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Entries for 'Mark Locascio'

A Brief Tutorial on Qt’s Resource Files

One of the many tools Qt provides for you is what’s known as the “resource compiler.” The idea is that you might have some data (say, an icon or image file) that your application needs. You could place that file in a particular loca...


Using a QAbstractListModel in QML

The QAbstractListModel class provided by Qt can be used to organize data that will be presented visually as a list or table. Standardizing the interface with an abstract class like QAbstractListModel makes it easy to keep your model data completely i...


Resizing UIs with QML Layouts

Overview When I was first getting exposed to QML as a language for describing user interfaces, almost everything was easy to grasp except the concept of layouts. Their behavior never seemed natural, and I spent a lot of time fighting with them bef...


Advantages of .NET and Python for Test & Measurement Applications

Prologue In May 2019, at what would become the last NI Week ever, I led a session called “Learning to Love Text Again With Measurement Studio.” It was scheduled for 8:30 AM on the last day of the conference, so I was surprised that so ...


Measurement Studio: .NET Programming for NI Enthusiasts

Prologue In May 2019, at what would become the last NI Week ever, I led a session called “Learning to Love Text Again With Measurement Studio.” It was scheduled for 8:30 AM on the last day of the conference, so I was surprised that so ...


Using WebDAV to Transfer Files from a Linux cRIO

When using a realtime system for data acquisition or control, there is often a need to transfer files between the real time device and a PC. There are many ways to do this, but newer Linux-based NI CompactRIOs come with WebDAV and SSL support enabled...


New FPGA Tools from NI and Xilinx at NI Week 2013

There's plenty to love about the field-programmable gate array, or FPGA. It is essentially a customizable silicon chip that you can reprogram as many times as you want or need to in order to achieve specialized high-speed processing. In many case...