Integrate Free Anti-Bot Service reCAPTCHA with Spring MVC application

17,784 views
By Abhijit Ghosh on Aug 5, 2013 1:12:52 PM

reCAPTCHA is a free CAPTCHA service to protect a site against spam and other types of automated abuse by bots or computer programs. reCAPTCHA provides widget which can easily be integrated to your blog, forum, comment, registration form, contact form, etc and you can be rest assured that only human is posting in your site.

This post will guide you on how to integrate free anti-bot service reCAPTCHA with a Spring MVC application.

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Deploy to AppFog PaaS using Cloud Foundry Integration plugin of Eclipse / STS

17,373 views
By Abhijit Ghosh on Oct 1, 2012 2:25:29 AM

AppFog Cloud Platform is built by using the Cloud Foundry OSS bits alongside its own set of custom extensions and enhancements. AppFog provides good command line tool to deploy application but we can configure Cloud Foundry Integration plugin of Eclipse / Spring Tool Suite (STS) to deploy web application directly from IDE to the AppFog.

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Example to Generate Random Alpha Numeric Text

14,399 views
By Abhijit Ghosh on Sep 18, 2012 2:08:04 PM

This example shows how to generate random alpha numeric text which is not easy to guess.

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Dynamically create image from text using Java Servlet

36,947 views
By Abhijit Ghosh on Sep 15, 2012 8:50:12 AM

This example shows how we can dynamically create an image from a text ('Hello World!') by writing a simple Java Servlet. In the next post, we'll see how this dynamic creation of image can be used to implement custom CAPTCHA validation.

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About this 'Hello World' site

This site is mainly developed to share coding and technology learning experiences on java / j2ee based technologies.

Simple tutorials / codes have been shared to learn a new technology. Full source code is also available for download.