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c++ Programming Glossary: expectCalling Objective-C method from C++ method? http://stackoverflow.com/questions/1061005/calling-objective-c-method-from-c-method not link under Xcode. The .mm extension tells Xcode to expect a combination of Objective C and C i.e. Objective C . You can..
Inline functions vs Preprocessor macros http://stackoverflow.com/questions/1137575/inline-functions-vs-preprocessor-macros problems. Macros can be used in context where you don't expect resulting in problems Macros are more flexible in that they..
What does the explicit keyword in C++ mean? http://stackoverflow.com/questions/121162/what-does-the-explicit-keyword-in-c-mean function print MyString and you call it with print 3 . You expect it to print 3 but it prints an empty string of length 3 instead...
How do we explain the result of the expression (++x)+(++x)+(++x)? http://stackoverflow.com/questions/1525187/how-do-we-explain-the-result-of-the-expression-xxx the result of the expression x x x x 1 std cout x x x I expect the output to be 11 but it's actually 12 . Why c c undefined.. share improve this question We explain it by expecting undefined behaviour rather than any particular result. As..
Does the size of an int depend on the compiler and/or processor? http://stackoverflow.com/questions/2331751/does-the-size-of-an-int-depend-on-the-compiler-and-or-processor usefulness of that implementation would end. Don't expect to see something like that in a normal C C compiler. share..
When does invoking a member function on a null instance result in undefined behavior? http://stackoverflow.com/questions/2474018/when-does-invoking-a-member-function-on-a-null-instance-result-in-undefined-beha void baz x 5 int x int main foo f 0 f bar a f baz b We expect b to crash because there is no corresponding member x for the..
What do 'statically linked' and 'dynamically linked' mean? http://stackoverflow.com/questions/311882/what-do-statically-linked-and-dynamically-linked-mean one that's not compatible developers who do this should expect to be hunted down and punished severely by the way . As an example..
Why is there no call to the constructor? http://stackoverflow.com/questions/3810570/why-is-there-no-call-to-the-constructor no call to the constructor This code doesn't behave how I expect it to. #include iostream using namespace std class Class Class.. ~Class cout destrutor called int main Class object I expected the output 'default constructor called' but I did not see..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c foo or bar will finish with the file first so we can't expect either to delete the file themselves. For instance if foo deletes..
http://stackoverflow.com/questions/4303513/push-back-vs-emplace-back variadic templates are implemented in the compiler you can expect that we'll take advantage of them in the libraries including..
C++ performance challenge: integer to std::string conversion http://stackoverflow.com/questions/4351371/c-performance-challenge-integer-to-stdstring-conversion as trivial as a call to std string clear which you might expect to be very fast can take 100 clockticks when linking CRT as..
http://stackoverflow.com/questions/4421706/operator-overloading itself succeeded but the result is not what would be expected. Function call operator The function call operator used to.. e.g. std sort and types e.g. std map will always only expect operator to be present. However the users of your type will.. to be present. However the users of your type will expect all the other operators to be present too so if you define operator..
http://stackoverflow.com/questions/5926103/most-vexing-parsec with a function argument. This is definitely not what we expect but from the compiler POV it's okay. TimeKeeper time_keeper.. complains time_keeper is function how on earth do you expect me to call one of its members It doesn't have member functions..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops double loop is now the slower one as you would normally expect. As @Stephen Cannon points out in the comments there is very..
What is the difference between _tmain() and main() in C++? http://stackoverflow.com/questions/895827/what-is-the-difference-between-tmain-and-main-in-c int i 0 i argc i cout i argv i endl return 0 I get what I expect and my arguments are printed out. However if I use _tmain int..
Calling virtual functions inside constructors http://stackoverflow.com/questions/962132/calling-virtual-functions-inside-constructors I write the following code main B b int n b.getn One might expect that n is set to 2. It turns out that n is set to 1. Why c..
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++? http://stackoverflow.com/questions/3457967/what-belongs-in-an-educational-tool-to-demonstrate-the-unwarranted-assumptions-p but ' s' is false. n info expr fflush stdout count #define EXPECT INFO EXPR if total EXPR expect INFO #EXPR stack check..How can.. 1 int main printf We like to think that n characters EXPECT 00 we have ASCII 'A' 65 EXPECT 01 A Z is in a block 'Z' 'A'.. to think that n characters EXPECT 00 we have ASCII 'A' 65 EXPECT 01 A Z is in a block 'Z' 'A' 1 26 EXPECT 02 big letters come..
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