Web Cash

Yesterday, I wrote a short article on generating random numbers in Javascript. The Javascript random number generator is similar to C/++ - it gives you a random number from 0 to 1 and you need to make it useful.

At the suggestion of a reader (thanks Justin), I decided to go ahead and turn the general formula for this into a short helper function to generate a random number.
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If you’re working on a user-management system, you may find it useful to be able to create a random password for users.

Some systems generate these initially and have the user log in to set a permanent password. You might also have a “Reset” button, where the script generates a random password and e-mails it to the user.

This quick tutorial will show you how to create an 8 character random password containing a mix of letters and numbers. Or, if you’re impatient, jump straight to the function’s source code
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Sometimes forms get long, unsightly, and intimidating. It’d be great if you could cut them up into three or four parts - with a few fields on each page.

In order to do that, you need to figure out some way of storing or passing along the information from the first pages. I’ve heard a bunch of crazy ideas - from storing the information in session variables to writing each part to the database.

The easiest thing to do is attach a very brief php function to the bottom of each page. It’ll do all the work for you and continue to post every item the user has entered. (more…)