qrcodes | Detecting and Decoding QR Codes using OpenCV | QRCode Processing library
kandi X-RAY | qrcodes Summary
kandi X-RAY | qrcodes Summary
Detecting and Decoding QR Codes using OpenCV
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Trending Discussions on qrcodes
QUESTION
I have an endpoint which returns an image in response and I would like the swagger documentation to return and display the image within the framework. I've looked at the documentation here and here and tried all three examples all which have no success. Am I trying the impossible?
Here is my example
...ANSWER
Answered 2021-May-31 at 08:11Change application/png
to image/png
. Other than that, your definition is correct.
QUESTION
I want to scan GS1 Databar Barcode which is also known as RSS Expanded barcode in IOS with react-native, I am using react-native-qrcode-scanner https://github.com/moaazsidat/react-native-qrcode-scanner to scan barcodes.
...ANSWER
Answered 2021-Apr-05 at 14:57No efficient open source solutions found for scanning GS1 Databar Expanded barcodes on iOS using React-Native.
Tried Zxingify-ObjC as a native module but the scanning is poor on newer iPhones (11 Pro, 12).
Tried react-native-barcode plugin. Doesn't support GS1 Databar plugin using the camera scanner, but does support scanning GS1 Databar from static images.
Finally went for a paid SDK: Cognex.
Hope this helps someone who runs into the same problem.
QUESTION
I have many href generated dynamically with php, and i need event listener click.
it´s no very much problem, but when i´m traying to do click in one, always returned me, same data.
i have this:
...ANSWER
Answered 2021-Jan-29 at 10:53With method unbind() i get that i can only can select one href that i would like it
Solution:
QUESTION
I implemented firebase MLKit to scan QRCode, it is scanning, but it is scanning all QRcode on screen. I need to scan only QRCode that are captured on the center (has arrow ImageView on the center), how can I do it?
I tried to crop on the Analisys function (inside analysisUseCase?.setAnalyzer)
imageProxy.cropRect()
I tried to crop on the processImageProxy function. But with no success, I think that I can't crop with this
...ANSWER
Answered 2021-Jan-19 at 19:00imageProxy.cropRect() only put a metadata in the image, but not do the cropping operation. For static image, you could convert to bitmap, and crop. A better way is to filter out the results when you have all the returned barcode with the detected barcode boundingbox.
Within MLKit, we are adding supports for image cropping.
QUESTION
I'm learning how to use dart.I created a simple application that scans the qrCodes, and displays the text. My question is: How do I open the text as a link? Since the url is displayed to me as text.
Currently the application works without errors, but I would like to create a tap to open the links in the browser. This is my main.dart
...ANSWER
Answered 2020-Dec-03 at 16:59use url_launcher to open the link
eg code
QUESTION
Laravel Version 6. PHP 7.4.
I simply wants to populate my dropdown values form database table. Initially, It was returning error "variable undefined" but when I enclosed my code into if condition, my error was gone but drop-down list is empty.
Please suggest where I' m stuck.
Route.php
...ANSWER
Answered 2020-Jun-02 at 12:28First Make sure that your table have data. And then change your controller and view like this.
Controller Code
QUESTION
I'm trying to get this custom method in my Model to work:
Model:
...ANSWER
Answered 2020-Nov-03 at 11:00try laravel Appending Values To JSON
ref link https://laravel.com/docs/8.x/eloquent-serialization#appending-values-to-json
QUESTION
I am compiling handlebars templates on the backend to send as an HTML email message. Some of my messages need to contain server-generated SVGs - QRCodes.
I made a simple Handlebars helper using an existing library - qrcode-svg
. The code looks like:
ANSWER
Answered 2020-Oct-28 at 06:26The code you mention makes me think you checked this on Gmail’s desktop webmail, which does not support neither embedded SVG nor external SVG.
If your image is an essential part of your content and you want most people to see it, make sure to use a better supported format like JPG, GIF or PNG.
QUESTION
I tried to use GLide and Picasso but it seems I cant figure out and find where is the problem
Uploading an image from storage was successful and this is how I upload an image
...ANSWER
Answered 2020-Oct-07 at 07:08You are doing wrong about the URL that you get
It should have done like this
QUESTION
I found a tutorial online for creating a QR Code Scanner App for Android. It works great but the output of the scan is a toast notification as you can see in the code:
...ANSWER
Answered 2020-Sep-27 at 18:58There are multiple ways you can achieve this. First option can be Explicit Intents
For Example,
You need to pass it as an extra:
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