The default answer to the question "one handgun" is polymer frames and striker triggers. They carry lighter, shrug off sweat, and accept optics like they were born with a footprint. Still, range ...

Going to the database repeatedly is slow and operations-heavy. Caching stores recent/frequent data in a faster layer (memory) ...

Excel still trips over dates, ghost links, and undo history. These six fixes would save hours for everyday users.