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c++ Programming Glossary: againSystem(“pause”); - Why is it wrong? http://stackoverflow.com/questions/1107705/systempause-why-is-it-wrong
Sizeof array passed as parameter http://stackoverflow.com/questions/1328223/sizeof-array-passed-as-parameter a reference After the we reach the opening so we reverse again and look right. We now see 100 'a' is a reference to an array.. is a reference to an array of 100 And we reverse direction again until we reach char 'a' is a reference to an array of 100 chars..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol with the result The preprocessor will start parsing a.h again will meet the #include b.h directive again and this will set.. parsing a.h again will meet the #include b.h directive again and this will set up a potentially infinite recursive process... a.h The compiler will start preprocessing a.h again and meet the #ifndef A_H directive again. However during previous..
How to use QueryPerformanceCounter? http://stackoverflow.com/questions/1739259/how-to-use-queryperformancecounter and when I reset the timer I just call the function again and assign startingTicks to it. Unfortunately from the code..
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 it's evaluated just as if it were non static and we once again dereference a null pointer with E1 .E2 . However because E1..
http://stackoverflow.com/questions/248693/double-negation-in-c-code boolean representation. So they negate it then negate that again to get it back to its actual boolean value. Is this a correct..
http://stackoverflow.com/questions/3106110/what-is-move-semantics have no names so the client has no way to inspect them again at a later point in time. rvalues denote temporary objects which.. wasn't necessary to copy it because x y is an rvalue and again it is okay to move from string objects denoted by rvalues. To.. because the client has no way of inspecting the object again. I hope this example got the main point across. There is a lot..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points reading it. If you already know these things reading them again won't make you crazy. Pre requisites An elementary knowledge..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers Many thanks Update and solution After raising this problem again on Channel 9 I got a fantastic answer from Sven Groot which..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope in the room that you just vacated. It doesn't because again that would be expensive. An implementation of C is not required..
Where do I find the current C or C++ standard documents? http://stackoverflow.com/questions/81656/where-do-i-find-the-current-c-or-c-standard-documents do we find that online Googling can sometimes feel futile again especially for the C standards since they are drowned in the..
Which kind of pointer do I use when? http://stackoverflow.com/questions/8706192/which-kind-of-pointer-do-i-use-when use operations that need copyable types obviously . Note again that Boost has an array version scoped_array which the standard..
What is the difference between char a[] = “string”; and char *p = “string”; http://stackoverflow.com/questions/9460260/what-is-the-difference-between-char-a-string-and-char-p-string using google or otherwise. Please Do not modify the title again As the heading says What is the difference between char a string..
http://stackoverflow.com/questions/1135841/c-multiline-string-literal each line's content. This works but you can't indent. Again note those backslashes at the end of each line they must be..
Why use iterators instead of array indices? http://stackoverflow.com/questions/131241/why-use-iterators-instead-of-array-indices that the container has operator std size_t defined. Again this is true for vector but not for other containers. The use..
Template issue causes linker error (C++) http://stackoverflow.com/questions/1639797/template-issue-causes-linker-error-c allocator@D@2@@std@@@Z place.obj Program2 Again I'm new to templates so I don't know what's going. All instances..
Why should exceptions be used conservatively? http://stackoverflow.com/questions/1744070/why-should-exceptions-be-used-conservatively be relevant to some systems and irrelevant to others. Again I don't necessarily disagree that they should be saved for special..
Is there any way to determine the size of a C++ array programmatically? And if not, why? http://stackoverflow.com/questions/197839/is-there-any-way-to-determine-the-size-of-a-c-array-programmatically-and-if-n which prints 256 but I don't think one exists in C . Again part of the question is why it doesn't exist. Clarification..
How to pass a multidimensional array to a function in C and C++ http://stackoverflow.com/questions/2828648/how-to-pass-a-multidimensional-array-to-a-function-in-c-and-c absolutely nothing to do with the content of your array. Again initialize your array in main to something else to see that..
http://stackoverflow.com/questions/3106110/what-is-move-semantics the data that originally belonged to the source string. Again the key insight is that under no circumstance could the client..
C++ - passing references to boost::shared_ptr http://stackoverflow.com/questions/327573/c-passing-references-to-boostshared-ptr like in Class only_work_with_sp boost shared_ptr foo sp Again no copy here ... sp do_something ... I can't see in both cases.. case Class only_work_with_sp boost shared_ptr foo sp Again no copy here ... sp do_something ... How do you know that sp..
http://stackoverflow.com/questions/4421706/operator-overloading are very few reasonable use cases for overloading these. 3 Again the lesson to be taken from this is that a b is in general more..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c argument is an array but the second argument is a pointer. Again array to pointer decay kicks in. share improve this answer..
How to convert a number to string and vice versa in C++ http://stackoverflow.com/questions/5290089/how-to-convert-a-number-to-string-and-vice-versa-in-c streams this time input string stream istringstream . Again istringstream is used just like cin . Again do not confuse istringstream.. . Again istringstream is used just like cin . Again do not confuse istringstream with istrstream . The latter is..
http://stackoverflow.com/questions/5503352/const-before-or-const-after a function pointer to a function which returns void . Again the thing to notice is that the language syntax supports a left..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope if anyone touches the previously valid stack page . Again implementations do not actually do that because it is slow and..
http://stackoverflow.com/questions/6635851/real-world-use-of-x-macros sizeof b##_cmd_t COMMAND_TABLE #undef ENTRY tx_buf_t Again this union is like my offset struct it is not instantiated instead..
Array placement-new requires unspecified overhead in the buffer? http://stackoverflow.com/questions/8720425/array-placement-new-requires-unspecified-overhead-in-the-buffer the standard somewhere guarantee that y 0 in this case Again the quote says This overhead may be applied in all array new..
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 Read 100000000 lines in 4.7275 seconds. LPS 21152829 Again it's a bit silly for me to compare C fgets cin and the first.. same file on the same box with the original synced C code. Again this is for a 100M line file on a fast disk. Here's the complete..
What XML parser should I use in C++? http://stackoverflow.com/questions/9387610/what-xml-parser-should-i-use-in-c choices here LibXML2 It provides full XPath 1.0 support. Again it is a C API so if that bothers you there are alternatives...
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