I manage a swim club during the summer and want to build a basic (web-based, database back-end) member check-in app. The membership cards haven't been printed yet for the season, and it wouldn't be ...

I need a barcode scanner that can read barcodes from phone screens. What, specifically, do I look for to make sure at can read barcodes on screens? If you need a barcode scanner as in One you plug ...

To marvel at the choice and convenience of modern shopping, go visit your grocery-store mustard aisle. My local Whole Foods sells more than 20 different kinds: basic yellow mustard and Grey Poupon, ...

Beep. You hear it every time you buy a product in a retail store. The checkout person slides your purchase over a scanner embedded in their checkout stand, or shoots it with a handheld scanner. The ...