Python Flask username availability check with MySQL, AJAX

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 available or already occupied by someone else. So if we give instant result to the user for username availability then sometimes it makes more sensible than while pressing the submit…

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Username availability check using Codeigniter, AJAX and MySQL

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 checking whether the input username is available for creating new user account or it has already been taken by someone else. So if we give instant result to the user…

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Username availability check using PHP, AJAX and MySQL

Introduction This tutorial shows how to check username availability using PHP, 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 with any technologies like PHP, Codeigniter, Servlet, Struts, JSF, Spring etc. for checking whether the input username is avaialable or already occupied by someone else. So if we give instant result to the user for username availability then sometimes it makes more sensible than while pressing the submit…

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