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Sep 29 2009 2:26PM
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Debugging Tools for PHP Programmers
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Typically, there are two main ways of debugging server-side code: you can utilize an Integrated Development Environment (IDE) with a built-in debugger or log and perform your debugging processes in a web browser.
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Posted by: Gopal Chowdary Sep 29 2009 2:26PM
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Sep 30 2008 3:08PM
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Maintain Your SQL Server with High Performance.
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It is not uncommon to experience the occasional slow down of a SQL Server database. A poorly designed database or a system that is improperly configured for the workload are but several of many possible causes of this type of performance problem. Administrators need to proactively prevent or minimize problems and, when they occur, diagnose the cause and take corrective actions to fix the problem. This article provides step-by-step guidelines for diagnosing and troubleshooting common performance problems by using publicly available tools such as SQL Server Profiler, System Monitor, and the new Dynamic Management Views in SQL Server 2005.
Methodology:
There can be many reasons for a slowdown in SQL Server. We should use the following three key symptoms to start diagnosing problems
Resource bottlenecks: A memory bottleneck can lead to excessive paging that ultimately impacts performance.
Tempdb bottlenecks: Since there is only one tempdb for each SQL Server instance, this can be a performance and a disk space bottleneck. A misbehaving application can overload tempdb both in terms of excessive DDL/DML operations and in space. This can cause unrelated applications running on the server to slow down or fail.
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Posted by: JG Kiran Kanth Sep 30 2008 3:08PM
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Sep 30 2008 3:01PM
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“Refer one,Refer All”- era of Extreme Referrals.
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In today’s world, asking for referrals from clients is a creative, common and useful practice. It's always helpful to apply these referral techniques to the consulting business.
It’s a fact that, prospective clients are three times more likely to buy from someone if they have a strong referral to that person. And yet, many consultants struggle with or feel awkward about asking for referrals.
There is always a better way out, Building a business using referrals should be a no-brainer. After all, what could be better than having a satisfied client list eloquent about you to different clients? Granted, a referral doesn't guarantee you anything, but at least it gives you a strong calling card.
Even knowing the power of referrals, Why are so many consultants/Employees reluctant to ask for them?
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Continue reading " “Refer one,Refer All”- era of Extreme Referrals." >> |
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Posted by: Patrick Francis Sep 30 2008 3:01PM
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Sep 17 2008 11:07AM
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Assortment of a Surprisingly Rich and Fast Framework to make Java Applications “Powerful”
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Many Java vendors and open-source projects focus on complex tools, built to solve complex problems, often under the umbrella of "enterprise" Java development. Witness the explosion of complexity in J2EE, EJB, and XML. True, there's often a tradeoff between simplicity and power, but some key architects in the Java community are working to swing the pendulum from monolithic frameworks back toward cleaner, simpler ones. A number of new projects are helping to buck the trend toward complexity, choosing instead to build lighter, focused frameworks that an power simpler applications.
In this article, we'll examine a few frameworks, and look at the basic principles that they use to embrace simplicity. We'll look at a lightweight container and a persistence framework. Then, we'll look at how the larger J2EE vendors are supporting the paradigm shift.
A few notable projects use very little of J2EE as a foundation. They are basically attempting to build a simplified notion of what it means to be a persistent object, or a container. Lightweight containers like Pico and Spring provide fewer services, but with a much less invasive architecture than EJB. Hibernate, a persistence framework, provides a persistence alternative for EJB container managed persistence (CMP).
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Posted by: S Abdul Razack Sep 17 2008 11:07AM
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Sep 2 2008 6:56PM
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OOPS in PHP: Object Enhancements, Introduction of Advance Features in PHP.
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PHP makes outstanding support for objects. As Zend claims to have addressed the performance problems involved with object creation in previous versions of PHP released , this is a fact that in itself should encourage developers to use object-based PHP. New PHP Versions offers enhancements in a few key areas including object autoloading, visibility ,destructors, class constants, static methods, type hinting, reflection , interfaces, cloning and several magic methods.
Auto loading is a new advance feature implemented in PHP newer versions that provides a way for Programmers to make sure dependencies for a class are in place before using it. If you attempt to instantiate a class that has not yet implement or written ,PHP5 will call the __autoload() function as a last attempt to load the class before throwing an error. Since most Programmer put one class per file, and many classes often depend on another class by using the concept inheritance or encapsulation, Function __autoload() allows you to make sure all the necessary class files are included. While PHP Older versions had constructors, PHP newer versions offers a new features: destructors. Destructors are called when an object or instance is destroyed or all references to class it have been removed. Destructors are implemented in classes by use of the __destruct function. The __construct function has also been introduced and takes precedence over the old-style constructor function. The old style still works, but it is recommended that __construct is used as it takes higher priority than older version.
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Continue reading " OOPS in PHP: Object Enhancements, Introduction of " >> |
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Posted by: D.Kishore Kumar Sep 2 2008 6:56PM
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