Interview Questions

DLR is a runtime environment that allows you to integrate dynamic languages with the Common Language Runtime (CLR) by adding a set of services, such as expression trees, call site caching, and dynamic object interoperability to the CLR.

The System.Dynamic and System.Runtime.CompilerServices namespaces are used to hold the classes for DLR. It also provides dynamic features to statically-typed languages, such as C# and Visual Basic to enable their interoperation with dynamic languages.

You should have recorded in your cash books all amounts you have actually received and payments you have actually made. However the cash books may be incomplete as your bank may have put extra transactions through your account such as:

► bank fees or interest charges
► direct debits (payments) and direct credits (receipts).

Doing a regular bank reconciliation will allow you to:

► take into account any extra transactions your bank puts through your account and
► check and record any errors or omissions.

By regularly doing a bank reconciliation (say monthly) you can be more confident that your records contain all the information you need to prepare your income tax return and activity statements.

Generating random passwords in PHP can be done in multiple ways depending on how much security the application demands:-

Md5 function can be passed one parameter as uniqid() function which in turn generates a random number. Passing the parameter as TRUE in uniqid() adds additional uniqueness.

<?php
   $passwd = md5(uniqid(rand(), true));
   Echo $passwd;
?>

The primary purpose of life insurance is to provide financial protection to surviving dependents after the death of an insured.

A Thread is a block of code that can be executed in parallel with another block of code.

Some of the rules which should be followed while naming a variable in VB are as follows: 

1) Characters should be less than 255.

2) Space between characters should be allowed.

3) A variable should begin with a number.

4) Period may not be permitted.

IUnknown as an interface of a COM object. Every COM object has to support IUnknown, besides optionally adding other interfaces.

IUnknown is made of QueryInterface, AddRef and Release.

setcookie('variable','value','time');
variable - name of the cookie variable
value     - value of the cookie variable
time       - expiry time

Example:
<?php
setcookie('Test',$i,time()+3600);
?>
Test - cookie variable name
$i - value of the variable 'Test'
time()+3600 - denotes that the cookie will expire after an one hour