JavaScript: validating UTF-8 string lengths in the browser

Let's take a JavaScript string: "€100". This is going to be sent from a browser input box and stored in a web server's database. The database is using the UTF-8 encoding and the constraint on the column is CHAR(4). Spot the problem?

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JSP: what all the encoding declarations mean

When you see a JSP document, you might wonder why it specifies the UTF-8 encoding three or four times. This is a post about what those declarations mean.

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