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MongoDB Query Optimization using explain

The MongoDB query optimizer processes chooses the most efficient query plan form the available indexes. Then mongoDB query system use this index to execute and return the result. You can use the db.collection.explain() or the cursor.explain() method

Setting listview and pager together in a scrollview

Putting listview and viewpager or anyother view together in Scrollview is not good habit but sometimes it's necessary to do So in that case we can use that following method to set listview height at runtime so that we can scroll listview as well as o

Encrypt a message

I have to write a function to encrypt a message given as a string input using the given encryption key. The function should output the encrypted message as a string to encryptedMessage in the argument list. The function prototype must be as follows:

Requirements for Traceability Matrix

Requirements for Traceability Matrix :- Traceability Matrix can be determined using a kind of tools or equipment, in other words requirements management software, spreadsheets and databases, or yet with hyperlinks in a word processor or tables. Trace

Inter letter spacing OR different color to words of text of UIButton , UILetter , UITextfield

Hi all, if you want to give inter letter spacing to any kind of text of button , label , textfields etc then you can follow this code. First make attributed string :- NSMutableAttributedString * title = [[NSMutableAttributedString alloc] initWithS

Using CSS in Laravel views.

CSS plays an important role in every project. In Laravel 4.x we will define our css in: public/css/custom.css Here In above path we will define our css in laravel 4.x To call a view from controller we will use the code as follow: Example: retur

What is a box model?

The box model is a box that wraps the HTML element. According to the box model concept, element of every is a rectangular box and may have width, height, padding, borders, and margins. There are few new properties in CSS, to better understand. The

How to Create procurements based on quantity ordered in openerp-9

To Create procurements based on quantity ordered in openerp-9 If the quantity is increased and new procurements are created then use this code given below in .py file def _action_procurement_create(self): precision = self.env['decimal.prec

How to change the Image orientation in Android

To change the orientation of an image write the following code: BitmapFactory.Options o2 = new BitmapFactory.Options(); o2.inSampleSize = 2; // Get the original bitmap from the filepath to which you want to change orientation // fileName ist the fi

Remove Data from doucument Directory ios

Hello friends, I was using to document directory to save images and video and after saving a lot my app use to crash due to memory warnings. So there is a way to delete content of document directory. -(void)deleteDD { { NSLog(@"IS it worki

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