qr.js | qr.js : QR code generator in pure Javascript | QRCode Processing library
kandi X-RAY | qr.js Summary
kandi X-RAY | qr.js Summary
This is a fairly standalone script for producing QR code on the fly. Originally developed for my own interest, the code is fully commented and well-structured. The code is in the public domain (or to be exact, Creative Commons Zero), and you can use it for absolutely any purpose. See also a node.js module based on qr.js, packaged by Nadav Ivgi.
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Trending Discussions on qr.js
QUESTION
So this is my code guys. Im trying to get the text inside a span and storage it locally. Im using html agility pack and trying to retrieve the text using xpath but the nodes dont retrieve anything and appear as null.
This is the page im trying to get the text from: https://siat.sat.gob.mx/app/qr/faces/pages/mobile/validadorqr.jsf?D1=10&D2=1&D3=15030267855_SDS150309FC7 Specifically the "Denominación o razón social" text.
...ANSWER
Answered 2022-Mar-29 at 01:17Use this Xpath which gets the first span under the element with the following ID: ubicacionForm:j_idt10:0:j_idt11:j_idt14_data
QUESTION
I'm using the upng-js
module to read png files. In common sense the return value should be in RGBA form, so should be an Unit8Array
with size 4*width
*height
. However when I'm reading an image with size 111*111 it returns an Unit8Array
with size 49395. Here's my code:
ANSWER
Answered 2021-Oct-26 at 02:28At first, let's convert your image to RGBA8
format, then create a Uint8ClampedArray
- Input of jsQR
.
QUESTION
here is my QR component :
...ANSWER
Answered 2020-May-19 at 00:29You have to pull the constant qrUrl
to the parent component which is BooksApp
in your case.
Set it to the state and pass it down as props.
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