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c++ Programming Glossary: doubleWhy 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 for unsigned c 0 c arraySize c if data c 128 sum data c double elapsedTime static_cast double clock start CLOCKS_PER_SEC std.. if data c 128 sum data c double elapsedTime static_cast double clock start CLOCKS_PER_SEC std cout elapsedTime std endl std..
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 These are declarations extern int bar extern int g int int double f int double extern can be omitted for function declarations.. extern int bar extern int g int int double f int double extern can be omitted for function declarations class foo no.. declarations int bar int g int lhs int rhs return lhs rhs double f int i double d return i d class foo A definition can be used..
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 letter identifiers containing adjacent underscores or double underscore Reserved in the global namespaces identifiers beginning.. reserved to the implementation Each name that contains a double underscore _ _ or begins with an underscore followed by an uppercase.. for corresponding functions that operate on float and long double arguments respectively. Names that begin with 'SIG' followed..
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 int a 3 1 2 3 When an object of scalar type bool int char double pointers etc. is value initialized it means it is initialized.. is initialized with 0 for that type false for bool 0.0 for double etc. . When an object of class type with a user declared default.. i2 struct Y char c X x int i 2 float f protected static double d private void g Y y 'a' 10 20 20 30 In the above example y.c..
How can I efficiently select a Standard Library container in C++11? http://stackoverflow.com/questions/10699265/how-can-i-efficiently-select-a-standard-library-container-in-c11 functions. Otherwise jump to question 4. Question 4 Double ended If you wish to be able to remove items from both the front..
GDI Acceleration In Windows 7 / Drawing To Memory Bitmap http://stackoverflow.com/questions/10840464/gdi-acceleration-in-windows-7-drawing-to-memory-bitmap in OnSize . Hopefully that gives you some ideas anyway. Double buffering is definitely the way to go for speed and non flickering..
Very poor boost::lexical_cast performance http://stackoverflow.com/questions/1250795/very-poor-boostlexical-cast-performance c is as slow as python and 6 times slower than java. Double casting c std string s for int i 0 i 10000000 i s boost lexical_cast.. s new String for int i 0 i 10000000 i double d i 1.0 s new Double d .toString python for i in xrange 1 10000000 d i 1.0 s str..
http://stackoverflow.com/questions/148373/restrict-template-function 1.5 double_values.push_back 2.1 cout Double sum double_values return 0 c templates share improve this..
error with define macro definition http://stackoverflow.com/questions/17038558/error-with-define-macro-definition in advance #include iostream using namespace std #define Double X X X int main int i 10 int i cout Enter the i values endl cin.. 10 int i cout Enter the i values endl cin i cout Values is Double i endl return 0 c share improve this question Double i.. Double i endl return 0 c share improve this question Double i will expand to i i . In this expression i is modified twice..
Reduce flicker with GDI+ and C++ http://stackoverflow.com/questions/197948/reduce-flicker-with-gdi-and-c by preventing drawing after your WM_PAINT method instead. Double buffered drawing helps to avoid tearing and potentially overdraw..
http://stackoverflow.com/questions/248693/double-negation-in-c-code Negation in C code I just came onto a project with a pretty..
Conversion of pointer-to-pointer between derived and base classes? http://stackoverflow.com/questions/2532422/conversion-of-pointer-to-pointer-between-derived-and-base-classes using child as base is allowed Child c new Child Base b c Double pointers apparently can't use Child as Base Child cc c Base..
Is using double faster than float? http://stackoverflow.com/questions/3426165/is-using-double-faster-than-float using double faster than float Double values store higher precision and are double the size of a float..
Double dispatch/multimethods in C++ http://stackoverflow.com/questions/429849/double-dispatch-multimethods-in-c dispatch multimethods in C I have a question on C double dispatch...
C++ Double Address Operator? (&&) http://stackoverflow.com/questions/4549151/c-double-address-operator Double Address Operator I am reading STL source codes and I have no..
Distinguish between single and double click events in Qt http://stackoverflow.com/questions/4627347/distinguish-between-single-and-double-click-events-in-qt this question You can find answer in the thread titled Double Click Capturing on QtCentre forum You could have a timer. Start..
Double-Checked Lock Singleton in C++11 http://stackoverflow.com/questions/6086912/double-checked-lock-singleton-in-c11 Checked Lock Singleton in C 11 Is the following singleton implementation..
Double hash before parameter in function call http://stackoverflow.com/questions/7880058/double-hash-before-parameter-in-function-call hash before parameter in function call I see this line in C..
I don't want my Excel Add-In to return an array (instead I need a UDF to change other cells) http://stackoverflow.com/questions/8520732/i-dont-want-my-excel-add-in-to-return-an-array-instead-i-need-a-udf-to-change As Date Public Function AddTwoNumbers _ ByVal Value1 As Double _ ByVal Value2 As Double _ As Double ' This is a UDF that returns.. AddTwoNumbers _ ByVal Value1 As Double _ ByVal Value2 As Double _ As Double ' This is a UDF that returns the sum of two numbers.. _ ByVal Value1 As Double _ ByVal Value2 As Double _ As Double ' This is a UDF that returns the sum of two numbers and starts..
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