大约有 8,300 项符合查询结果(耗时:0.0310秒) [XML]

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Difference between `constexpr` and `const`

What's the difference between constexpr and const ? 9 Answers 9 ...
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Append TimeStamp to a File Name

...his problem several times in which I would like to have multiple versions of the same file in the same directory. The way I have been doing it using C# is by adding a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.') . Is there a bette...
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How to set HTTP headers (for cache-control)?

How to enable browser caching for my site? Do I just put cache-control:public somewhere up in my header like this? 8 Answer...
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In Objective-C why should I check if self = [super init] is not nil?

... For example: [[NSData alloc] initWithContentsOfFile:@"this/path/doesn't/exist/"]; [[NSImage alloc] initWithContentsOfFile:@"unsupportedFormat.sjt"]; [NSImage imageNamed:@"AnImageThatIsntInTheImageCache"]; ... and so on. (N...
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Big-oh vs big-theta [duplicate]

It seems to me like when people talk about algorithm complexity informally, they talk about big-oh. But in formal situations, I often see big-theta with the occasional big-oh thrown in. I know mathematically what the difference is between the two, but in English, in what situation would using big-oh...
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Determine if Python is running inside virtualenv

Is it possible to determine if the current script is running inside a virtualenv environment? 16 Answers ...
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How to convert comma-delimited string to list in Python?

Given a string that is a sequence of several values separated by a commma: 7 Answers 7...
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Formatting a number with exactly two decimals in JavaScript

I have this line of code which rounds my numbers to two decimal places. But I get numbers like this: 10.8, 2.4, etc. These are not my idea of two decimal places so how I can improve the following? ...
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Prevent tabstop on A element (anchor link) in HTML

Is it possible to cancel an <a href="..."> from being tabstopped in any browser? I would like to do this without Javascript. ...
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C++ SFINAE examples?

I want to get into more template meta-programming. I know that SFINAE stands for "substitution failure is not an error." But can someone show me a good use for SFINAE? ...