Virtual Destructors in C++

We cannot use the virtual keyword with constructors, but destructors can and often must be virtual. The constructor has the special job of putting an object together piece by piece, first by calling the base class constructor, then the more derived class constructors in order of inheritance. Similarly, the destructor has a special job: it must disassemble an object that may belong to a hierarchy of classes. To do this, the compiler generates code that calls all the destructors, but in the reverse order that they are called by the constructor. That is,…Read more

Android vs. iOS

Smartphone’s have become undivided part of today’s society. The traditional cell phones of less features, customizability, memory and application are changed to super speed Smartphone’s. There are 2 major operating system that are used in your Smartphone’s and tablet that are Google based android and apple based IOS. The both renowned companies hold the nerves of market. The 2 biggest important Smartphone’s are grained by Google and apple. As taking into consideration need and demands off customer the need of flexibility, applications, memory as well play store. The Apple company launched their IOS…Read more

Simple and Powerful Sound Bar System

If you are thinking about buying a full fledged powerful sound bar system, then you have found it here. Yamaha YAS – 101BL is a simple but powerful sound bar system that can meet all your needs without making you pay a good fortune. It’s a single speaker home theatre sound bar system that is backed up with an integrated powerful and high quality subwoofer. Take your entertainment experience to a whole new level with this powerful and one of the best sound bar system. Yamaha YAS – 101BL has got everything you desire – a…Read more

Online Coupons

Online coupons help to Advertise a product and provide special discounts This is an article on exchanging of documents in a financial transaction. Online coupons are basically used to provide exchange of documents in retail context. That means they provide special discounts on services and goods available in the market. They can also be used marketing of products over internet. A coupon is a document or a ticket used in exchanging of financial rebate in purchasing of a product. These Coupons are issued by the retailer or directly by the manufactures to be used…Read more

What is Deadlock?

This article gives the information of deadlock related to the operating system. Process complete for physical and logical resources in the system. A process request resources, if those are not available at that time, a process enters into the wait state. It may happen that waiting process will never change the state again, because resources requested by the process are occupied by the some other process. And this condition leads to deadlocks. Deadlocks affect the process by causing indefinite delays in resources allocation. Processing is blocked, waiting on events that could never happen.…Read more

Need of Decision Support System

           In the 1970 s number business organization began developing information systems which were significantly different from the information systems then in use. The new systems involved spending less resource both human and financial. The new system was interactive and was designed to help specific end users utilize data and models to discus and divide .not solve semi structured and unstructured problems.              These systems were called the decision support system and by the end of 1998 were extended to groups and entire organizations.…Read more

Do You Know What is Microkernel?

        This article explains the concept of microkernel in lucid language the use of microkernel and importance of microkernel. The main function of the microkernel is to provide a communication facility between the client program and the various services .Due to expansion of Unix the kernel has became large. It is very difficult to manage the kernel. In the mid’s of 1980s, researchers at Carnegie Melon University developed an operating system called Mach that modularized the kernel using the microkernel approach. This allowed kernel to be separated in different modules.…Read more

Planning Practices In Software Engineering

What are planning practices in software engineering and explain their principles? The planning activity defines a set of management and technical practices that enable software team to define road map for travel to word it is strategic goal and objective. Planning provides guideline for software team to progress very fast in the project development. There are some principles as follow:- 1)      Understand the scope of project: - if team unaware about destination then it is impossible to use roadmap. Scope provides the software team with destination as scope represent the range within which…Read more

What is Need of Software Testing

After development of software it is necessary to test the software and find errors. Debugging and testing process are two important phases. This article briefly states various testing carried out in software engineering It is virtually impossible for a software developer to foresee how much the customer will ready use program. Instructions for use  may be misinterpreted ,strange combinations of data may be regularly used ;output that seemed clear to be the tester may be unintelligible to a user in the field When the custom software is built for one customer, a series…Read more

Supply Chain Management

        This article briefly gives information of supply chain management and its various phases.  In every business there is a stream of processes of moving goods from the customer order of raw material stage, supply production, and distribution of products to the customer. All organization has supply chains of varying degrees, depending upon the size of the organization and type of product manufactured. These networks obtain supplies and components, change these materials into finished products and then distribute to customer. Managing the chain of events in this process is what…Read more