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    • Deleting an Element from a Doubly Linked List

      Deleting an Element from a Doubly Linked List

      To delete an element from the list, first the pointers are set properly and then the memory occupied by the node to be deleted is deallocated (freed). Deletion in the list can take place at the following positions. At the beginning of the list At the end of the list After a given element Before

    • Overloading Binary Operators

      Overloading Binary Operators

      Binary operators can be overloaded in a similar manner as unary operators. We should note the following features of an operator function for a binary operator: It receives only one class type argument explicitly, in case of a member function. For a friend function, two class types are received as arguments. It returns a class

    • Display Messages using Flashdata in CodeIgniter

      Flashdata is a functionality in the CodeIgniter framework that lets you make required data available for the next server request. It makes use of session, but unlike normal session behavior, the passed data is available only for the next server request and is automatically cleared thereafter. Therefore, Flashdata can be very useful in displaying notifications

    • Integer Overflow

      Integer Overflow

      An integer overflow, or integer wrapping, is a potential problem in a program based upon the fact that the value that can be held in a numeric datatype is limited by the data type’s size in bytes. ANSI C uses the following minimum sizes: data type size (bytes) char 1 short 2 int 2 long

    • Setup PhoneGap for Android on Eclipse

      Setup PhoneGap for Android on Eclipse

      I recently started learning to make Android apps using PhoneGap. I use the Eclipse IDE for development. In this article, I will explain the steps to setup PhoneGap for Android using the Eclipse IDE. This tutorial is meant for Windows. I used the following components: Eclipse Classic 4.2.0 Android SDK ADT Plugin for Eclipse PhoneGap

    • Deleting an Element from a Heap

      Deleting an Element from a Heap

      Deleting an Element from the Heap Deletion always occurs at the root of the heap. If we delete the root element it creates a hole or vacant space at the root position. Because the heap must be complete, we fill the hole with the last element of the heap. Although the heap becomes complete, i.e.

    • Uninstall Java

      Uninstall Java

      Computer users sometimes need to uninstall Java, for various reasons. In case of upgrading Java, you needn’t remove the previous version of Java. Instead, you can simply run the executable of the newer Java version and the upgrade will automatically happen. However if you wish to uninstall Java, below are the methods for different platforms.

    • Deleting an Element from a Linear Linked List

      Deleting an Element from a Linear Linked List

      To delete an element from the list, first the pointers are set properly and then the memory occupied by the node to be deleted is deallocated (freed). This tutorial covers the deletion of a node from the following three positions: At the beginning of the list At the end of the list After a given

    • Doubly Linked List

      Doubly Linked List

      In a doubly linked list, also called a two-way list, each node is divided into three parts: The first part, called the previous pointer field, contains the address of the preceding element in the list. The second part contains the information of the list. The third part, called the next pointer field, contains the address

    • Constructors in Derived Classes

      A constructor plays a vital role in initializing an object. An important note, while using constructors during inheritance, is that, as long as a base class constructor does not take any arguments, the derived class need not have a constructor function. However, if a base class contains a constructor with one or more arguments, then

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