Technology Questions

Q:

What is hierarchy relationship in a dimension. whether it is: 1) 1:1 2) 1:m 3) m:m

Answer

1:m

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Q:

Where are cookies actually stored on the hard disk?

Answer

The storage of cookies on the hard disk depends on OS and the browser. The Netscape navigator on Windows, the file cookies.txt contains all the cookies. The path is :


c:\Program Files\Netscape\Users\username\cookies.txt


 


The Internet Explorer stores the cookies on a file by name username@website.txt is


c:\Windows\Cookies\username@Website.txt

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Subject: Web Technology

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Q:

What do you know about Intents?

Answer

- Notification messages to the user from an Android enabled device can be displayed using Intents.


- There are two types of Intents - Explicit Intent, Implicit Intent.


 


Implicit Intent:


- In case of Implicit Intent, an intent is just declared. 


- It is for the platform to find an activity that can respond to it.


- Since the target component is not declared, it is used for activating components of other applications.


 


Explicit Intent


- Explicit intent specifies the particular activity that should respond to the intent. 


- They are used for application internal messages.

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Q:

When do you use :: Operator in C++?

Answer

:: is the scope resolution operator. When local variable and global variable are having same name, local variable gets the priority. C++ allows flexibility of accessing both the variables through a scope resolution operator

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Subject: Java

0 1718
Q:

What is the procedure to check status of an activity in Android?

Answer

The status of an activity can be start and stop only. The start means the activity is up and running. It is in execution state and performing some actions. Whereas the stop state defines that the activity is being stopped and performing no action on the system. To see or check the status of an activity there is a command that has to be used like NEW_TASK_LAUNCH flag that keeps the track of all the activities that are running and the main command under which the flag resides is given as startActivity() call. To bring the activity stack in front of the process that is already running require the command mentioned above to be used. The activity can be started remotely by using the remote services. These services allow easy interaction with the client and provide the sample to show it on the local server.

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Q:

When do we use End-of-selection ?

Answer

End of the selection event is mostly used when we are writing HR-ABAP code. In the HR-ABAP code, data is retrieved in the start of selection event and printing on the list and all will be done at the end of the selection event.

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Subject: ABAP
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1 1712
Q:

How to create arrays in JavaScript?

Answer

Arrays are created by using new Array() in Java Script.


For example : var employees = new Array();


The elements to this array is assigned as follows :


employees[0] = "Kumar"


employees[1] = "Fedrick"

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Subject: Web Technology

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Q:

How do you load data from XML file to a ORACLE table?

Answer

You need to first create a table in oracle that matches with the fields of the XML data.


So to get the XMl into the table, you can create a generic procedure that moves an XML document into a table by converting the elements to Oracle Canonical format.


Oracle Canonical format is as follows:


<ROWSET>


   <ROW>  


     <column_name_1 />


     .


     .


     </ROW>


     <ROW>


         <column_name_1 />


         .


         .


      </ROW> 


        .


        .


</ROWSET>        


ROW is used for the table names


ROWSET is used for the XML document


You can get the XML into the canonical form using XSL:


<?xml version="1.0"?>


<xsl:stylesheet 


             xmlns:xsl="https://www.w3.org/1999/XSL/Transform"                   


             version="1.0">


     <xsl:template match="/">


          <ROWSET>


               <ROW>


                         <Attribute_name>                      


                             <xsl:value-of select="Table_name/Attribute_name" />


                         </Attribute_name>


                < /ROW>


          </ROWSET>


     </xsl:template>


</xsl:stylesheet>


To transform the XML document into the canonical form, you can write a procedure. Make sure you include the line below in your procedure code:


v_rows := DBMS_XMLStore.insertXML(


                v_context,    


                XMLType.transform(p_xml_in, p_xsl_in));


The only remaining step is calling your procedure: 


DECLARE


   v_xml XMLType := XMLType( YOUR XML Document );


   v_xsl XMLType := XMLType( YOUR XSL Document );


BEGIN 


   procedure_name(v_xml, v_xsl, 'table_name');


END;

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