HTML5 form field validation also works with numeric input types and with the “required” specification. Suppose we enhanced the above HTML to add an input field with “required” and another input field ...

Writing code to validate Web-form input can be even more of a chore than implementing form-processing logic. But help is at hand, thanks to the Struts 2 framework. Oleg Mikheev looks under the hood of ...

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Community driven content discussing all aspects of software development from DevOps to design patterns. The art of the file upload is not elegantly addressed in languages such as Java and Python. But ...