Questions tagged as 'qrcode'

Tagged questions
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PHP QRcode how to do to make it bigger

I am generating a QRcode through the phpqrcode lib. I know it has the sizes L , H and others. But, are there ways to make the image larger using other settings? For even in%% is small for my need. Here's my code require_...
asked by 14.11.2017 / 12:25
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QR Code reader ZXING in HTML - WEBQR

I'm trying to implement the reader in my web application just like on the "webqr.com" website, I've copied the entire site from index.html to the scripts (2). until that's fine I access the server through localhost and it works as in the image b...
asked by 27.04.2017 / 14:15
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Totalcross: Generation of QR Code

Is it possible to generate QR Code using TotalCross code? If so, how should I implement it? Which class / interface should I use? If not, is there any provision for this feature?     
asked by 15.09.2017 / 20:35
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rqrcode_png rails controller - Passing by parameter the string contained in the bank

How do I pass the value that is in the field "codigo" of table "mesas" to the space below "VALOR_STRING_BANCO" ? How do I pass the value that is in the "codigo" field of the "mesas" table to the space below "...
asked by 21.09.2016 / 04:45
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Extract data from a QR Code after reading

I have an app in the Play Store developed for a non-profit NGO, where tax coupons are donated and stored in an Excel worksheet each record, where it contains: CNPJ Date of Purchase COO Note value With QR code being a trend for these...
asked by 23.10.2015 / 21:08
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QrCode appears generated as incorrect image

I started looking for libraries to generate qr codes and I came across this: link , it seemed easy to apply and so I opted for it (and for being in php). The problem is that when I generate the code the answer I get is this: Anyonewhoisalre...
asked by 10.08.2018 / 16:39
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Maximum size of QRcode

I'm implementing a QRcodes reader and generator in a project and it came to my mind, how long can a QRcode store? Would I get something around 3 pages of text?     
asked by 10.05.2018 / 22:56
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get the result of a function and send via post in another

I'm using the instascan lib to read qr code. but I am not able to send the result via post with ajax. Can someone help? The code I'm using is below:   qr sacanner       <h1>qr scanner</h1> <video id="preview"></v...
asked by 29.11.2018 / 15:48
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ionic qr code Value

How do I get more than one value from the QR Code? In my html I have: <ion-card *ngIf="createdCode"> <ngx-qrcode [qrc-value]="createdCode"></ngx-qrcode> <ion-card-content> <p>Valor: {{ createdCode }}</p...
asked by 27.11.2018 / 12:30
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iPhone does not read accents correctly in QR CODE that works normally on Android

I'm generating a QR code from a VCARD using the PHP QR Code ( link ) and works perfectly (taking a problem saving SVG which I will research better first.) Anyway, at the moment the problem is that the same QR code works correctly on Android a...
asked by 07.11.2018 / 20:37