you may have seen input textbox becomes wider
dynamically in some websites when mouse cursor is
placed on it(in focus) to take some user input.It's
attractive to see and in this way it makes spaces
for larger input.

It's a very common to get joomla module's setting parameters in
code to process the module.It's easy but sometimes things
become complicated if you don't find the right way to do
that.

when you process credit card payment the two
most sensitive inputs are taken from customer
are card number and card security code.you
will want to verify that the data entered
is valid before processing credit card payment.

we know different file types like html,jpeg,gif,pdf,
doc,etc handled by different browsers like IE,
firefox,opera,etc.the situation can come when the
browser can't handle the file type,it will ask
to save or open that file.

A digital photo is a multidimensional array containing numbers
that indicates the color of points in the photo/image.so we could
do what we want with this multidimensional array like we can
make any amendments in the array by entering it into math functions,
also we can encrypt the image.in this article i am gonna show you
how to place a background behind a photo using a method.

in windows invironment,the file system is splited into directories
and files.files holds the actual data,but directories are
storage for logical listing of files in the system.to deal with
files and folders(directories),CLR uses System.IO namespace.
the classes used are File,FileInfo,DirectoryInfo,Directory.

Sql server knows many data types.it's worth our
while to know most common types -