Technology Questions

Q:

What is Constructor?

Answer

Constructor is not a special method.


Constructor is block of code that is executed automatically whenever object of the class is created.

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Subject: Java

0 1949
Q:

What is Javascript namespacing? How and where is it used?

Answer

Using global variables in Javascript is evil and a bad practice. That being said, namespacing is used to bundle up all your functionality using a unique name. In JavaScript, a namespace is really just an object that you’ve attached all further methods, properties and objects. It promotes modularity and code reuse in the application.

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Subject: Web Technology

0 1947
Q:

What is a Manifest file?

Answer

A Manifest file is a simple text file that tells the browser what to cache and what not to cache. 


There are three sections of a Manifest file:


i.) CACHE MANIFEST - Files listed here are cached after they are downloaded for the first time. 


ii.) NETWORK - Files listed here require a connection to the server, and are never cached


iii.) FALLBACK - Files listed here specify fallback pages if a page is inaccessible

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Subject: Web Technology

0 1947
Q:

What is the difference between Unix and Windows shared hosting services?

Answer

There are two major platforms that providing hosting and servers to host on. The differences between them are as follows:


- Unix are more efficient in performing offsite and onsite, whereas windows doesn’t provide very good efficiency to work with. 


- Unix provide lower hosting cost for the website using the high bandwidth, whereas windows take more resources and have the cost higher for the storage. 


- Unix is better for the websites that are static and includes HTML and graphics, whereas Windows is used for heavy websites and having more requirements. 


- Unix supports the scripting languages like PHP and databases like MySQL and other related categories, whereas Windows supports IIS, coldfusion and big applications that take more space.

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Subject: Web Technology

0 1947
Q:

What are the benefits for organizations and IT departments by using Blackberry?

Answer

Benefits for organizations :

The BlackBerry Connect technology allows the organizations for standardizing BlackBerry platform and leverages their existing BlackBerry solution investments. The employees’ productivity and performance can also be boosted by providing them the mobile access for their emails and calendars.

Benefits for IT :

IT departments are provided with a solution that is easy to utilize, manage and deploy by using BlackBerry Connect technology. Strict requirements for security and manageability will be satisfied and several devices can be connected to the BlackBerry Platform. 

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0 1947
Q:

What is the use of overloading ? or why overloading?

Answer

By using overloading we can add new functionality to the sub class.

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Subject: Java

0 1947
Q:

What are some of the common tools that a business Analyst uses?

Answer

The common tools that can be used by a business analyst are MS Visio, MS word, MS Excel, Power point, Quality center/test director MS Project. There may be tools that are client specific also, but these will be supplied the client. 

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0 1946
Q:

What are the Advantages of PL/SQL?

Answer

- Because of the block nature, multiple statements are processed at once thereby improving performance. 


- PL/SQL handles exceptions on catching which, action can be taken. 


- PL/SQL is highly portable as it works with all procedural languages and is highly secured because of privileges.


 

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Subject: Oracle

0 1945