where is the measuring tool to place an object from edges?

I have no clue what you´re talking about.

Real-time inferences are not a current Inkscape feature.

To make a feature request (or bug report) read this carefully: https://inkscape.org/forums/beyond/how-to-report-bugs-or-request-new-features/

To move objects with precision, the Transforms dialog (Ctrl+Shift+M) can be used, or snapping to precisely placed guides can be used.