Gosh, I don't know that one.But what I know (up until now) is, those are two different things(though their result may coincide sometimes).The '&' operator is a 'bitwise operator' and returns the result of the operation between the two operands whereas the '&&' is called a logical operator and returns True of false(1 or 0) only.
You should prefer lvalue references to non-const for things you want to modify and lvalue references to const for things you can't or don't want to modify (rvalues are neatly handled here). In other words, my recommendation is that you keep doing things the way they were done before C++0x, and let others blaze the trail with rvalue reference usage. :)
Hi I'm having a problem implementing a mini shopping cart drop down in the header to show the user all the products they have in their shopping cart. It seems the only solution for this is Ajax, and I've looked all over and can't find anything that I could possibly ...
Help! I want to create a java program that finds the highest even integer among the values entered by the user. Stop asking values when a value less than 1 have been entered. If no even integer is entered, display "No Even Integer"