Archive for the ‘How-to’ Category

What is "CLR(Common Language Runtime)"

November 3rd, 2008 admin

Common language runtime is a .NET Framework run-time environment which manages the execution of programs written in any of several supported languages. Microsoft refers to its Common Language Runtime as a “managed execution environment.

Programmers writing in any of Visual Basic, Visual C++,or C# compile their programs into an intermediate form of code called Common Intermediate Language (CIL) in a portable execution (PE) file that can then be managed and executed by the Common Language Runtime.

The CLR’s just-in-time compiler (JIT compiler) converts the CIL code into code native to the operating system.The virtual machine aspect of the CLR allows programmers to ignore many details of the specific CPU that will execute the program.

The CLR also provides other important services,such as Memory management,Thread management,Exception handling,Garbage collection,Security.

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What is PACS ?

October 31st, 2008 admin

PACS (Picture Archiving and Communication Systems) are computers or networks used for storing, retrieving, distributing and presenting of medical images (in DICOM format). Full PACS handle Dicom images from multiple modalities (like CT, MRI, US, PET…), where as Mini-PACS handle Dicom images from specific modalities. It replaces hard copy film archives and enables radiologist access remotely the patient images. It also interfaces with the HIS (Hospital Information System) and RIS (Radiologist Information System).

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What is Tracing?

October 31st, 2008 admin

Tracing is a refined process for outputting page-level information.When tracing is enabled you automatically get information on the ASP.NET Web page. Information like:

Request Details – Session Id; Request time, type, and encoding; status code, etc.
Trace Information – Page-level ASP.NET messages that you specify via Trace.Write and Trace.Warn.
Control Tree – A listing of the Web controls on theASP.NET Web page,and how they relate to one another.
Cookies Collection – A listing of all of the cookies.
Headers Collection – A listing of all of the HTTP headers.
Server Variables – A listing of all of the server variables.

Trace statements are processed and displayed only when tracing is enabled. You can control whether tracing is displayed to a page, to the trace viewer, or both.

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what is Spring Framework?

October 30th, 2008 admin

What is Spring Framework?

Spring is grate framework for development of Enterprise grade application. Spring is a light-weight framework for the development of enterprise-ready applications. Spring can be used to configure declarative transaction management, remote access to your logic using RMI or web services, mailing facilities and various options in persisting your data to a database.Spring framework can be used in modular fashion, it allows to use in parts and leave the other components which is not required by the application.

Feature of Spring Framework

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What is DICOM?

October 30th, 2008 admin

DICOM (Digital Imaging and Communications in Medicine) is a standard developed by NEMA (National Electrical Manufacturers Association) for distribution and viewing of medical images (such as CT, MRI, UltraSound, Xray…). The standard includes a file format definition and a communication protocol. The communication protocol uses TCP/IP to communicate between systems. The standard enables the integration of Modalities, Printer, PACS, Workstations, Server.

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What Is ASP.Net?

October 27th, 2008 admin

ASP.NET is a web application framework built on the common language runtime used to build dynamic web sites, web applications and XML web services.ASP.NET is the next generation ASP, but it’s not an upgraded version of ASP.

ASP.NET is a program that runs inside IIS and is a part of Microsoft’s .NET platform. ASP.NET allows you to use a full featured programming language such as C# (pronounced C-Sharp) or VB.NET to build web applications easily. An ASP.NET file has the file extension “.aspx” .

ASP.NET makes it simple to use XML for data storage, configuration and manipulation. The tools which are built into ASP.NET for working with XML are very easy to use.
Best of all, ASP.NET pages work in all browsers including Netscape, Opera, AOL, and Internet Explorer.

Visual Studio 2005 adds the productivity of Visual Basic-style development to the Web. Now you can visually design ASP.NET Web Forms using familiar drag-drop-double-click techniques, and enjoy full-fledged code support including statement completion and color-coding. VS.NET also provides integrated support for debugging and deploying ASP.NET Web applications.

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What is Server-side scripting?

October 27th, 2008 admin
Server-side scripting is a web server technology where the script runs directly on the web server to generate dynamic HTML pages.While client-side scripting runs by the viewing browser.

Server-side scripting Provide’s security since your server code cannot be viewed from a browser.With server-side scripting,you can Dynamically edit, change or add any content to a Web page and can access databases and return the results to a browser.

eg: ASP,PHP..

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