大约有 40,000 项符合查询结果(耗时:0.0271秒) [XML]

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How do I get the path and name of the file that is currently executing?

I have scripts calling other script files but I need to get the filepath of the file that is currently running within the process. ...
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?

... With new_list = my_list, you don't actually have two lists. The assignment just copies the reference to the list, not the actual list, so both new_list and my_list refer to the same list after the assignment. To actually copy the list, you have various possibilit...
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To underscore or to not to underscore, that is the question

...other framework languages? For example since C# is case-sensitive you can call a field "foo" and the public property "Foo" and it works fine. ...
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What is your single most favorite command-line trick using Bash? [closed]

We all know how to use <ctrl>-R to reverse search through history, but did you know you can use <ctrl>-S to forward search if you set stty stop "" ? Also, have you ever tried running bind -p to see all of your keyboard shortcuts listed? There are over 455 on Mac OS X by default. ...
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Traverse a list in reverse order in Python

... are reversed on the fly while traversing! This is an important feature of all these iteration functions (which all end on “ed”). – Konrad Rudolph Feb 9 '09 at 19:10 9 ...
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Is there a benefit to defining a class inside another class in Python?

What I'm talking about here are nested classes. Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right? ...
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View array in Visual Studio debugger? [duplicate]

...ter or go to http://visualstudiogallery.msdn.microsoft.com/2fde2c3c-5b83-4d2a-a71e-5fdd83ce6b96?SRC=Home share | improve this answer | follow | ...
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How do you query for “is not null” in Mongo?

... This will return all documents with a key called "IMAGE URL", but they may still have a null value. db.mycollection.find({"IMAGE URL":{$exists:true}}); This will return all documents with both a key called "IMAGE URL" and a non-null value. d...
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Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?

...out this depending on the intended behavior, but this link should give you all the best solutions and not surprisingly is from Dianne Hackborn http://groups.google.com/group/android-developers/browse_thread/thread/d2a5c203dad6ec42 Essentially you have the following options Use a name for your in...
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std::unique_ptr with an incomplete type won't compile

... I find your first solution (adding the foo destructor) allows the class declaration itself to compile, but declaring an object of that type anywhere results in the original error ("invalid application of 'sizeof'..."). – Jeff Trull Sep 30 '1...