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c++ Programming Glossary: snippetWhat do the following phrases mean in C++: zero-, default- and value-initialization? http://stackoverflow.com/questions/1613341/what-do-the-following-phrases-mean-in-c-zero-default-and-value-initializat in VS 2008 VC 9 or cl.exe version 15.x . The following snippet shows that MSVC and Digital Mars follow C 98 rules while GCC..
Why copy constructor is not called in this case? http://stackoverflow.com/questions/1758142/why-copy-constructor-is-not-called-in-this-case is not called in this case Here is the little code snippet class A public A int value value_ value cout Regular constructor..
Reading from text file until EOF repeats last line http://stackoverflow.com/questions/21647/reading-from-text-file-until-eof-repeats-last-line Note I've skipped all error checking code to keep the code snippet small. The above behaviour is seen on Windows Visual C cygwin..
Output unicode strings in Windows console app http://stackoverflow.com/questions/2492077/output-unicode-strings-in-windows-console-app I found this Using unicode font in c console app and this snippet works. SetConsoleOutputCP CP_UTF8 wchar_t s L èéø ǽл Σæ a int.. EDIT I could not find any other solution than to wrap this snippet around in a stream. Hope somebody has better ideas. Unicode..
Calling class method through NULL class pointer http://stackoverflow.com/questions/2505328/calling-class-method-through-null-class-pointer method through NULL class pointer I have following code snippet class ABC public int a void print cout hello endl int main ABC..
Optimizing away a “while(1);” in C++0x http://stackoverflow.com/questions/3592557/optimizing-away-a-while1-in-c0x C 0x allows an compiler to print Hello for the following snippet #include iostream int main while 1 std cout Hello std endl It..
When to pass by reference and when to pass by pointer in C++? http://stackoverflow.com/questions/3613065/when-to-pass-by-reference-and-when-to-pass-by-pointer-in-c the beginning of that function. Do you think the following snippet is good #include iostream #include vector #include map #include..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali block. Update the end of data pointer. The latest code snippet I posted vector char simple iterator plus bounds check not only..
How many and which are the uses of “const” in C++? http://stackoverflow.com/questions/455518/how-many-and-which-are-the-uses-of-const-in-c address for COW strings cout void a 0 void b 0 The above snippet prints the same address on my GCC because the used C library..
When to use virtual destructors? http://stackoverflow.com/questions/461203/when-to-use-virtual-destructors to be virtual. Now let's have a look at the following snippet Base b new Derived use b delete b Here's the problem Since Base's..
C++ Returning reference to local variable http://stackoverflow.com/questions/4643713/c-returning-reference-to-local-variable p 1 return p c share improve this question This code snippet int func1 int i i 1 return i will not work because you're returning..
http://stackoverflow.com/questions/5368862/why-do-multiple-inherited-functions-with-same-name-but-different-signatures-not not get treated as overloaded functions The following snippet produces an ambigious call to foo error during compilation and..
Why should `new` be used as little as possible? http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible into another object. std string is a perfect example. This snippet int main int argc char argv std string program argv 0 actually.. memory allocation. In particular it implies that in this snippet int main int argc char argv std string program new std string..
C++: Pointer to class data member http://stackoverflow.com/questions/670734/c-pointer-to-class-data-member to class data member I came across this strange code snippet which compiles fine class Car public int speed int main int..
http://stackoverflow.com/questions/795286/what-does-do-in-c does ' ' do in C int qempty return f r 1 0 In the above snippet what does mean What can we replace it with c operators ternary..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python equivalent based on J.F.'s code just showing the relevant snippet that replaces the python for loop BUFFER_SIZE 16384 count sum.. python code on the one hand to wc l and this last python snippet on the other as the latter two don't actually store the read..
Advantage of switch over if-else statement http://stackoverflow.com/questions/97987/advantage-of-switch-over-if-else-statement to be considered but are not critical. I've abstracted the snippet so don't hate me for the naming conventions p numError is an..
Boost: De-serializing a custom C++ object passed over ZeroMQ pull socket http://stackoverflow.com/questions/14565538/boost-de-serializing-a-custom-c-object-passed-over-zeromq-pull-socket code snippet 3 function sendToBE . Thanks in advance. CODE SNIPPET 1 GDB OUTPUT backtrace gdb TestBE GNU gdb GDB 7.5 ubuntu ....... 60 #15 0x0804b2a1 in main at TestBE.cxx 28 CODE SNIPPET 2 GenericMessage.hxx #include iostream #include string #include.. ar const unsigned int version ar beId ar data CODE SNIPPET 3 ZmqHandler.hxx #include zmq.hpp #include GenericMessage.hxx..
http://stackoverflow.com/questions/19987431/usage-in-smart-pointers but I would like to know the concept right. CODE SNIPPET 1 SMART POINTER Class template typename T class SmartPointer.. mRawPointer T operator const return mRawPointer CODE SNIPPET 2 Class Dummy class Dummy public foo ...... CODE SNIPPET 3 INVOCATTION.. SNIPPET 2 Class Dummy class Dummy public foo ...... CODE SNIPPET 3 INVOCATTION ALTERNATIVES IN QUESTION SmartPointer Dummy dummy..
Boost Static Assertion for Type Comparision http://stackoverflow.com/questions/6642050/boost-static-assertion-for-type-comparision as well with the above version.... hm... EDIT HERE A SNIPPET WHICH DOES NOT WORK IN MSVC This snipped should compile in MSVC..
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