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c++ Programming Glossary: aboveWhy 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 useless. Further Reading Branch_predictor . As hinted from above the culprit is this if statement if data c 128 sum data c Notice..
Why isn't sizeof for a struct equal to the sum of sizeof of each member? http://stackoverflow.com/questions/119123/why-isnt-sizeof-for-a-struct-equal-to-the-sum-of-sizeof-of-each-member the end of the structure like structure Z in the example above . IMPORTANT NOTE Both the C and C standards state that structure..
What is the difference between a definition and a declaration? http://stackoverflow.com/questions/1410563/what-is-the-difference-between-a-definition-and-a-declaration those entities. These are definitions corresponding to the above declarations int bar int g int lhs int rhs return lhs rhs double.. int double extern double f int double the same as the two above extern double f int double However it must be defined exactly..
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 get a bad surprise. if corge BAR corge else gralt The above code would expand into if corge f corge g corge else gralt which.. to act like an expression. #define BAR X f X g X The above version of bar BAR expands the above code into what follows.. BAR X f X g X The above version of bar BAR expands the above code into what follows which is syntactically correct. if corge..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison Be extremely careful using any of the suggestions above. It all depends on context. I have spent a long time tracing..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier definition of an identifier in the first group listed above the behavior is undefined. 154 The list of reserved identifiers..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three that char local_name new char strlen that.name 1 If the above statement throws the object is still in the same state as before...
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points may also contain intermediate sequence points . From the above sentence the following expressions invoke Undefined Behaviour... Behaviour. i i i is modified more than once i i same as above i 2 same as above i i 1 same as above i parsed as i i i i i.. i is modified more than once i i same as above i 2 same as above i i 1 same as above i parsed as i i i i i Undefined Behaviour..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special if and only if it satisfies the criteria from the above definitions. What do these criteria imply This does not mean.. static double d private void g Y y 'a' 10 20 20 30 In the above example y.c is initialized with 'a' y.x.i1 with 10 y.x.i2 with.. isn't it Let's leave unions out on the same grounds as above and rephrase in a bit clearer way An aggregate class is called..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords the input and then create a parse tree out of it. In C the above can yield different parse trees depending on what t means. If..
Do the parentheses after the type name make a difference with new? http://stackoverflow.com/questions/620137/do-the-parentheses-after-the-type-name-make-a-difference-with-new an object of type B would be illegal . Hence in C 03 the above example of new B is not possible when one needs the memory to..
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 a hardcopy of the C90 standard for much less money than above you may be able to find a cheap used copy of Herb Schildt 's..
how to detect region of large # of white pixels using opencv? http://stackoverflow.com/questions/10262600/how-to-detect-region-of-large-of-white-pixels-using-opencv 0 cv2.destroyAllWindows And here is the result NOTE Above method is done to preserve ORANGE in white square. That is why..
Any Solution to Unpack a Vector to Function Arguments in C++? http://stackoverflow.com/questions/11044504/any-solution-to-unpack-a-vector-to-function-arguments-in-c FuncType f std vector int args f args 0 args 1 args 3 Above I assume only int argument type. The problem is that I feel..
Questions about Hinnant's stack allocator http://stackoverflow.com/questions/11648202/questions-about-hinnants-stack-allocator But all of the knobs have reasonable defaults. Update Above I note that my stack allocator is not conforming due to the..
http://stackoverflow.com/questions/15746271/point-of-declaration-in-c the declaration when it knows enough about declarator. Above code is equal to the below one int x 101 int x x x Self assignment..
http://stackoverflow.com/questions/16268469/why-50-threads-faster-than-4 thread counts from 3 times the number of cores up to 60 . Above you can see a definite downward trend as the thread count increases...
Purpose of Unions in C and C++ http://stackoverflow.com/questions/2310483/purpose-of-unions-in-c-and-c of data ... sometimes misused for type conversion . Above all this question whose title remains unchanged since my ask..
Reference Parameters in C++: VERY basic example please http://stackoverflow.com/questions/2564873/reference-parameters-in-c-very-basic-example-please i 5 When it comes to functions consider void foo int i i 5 Above int i is a value and the argument passed is passed by value..
http://stackoverflow.com/questions/3291568/import-a-definition-of-a-function-from-a-base-class-to-implement-abstract-inte into class C in order not to have to repeat the same code. Above example is of course contrived. The reason I want implement..
Virtual Functions Object Slicing http://stackoverflow.com/questions/3479712/virtual-functions-object-slicing method table of B virtual method table of B 0 B func Above program outputs In A func . But how does without virtual table..
Reverse of a number with leading zeroes http://stackoverflow.com/questions/4166886/reverse-of-a-number-with-leading-zeroes any way to input a number with leading zeroes Even then Above logic doesn't work for such numbers. Any simple solution It..
Splitting a C++ std::string using tokens, e.g. “;” [duplicate] http://stackoverflow.com/questions/5167625/splitting-a-c-stdstring-using-tokens-e-g I have right now is string str denmark sweden india us Above str should be stored in vector as strings. how can we achieve..
C++ vim IDE. Things you'd need from it http://stackoverflow.com/questions/623605/c-vim-ide-things-youd-need-from-it the plugin there can be different project templates. Above are some reasons why I will start the job. I'd like to hear..
http://stackoverflow.com/questions/7209096/what-is-a-union of both equal to the size of the biggest. Sample Usage of Above as requested void PrintNumber Number value if value.kind Integer..
typeid() returns extra characters in g++ http://stackoverflow.com/questions/789402/typeid-returns-extra-characters-in-g typeid this .name std endl int main foo f f.say_type_name Above code prints P3foo on my ubuntu machine with g . I am not getting..
Xcode 4.3 and C++11 include paths http://stackoverflow.com/questions/9345271/xcode-4-3-and-c11-include-paths Library Frameworks framework directory End of search list. Above paths do indeed not contain the type_traits headers. A search..
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