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How dlls save space in RAM?

Posted By :Vinodh     Posted Date :September 21, 2011    Points :40   Category :.NET Framework 
The dll does not get loaded into RAM memory together with the main program, so space is saved in RAM, When a dll file is called, then it is loaded.

You can also find related Interview Question to How dlls save space in RAM?  below: 

Name of the command to view the current amount of free (unallocated) space in the database in SQL Server?

Name of command is :sp_spaceused

This command displays the database_size in MB, and it's also shows unallocated space for the database. (More...)

You are designing a GUI application with a window and several widgets on it. The user then resizes the app window and sees a lot of grey space, while the widgets stay in place. What's the problem?

One should use anchoring for correct resizing. Otherwise the default property of a widget on a form is top-left, so it stays at the same location when resized. (More...)

You are designing a single person shooter game application. The player can choose between multiple guns.
1) Pistol with 5 bullets
2) Shotgun with 100 bullets
3) Grenade Launcher with 20 grenades

Each gun will have different sound effects and graphics.

Pressing Ctrl+Space should rotate between guns.
Which design pattern should you employ for this?

Use Strategy Pattern.

Explanation: Each gun having different performance and graphics.
So this can be accomodated in the algorithm.

Strategy pattern is best suited for shifting the guns/algorithms

There will be a IGun interface implemented by 3 classes
Pistol : IGun
Shotgun : IGun
GrenadeLauncher : IGun (More...)

On a routine monitoring of the data files and transaction log, you notice that the transaction log is extremely close to being full. What will happen if the log fills? What steps can you take to avoid running out of transaction log space?

If the transaction log fills, you are unable to modify the data in the database until the log is archived or expanded. To avoid a full transaction log, you can monitor the log space regularly, expand the log whenever necessary, set the log to grow automatically, and create an alert to notify you when the available log space falls below a specified level (alerts are not covered in this training kit). Scheduling or performing frequent transaction log dumps is the best way to reclaim available space in the transaction log.

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