大约有 42,000 项符合查询结果(耗时:0.0538秒) [XML]

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How can I upload files asynchronously?

I would like to upload a file asynchronously with jQuery. 34 Answers 34 ...
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How do I install a NuGet package .nupkg file locally?

I have some .nupkg files from a C# book. How can I install them? 8 Answers 8 ...
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The performance impact of using instanceof in Java

I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...
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What function is to replace a substring from a string in C?

Given a ( char * ) string, I want to find all occurrences of a substring and replace them with an alternate string. I do not see any simple function that achieves this in <string.h> . ...
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What does the @ symbol before a variable name mean in C#? [duplicate]

I understand that the @ symbol can be used before a string literal to change how the compiler parses the string. But what does it mean when a variable name is prefixed with the @ symbol? ...
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Omitting the second expression when using the if-else shorthand

Can I write the if else shorthand without the else ? 8 Answers 8 ...
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Is type=“text/css” necessary in a tag?

I was wondering whether or not it is necessary to use <link rel="stylesheet" type="text/css" href=...> over <link rel="stylesheet" href=...> . The rel="stylesheet" marks the information that it is a stylesheet - so text/css doesn't actually add anything as far as I'm concerned. ...
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Centering controls within a form in .NET (Winforms)? [duplicate]

I'm trying to center a fixed size control within a form. 9 Answers 9 ...
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Which method performs better: .Any() vs .Count() > 0?

in the System.Linq namespace, we can now extend our IEnumerable's to have the Any() and Count() extension methods . ...
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C++0x has no semaphores? How to synchronize threads?

Is it true that C++0x will come without semaphores? There are already some questions on Stack Overflow regarding the use of semaphores. I use them (posix semaphores) all the time to let a thread wait for some event in another thread: ...