Suppose you want to know the age of a person given her birth date. Let's say her birth date is "09-23-1969". Although in this case you might say that we don't need a program to compute the age, but assume there are 1000s of records in your database and for every person you have to print a report like:
Ever seen those fancy links where they change their appearance as soon as you place your mouse cursor on them?
Using cookies in PHP is a fairly easy task. As you know, you can store information in a cookie that can be used later on.
Sometimes you need to generate unique random numbers if you want to assign IDs to your members or assign unique values to your shopping cart items.
Search engines actively and regularly seek new content. As more and more search engine algorithms evolve into complex, human-centric logics, they seek content that is relevant to the search conducted by the surfer. They also want to present freshly updated content to their users. Google sends out its 'freshbot' spider to gather and index new material from all the sites which offer it.
I've been writing lots of stuff about how to write optimized content (visit http://www.amrithallan.com/optimized-content.asp to see what's optimized content) for web pages.
Is it easy to work as a freelancer or difficult? I contemplate this as a writer, or rather, a content writer. Why do I not work in a company? As a matter of fact, I had a somewhat "nice" job some time back but couldn't stay there for more than three months.
A big challenge when you work on your own is, you constantly have to promote yourself until you have become so famous that you have to hide somewhere to escape from your chasing customers.
Ever since the beginning of the search-engines dominated Internet, the importance of keywords and key phrases has remained undiminished. Although PPC and other technologies have tried to take precedence over them, they have remained the tool of the masses to get found on the search engines. Millions of searches are conducted every month using Google, Yahoo!, MSN and other mediums. Those who can pay, bid for positions and clicks. Those who cannot, or don't want to, optimize their websites for the relevant keywords.
When you write for a web page there is a great attraction for using hyper-links. Even I cannot resist the temptation of linking different pages to a single paragraph just to encapsulate lots of information in short text.