大约有 40,700 项符合查询结果(耗时:0.0575秒) [XML]

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How to hide action bar before activity is created, and then show it again?

I need to implement splash screen in my honeycomb app. I use this code in activity's onCreate to show splash: 27 Answers ...
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How to read/process command line arguments?

... The canonical solution in the standard library is argparse (docs): Here is an example: from argparse import ArgumentParser parser = ArgumentParser() parser.add_argument("-f", "--file", dest="filename", help="write report to FILE", metavar="FILE") pa...
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MSBuild doesn't copy references (DLL files) if using project dependencies in solution

I have four projects in my Visual Studio solution (everyone targeting .NET 3.5) - for my problem only these two are important: ...
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String concatenation in Ruby

... You can do that in several ways: As you shown with << but that is not the usual way With string interpolation source = "#{ROOT_DIR}/#{project}/App.config" with + source = "#{ROOT_DIR}/" + project + "/App.config" The second method seems to be more efficient in term of memory/speed f...
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When is del useful in python?

... Firstly, you can del other things besides local variables del list_item[4] del dictionary["alpha"] Both of which should be clearly useful. Secondly, using del on a local variable makes the intent clearer. Compare: del foo to foo = None I know in the case of del foo that the inte...
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String concatenation: concat() vs “+” operator

... No, not quite. Firstly, there's a slight difference in semantics. If a is null, then a.concat(b) throws a NullPointerException but a+=b will treat the original value of a as if it were null. Furthermore, the concat() method only accepts String values while the + operator will silently convert th...
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Difference between == and ===

...ty operators: the double equals ( == ) and the triple equals ( === ), what is the difference between the two? 10 Answers ...
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Best practices for storing postal addresses in a database (RDBMS)?

... can be made and lots of pros and cons to each to be evaluated -- surely this has been done time and time again? Maybe someone has at least written done some lessons learned somewhere? ...
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How to define an enumerated type (enum) in C?

I'm not sure what is the proper syntax for using C enums. I have the following code: 13 Answers ...
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Alternative to itoa() for converting integer to string C++? [duplicate]

...o itoa() for converting an integer to a string because when I run it in visual Studio I get warnings, and when I try to build my program under Linux, I get a compilation error. ...