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What really is a deque in STL?
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@stefaanv, @Konrad: C++ implementations I have seen used an array of pointers to fixed-size arrays. This effectively means that push_front and push_back are not really constant-times, but with smart growing factors, you still get amortized const...
ReSharper warns: “Static field in generic type”
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I think the C++ name makes it clearest of all. In C++ they are called Templates, which is what they are, Templates for concrete classes.
– Michael Brown
Apr 6 '18 at 21:21
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Large-scale design in Haskell? [closed]
... don't you have to do the same? I don't see how a language such as Java or C++ would help you in this regard. If you say that you can use some sort of common interface that both types obey then you should have been doing that with Typeclasses in Haskell.
– semicolon
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Templated check for the existence of a class member function?
... but took me a while to figure out: replace typeof by decltype when using C++0x, e.g., via -std=c++0x.
– hrr
Jun 10 '11 at 16:46
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Why switch is faster than if
...dled.
packets[id].execute(data);
}
Edit since I use a Jump Table in C++ a lot now i'll show an example of a function pointer jump table. This is a very generic example, but I did run it and it works correctly. Keep in mind you must set the pointer to NULL, C++ will not do this automatically l...
Clang vs GCC for my Linux Development project
...sadvantages are to using clang, as opposed to GCC, for developing in C and C++ on Linux?
6 Answers
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stringstream, string, and char* conversion confusion
...struct the result directly into tmp, eliding the temporary; and any modern C++ compiler will do so when optimizations are enabled. Of course, the bind-to-const-reference solution guarantees no-copy, so may well be preferable - but I thought it's still worth clarifying.
– Pavel ...
What is the meaning of the term arena in relation to memory?
...hing that is repeated a million times everywhere as "wisdom". "The gods of C++ gave it to us, so we have to use it." And my favorite: "It's magic." No. It's not magic. It's just an algorithm that is so simple that even a computer can run it. In my book that's pretty far from magic. My guess: You und...
Optimizing away a “while(1);” in C++0x
...r infinite loops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
As N1509 correctly points out, the current draft essentially gives
undefined behavior to infinite loops in 6.8.5p6. A major issue for
doing so is that it allo...
Just what is Java EE really? [closed]
...mitigates the risk of vendor lock-in.
It's really no different with C and C++ compilers, where you have many competing offerings as well all adhering to the C++ standard.
Why is Java EE library version not in sync with standard Java library releases (Java EE 6 vs. Java 7)
Java EE builds on Java S...