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test if an NSString is empty in Objective C

You can check if( [empName length]==0 || [[empName stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] length]==0) this will return 1 else 0 NSString *empName; if ([empName length]==0 || [[empName stringByTrimmingCharactersInSe

Ruby Overriding

Ruby is a object oriented programming language , it support to provide a specific implementation to the methods of subclasses that is already defined in superclasses . If there is any method in subclasses is same as the method of superclass then subc

Floyd cycle detection

Can anybody tell me the complexity of Floyd cycle detection algorithm in singly linked list with proof.

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Comparing Float with a value

Description of C Programming Technical Issue Technical Issue

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C'est l'erreur. [url=http://warik.net/f456/lofiversion/index.php?t17704.html]gaussOl [/url]

Mysql order by values within IN() function

Hello guys, Most of time we face the problem order by within IN() values . Mysql provides the function FIELD(), It will sort fetched IN() data according to requirment . The FIELD function returns the position of the first string in the remaining list

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