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Windows device context is the key GDI element that refers a physical device. Device contexts are used to draw to the physical device; screen, printer, etc,. MFC provides different wrapper classes; and each class is associated with Windows device context. Through this article, we are going to discuss different MFC’s Device Context classes. CDC class […]
As we discussed in our previous Articles, Ruby is a pure object-oriented language. That means, everything is an object of a class in Ruby. Non-object things are NOT exists in Ruby. Unlike C++ where you can write the program without classes or objects; in Ruby we CAN NOT write programs without classes or objects. Hence […]
A linked list is a collection of nodes or elements that we can traverse within the list. A node or an element is a basic structure to create a list. A node contains a data part and the address to the next node, in order to form a list. Lets’ go through the steps needed […]
In our previous article “Win32 Programming – Register the window class“, we have created our GUI-based Application window and successfully displayed it on the screen. And we observed that the window was closed, immediately; because no user interaction code was added. We had a couple of questions in our previous article; we will try to […]
Ruby is a pure object-oriented programming language. That means, everything is an object in Ruby. For example, 3 is an object of Number class. If you type 3.methods; it will return all the methods defined in the Number class. Similarly, if you type 3.class; you will see the type of the class this object is […]
Basic JavaBeans are nothing but POJOs. Before discussing about JavaBeans; let’s have a quick look at POJOs. POJO (Plain Old Java Object) is a term used to indicate that it is not a special Java object (not developed using any framework or any other technology); rather it is an ordinary plain simple Java object. The term POJO […]
We have discussed JSP scripting elements and directive elements in our previous articles. In this article, we are going to discuss JSP Action elements. Action elements in JSP are another type of syntactic element; translated into Java code that performs an operation. The web server processes these action elements when processing a client’s HTTP request. […]
As we discussed in our previous article, we can use pre-defined window class names (eg: BUTTON, STATIC, etc.) or our own window class names, when calling the “CreateWindow” function. But in this article, we will learn to create our own window class and use the same while creating our own window. Step 1. In order […]
Once we installed Ruby, we will get one powerful command line interactive Ruby-programming environment called irb (Interactive Ruby). irb is a command line interpreter allowed to enter Ruby commands and instantly see the results in the environment itself. This is very useful when learning Ruby. In this article we will discuss about invoking ruby command-line interpreter, […]
We know that Java is used to develop cross-platform applications and we can use Java in almost all types of electronic devices. The standard Java-based applications are used on individual systems; we need to install the standard application on each system from where we want to use the application. Web applications are different; they will […]
