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How floats are stored?

Any elementary book on computers would tell you how integers are stored in memory. However, these books conveniently skip the topic of storage of floats and doubles. Even most C books just tell us that floats are 4 bytes long whereas doubles are 8-byte entities. But the question as to what is…

http://techunlocked.com/floats-stored/

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Templates in C++

Templates is an important addition in C++ when compared with C. We would try to explain a majority of them here in a question-answer form. The questions have been suitably modified to address a general audience. What are Templates? Templates are a mechanism for generating functions and classes…

http://techunlocked.com/templates-cpp/

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Find offset of an element within a structure?

New Post has been published on http://techunlocked.com/find-offset-element-structure/

Find offset of an element within a structure?

When we are required to find offset of an element within a structure? or, how do we call the function of an outer class from a function in the inner class? (The inner class is nested in the outer class) #include <iostream.h> class outer { int i ; float f ; public :…

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How do I define a pointer to a function which returns a char pointer?

New Post has been published on http://techunlocked.com/define-pointer-function-returns-char-pointer/

How do I define a pointer to a function which returns a char pointer?

char * ( *p )( ) ; or typedef char * ( * ptrtofun )( ) ; ptrtofun p ; Here sample program which uses this definition main( ) { typedef char * ( * ptrtofun ) ( ) ; char * fun( ) ; ptrtofun fptr ; char *cptr ; fptr = fun ; cptr = (*fptr) ( ) ; …