Technology Questions

Q:

What command would you type in at a command prompt to view the IP address of the remote computer?

Answer

Ping


Netstat

Report Error

View answer Workspace Report Error Discuss

0 2419
Q:

What is difference between methods and blocks?

Answer

Method contains name, parameters, return type and executable body. But block does not contains name, parameters, return type.It contains only executable body.


Methods are executed by method call statements. Blocks are executed automatically with class loading and with object creation.

Report Error

View answer Workspace Report Error Discuss

Subject: Java

0 2415
Q:

What is a BI dashboard?

Answer

Dashboards are real-time business intelligence interfaces. They allow a huge amount of data to be read in a single interface in order to analyse the success or failure of the business or project in question

Report Error

View answer Workspace Report Error Discuss

0 2412
Q:

What are the core BI tools that professionals work with? Which ones have you used?

Answer

SSIS, SSAS and SSRS are the most important reporting systems that BI professionals work with. On a detailed level, I have worked with data mining, master data management, data profiling and data cleansing and analysis.

Report Error

View answer Workspace Report Error Discuss

0 2412
Q:

What is the difference between Business Analyst & System Analyst?

Answer

The business analyst must understand IT and also has to understand the stakeholder’s needs. 


A systems analyst has the ability to look at a program or utility and see the code. They can go in and pinpoint where changes need to be made. 

Report Error

View answer Workspace Report Error Discuss

0 2411
Q:

What is the difference between a regular bitmap and a nine-patch image?

Answer

In general, a Nine-patch image allows resizing that can be used as background or other image size requirements for the target device. The Nine-patch refers to the way you can resize the image: 4 corners that are unscaled, 4 edges that are scaled in 1 axis, and the middle one that can be scaled into both axes.


 

Report Error

View answer Workspace Report Error Discuss

0 2410
Q:

Echo vs print statement

Answer

echo() and print() are language constructs in PHP, both are used to output strings. The speed of both statements is almost the same.


echo() can take multiple expressions whereas print cannot take multiple expressions.


Print return true or false based on success or failure whereas echo doesn't return true or false.

Report Error

View answer Workspace Report Error Discuss

Subject: PHP

0 2406
Q:

What are the differences between mysql_fetch_array(), mysql_fetch_object(), mysql_fetch_row()?

Answer

mysql_fetch_array:
Fetch a result row as an associative array and a numeric array.

mysql_fetch_object:
Returns an object with properties that correspond to the fetched row and moves the internal data pointer ahead. Returns an object with properties that correspond to the fetched row, or FALSE if there are no more rows.

mysql_fetch_row():
Fetches one row of data from the result associated with the specified result identifier. The row is returned as an array. Each result column is stored in an array offset, starting at offset 0.

Report Error

View answer Workspace Report Error Discuss

Subject: PHP

0 2401