Technology Questions

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:

What is dual-boot system?

Answer

Dual boot system allows you to install and maintain two operating systems on a single PC. The purpose for this is to maintain compatibility between older and newer software. For example, there maybe programs that only work under Windows 98, therefore having a dual boot system between Windows 98 and another version like Windows XP is a good choice.

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Q:

What is a junction record in IDMS?

Answer

A junction record is a member record type that allows for many-to-many relationship between its two owner records.

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Q:

How does IDMS insure data integrity?

Answer

IDMS uses record locks to prevent another run-unit from updating the same record.

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Q:

Explain how to work with Permissions in PHP.

Answer

Permissions in PHP are very similar to UNIX. Each file has three types of permissions – Read, write and execute. Permissions can be changed using the change mode or CHMOD command. CHMOD is followed by 3 digit number specifying the permission type. CHMOD 777 is for Read, Write and execute.


Unnecessary permissions can be stripped off using UNMASK command.


Unmask (777);

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Subject: PHP

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Q:

What is Analysis service repository?

Answer

Every Analysis server has a repository to store metadata for the objects like cubes, data sources etc. It’s by default stored in a MS Access database which can be also migrated to a SQL Server database.

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Subject: SQL

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Q:

What is copy constructor?

Answer


Copy constructor is a constructor function with the same name as the class and used to make deep copy of objects.

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Subject: C++

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Q:

Can a source file contain more than one class declaration?

Answer Yes a single source file can contain any number of Class declarations but only one of the class can be declared as public.
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Subject: Java

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