Tutorial by Topics: d

Like most OCaml values, records are immutable by default. However, since OCaml also handles imperative programming, it provides a way to make individual fields mutable. Mutable fields can be modified in-place by assignment, rather than having to resort to usual functional techniques, such as functio...

It's useful to have a T-SQL script for creating and configuring a new database and user for Alfresco Installation purposes. It's boring and time-consuming to jump around many pages on MSDN. I provide the script hereafter: Guidelines for preparing Alfresco Instalation to a SQLServer database,...

We can utilize CI's shopping cart library when we are building a e-commerce site. we can setup add to cart, update cart items, delete cart items and even clear the cart functionalities using this library. From CodeIgniter Doc : The Cart Class permits items to be added to a session that stays active...

Virtually all apps are using asynchronous functions to keep the code from blocking the main thread.

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...

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...

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...

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...

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...

Window subclassing is a way to hook up into standard window procedure and to modify or extend its default behavior. An application subclasses a window by replacing the the window's original window procedure with a new window procedure. This new window procedure receives any messages sent or posted t...

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...