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Posted Date :
June 30, 2014
You can also find related Interview Question to
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5. CSS3 Selectors Compliant
What is the differences between delegates and interfaces?
Interfaces carry semantics, and when a programmer implements an interface, he is typically well aware of that semantics. When you try to invoke a particular method via an interface, you can be fairly certain that if you succeed, the semantics of that method is what you expect. For that reason, using interfaces is essentially doing a check for semantic correctness on some level.
Delegates, on the other hand, by only verifying the method signature, make the programmer responsible for ensuring that the semantics of the method is compatible. The semantics may cover not only the meaning of the arguments and return value (some times even the order of the arguments if they are of the same type), the ranges of the arguments, but also an invocation order when multiple methods are concerned. Hence, in a sufficiently large program there is plenty of margin to make an error when different programmers are not forced to comply with a uniform semantics (as they would be if interfaces were used).
Differences between application and session.
The session object maintains state on a per client basis whereas the application object is on a per application basis and is consistent across all client requests.
What are the differences among batches, stored procedures, and triggers?
A batch is a group of one or more SQL statements. SQL Server compiles the statements of a batch into a single executable unit, called an execution plan. The statements in the execution plan are then executed one at a time.
stored procedure :
A stored procedure is a group of SQL statements that is compiled one time and can then be executed many times.
A trigger is a special type of stored procedure that is not called directly. Trigger is fired each time row is affected by Insert, Update or Delete command.
What are the differences between web part page gallery, site gallery,Virtual server gallery and online gallery in SharePoint?
Web Part Page Gallery in SharePoint is the default gallery provided by Microsoft that comes installed with SharePoint. Site Gallery is specific to one sharepoint website site. Virtual Server gallery is specific to that virtual server and online gallery is available for download web parts from MSDN.
Explain differences between the page execution lifecycle of an ASP.NET page and an ASP.NET AJAX page?
In an asynchronous model, all the server side events occur, as they do in a synchronous model. The Microsoft AJAX Library also raises client side events. However when the page is rendered, asynchronous postback renders only the contents of the update panel, where as in a synchronous postback, the entire page is recreated and sent back to the browser.
What is JQuery?
JQuery is Java Script library or Java Script Framework which helps in how to traverse HTML documents, do some cool animations, and add Ajax interaction to any web page. It mainly helps programmer to reduce lines of code as huge code written in Java Script, can be done easily with JQuery in few lines.
What does dollar Sign ($) means in JQuery?
Dollar Sign is nothing but it's an alias for JQuery. Take a look at below jQuery code
Over here $ sign can be replaced with "jQuery " keyword.
How is body onload() function is different from document.ready() function used in jQuery?
Document.ready() function is different from body onload() function because off 2 reasons.
1. We can have more than one document.ready() function in a page where we can have only one onload function.
2. Document.ready() function is called as soon as DOM is loaded where body.onload() function is called when everything gets loaded on the page that includes DOM, images and all associated resources of the page.
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