Edit product


Issue 17.4 ("100")

*Numbers Please! Part 3* by Markus Winter

What is a number? And just how do you tell a program to detect a number?

*TextField with Warning Sign* by Markus Winter

For his Numberfield, Markus needed a new control with a warning sign.

*Husband + Wife + Xojo* by Richard and Trisha Duke

Richard looks back on 30 years in the computer business.

*Creating Barcodes in Xojo* by Stefanie Juchmes

With the MBS barcode plugin, you can create over 80 types of barcodes.

*Curves Ahead* by Marc Zeedar

Predicting the future is tough. All we really know is that everything will change.

*Your First Web App* by Paul Budd

Never created a Web App? Now is your chance!

*PLUS*: Computed properties, WWDC, Xojo Podcast, Client Communication, WeakRefs, Best of the Web, and more!

You've purchased this product

See it in your library

View in Library
Sorry, this item is not available in your location.
Sold out, please go back and pick another option.
  • Size6.3 MB
  • Length72 pages


Issue 17.4 ("100")

Enter your info to complete your purchase


···· ···· ···· 4242
Test card



Use a different card?


pp paypal

or pay with

We do not keep any of your sensitive credit card information on file with us unless you ask us to after this purchase is complete.

or pay with

You'll be charged US$9.99.

Your purchase was successful!

We charged your card and sent you a receipt


    Gumroad Library

    Download from the App Store or text yourself a link to the app

    Good news! Since you already have a Gumroad account, it's also been added to your library.

    Powered by Gumroad