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# how to realize a QRcode reader APP
> QRcode & OAuth 2.0
https://www.cnblogs.com/xgqfrms/p/11474426.html
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http://boot.ren/2019/01/18/%E6%89%AB%E7%A0%81%E7%99%BB%E5%BD%95%E5%8E%9F%E7%…
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after 2 days i start program some website scanner with camera android and then this day scanner reader for no reason cant read QRCode anymore, pls fix it :)
sintax :
```js
function onScanSucc…
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Hi @tablatronix
it would be nice if you could add networks by qrcode scanner , in multiple scenarios that I've witnessed the end user is not tech savvy and may not even know his wifi password , what…
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```
$ php8.1 -f my-php-qrcode-reader.php
PHP Fatal error: Uncaught Error: Call to undefined function Zxing\imagecreatefromstring() in /home/user/Development/my-php-qrcode-reader/vendor/khanamiryan…
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I'm trying to use the library for a website of mine, in the desktop version it doesn't seem to give errors, as for the mobile version (I have a Samsung Galaxy S10) it keeps showing me the camera with …
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E/flutter (12364): [ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: MissingPluginException(No implementation found for method readQRCode on channel qrcode_reader)
E/flutter (12364): …
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**Describe the bug**
Based on the sample code provided in this issue https://github.com/gruhn/vue-qrcode-reader/issues/354 by @Sec-ant, providing the URL for a self-hosted file should work.
I've a…
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###Bug Reports
I am using zxing module of python to decode QR images like attached below. But it returns empty string.
![image](https://user-images.githubusercontent.com/2772109/235306398-552ee662…
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Hi. I use Zxing.Net together with OpenCV.V4. Convert from pdf file to Bitmap, and then from Bitmap to Mat and submit Mat to reader. I'm trying to decode the QR_CODE, but the reader only finds UPC_E. …
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Using your demo and any bard code (all but the QR) for version 2.0.13 getting this error
No MultiFormat Readers were able to detect the code.
https://blog.minhazav.dev/QR-and-barcode-scanner-usi…