Showing posts with label security. Show all posts
Showing posts with label security. Show all posts

Saturday, April 22, 2017

The Power of Invisible reCaptcha from Google and How to Integrate it With Your Web Application (Spring Boot)



In this post I will talk about the exciting new version of Google reCaptcha, the invisible reCaptcha (well, almost invisible)! Also, I will demonstrate how to integrate it with a typical Spring Boot web app and then do some customizations to better control its behavior.

Generate a unique N letters word sequence (by using relationship between Factoradic base system and Lexicographic Permutation Order of a String)

Lets say that you want to generate a unique 3 letters code sequence to be used as a primary key for some data recodes. Also let assume ...