WhatsApp QRs
Print shops now typically have a WhatsApp number (along with an email address) and ask people to send their documents to that. While that's great, it's not particularly easy to do that on both iPhones and Android.
Whatsapp only works with contacts and it's necessary to create a contact to start a chat. Thankfully, they do support a URL that opens a chat with a phone number. But that needs one to go to a browser and type "http://wa.me/
It's sad that free online QR generators appear to need a sign-up or some such nonsense to let someone download a QR. It's a few lines of python code using the qrcode package. Anyway, I wrote a small python script to take a 10-digit phone number and create a png of the QR.
Vibe-coding does work for small projects. But, I had to keep asking them to use better packages like typer, use uv for management and change settings.json to use a good directory structure for pytest.
It would be nicer if the iPhone camera looks at a phone number and offers up to open WhatsApp but that's unlikely to happen. Maybe a small iOS app that opens the camera and looks for a phone number using Apple Intelligence and ... * sighs *
Published 16 Oct, 2025.
Last edited 14 hours, 35 minutes ago.