July 2022
Beginner to intermediate
719 pages
20h 31m
English
One of the most important pieces of any data-driven application is data validation. It is imperative that one validates data before it is inserted into a database to maintain integrity. There are many reasons to validate, the most important being security purposes, data consistency, and proper formatting. Many web applications use validation in the presentation layer via JavaScript for validation of form data and in the persistence layer. However, sometimes JavaScript ...
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