Life and Living

I thought AJAX would be easy for me to learn. I began to practise AJAX, but soon I get in trouble. Most often an event happens that is the page got stuck although there is no error. I searched every line of a JavaScript function. There is no  error. I tried 4 hours to solve [...]

CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart. The term captcha was first coined by Luis von Ahn, Manuel Blum, Nicholas J. Hooper and John Langford. The first three are from Carnegie Mellon University and last one is from IBM. We will see how easily we can produce captcha [...]