how-stuff-works

How does Google Drawing work?

just wondering what is behind the major functionalities used in Google Drawing. Does it use jQuery? ...

What does this Perl code do?

In cPanel, they tell you to insert this code into the beginning of Perl files. I'm not sure what it does. I've tried code with and without this in the beginning of the file and it seems to all work the same. I haven't tested that out with cron running the code, but only as myself. By "tested it out", I mean using print lines, databas...

C++ metaprogramming question

Hello! I have the following problem: Suppose I have some basic counter class Counter. And suppose we also have some sets of classes, that can be counted. Let's name some of them class CountedA and class CountedB. Now, every class, which can be counted (such as CountedA and CountedB) has the following statically declared parts: one enu...