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c++ Programming Glossary: conversionIs there a difference in C++ between copy initialization and direct initialization? http://stackoverflow.com/questions/1051379/is-there-a-difference-in-c-between-copy-initialization-and-direct-initializati matching constructor and when needed will do any implicit conversion required. Copy initialization constructs an implicit conversion.. required. Copy initialization constructs an implicit conversion sequence It tries to convert x to an object of type T . It then.. of direct initialization with regard to possible implicit conversions While direct initialization has all constructors available..
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 may be used for additional character testing and conversion functions. Names that begin with 'LC_' followed by an uppercase..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior iostream int main char p hello n yes I know deprecated conversion p 0 'y' p 5 'w' std cout p The variable p points to the string..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast for cases where you basically want to reverse an implicit conversion with a few restrictions and additions. static_cast performs.. a check would be unnecessary. Example void func void data conversion from MyClass void is implicit MyClass c static_cast MyClass.. and also without any cast as an up cast is an implicit conversion. Regular Cast These casts are also called c style cast. A c..
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used you should attempt to use. It does things like implicit conversions between types such as int to float or pointer to void and it.. to float or pointer to void and it can also call explicit conversion functions or implicit ones . In many cases explicitly stating.. you will get the exact same value. There are a number of conversions that reinterpret_cast cannot do too. It's used primarily for..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c can implicitly be converted to T and the result of this conversion is a pointer to the first element of the array. That is anywhere.. int 8 ^ pointer_to_the_first_element int This conversion is known as array to pointer decay and it is a major source.. would fail on an array but succeed on a pointer. This conversion from array to pointer is trivial since the resulting pointer..
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 is a use of an identifier 2.11 operator function id 13.5 conversion function id 12.3.2 or template id 14.2 that denotes an entity..
What is the most efficient way to display decoded video frames in Qt? http://stackoverflow.com/questions/1242005/what-is-the-most-efficient-way-to-display-decoded-video-frames-in-qt scaling. Scaling is done on the video card if available Conversion from QImage to QPixmap which is happening in the QPainter drawImage..
How do conversion operators work in C++? http://stackoverflow.com/questions/1307876/how-do-conversion-operators-work-in-c to convert to the same class type or to a base class type. Conversion during argument passing Conversion during argument passing will.. to a base class type. Conversion during argument passing Conversion during argument passing will use the rules for copy initialization... form using the copy initialization syntax B b A called Conversion to reference In the conditional operator conversion to a reference..
Conversion constructor vs. conversion operator: precedence http://stackoverflow.com/questions/1384007/conversion-constructor-vs-conversion-operator-precedence constructor vs. conversion operator precedence Reading some.. T or is a derived class thereof are candidate functions. Conversion functions that return reference to X return lvalues of type..
32-bit to 16-bit Floating Point Conversion http://stackoverflow.com/questions/1659440/32-bit-to-16-bit-floating-point-conversion bit to 16 bit Floating Point Conversion I need a cross platform library algorithm that will convert..
Explicit Type Conversion and Multiple Simple Type Specifiers http://stackoverflow.com/questions/2144012/explicit-type-conversion-and-multiple-simple-type-specifiers Type Conversion and Multiple Simple Type Specifiers To value initialize an..
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 of pointer to pointer between derived and base classes Regarding..
The best cross platform (portable) arbitrary precision math library http://stackoverflow.com/questions/2568446/the-best-cross-platform-portable-arbitrary-precision-math-library algorithm works is good. The article Binary to Decimal Conversion in Limited Precision by Douglas W. Jones is an example of a..
http://stackoverflow.com/questions/4421706/operator-overloading Array Subscription Operators for Pointer like Types Conversion Operators Overloading new and delete Note This is meant to..
Why doesn't std::string provide implicit conversion to char*? http://stackoverflow.com/questions/492061/why-doesnt-stdstring-provide-implicit-conversion-to-char From the C Programming Language 20.3.7 emphasis mine Conversion to a C style string could have been provided by an operator..
C++ inheritance and member function pointers http://stackoverflow.com/questions/60000/c-inheritance-and-member-function-pointers F bam invalid conversion isn't defined by the standard ... Conversion in the other direction via static_cast is governed by § 5.2.9..
Conversion function for error checking considered good? http://stackoverflow.com/questions/6242296/conversion-function-for-error-checking-considered-good function for error checking considered good I'd like to have..
C++ Conversion operator for converting to function pointer http://stackoverflow.com/questions/6755673/c-conversion-operator-for-converting-to-function-pointer Conversion operator for converting to function pointer I'm been grinding..
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