Sawaal

 Technology Questions

Popular Latest Rated
Q:

Explain Superglobal variables in PHP .

Answer

To access the global data which is originating externally, the super globals are used. The superglobals are available as arrays. These superglobals represents the data from URLs, HTML forms, cookies, sessions and also the web server. For this purpose, $HTTP_GET_VARS, $HTTP_POST_VARS are used. The super globals are pretty good enough to be used in functions. The following are the list of super globals.


$_GET, $_POST, $_COOKIE;$_REQUEST, $_SERVER, $_SESSION, $_ENV, $_FILE


Another PHP Superglobal, called $GLOBALS; is available for persisting every variable with global scope.

Report Error

View answer Workspace Report Error Discuss

Subject: PHP

0 4681
Q:

What is AFIEDT.BUF?

Answer

When any file is attempted to edit without any arguments (example ed or edit), the last SQL command is saved in AFIEDT.BUF, It acts like a default buffer file for edit commands.

Report Error

View answer Workspace Report Error Discuss

Subject: Oracle

0 4676
Q:

What is the difference between Notify URL and Return URL?

Answer

Notify URL and Return URL is used in Paypal Payment Gateway integration. Notify URL is used by PayPal to post information about the transaction. Return URL is used by the browser; A url where the user needs to be redirected on completion of the payment process.

Report Error

View answer Workspace Report Error Discuss

Subject: PHP

15 4676
Q:

How would you resolve an ASRA abend?

Answer

In COBOL II start with CEBR, and get the offset/instruction.

Report Error

View answer Workspace Report Error Discuss

Subject: Mainframe Interview

0 4656
Q:

How can you make sure the web application is fit for release ?

Answer


1. We can operate majority of test cases, but importantly we can make use testing techniques such as Pair-wise testing to reduce combinations, and/or model based testing to plan user journeys to ensure major functionality of web application works or not.


2. We can also use analytics to get insight into what users do on the website, which page is most popular and which feature is most used by the users.



Report Error

View answer Workspace Report Error Discuss

Subject: Web Technology

9 4633
Q:

Why interface data is public?

Answer

to access non-public data outside class getter methods be defined but we cannot define a  method inside interface we can declared a method inside interface.

Report Error

View answer Workspace Report Error Discuss

Subject: Java

0 4628
Q:

What operator tests column for the absence of data?

A) NOT operator B) IS NULL operator
C) EXISTS operator D) All of the above
 
Answer & Explanation Answer: B) IS NULL operator

Explanation:

SELECT "column_name"


FROM "table_name"


WHERE "column_name" IS NULL.

Report Error

View Answer Report Error Discuss

Filed Under: SQL
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Database Administration , IT Trainer , Project Manager

1 4598
Q:

Pick out the correct method in the c++ standard library algorithm.

A) mismatch B) maximum
C) minimum D) None of these
 
Answer & Explanation Answer: A) mismatch

Explanation:

It is a method in the search opertion in standard library algorithms.

Report Error

View Answer Report Error Discuss

Filed Under: C++

2 4596