Tutorial by Topics: t

The layouts are a necessary in every Qt application. They manage the object, their position, their size, how they are resized. From Qt layout documentation: When you use a layout, you do not need to pass a parent when constructing the child widgets. The layout will automatically reparent ...

This documentation will help anyone who is looking for all the Conrtraints on a column of a table. The query can be modified to find the table/columns based on the constraint name.

The QListView widget is part of the Model/View programming mechanisms of Qt. Basically, it allows to display items stored in a Model under the form of a list. In this topic we will not get deep into the Model/View mechanisms of Qt, but rather focus on the graphical aspect of one View widget: the QLi...

As you probably know if you came from OOP school, specializing an abstract class and use it is a practice you should keep in mind when writing your code. What if you could define an abstract function and specialize it in order to create different versions of it? Thinks it as a sort of function Inhe...

This section provides an overview of what blackberry is, and why a developer might want to use it. It should also mention any large subjects within blackberry, and link out to the related topics. Since the Documentation for blackberry is new, you may need to create initial versions of those rel...

Android application package (APK) is the package file format used by the Android OS for distribution and installation of mobile apps and middleware. You can download APKs from Google Play Store, Amazon App Store, or other third party markets or websites. APKs can be sideloaded (depending on appli...

This section provides an overview of what rmarkdown is, and why a developer might want to use it. It should also mention any large subjects within rmarkdown, and link out to the related topics. Since the Documentation for rmarkdown is new, you may need to create initial versions of those relate...

Eclipse has many shortcuts to make your life easier.

This topic will cover interop between VFP and .NET.

Following are the steps to create a data pump import/export:

In this topic you will learn how to modify field attributes inherited from the PXStringList or PXIntList attributes. The demonstrated approach will make sure to not break functionality of the base Acumatica ERP product and require minimal maintenance, if any, while upgrading your customizations to a...

If you're using SAS to produce reporting of some sort, you're going to find yourself needing to copy a file at some point. I've mostly used this method for copying an excel template, and then dumping data via PROC EXPORT into the new file I've created. This is a great example I've found from Chris ...

Arduino's Liquid Crystal Library is a library for controlling LCD displays compatible the Hitachi HD44780 driver, characterised by their 16 pin interface. The 16 pins might be connected via an I2C interface. These displays contain a matrix of 5x7 pixel blocks used to display characters or small mono...

One of the challenges I faced when I first started using SAS was not only passing Macro Variable data into a PROC SQL pass-through, but having it resolve properly if it needed quotes around it. When passing a string like value or date/datetime into a PROC SQL pass-through, it most likely needs to ha...

Inserting an image in a word document using OpenXml require two actions: add the image inside the openxml and refer to the image in your Document if you only add the image to the openxml structure without refering it in the Word Document, the next time you "open / save" your document...

There are several reasons you might come across for needing email capabilities in SAS. You could be sending an email to notify someone that a process passed/failed, you could be sending an email containing Macro Variables that show how many records have been loaded at the end of your data feed, or m...

This section provides an overview of what teechart is, and why a developer might want to use it. It should also mention any large subjects within teechart, and link out to the related topics. Since the Documentation for teechart is new, you may need to create initial versions of those related t...