New Grumpy Mentat

A few days ago I encountered a little problem with a Webservice that I was asked to interact with. The client in question was on other country, and the permissions on the VPN were not granted already. My normal workflow dealing with WS is first asking for the WSDL for mocking and building the artifacts. So I launched SoapUI and started working on the integration. All worked just well with the mocks, and for a little moment I thought that all will be joy and bliss. The artifacts the JAX Import that I used gave me the following model: Having worked with JAX-WS as a client and server, and only as client with the server being Axis2 for example, I thought that because of the signature of the Webservice Interface I was dealing with a JAX server on the other end. But when the real connection was made (without Mocks) the attribute on CustomerSubscriptionInfo was comming  null  from the server . I tried a few more times with different input data but was the same. The person...

Hi! I've been wanting to do this post for a while. For many years I've been working from time to time with various printing issues, mainly in the context of Kiosk/Receipt printing. The most common printer that I've used was an Epson Thermal Printer, such as the TM-T88III or more recently TM-T88V (which my article will treat). One of the various requirements from my clients had been putting their logo on their receipts, and although you can upload the logo to the printer with a tool and tell the printer to print logo #1; this way can be very rigid and hard to maintain (changing the logo would require for me to go printer by printer uploading the new logo). A better way is to raster the image pixel by pixel using ESC/POS, the native command language of the printer. Being a thermal printer, there is no concept of color, nor gray scale; either the pixel is burned or not burned, black or white. This is a very important concept to have in mind. ESC/POS is Epson's...