Web

Integrating Facebook Login Facebook login is considered as one of the most preferable way for authenticating users. This approach is also very convenient for the users as Facebook has very deep reach among users. This post will illustrate as to how to integrate Facebook login as a way of authenticating users. We will be using Javascript SDK provided by Facebook. ... Read More »

Prevent Safari/any browser loading from cache when back button is clicked This problem is caused by back-forward cache. It saves complete state of page when user navigates away. When user navigates back with back button, page is loaded from cache very quickly. This is different from normal cache which only caches HTML code. This kind of situation arises mainly with ... Read More »

jQuery detecting scroll- scroll reaching to the bottom of page Detecting scroll and executing login based on scrolling has important significance in web development like implementing pagination, where more data gets loaded when user scrolls near the bottom of page. So, first basic question arises as to how to detect scroll. OR, if you are a jQuery freak, you can ... Read More »

How to detect selected checkbox/radio elements in jQuery Mobile Framework Well! detecting checked OR radio elements seems no difficult task as far as JQuery is concerned. But here I will discuss some small points (which may fill your knowledge gaps) and finally will provide a fully tested jQuery code that detects checked OR radio elements for jQuery mobile framework. First ... Read More »

XSS (cross-site scripting)is the most prevalent web application security flaw. XSS flaws occur when an application includes user supplied data in a page sent to the browser without properly validating or escaping that content. Detection of most XSS flaws is fairly easy via testing or code analysis. How Do I Prevent ‘Cross-Site Scripting (XSS)’? HTML escaping Escaping of Input Escaping ... Read More »

Typically Web servers set fairly generous limits on length for URL query string e.g. up to 2048 or 4096 characters. While running a web application in Tomcat & HTTP Apache server, we came across a situation where we were asked to handle an extremely long URL query strings. Which was throwing HTTP 414 “Request-URI Too Long” error. For this situation ... Read More »