data defined in the global scope. This is usually best avoided because a programmer can't easily know what code manipulates it and how. It is therefore a common source of errors. Global constants are usually ok. Found on http://www.stroustrup.com/glossary.html
data defined in the global scope. This is usually best avoided because a programmer can't easily know what code manipulates it and how. It is therefore a common source of errors. Global constants are usually ok.