How to scan a qr code in React Native cli?
Is there anyone who has a tutorial or code how to read a qr code in React Native cli that actually works in the current React Native version? I tried so many tutorials and docs and nothing works. It would…
PDF file with 6-column (multi) layout – PHP
I need to create a pdf document with QR codes. I want to fit 6 QR codes in a row with border around them. But all I am getting is this: As you can see it's putting them all in…
Mongodb – How can I generate user's QR-code in node.js?
First off, I need some suggestions regarding QR code in my app. I am building a parking-management app in node.js in which there are different tables like user, booking, parking etc. Now, Users will search for parking availability and book…
Has .addSublayer() changed in Swift 5.5? – Ios swift
I'm trying to use a Swift class from hackingswift.com that reads QR codes. This code has apparently been used in the past by posters to this forum, but it doesn't work now in Swift 5.5. I get an error 'expression…
why is my png img of QR not displaying in php – PHP Versions
Fatal error: Uncaught Error: Call to undefined function ImageCreate() in C:xampphtdocsthe_baseqrlibsphpqrcodeqrimage.php:74 Stack trace: #0 C:xampphtdocsthe_baseqrlibsphpqrcodeqrimage.php(32): QRimage::image(Array, 5, 4) #1 C:xampphtdocsthe_baseqrlibsphpqrcodeqrencode.php(494): QRimage::png(Array, 'temp/184011_inf...', 5, 4, false) #2 C:xampphtdocsthe_baseqrlibsphpqrcodeqrencode.php(286): QRencode->encodePNG('tRoll no: 18401...', 'temp/184011_inf...', false) #3 C:xampphtdocsthe_baseqrindex.php(57): QRcode::png('tRoll no: 18401...', 'temp/184011_inf...', 0, 5)…