大约有 47,000 项符合查询结果(耗时:0.0772秒) [XML]

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How to add a ScrollBar to a Stackpanel

In my WPF application, I have a Stackpanel containing several controls inside them. How can I add a Scrollbar to this stackpanel. ...
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How do you sort an array on multiple columns?

I have a multidimensional array. The primary array is an array of 16 Answers 16 ...
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In Scala, what exactly does 'val a: A = _' (underscore) mean?

What exactly does val a: A = _ initialize a value to? Is this a typed null? Thanks. 2 Answers ...
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When should I use Struct vs. OpenStruct?

In general, what are the advantages and disadvantages of using an OpenStruct as compared to a Struct? What type of general use-cases would fit each of these? ...
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Is std::vector so much slower than plain arrays?

I've always thought it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so: ...
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Getting the closest string match

I need a way to compare multiple strings to a test string and return the string that closely resembles it: 12 Answers ...
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How can I make setuptools install a package that's not on PyPI?

I've just started working with setuptools and virtualenv. My package requires the latest python-gearman that is only available from GitHub. The python-gearman version that's on PyPI is an old one. The Github source is setuptools-compatible, i.e. has setup.py, etc. Is there a way to make setuptools d...
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What is the “-->” operator in C++?

After reading Hidden Features and Dark Corners of C++/STL on comp.lang.c++.moderated , I was completely surprised that the following snippet compiled and worked in both Visual Studio 2008 and G++ 4.4. ...
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Why does this code using random strings print “hello world”?

The following print statement would print "hello world". Could anyone explain this? 15 Answers ...
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How to center align the cells of a UICollectionView?

I am currently using UICollectionView for the user interface grid, and it works fine. However, I'd like to be enable horizontal scrolling. The grid supports 8 items per page and when the total number of items are, say 4, this is how the items should be arranged with horizontal scroll direction ena...