Ask HN: What programming languages should a web designer know?
What programming languages should a web designer know in order to do a useful and nice Web 2.0 site?
For front-end interactions, Javascript is pretty much the only answer. jQuery is just a Javascript library, and AJAX is just a method to send/receive information without refreshing the entire page.
For "true" Web 2.0 functionality, you'll also need to know a server-side language. PHP is certainly one of the more popular ones (and among the easiest to get working), but there is also Java, Ruby, ColdFusion, .net (C#, ASP.net, VB.net,etc.), Perl, Python, LISP, ARC, etc.
Chances are you'll need to be able to store information, which pretty much requires a database. MySQL is easy to work with, but there's also PostgreSQL, SQL Server and Oracle (among others).
Personally, I currently use HTML 5, CSS, Javascript (with jQuery), PHP and MySQL most frequently.
As a designer, however, your biggest concern is almost certainly going to be the HTML/CSS side of things. A library like jQuery will handle 99% of your cross-browser Javascript issues, but getting a page to look right (though not necessarily identical) across browsers can be a challenge. You'll need to know not just the markup (HTML) and display (CSS) languages, but also how each of those are interpreted in the major browsers (IE 7+, Firefox 3+, Chrome 4+, Safari 3+ and Opera 9+). You'll need to know how to make your PNG graphics look the same in Windows and OSX (gamma differences, if I recall correctly).
Fortunately, all this information (and more, so much more) is at your fingertips. All you need is patience, time, and more patience :)
Good luck!
Working with a development team is different than working by yourself. Working with others means collaborating in some systematic way and version control is at the center of that collaboration.
I'd recommend learning how to use git and subversion to get a feel for decentralized and centralized version control systems and familiarize yourself with popular workflows with each.
There's lot of different languages for front-ent development: JQuery, Ajax, JavaScript, HTML, CSS, etc etc...
What I would like to know is what languages are really important to master for someone trying to design a website.
With these you'll have a nice little front-end development toolkit.
From there you can go down a few different paths, JavaScript being the frontend path for fancy UI effects and PHP/MySQL seem to be the matching database and backend programming language for most web 2.0 apps today. You can learn all of these languages online through tutorials and help forums, it'll just take some time