When not to use Design Patterns?Do not use design patterns in any of the following situations.• When the software being designed would not change with time.• When the requirements of the source code of the application are unique.If any of the above applies in the current software design, there is no need to apply design patterns in the current design and increase unnecessary complexity in the design.When to use Design Patterns?Design Patterns are particularly useful in one of the following scenarios.• When the software application would change in due course of time.• When the application contains source code that involves object creation and event notification.Benefits of Design Patterns:The following are some of the major advantages of using Design Patterns in software development.• Flexibility• Adaptability to change• ReusabilityWhat are Design Patterns?A Design Pattern essentially consists of a problem in a software design and a solution to the same. In Design Patterns each pattern…
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Guru99 recently create tutorials on JAVA that took 190 hours to create with beautifully annotated screenshots, videos and is very comprehensive.
The course covers
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New Features of Visual Studio 2008 for .NET Professionals1. LINQ Support
LINQ essentially is the composition of many standard query operators that allow you to work with data in a more intuitive way regardless.
The benefits of using LINQ are significant – Compile time checking C# language queries, and the ability to debug step by step through queries. 2. Expression Blend Support
3. Windows Presentation Foundation
WPF provides you an extensive graphic functionality you never seen these before. Visual Studio 2008 contains plenty of WPF Windows Presentation Foundation Library templates. By this a visual developer who is new to .NET, C# and VB.NET can easily develop the 2D and 3D graphic applications.
Visual Studio 2008 provides free game development library kits for games develo…
Department of Telecom has issued (.pdf) a notification stating that long awaited number portability will finally be available by September 20. The main object of number portability is to be able to retain the same number even after switching between different mobile service providers.
Mobile Number Portability gives a mobile subscriber the leverage of retaining his/her mobile phone number even after switching between networks. As per Department of Telecom - Mobile Number Portability is to be implemented in Delhi, Mumbai, Maharashtra and Gujarat Service areas of Zone I and Zone 2 includes Kolkata, Tamil Nadu, Chennai, Andhra and Karnataka of within six months of award of license by September 20, 2009, and in the rest of the country by March 20, 2010.
Syniverse Technologies have been licensed for MNP operations in Zone I while MNP Interconnection got licensed for MNP operations in Zone 2.
TRAI will decide all kinds of mobile number portability tariffs like the transaction fees from…
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