大约有 26,000 项符合查询结果(耗时:0.0390秒) [XML]

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Why should C++ programmers minimize use of 'new'?

I stumbled upon Stack Overflow question Memory leak with std::string when using std::list<std::string> , and one of the comments says this: ...
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how to prevent “directory already exists error” in a makefile when using mkdir

I need to generate a directory in my makefile and I would like to not get the "directory already exists error" over and over even though I can easily ignore it. ...
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Python: Checking if a 'Dictionary' is empty doesn't seem to work

I am trying to check if a dictionary is empty but it doesn't behave properly. It just skips it and displays ONLINE without anything except of display the message. Any ideas why ? ...
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Make a Bash alias that takes a parameter?

I used to use CShell ( csh ), which lets you make an alias that takes a parameter. The notation was something like 20 Answe...
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how to draw smooth curve through N points using javascript HTML5 canvas?

For a drawing application, I'm saving the mouse movement coordinates to an array then drawing them with lineTo. The resulting line is not smooth. How can I produce a single curve between all the gathered points? ...
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Decimal precision and scale in EF Code First

I'm experimenting with this code-first approach, but I'm find out now that a property of type System.Decimal gets mapped to a sql column of type decimal(18, 0). ...
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Send POST data on redirect with JavaScript/jQuery? [duplicate]

Basically what I want to do is send POST data when I change the window.location , as if a user has submitted a form and it went to a new page. I need to do it this way because I need to pass along a hidden URL, and I can’t simply place it in the URL as a GET for cosmetic reasons. ...
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Java switch statement multiple cases

Just trying to figure out how to use many multiple cases for a Java switch statement. Here's an example of what I'm trying to do: ...
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How can I run PowerShell with the .NET 4 runtime?

I am updating a PowerShell script that manages some .NET assemblies. The script was written for assemblies built against .NET 2 (the same version of the framework that PowerShell runs with), but now needs to work with .NET 4 assemblies as well as .NET 2 assemblies. ...
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How do I use PHP namespaces with autoload?

I get this error when I try to use autoload and namespaces: 13 Answers 13 ...