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At the time of normal operations in rails application, the objects are either updated, created or destroyed or we create our defined methods in the controller.
Rails provide us with some hooks in the object life cycle which we can invoke befor
Local notifications are used to inform the user regarding some activity in an app. In the local notification, we don’t need any server. It triggers by the app itself at the scheduled time.
In this tutorial, we will learn how to
As we know that these days every web application needs an admin panel which allows the owner or the manager of the web application to manage all the data and restrict the accessibility of certain things to certain users.
For that there is a gem of A
ASP.NET: How to use SelectedIndexChanged with DropDownList?
SelectedIndexChanged is an event which is fired whenever selected item changes in web server controls like DropDownList, Combobox etc. To handle SelectedIndexChanged event a corresponding e
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Deep Linking enable user to enter into app from Search.
For enable Deep Linking we must add intent filters for the relevant activities in application manifest. These intent filters allow deep linking to the content in any activity of application.
The automatic execution of stored programs when a specific event occurs are triggers. Triggers are database object binded to a table and are called implicitly. They find their usage while accessing and checking data before and after DDL and DML queri
Hi Reader's,
Welcome to FindNerd,today we are going to discuss how to use Validation in CakePHP using Ajax in 2.4.1 version?
Validation is very important feature for user input in a web application. By validation we can make sure that the data in
Broadcast Receivers are used to respond to the broadcast messages that are generated from application or from system.
The messages/ broadcasts that are caught or responded by our Broadcast receivers are sometimes called intents or events.
&nb
A lot many times when creating web applications it so happens that we need to accept numeric vales i.e. which accepts positive, negative numbers , whole numbers or decimal numbers. Its easy, show a message on the page that the particular field needs
