Technology Questions

Q:

What is a .htacces file

Answer

 .htaccess is a configuration file running on Apache server.These .htaccess file used to change the functionality and features of apache web  server .

 e.g   .htaccess file used for url rewrite .

         .htaccess file used to make the site password protected.

         .htaccess file can restrict  some ip addresses ,so that on restricted ip adresses  site will not open.

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Subject: PHP

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Q:

File contains 5 records say D,E,F,C,A-I want to copy D and A records only by using file-aid?

Answer

Go to file-aid copy option.Enter the from dataset to be copied and to dataset to which you want to copy.go to options. Enter 0 at Initial records to skip field.Then enter 3 at the no of records to skip field and 1 to no of records to select.press enter and PF3.

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Q:

Why many companies are switching their current business language to PHP? Where PHP basically used?

Answer

PHP is rapidly gaining the popularity and many companies are switching their current language for this language. PHP is a server side scripting language. PHP executes the instructions on the server itself. Server is a computer where the web site is located. PHP is used to create dynamic pages and provides faster execution of the instructions.

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Subject: PHP

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Q:

Are arrays primitive data types?

Answer In Java, Arrays are objects.
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Subject: Java

0 2141
Q:

What is diamond problem?

Answer

The diamond problem is an ambiguity that can occur when a class multiply inherits from two classes that both descend from a common super class

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Subject: Java

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Q:

Where can you define the icon for your Activity ?

Answer

Icon for an Activity is defined in the manifest file.


Code


<activity android:icon="@drawable/app_icon" android:name=".MyTestActivity"></activity>


...

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Q:

Can I call an XLM macro from within Excel VB?

Answer

With the help of Excel App instance. we can execute a Macro in VB code.


EXcelAppInstance.Application.Run("MacroName")

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Q:

Difference between Swing and Awt ?

Answer

AWT are heavy-weight componenets. Swings are light-weight components. Hence swing works faster than AWT.

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Subject: Java

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