From the front end, \[InvisibleApplication] can be entered as Esc @ Esc, and is an invisible operator for @!. By an unfortunate ...
Pressing the button below will freeze my front end. An unpainted white dialog box comes up, then it completely freezes, and I need to forcibly kill the front end. CPU usage stays at zero during ...
Usually, when I define a function and then use it later, the function name is colored in black. But every once in a while, the function color is blue, both in its definition and when I use it later. ...