大约有 47,000 项符合查询结果(耗时:0.0414秒) [XML]

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Clang vs GCC - which produces faster binaries? [closed]

...rtain) comprises at present around 11K LOC in about 90 files. It is coded, now, in C++ that is rich in polymorphism and templates and but is still mired in many patches by its not-so-distant past in hacked-together C. Move semantics are not expressly exploited. It is single-threaded. I have devoted ...
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What does the exclamation mark do before the function?

...ation. You would need an invocation, foo(), to actually run the function. Now, when we add the seemingly innocuous exclamation mark: !function foo() {} it turns it into an expression. It is now a function expression. The ! alone doesn't invoke the function, of course, but we can now put () at the ...
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Mailto links do nothing in Chrome but work in Firefox?

... I believe the default is to run the mail client on the computer. I know at work, it will run thunderbird; if they have outlook installed it may run outlook, etc. Personally, it did not run gmail by default, I had to set it up that way. – kennypu Jul 14 '...
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Adding external library in Android studio

... I know it by experience and inspecting.... But there are docs available : developer.android.com/sdk/installing/studio-build.html – malcubierre Sep 2 '14 at 6:28 ...
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When would I need a SecureString in .NET?

... After 11 years, this answer looks now to be the 'new' correct one. The links seem to be going stale but guidance from MS is: SecureString shouldn't be used – Richard Morgan Jul 5 '19 at 11:24 ...
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Produce a random number in a range using C#

... Something like: var rnd = new Random(DateTime.Now.Millisecond); int ticks = rnd.Next(0, 3000); share | improve this answer | follow ...
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How to remove the arrow from a select element in Firefox

... Okay, I know this question is old, but 2 years down the track and mozilla have done nothing. I've come up with a simple workaround. This essentially strips all formatting of the select box in firefox and wraps a span element aroun...
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Which is faster: Stack allocation or Heap allocation

... On some (mostly embedded, that I know of) architectures, stack may be stored in fast on-die memory (e.g. SRAM). This can make a huge difference! – leander Jul 15 '09 at 1:16 ...
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file_put_contents - failed to open stream: Permission denied

... There is now a troubleshooting checklist for this kind of problems : stackoverflow.com/questions/36577020/… – Vic Seedoubleyew Aug 20 '16 at 9:26 ...
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How to programmatically send SMS on the iPhone?

Does anybody know if it's possible, and how, to programmatically send a SMS from the iPhone , with the official SDK / Cocoa Touch? ...