A Narcissistic number or otherwise known as a pluperfect digital invariant (PPDI) is a number that is equal to the sum of its digits each raised to the power of the number of its digits, it sort of loves itself (its digits), it is also called Armstrong number ... Read More

sed (short for stream editor) is a great tool to quickly and efficently edit text files, this article is a full tutorial of how to use sed from a beginner level to an advanced one, I believe that this article will show you some of the magic of sed command... Read More

in this 7th part of this tutorial series about PHP object oriented programmig, we will add a very important part of any website, an input field to search the website, in this particular website the input search field will help us search the wallpapers and we will add an autocomplete component using jquery-ui... Read More

At this point we will start adding some HTML code to our website. and our website will start looking beautiful little by little as we add more features to it... Read More

We will use the MySQL function TIMESTAMPDIFF, the process is simple enough : we check the difference between the last time a user identified by its IP adress viewed our page and the current time, if the said difference is greater than a defined value, we increment the view.... Read More