free captcha software

The content of this tutorial is close to the technical direction I am good at: Safe contact forms. As I mentioned in the previous tutorial, A common contact form helps a visitor communicate with you without exposing your email address to the

Apache Shiro is a powerful and easy-to-integrate open-source rights framework that enables authentication, authorization, encryption, session management, and more. Authentication and authorization are the core of authority control, simply,

We provided free online software services provided by the above four SaaS service providers. The general feeling is that Jin Abacus and Ming Wan still have a certain advantage at the present stage. The reason for their advantages is that they are

1.InfoGlueInfoglue is a high-level, extensible, robust content management system that is fully developed in Java. Important features include full support for multiple languages, good reuse between sites, and extensive integration capabilities.The

Future of verification code: What about reCAPTCHA? The birth and significance of reCAPTCHA CMU (Carnegie Mellon University) designed a powerful system called reCAPTCHA, allowing computers to seek help from humans. The specific method is to send

Requirements and project risks From customizing a software project to the final implementation is not only a long process, but also a process full of variables, A comprehensive understanding and correct understanding of the nature of user demand

1:seo Statistics 　　 SEO statistics is a good application tool and it is free. This software is particularly useful in testing your site rankings. Not only can you check the rankings of your site, you can also view your Yahoo on the

Document directory 1. Functions and Class Libraries 2. Ajax and JavaScript Code Web technologies are advancing by leaps and bounds, and more tools are available for Web design and developers. Web developers' skills are no

The cat and the prince change ---- wear others' shoes and follow your own path (the alternative thinking achieves ring0 to hide files) On the 10th, I received a programming order from my friend and asked me to write a lite version of remote control

SMS SMS API downstream interface parameters SMS upstream reply API Important: Use the interface to send verification Code programmer Note, the recent SMS verification code bombing software flooding, please send a verification code, plus a graphics