Technology Questions

Q:

Which JavaScript objects are not accessible to web worker?

Answer

Following JavaScript objects are not accessible to web worker: 


- The window object


- The document object


- The parent object

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Subject: Web Technology

0 3156
Q:

What is a REPL in context of Node.js?

Answer

Read - Reads users input, parse the input into JavaScript data-structure and stores in memory


Eval - Evaluates the data structure


Print - Prints the result


Loop - Loops the above command until user press ctrl-c twice

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Subject: Web Technology
Job Role: Software Architect

0 3156
Q:

Who calls the main function of app during the app launch cycle?

Answer

During app launching, the system creates a main thread for the app and calls the app’s main function on that main thread. The Xcode project's default main function hands over control to the UIKit framework, which takes care of initializing the app before it is run.

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Subject: IOS

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Q:

Application_Start: This event occurs when the first user visits a page of the application.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

whenever user visits a page application Application_start event occurs

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Subject: .NET
Job Role: Software Architect

0 3151
Q:

Which among the following validators validates controls if controls contain data?

A) CompareValidator B) RangeValidator
C) RequiredFieldValidator D) None
 
Answer & Explanation Answer: C) RequiredFieldValidator

Explanation:

RequiredFieldValidator is used to validate the controls if they contain data

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Filed Under: .NET
Job Role: Software Architect

0 3150
Q:

What is the proper way of setting up an Android-powered device for app development?

Answer

The following are steps to be followed prior to actual application development in an Android-powered device:


- Declare your application as “debuggable” in your Android Manifest.


- Turn on “USB Debugging” on your device.


- Set up your system to detect your device.


 

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Q:

How do you destroy a particular or all Sessions?

Answer

<?php
session_start();
// store session data
$_SESSION['views']=1;
unset($_SESSION['views']); // If you wish to delete some session data, you can use the unset()
session_destroy(); // You can also completely destroy the session by calling the session_destroy() function. session_destroy() will reset your session and you will lose all your stored session data.
?>

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Subject: PHP

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Q:

What is TELNET?

Answer

TELNET is a client-server application that allows a user to log on to a remote machine, giving the user access to the remote system. TELNET is an abbreviation of terminal Network.

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