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What is the bit size of long on 64-bit Windows?
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It is not clear if the question is about the Microsoft C++ compiler or the Windows API. However, there is no [c++] tag so I assume it is about the Windows API. Some of the answers have suffered from link rot so I am providing yet another link that can rot.
For information abou...
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How many levels of pointers can we have?
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The C++ standard "recommends" that an implementation support at least 256. (Readability recommends that you not exceed 2 or 3, and even then: more than one should be exceptional.)
– James Kanze
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Does C have a “foreach” loop construct?
... printf("value: %d\n", *v);
}
Edit: In case you are also interested in C++ solutions, C++ has a native for-each syntax called "range based for"
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How does the String class override the + operator?
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No, it doesn't. Operator overloading (as in C++ and some languages) has some drawbacks and Java designers felt that it's somewhat a confusing concept and omitted it from Java. To me, an object- oriented language must have the prime concepts of inheritance, Polymorphism...
What is this weird colon-member (“ : ”) syntax in the constructor?
...ber initialization list. You should find information about it in any good C++ book.
You should, in most cases, initialize all member objects in the member initialization list (however, do note the exceptions listed at the end of the FAQ entry).
The takeaway point from the FAQ entry is that,
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Will strlen be calculated multiple times if used in a loop condition?
... and again it requires more memory to store. and also because unlike Java, C++ has no "Garbage Collector". Then i can be wrong also. see link regarding absence of "Garbage Collector" in C++.
– codeDEXTER
Jul 6 '12 at 21:55
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How to check that an element is in a std::set?
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there is a set.contains(x) that returns a bool in the C++ 20 standard. I don't know why it's taken us until 2020 to get that in.
– gremwell
Aug 24 '18 at 6:33
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What does “#pragma comment” mean?
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#pragma comment is a compiler directive which indicates Visual C++ to leave a comment in the generated object file. The comment can then be read by the linker when it processes object files.
#pragma comment(lib, libname) tells the linker to add the 'libname' library to the list of libra...
Why use iterators instead of array indices?
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In C++0x, the size() member function will be required to have constant time complexity for all containers that support it, including std::list.
– James McNellis
Nov 6 '10 at 16:43
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