How to cast the size_t to double or int C++?

My question is that I have a size_t data, but now I want to convert it to double or int. If I do something like ...

How to convert string to boolean php?

How can I convert string to boolean? $string = 'false'; $test_mode_mail = settype($string, 'boolean'); var_dump($...

Haskell: Converting Int to String?

I know you can convert a String to an number with read: Prelude> read "3" :: Int 3 Prelude> read "3" :: Doubl...

Why do we assign a parent reference to the child object in Java??

I am asking a quite simple question, but I am bit confused in this. Suppose I have a class Parent: public class Pa...

Casting Object to Object[][]?

I need to cast an object into a multidimensional array but can't figure out how to do it. The object might contain a...

Why cannot cast Integer to String in java??

I found some strange exception: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Strin...

No function matches the given name and argument types?

My function is: CREATE OR REPLACE FUNCTION FnUpdateSalegtab09 ( iacyrid Integer,iRepId Integer,iDrId Integer,ivri...

warning: return makes pointer from integer without a cast but returns integer as desired?

I'm trying to find out the proper way to return an integer from a void * function call within C. ie .. #include &...

How to cast the size_t to double or int C++?

My question is that I have a size_t data, but now I want to convert it to double or int. If I do something like ...

How to convert string to boolean php?

How can I convert string to boolean? $string = 'false'; $test_mode_mail = settype($string, 'boolean'); var_dump($...

String was not recognized as a valid DateTime “ format dd/MM/yyyy”?

I am trying to convert my string formatted value to date type with format dd/MM/yyyy. this.Text="22/11/2009"; Date...

unsigned char to int in C++?

I have a variable unsigned char that contains a value, 40 for example. I want a int variable to get that value. What...

warning: ISO C++ forbids variable length array?

I have a function that takes a pointer to a floating point array. Based on other conditions, I know that pointer is ...

Casting from `int` to `unsigned char`?

I am running the following C++ code on Coliru: #include <iostream> #include <string> int main() { ...

Haskell: Converting Int to String?

I know you can convert a String to an number with read: Prelude> read "3" :: Int 3 Prelude> read "3" :: Doubl...