WordPress style "Duplicate comment detected" using Memcached and PHP

January 2, 2010   -   Scalability   -   9 comments

If you have a knack of leaving comments on blogs, chances are you might have experienced a wordpress error page saying “Duplicate comment detected; it looks as though you’ve already said that!“, probably because you were not sure that your comment was saved last time and you tried to re-post your comment. In this blog [...]

Web Security : Using crumbs to protect your PHP API (Ajax) call from Cross-site request forgery (CSRF/XSRF) and other vulnerabilities

October 5, 2009   -   PHP   -   14 comments

Have your API calls ever being used directly by someone without your permission? If yes, read on to find out how can we protect our API’s from such spammers and hackers. Before we go ahead and see a possible solution for this, lets try to list out a few cases, when our API’s can be [...]

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