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 Technology Questions

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Q:

What do you mean by stack unwinding?

Answer

Stack unwinding is a process of calling all destructors for all automatic objects constructed at run time when an exception is thrown. Destructors are called between the places where the exception was thrown and where it is caught.

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Subject: C++

0 2859
Q:

Which namespaces in .NET are used for XML?

Answer

The System.xml.dll is the real physical file, which contains the XML implementation. Some of the other namespaces that allow .NET to use XML are as follows:


    


      =>  System.Xml

      =>  System.Xml.Schema

      =>  System.Xml.XPath

      => System.Xml.Xsl

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Subject: .NET

1 2857
Q:

Where SQL server user names and passwords are stored in SQL server?

Answer

They get stored in System Catalog Views sys.server_principals and sys.sql_logins.

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Subject: SQL

0 2855
Q:

Define a temp table.

Answer

In a nutshell, a temp table is a temporary storage structure. It means you can use a temp table to store data temporarily so you can manipulate and change it before it reaches its destination format.


In table_user.gender column change ‘male to female’ and ‘female to male’ in one SQL statement.


UPDATE table_user


SET gender =


CASE gender


WHEN ‘male’ THEN ‘female’


WHEN ‘female’ THEN ‘male’


ELSE gender


END

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Subject: SQL

1 2849
Q:

In HTML document the tags are

A) hidden keywords B) used to display the content
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Hypertext Markup Language (HTML) is the standard markup language for creating web pages and web applications.

HTML tags are the hidden keywords within a web page that define how your web browser must format and display the content. Most tags must have two parts, an opening and a closing part. For example, <html> is the opening tag and </html> is the closing tag.

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Filed Under: Web Technology
Job Role: IT Trainer

8 2845
Q:

What JSON framework is supported by iOS (iPhone OS) ?

Answer

  • SBJson framework is supported by iOS.

  • It is a JSON parser and generator for Objective-C (Objective-C is the primary programming language you use when writing software for OS X and iOS. It is a superset of the C-programming language and provides object-oriented capabilities and a dynamic runtime).

  • SBJson provides flexible API's and additional control that makes JSON handling easy.

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Subject: Application Development

8 2843
Q:

What is NTFS?

Answer

NTFS is short for New Technology File System. It is the standard file system that is being used by operating systems starting from Windows NT, Windows 2000, Windows XP, and even the newer versions like Vista and 7. It was originally designed to have a better performance on file storage and retrieval under the Windows NT family.

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Subject: Microsoft Interview

0 2843
Q:

onclick="window.open()":This attribute of HTML control is used to open a page in new window

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

Explanation:

To open a page in a new window, you have to use client script using onclick="window.open()" attribute of HTML control.

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Subject: .NET
Job Role: Software Architect

0 2838