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 Technology Questions

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Q:

What is difference between HTML and HTML5?

Answer

The differences between HTML and HTML5 are:


- Document of HTML is very large as compare to the HTML5.


- Audio and Video tags are not present in HTML whereas HTML5 contains audio and video tags.


- Vector technology is not integral part of HTML whereas HTML5 Vector technology is the integral part of it.


- HTML supported by all old browsers whereas HTML5 is supported by new browser.


- In HTML web sockets are not available whereas in HTML5 Full duplex communication channel is present.

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Subject: Web Technology

0 2035
Q:

How to create Directory on the HD?

Answer

To create directory on the HD we use mkDir() method:


boolean mkDir();


This method returns true if the directory is created on HD


This method returns false if the directory is already existing on HD

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Subject: Java

0 2035
Q:

What is the use of API’s in cloud services?

Answer

API stands for Application programming interface is very useful in cloud platforms as it allows easy implementation of it on the system. It removes the need to write full fledged programs. It provides the instructions to make the communication between one or more applications. It also allows easy to create application with ease and link the cloud services with other systems.

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Subject: Cloud Computing

0 2034
Q:

What is Shift() method in Javascript?

Answer

-The shift() method is similar as the pop() method but the difference is that Shift method works at the beginning of the array. 


-The shift() method take the first element off of the given array and returns it. The array on which is called is then altered.


For example


var myarray = ["apple ", "banana ", "mango "]; 


console.log(myarray.shift());


console.log(myarray);


we get the following console output:


apple


["banana ", "mango "];


 


When we call shift() on an empty array, it will return an undefined value.

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Subject: Web Technology

0 2033
Q:

How to insert Javascript in HTML?

Answer

We can insert JavaScript in HTML using <Script tag>. JavaScript can be enclosed in <script type = text/javascript> and ending with </script>.


Example: 


<html> 


  <body> 


        <script type="text/javascript"> 


               ...JavaScript….


         </script> 


   </body> 


</html>

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Subject: Web Technology

0 2032
Q:

What is JDBC ?

Answer

JDBC technology is an API (included in both J2SE and J2EE releases) that provides cross-DBMS connectivity to a wide range of SQL databases and access to other tabular data sources, such as spreadsheets or flat files. With a JDBC technology-enabled driver, you can connect all corporate data even in a heterogeneous environment.

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Subject: Java

0 2032
Q:

What is needed to make a multiple choice list with a custom view for each row?

Answer

Multiple choice list can be viewed by making the CheckBox android:id value be “@android:id /text1". That is the ID used by Android for the CheckedTextView in simple_list_item_multiple_choice.

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Subject: Mobile Technology

0 2030
Q:

What is a ResultSet ?

Answer

A table of data representing a database result set, which is usually generated by executing a statement that queries the database.


 


ResultSet object maintains a cursor pointing to its current row of data. Initially the cursor is positioned before the first row. The next method moves the cursor to the next row, and because it returns false when there are no more rows in the ResultSet object, it can be used in a while loop to iterate through the result set.

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Subject: Java

0 2030