Accelerometer support is available in Mobile Safari and all new android devices. This enables the browser to sense movement, speed and direction with Javascript on mobile & tablet devices. If we push the movement data from the mobile device instantly through a nodejs server to a browser, then we can control a game on the browser. This is […]
Since its birth in 1994, Javascript has come a long way. Today it is one of the most popular programming languages on the web. Javascript has been on the rise and is growing faster since AJAX based applications reignited professional developer interest. It is now possible to it to write applications on the server, the […]
Around 80% of the end-user response time is spent on the front-end. A fair share of this time is spent on downloading components of the page like scripts, Flash, stylesheets, images etc. Javascript takes majority of the loading time of a webpage because scripts block parallel downloading and rendering in the page. Even if you do not have […]
We all do our best to write excellent code and also keep our installations of popular open source tools like WordPress, Joomla, Oscommerce, Drupal, phpmyadmin and all its plugins always updated to prevent any attack or hackers using known exploits on them. This article is not aimed at going through all those methods to help you secure […]
We have all been doing email address validation for a very long time to make sure that the email is correctly formatted. This is to avoid users entering wrongly formatted email address but still they can accidentally give us a wrong email address. Example of a correctly formatted email address but still wrong: mailbox.does.not.exist@webdigiapps.com [VALID […]
What is CAPTCHA? CAPTCHA is an acronym for “completely automated public Turing test to tell computers and humans apart.” This can be with images / audio or whatever we will see in future. Why do sites use it? CAPTCHA is used to prevent bots from automatically submitting forms with SPAM or other unwanted content. Google […]