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Creating a NSDictionary Object With Multiple Objects and Keys

Tuesday, April 30th, 2013 at 10:27 am

NSArray *keyArray; // Key Array

NSArray *objectArray; // Objects Array

keyArray = [NSArray arrayWithObjects:@"key1",@"key2",nil]; // Populating Keys array

objectArray = [NSArray arrayWithObjects:@"object1",@"object2",nil]; // Populating Objects array

NSDictionary *myDictionaryObject = [NSDictionary dictionaryWithObjects: objectArray forKeys: keyArray]; // Creating the dictionary object with objects the corresponding keys.

NSArray *keyArray; // Key Array

NSArray *objectArray; // Objects Array

keyArray = [NSArray arrayWithObjects:@"key1",@"key2",nil]; // Populating Keys array

objectArray = [NSArray arrayWithObjects:@"object1",@"object2",nil]; // Populating Objects array

NSDictionary *myDictionaryObject = [NSDictionary dictionaryWithObjects: objectArray forKeys: keyArray]; // Creating the dictionary object with objects the corresponding keys.

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Instance Methods and Class Methods in Xcode

Friday, July 20th, 2012 at 5:46 pm

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Consider a class mySampleClass in which we are implementing instance method and class method

The instance method is implemented as follows :

// Declaration

-(void)myInstanceMethod;

// Definition

-(void)myInstanceMethod {

// Method content

}

// Method Call

[self myInstanceMethod];

// Definition

-(void)myClassMethod {

// Method content

}

// Method Call

[mySampleClass myClassMethod];

What is Ext.apply?

Thursday, January 26th, 2012 at 10:05 pm

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Ext.apply is a Sencha function to copy objects.
Ext.apply(, );

1 2	Ext.apply is a Sencha function to copy objects. Ext.apply(, );

You can have multiple source object names separated by comma.

Why do we need Ext.apply? Isn’t = enough? No, its not. Not only because you can merge and copy multiple sources to the destination there is also the big reason that, just a simple ‘=’ copies only the reference of the source object to the destination. Which means that if, you make any change to the destination object after copy it will affect the source copy too!

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Inserting Objects to Array Dynamically in Corona – Lua

Friday, September 2nd, 2011 at 4:42 pm

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local sampleArray = {}    -- initializing empty array

sampleArray[#sampleArray+1]=objecttoadd   -- Adding the object to the next index of last index of the array

#sampleArray will be returning the length of sampleArray