I want to make an online password manager for my own use. The risk I am taking it because it is not possible for me to take a laptop with internet everywhere. With over hundreds of website I've subscribed into, it is becoming messy for me to live with so many usernames and passwords.
What would be the right approach?
(1) Which language/framework to use? Ruby or PHP.
(2) Which Open-Source crypto library and pseudo-random generator?
(3) What other security considerations?
(4) Is PostgreSQL the right-choice?
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Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern:
The viewer will learn how to create and use a small PHP class to apply a watermark to an image. This video shows the viewer the setup for the PHP watermark as well as important coding language. Continue to Part 2 to learn the core code used in creat…