Mozilla Hacks Weekly, September 15th 2011

From the Mozilla Developer Engagement team, here is our recommend reading list for the latest week.

Weekly links September 16th 2011

If there is anything you think we should read or know about, don’t hesitate to post a comment, contact us on Twitter or through any other mean.
And here are the links:

Christian Heilmann

A picture of Christian Heilmann Adaptive Images is a simple PHP script to create images in different resolutions for different mobile devices.

If you want to read more tips or discuss the web with Christian, he’s available on Twitter as @codepo8.

Havi Hoffman

A picture of Havi Hoffman For product and interaction designers and everyone else: An article in UX Magazine by Alex Faaborg (@faaborg), principal designer on Firefox, called Debating the Fundamentals: The geographic, temporal & political nature of usability heuristics.

If you want to read more tips or discuss the web with Havi, she’s on Twitter as @freshelectrons.

Janet Swisher

A picture of Janet Swisher Henny Swan is collecting Resources for Mobile Accessibility Guidelines. Check them out if you’re developing for mobile devices, and suggest any that are missing from the list.

If you want to read more tips or discuss the web with Janet, she’s available on Twitter as @jmswisher.

Jeff Griffiths

A picture of Jeff Griffiths Understanding delete – Great article on delete in JS and ( at least in part ) on how developer tools can betray you.

If you want to read more tips or discuss the web with Jeff, he’s available on Twitter as @canuckistani.

Rob Hawkes

A picture of Rob Hawkes If you’re interested in HTML5 & JavaScript gaming then you should hang out in the Browser-based Games IRC channel on Freenode (direct IRC link). There are some pretty cool discussion happening every day.

If you want to read more tips or discuss the web with Rob, he’s available on Twitter as @robhawkes.

Robert Nyman

A picture of Robert Nyman Brendan Eich on Ecma TC39,, and Google Dash – Brendan Eich discusses the future of JavaScript and thoughts on the Google Dash/Dart initative

If you want to read more tips or discuss the web with Robert, he’s available on Twitter as @robertnyman.

About Robert Nyman [Editor emeritus]

Technical Evangelist & Editor of Mozilla Hacks. Gives talks & blogs about HTML5, JavaScript & the Open Web. Robert is a strong believer in HTML5 and the Open Web and has been working since 1999 with Front End development for the web - in Sweden and in New York City. He regularly also blogs at and loves to travel and meet people.

More articles by Robert Nyman [Editor emeritus]…


  1. Mike

    I’ve been all over Mozilla sites looking for a fix with this browser. It seems if I exit out of the browser and then try to execute it again I keep getting this note that Firefox is already running. I’ve been through all the “hoops” for addressing this (rename this, delete that, reboot, etc, etc) and it just doesn’t seem to work. Could someone please come up with a fix on the next version? I hate to say this but IE doesn’t seem to have this problem but I really like Firefox and have been using it for quite some time. This is the only problem beside add-on compatibility issues that I dislike about this browser.

    September 18th, 2011 at 10:20

    1. Robert Nyman

      Hi Mike,

      Please file a bug for Firefox at and the proper people can follow up on that.

      September 19th, 2011 at 02:40

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