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How to resolve the error "The server response was: 5.5.1 Authentication Required"

Sometime the email is sending on local machine but not on the server machine it gives the error "The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required" To resolve th

How to register your app on facebook

Please follow these simple step to register your app on facebook Open Developer account from your Facebook. Select "Create App" you'll be directed to a page where number of options will be available at the top bar. One can reach there by just click

How to set MKMapView region from CLLocation array

Follow the below code to set region from CLLocation arrayHere routess is an array containing CLLocation. -(void) setRegionForMap { MKCoordinateRegion region; CLLocationDegrees maxLat = -90; CLLocationDegrees maxLon = -180; CLLocati

How to calculate distance from CLLocationCoordinate2D

Using the following code we can calculate the distance between two CLLocationCoordinate2D. #define MILE_FROM_MERTER(dist) (dist*0.00062137119) +(double)calculateDistance:(CLLocationCoordinate2D) f to: (CLLocationCoordinate2D) t { // CLLocation

V-model and Phases of V-model

V-model stands for Verification and Validation model. In this model testing of the product is planned in parallel with a corresponding phase of development. There are various phases of the V-model. Phases of the V-model are as follows: Requirement

Protocols it's usage and Types

Protocols are powerful functionality provided by iOS. These are set of behavior that is expected from an object to behave/respond in a given situation. Protocols are set of methods and properties. One can define protocol as: @protocol protocolName

Self Or Super Keywords in iPhone

The Self and Super Keyword in IOS are important and one should know why and how they are used in objective c. One should always access the instance variables directly from or within an initialization method. Because at the time when property is set o

Self Or Super Keywords in iPhone

The Self and Super Keyword in IOS are important and one should know why and how they are used in objective c. One should always access the instance variables directly from or within an initialization method. Because at the time when property is set o

How to resolve error - Operation is not valid due to the current state of the object

Hi all, While working with large data bind on a page and whenever an event "page.postback" is done, an exception "Operation is not valid due to the current state of the object." occurs due to the very large number of form fields. The stack trace is:

How to configure database in Codeigniter

Hello Readers, In order to create any web application using Codeigniter framework or any other PHP framework we need to configure database . We have the database file inside application folder of a Codeigniter framework , inside application folder

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