Top "Qr-code" questions

Storing a BMP image in a QR code

I'm trying to create (or, if I've somehow missed it in my research, find) an algorithm to encode/decode a …

qr-code bmp data-storage

Two-factor authentication with Google Authenticator - manually type key instead of scanning QR code

In Google Authenticator app you can either scan a QR code or manually type a key provided by the issuer. …

qr-code two-factor-authentication one-time-password google-authenticator totp

QR Code possible data types or standards

I am developing an iOS Application for scanning QR Codes. I am successfully able to scan and get code from …

ios qr-code

Scanning QR code using Android's Mobile Vision API

I followed this tutorial on how to build an Android app that can scan QR codes. Here's the full code. …

java android qr-code android-vision

How to Create QRCode using Java (J2SE)

How to create QRcode image using normal j2se. Any APIs or classes are available to do this?

java qr-code

Analyze partial or corrupted QR codes

How can I analyze broken/partial QR codes? Normally a QR decoder will just tell you that the data can …

decode qr-code

QR Code Generator in Rails

I am looking for help to implement a QR Code generator on my site. The site is built in Ruby …

ruby-on-rails api charts qr-code

QR code scan from image file

Tried to use several libraries like ZXing, ZBar and their forks but didn't find way to scan barcode not from …

java android zxing qr-code zbar

Nodejs - How to show qr-image result in view

I use qr-image plugin for Nodejs to generate a QR code and it works pretty good. The problem is showing …

node.js qr-code ejs embedded-javascript

Decode a base45 string that will lead to a cbor compressed file

Hi im trying to read my greenpass certificate, and i know that when you scan the QR code it will …

javascript certificate qr-code zlib cbor