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c++ Programming Glossary: surpriseCopy a file in an sane, safe and efficient way http://stackoverflow.com/questions/10195343/copy-a-file-in-an-sane-safe-and-efficient-way every program. The unbuffered results are new and show no surprise. The unbuffered results didn't changed really. If i don't delete..
What is the correct answer for cout << c++ << c;? http://stackoverflow.com/questions/10782863/what-is-the-correct-answer-for-cout-c-c I answered choice b i.e. output would be 01 . But to my surprise later I was told by an interviewer that the correct answer is..
Do-While and if-else statements in C/C++ macros http://stackoverflow.com/questions/154136/do-while-and-if-else-statements-in-c-c-macros were not wrapped in curly brackets you'd get a bad surprise. if corge BAR corge else gralt The above code would expand into..
http://stackoverflow.com/questions/1666224/what-is-the-size-of-void same reason you can't do something like void n EDIT. To my surprise doing sizeof void actually does compile in C echo 'int main..
http://stackoverflow.com/questions/1683665/where-is-boost-process read up on the documentation of Boost.Process. Much to my surprise it wasn't there I then proceeded to figure out what name Boost..
Why copy constructor is not called in this case? http://stackoverflow.com/questions/1758142/why-copy-constructor-is-not-called-in-this-case and always declared variable of class as A a 5 . But to my surprise in the code above copy constructor is never called Visual C..
pure virtual function with implementation http://stackoverflow.com/questions/2089083/pure-virtual-function-with-implementation commonly used and the fact that it can be done seems to surprise most C programmers even experienced ones . share improve this..
Why was std::strstream deprecated? http://stackoverflow.com/questions/2820221/why-was-stdstrstream-deprecated used it but it did what I needed to do at the time so was surprise to hear of its deprecation. My question is why was this decision..
Declaring the array size with a non-constant variable http://stackoverflow.com/questions/2863347/declaring-the-array-size-with-a-non-constant-variable not a constant expression vector int v2 i ok But to my big surprise the code above does compile fine on my system Here is what I..
Why is there no parameter contra-variance for overriding? http://stackoverflow.com/questions/2995926/why-is-there-no-parameter-contra-variance-for-overriding be an override of Q f A . Following the principle of least surprise it is much simpler both for the compiler implementor and the.. it is not feasible but because there would be quirks and surprises in code and considering that there are simple work arounds..
How do exceptions work (behind the scenes) in c++ http://stackoverflow.com/questions/307610/how-do-exceptions-work-behind-the-scenes-in-c is typeinfo for MyException . OK that was not actually a surprise for me I already knew how this compiler did it. Continuing with..
Are all macros evil? [duplicate] http://stackoverflow.com/questions/319452/are-all-macros-evil in the debugger to provide some more clues. To my surprise this revealed pages and pages of assembly code for this single..
C++ templates declare in .h, define in .hpp http://stackoverflow.com/questions/3526299/c-templates-declare-in-h-define-in-hpp its methods in a .hpp file. This caught me a bit by surprise. Are there are particular conventions in C when dealing with..
Optimizing away a “while(1);” in C++0x http://stackoverflow.com/questions/3592557/optimizing-away-a-while1-in-c0x optimization capabilities. It looks to me that this can surprise many people though. Does someone have a good explanation of..
Unsequenced value computations (a.k.a sequence points) http://stackoverflow.com/questions/3852768/unsequenced-value-computations-a-k-a-sequence-points undefined behavior which you would expect. The only other surprise I found by searching for sequenced in N3126 was 5.3.4 16 where..
Destructors of builtin types (int, char etc..) http://stackoverflow.com/questions/456310/destructors-of-builtin-types-int-char-etc naked int's don't work but typedefed ones do was quite a surprise. Btw I have a solution that involves template functions. We..
Which compiler is right? 'template' before templated return type needed? http://stackoverflow.com/questions/6232294/which-compiler-is-right-template-before-templated-return-type-needed template inside of allocators. Edit We have a winner g GCC surprise surprise... . template typename T typename K class A public.. inside of allocators. Edit We have a winner g GCC surprise surprise... . template typename T typename K class A public T t K k template..
Check whether iterator belongs to a list http://stackoverflow.com/questions/6302706/check-whether-iterator-belongs-to-a-list out that's a pretty reasonable precondition and shouldn't surprise anyone. This is fine for all Standard containers as stored elements..
Is it safe to use -1 to set all bits to true? http://stackoverflow.com/questions/809227/is-it-safe-to-use-1-to-set-all-bits-to-true value of an unsigned type. For an example of a possible surprise consider this one unsigned long a ~0u It won't necessarily store..
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