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To display QR codes on a paginated list table in Views using Drupal 7, you can follow these steps:

1. Install and enable the "QR code" module in Drupal 7.
2. Create a new View or edit an existing one that displays the paginated list table you want to add QR codes to.
3. Add the field that contains the data you want to encode as a QR code to the View. For example, if you want to encode the node title, add the "Node: Title" field.
4. Add a new "Global: Custom text" field to the View by clicking on "Add" next to the fields section in the View editor. In the custom text field, add the following code:

[qrcode size=100 alt=[title]]

This code will output a QR code image that encodes the node title field with a size of 100 pixels.

1. Save the new custom text field and adjust the display settings as necessary to ensure the QR codes are visible on the paginated list table.

Note: If you are using a custom field to encode data as a QR code, you may need to use the Views PHP module to output the QR code image. In this case, you would add a new "Global: PHP" field to the View and use the following code:

<?php print qrcode_image($row->[field_name], array('size' => 100, 'alt' => $row->title)); ?>

Replace [field_name] with the name of your custom field.