This is a blog about Rebol, it's a fantastic free programming language, it permits easily to create complete software with few lines of code. It's cross-platform, so if you write it on Windows, it will work on Linux and Mac, and vice-versa. You can produce also wonderful GUI with just 3 lines of code!
Wednesday, 28 December 2011
What is a captcha? Is a tool to avoid automatic spam on forum, comment, or whatever field on our sites. The captcha show an image containing a letter sequence that only a human being can understand.
Here an example: