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  2. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_code

    For example, the generator polynomial used for the Version 1 QR code (21×21), when 7 error correction bytes are used, is: g ( x ) = x 7 + α 87 x 6 + α 229 x 5 + α 146 x 4 + α 149 x 3 + α 238 x 2 + α 102 x + α 21 {\displaystyle g(x)=x^{7}+\alpha ^{87}x^{6}+\alpha ^{229}x^{5}+\alpha ^{146}x^{4}+\alpha ^{149}x^{3}+\alpha ^{238}x^{2}+\alpha ...

  3. Add or disable 2-step verification for extra security - AOL Help

    help.aol.com/articles/2-step-verification...

    6. Scan the QR code using your authenticator app. 7. Click Continue. 8. Enter the code shown in your authenticator app. 9. Click Done. Sign in with 2-step for authenticator app. 1. Sign in to...

  4. MeCard (QR code) - Wikipedia

    en.wikipedia.org/wiki/MeCard_(QR_code)

    MeCard is a data file similar to vCard but used by NTT DoCoMo in Japan in QR code format for use with Cellular Phones. It is largely compatible with most QR-readers for smartphones. It is an easy way to share a contact with the most used fields.

  5. Wikipedia:WikiProject QRpedia/user guide - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    There is no QRpedia API, but you can use, say, the Google QR code API (other QR code APIs exist) to generate a code with the relevant qrwp.org short URL. for example: http://en.qrwp.org/Amsterdam. or: http://sv.qrwp.org/Vincent_van_Gogh. Note the use of underscores in the latter; and that you can use any two-letter language code ("en, "sv", etc ...

  6. QR code payment - Wikipedia

    en.wikipedia.org/wiki/QR_code_payment

    QR code payment. QR code payment is a contactless payment method where payment is performed by scanning a QR code from a mobile app. [1] This is an alternative to doing electronic funds transfer at point of sale using a payment terminal. [2]

  7. QRpedia - Wikipedia

    en.wikipedia.org/wiki/QRpedia

    QRpedia is a mobile Web -based system which uses QR codes to deliver Wikipedia articles to users, in their preferred language. [1] [2] [3] A typical use is on museum labels, linking to Wikipedia articles about the exhibited object.

  8. Comparison of code generation tools - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_code...

    Download QR code; Wikidata item; Print/export Download as PDF; Printable version ... Apeel PHP Code Generator Pro City Business Logic Windows 2001 11.03b 2011-09-04

  9. Barcode library - Wikipedia

    en.wikipedia.org/wiki/Barcode_library

    Barcode library. Barcode library or Barcode SDK is a software library that can be used to add barcode features to desktop, web, mobile or embedded applications. Barcode library presents sets of subroutines or objects which allow to create barcode images and put them on surfaces or recognize machine-encoded text / data from scanned or captured ...

  10. URL shortening - Wikipedia

    en.wikipedia.org/wiki/URL_shortening

    From September 2010 Google URL Shortener became available via a direct interface. The goo.gl service provides analytics details and a QR code generator.

  11. Bitly - Wikipedia

    en.wikipedia.org/wiki/Bitly

    Starting October 12, 2010, users could automatically generate QR codes that, when scanned with a mobile QR code reader, automatically directed users to shortened links. On May 29, 2012, Bitly announced "Bitmarks", a new search feature, with enhanced public profiles and an iPhone app. Preview short URLs

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