In the standard, §2.1/1 specifies: Physical source file characters are mapped, in an implementation-defined manner, to the basic source character set (introducing new-line characters for end-of-line indicators) if necessary. Yo...
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Random number from a range in a Bash Script

I need to generate a random port number between 2000-65000 from a shell script. The problem is $RANDOM is a 15-bit number, so I'm stuck! ...