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c++ Programming Glossary: correctDetecting endianness programmatically in a C++ program http://stackoverflow.com/questions/1001307/detecting-endianness-programmatically-in-a-c-program this is clearer and according to C99 is guaranteed to be correct. gcc prefers this compared to the direct pointer cast. This..
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array instructions are complete. Then you continue down the correct path. Modern processors are complicated and have long pipelines... many times. Even a simple saturating counter will correctly predict the branch except for the few iterations after it..
What does the explicit keyword in C++ mean? http://stackoverflow.com/questions/121162/what-does-the-explicit-keyword-in-c-mean constructor can be used to convert the parameter to the correct type. The compiler is allowed to do this once for each parameter...
throwing exceptions out of a destructor http://stackoverflow.com/questions/130117/throwing-exceptions-out-of-a-destructor onto the user. If the user is in a position to correct exceptions they will manually call the appropriate functions..
Most vexing parse: why doesn't A a(()); work? http://stackoverflow.com/questions/1424510/most-vexing-parse-why-doesnt-a-a-work error My question is why Yes I'm very well aware that the correct 'workaround' is to change it to A a but I'm curious to know..
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 corge f corge g corge else gralt which is syntactically incorrect as the else is no longer associated with the if. It doesn't.. the macro because the following is also syntactically incorrect. if corge f corge g corge else gralt There are two ways of fixing.. the above code into what follows which is syntactically correct. if corge f corge g corge else gralt This doesn't work if instead..
Best open XML parser for C++ [closed] http://stackoverflow.com/questions/170686/best-open-xml-parser-for-c open XML parser for C closed Looking for a simple clean correct XML parser to use in my C project. Read and write my own..extension..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison two double or two float values Simply doing this is not correct bool CompareDoubles1 double A double B return A B But something.. case using the builtin C operator for doubles produced correct results. Like I said it all depends on context and the expected.. hold int values in certain cases your arithmetic will be correct. For example 4.0 2.0 will be the same as 1.0 1.0. This is as..
In what cases do I use malloc vs new? http://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-vs-new char pBuffer new char 1024 Be careful though this is not correct This is incorrect may delete only one element may corrupt the.. char 1024 Be careful though this is not correct This is incorrect may delete only one element may corrupt the heap or worse.....
What should main() return in C and C++? http://stackoverflow.com/questions/204476/what-should-main-return-in-c-and-c should main return in C and C What is the correct most efficient way to define the main function in C and C int..
http://stackoverflow.com/questions/213907/c-stdendl-vs-n ask for binary. The compiled program will write out the correct thing for the system compiled for. The only difference is that..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior behavior even nasal demons . It does not matter what the correct behavior is according to your mental model of the language...
C++ Timer function to provide time in nano seconds http://stackoverflow.com/questions/275004/c-timer-function-to-provide-time-in-nano-seconds posted about running the function repeatedly in a loop is correct. For Linux and BSD you want to use clock_gettime . #include..
What is the proper declaration of main? http://stackoverflow.com/questions/4207134/what-is-the-proper-declaration-of-main the proper signature of the main function in C What is the correct return type and what does it mean to return a value from main.. this rule is in bold because it is very common to see incorrect programs that declare main with a return type of void this is..
Why do I get “unresolved external symbol” errors when using templates? http://stackoverflow.com/questions/456713/why-do-i-get-unresolved-external-symbol-errors-when-using-templates linking the final executible despite the object file being correctly built and included in the linking. What's happening here and.. the full code for that function to be able to build the correct function with the appropriate type. However in this case the..
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability question here is basically Do I understand the C standard correctly and is this the right way to go about things I would like.. I would like to ask for clarification confirmation and corrections on my understanding of character handling in C and thus.. or supporting any filename allowed by the system in a correct manner and such tasks are only the first tiny steps towards..
Singleton: How should it be used http://stackoverflow.com/questions/86582/singleton-how-should-it-be-used . Everybody and their father thinks they can implement one correctly and from the many interviews I have done most people can't.. can't . Also because everybody thinks they can implement a correct Singleton they abuse the Pattern and use it in situations that.. you use a Singleton How do you implement a Singleton correctly My hope for this article is that we can collect together in..
Why can't variables be declared in a switch statement? http://stackoverflow.com/questions/92396/why-cant-variables-be-declared-in-a-switch-statement further into the code skipping the initialization. The correct way to handle this is to define a scope specific to that case..
Copy a file in an sane, safe and efficient way http://stackoverflow.com/questions/10195343/copy-a-file-in-an-sane-safe-and-efficient-way is overloaded for rdbuf and doesn't convert anything. Correct Thanks Update 1 I changed the source in all samples in that..
Correct C++ code file extension? .cc vs .cpp [closed] http://stackoverflow.com/questions/1545080/correct-c-code-file-extension-cc-vs-cpp C code file extension .cc vs .cpp closed I have seen C code..
http://stackoverflow.com/questions/1756285/stack-size-estimation allow it to complete its operations without overflowing. Correct sizing of the stack is critical in some real time embedded environments..
What is the difference between an int and a long in C++? http://stackoverflow.com/questions/271076/what-is-the-difference-between-an-int-and-a-long-in-c is the difference between an int and a long in C Correct me if I am wrong int is 4 bytes with a range of values from..
Correct format specifier for double in printf http://stackoverflow.com/questions/4264127/correct-format-specifier-for-double-in-printf format specifier for double in printf What is the correct format..
constructor invocation mechanism http://stackoverflow.com/questions/4283576/constructor-invocation-mechanism
Correct way to work with vector of arrays http://stackoverflow.com/questions/4612273/correct-way-to-work-with-vector-of-arrays way to work with vector of arrays Could someone tell what is..
eof() bad practice? [duplicate] http://stackoverflow.com/questions/5837639/eof-bad-practice which are more common tests. Wrong while cin.eof cin foo Correct if cin foo if cin.eof cout read failed due to EOF n else cout..
Correct way of declaring pointer variables in C/C++ [closed] http://stackoverflow.com/questions/6990726/correct-way-of-declaring-pointer-variables-in-c-c way of declaring pointer variables in C C closed I noticed..
Why does integer overflow on x86 with GCC cause an infinite loop? http://stackoverflow.com/questions/7682477/why-does-integer-overflow-on-x86-with-gcc-cause-an-infinite-loop correctly compiles this and gives the following result Correct Output ~ Desktop g main.cpp ~ Desktop . a.out 536870912 1073741824..
http://stackoverflow.com/questions/8293426/error-invalid-initialization-of-non-const-reference-of-type-int-from-an-rval correctly compiles this and gives the following result Correct Output ~ Desktop g main.cpp ~ Desktop . a.out 536870912 1073741824..
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