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✕ Exercise Index

• ✦ 1. Loading and Displaying Data
• ✦ 2. Iterating Through Data
• ✦ 3. Iterating Through a List
• ✦ 4. Internal Lists
• ✦ 5. Oxford Comma
• ✦ 6. Fetching a Row of Data
• ✦ 7. Writing a Letter (letter class)
• ✦ 8. Writing a Letter (scrlttr2)
• ✦ 9. Writing a Letter (newlfm)
• ✦ 10. Mail Merging
  • ✦ Using scrlttr2 class
  • ✦ Using isodoc class
• ✦ 11. Mail Merging With Envelope Labels using newlfm.cls, envlab.sty and datatool.sty
• ✦ 12. Creating an Invoice for a Customer (isodoc.cls):
  • ✦ Easy
  • ✦ CSV
  • ✦ SQL
• ✦ 13. Creating an Invoice for a Customer (invoice.sty):
  • ✦ Easy
  • ✦ CSV
  • ✦ SQL
• ✦ 14. Custom Invoice:
  • ✦ Easy
  • ✦ CSV
  • ✦ SQL
• ✦ 15. Sample CV with Publications (currvita.sty)
• 16. List of Selected Publications (europecv.cls):
  • ✦ Basic Part
  • ✦ More Adventurous Part
• ✦ 17. Press Release
• ✦ 18. Minutes and Agendas (meetingmins.cls)
• ✦ 19. Minutes (minutes.sty)
• ✦ 20. Extending the Maximum enumerate Depth
• ✦ 21. Numbered Paragraphs
• ✦ 22. Displaying Times
• ✦ 23. Calendar for 2014
• ✦ 24. Creating an Exam Paper with the exam Class
• ✦ 25. Creating an Exam Paper with the exsheets Package
• ✦ 26. Creating an Assignment Sheet with the datatool Package
• 27. Name Labels (tickets.sty):
  • ✦ Using a CSV List
  • ✦ Using a Data Base
• ✦ 28. A QR Code
• ✦ 29. Query Form
• ✦ 30. Simple Form Class with Check Boxes
• ✦ 31. A Pie Chart using datapie.sty and SQL
• ✦ 32. A Bar Chart using bchart.sty

Exercise 28: A QR Code (Solution)

This is a solution to Exercise 28. This document requires LaTeX (DVI format) rather than PDFLaTeX. The shell commands are:

latex barcode-qr
dvips -o barcode-qr.ps barcode-qr.dvi
ps2pdf barcode-qr.ps

Alternatively use arara.

% arara: latex
% arara: dvips
% arara: ps2pdf
\documentclass{standalone}
\usepackage{pst-barcode}
\begin{document}
\begin{pspicture}(0.8in,0.8in)
\psbarcode{http://www.dickimaw-books.com/latex/admin/}{}{qrcode}
\end{pspicture}
\end{document}

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Download barcode-qr.tex or barcode-qr.pdf.

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