Interview Questions

Controller object UIApplication is used without subclassing to manage the application event loop.

It coordinates other high-level app behaviors. 

It works along with the app delegate object which contains app-level logic.

Plug and Play is a technology wherein hardware components that are installed on PCs using Microsoft operating system are immediately recognized and made usable. This means that the drivers necessary to make it work are already available on the operating system package.

A powerful tool to import and validate transaction data from other financial systems and create invoices , debit memos , credit memos and on-account credits

Setup steps:

1. Define the line ordering rules

2. Define the grouping rules - attache the line ordering rules to the grouping rules

It is the allowance paid to an employee who is working on a special assignment.  This amount is completely exclusive of his Compensation plan.  These are given in scenerio's like, when the employee went for On Job Training or an Employee sent for short term Deputation to survive his expenses in the new location.

include()
The include() function takes all the content in a specified file and includes it in the current file. If an error occurs, the include() function generates a warning, but the script will continue execution.

include_once()
File will not be included more than once. If we want to include a file once only and further calling of the file will be ignored then we have to use the PHP function include_once().

require()
The require() function is identical to include(), except that it handles errors differently. The require() generates a fatal error, and the script will stop.

require_once()
The required file is called only once when a page is open and further calling of the file will be ignored.

The purpose of garbage collection is to identify and discard those objects that are no longer needed by the application, in order for the resources to be reclaimed and reused.