Todd Pinkerton

hi @arcadius , I tried your suggestion and it seems like adding more formats is not enough to get the scanner to return barcode results. You can see my changes...

Following up to my previous comment: I managed to get other non-qr-code formats working with qr-scanner. A couple issues: MacOS and iOS browsers do no support the BarcodeDetector API: https://caniuse.com/mdn-api_barcodedetector...

did you run npm install first? package.json lists the dependencies of this app, and you should use npm to install them.

hmm ok now I reproduce this. This may be related to new Express syntax: http://stackoverflow.com/questions/10191048/socket-io-js-not-found I've managed to eliminate the socket.io error with the following diff, but I still have...

I think the maintainer needs to look at this.

sample project illustrating this bug created: https://github.com/toddp/delayed_paperclip_bug_171

FYI I discovered that attachment.reprocess_without_delay! doesn't have this problem, which makes a work-around possible for my use case; but it'd be nice to have the background processing also obey whatever...