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Why is NaN not equal to NaN? [duplicate]
... I also like NaN to propagate "like a virus". Unfortunately, it doesn't. The moment you compare, for example, NaN + 1 != 0, or NaN * 1 > 0, it returns True or False as if everything was fine. Therefore, you can't rely on NaN protecting you from problems if you plan to use comparison op...
How can I unstage my files again after making a local commit?
... What is described in this answer is actually what git commit --amend does; but with a much more complicated workflow. This does not answer the question OP asked, in spite of giving a good direction (git reset).
– 7heo.tk
May 12 '15 at 11:26
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What does int argc, char *argv[] mean?
...ULL. It's allowed by the standard AFAIK. I've never heard of a system that does this in practice, but it certainly could exist and wouldn't be violating any standards.
– Chuck
Jun 11 '10 at 15:56
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When should I really use noexcept?
...nto account the fact that you may have lied. If a function marked noexcept does throw, then std::terminate is called.
These semantics were chosen for two reasons:
immediately benefiting from noexcept even when dependencies do not use it already (backward compatibility)
allowing the specification ...
C++, What does the colon after a constructor mean? [duplicate]
I have some C++ code here:
6 Answers
6
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When do you use POST and when do you use GET?
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How does not sticking info in the URL make it more secure? (Btw, I am one of those who believes that a false sense of security is more dangerous, than not having security at all).
– ePharaoh
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What does (function($) {})(jQuery); mean?
...as plugins tend to be functions.
Type 2: This is again not a plugin as it does not extend the $.fn object. It's just an extenstion of the jQuery core, although the outcome is the same. This is if you want to add traversing functions such as toArray and so on.
Type 3: This is the best method to add...
The name does not exist in the namespace error in XAML
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When you are writing your wpf code and VS tell that "The name ABCDE does not exist in the namespace clr-namespace:ABC". But you can totally build your project successfully, there is only a small inconvenience because you can not see the UI designing (or just want to clean the code).
Try to ...
Windows batch files: .bat vs .cmd?
...x. Assuming that my code will never need to run on anything older than NT, does it really matter which way I name my batch files, or is there some gotcha awaiting me by using the wrong suffix?
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F# changes to OCaml [closed]
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The main differences are that F# does not support:
functors
OCaml-style objects
polymorphic variants
the camlp4/5 preprocessor or extension points (ppx)
In addition, F# has a different syntax for labeled and optional parameters.
In theory, OCaml program...