Introduction This tutorial shows an example on Python Flask username availability check with MySQL, AJAX. Sometimes we need to check username availability instantly before a user submits the form after filling a lengthy signup form. In this case we can use AJAX with any technologies like PHP, Codeigniter, Servlet, Struts, JSF, Spring etc. for checking whether the input username is…

Introduction This tutorial will show you how you can check username availability using Codeigniter, AJAX and MySQL. Sometimes we need to check username availability instantly before a user presses the submit button after filling a long-sized signup form. In this case we can use AJAX technique with any server side technologies like PHP, Codeigniter, Servlet, Struts, JSF, Spring etc. for…

Introduction This tutorial shows how to check username availability using PHP, AJAX and MySQL. Sometimes you need to check username availability instantly before a user presses the submit button after filling a long-sized signup form. In this case you can use AJAX with any technologies like PHP, CodeIgniter, Servlet, Struts, JSF, Spring, etc. for checking whether the input username is…