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David Walsh
Works at Mozilla Corporation
Attended Madison Area Technical College
Lives in Madison, WI, USA
5,094 followers|236,315 views
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David Walsh

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Want to use those sexy REM units in CSS?  Check out this awesome Stylus code!
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David Walsh

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You can use jQuery to load multiple requests with one callback!
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Don't just track visitor information with Google Analytics, track JS errors too!
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Check out these interesting dev tools!
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Don't let stale CSS bloat your code -- find and eliminate it!
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JavaScript promises are epic, I promise!
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I understand your reasons but it's unfortunate that you used jQuery Deferreds as the basis of this post with ES6 Promises so close!
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David Walsh

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+Krasimir Tsonev's awesome post on Techy!
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David Walsh

commented on a post on Blogger.
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Insightful post Lars, thank you for sharing!
The whole Mozilla/Brendan Eich affair has been traumatic from day one.  For me, superimposed over that trauma was the death days earlier of my former partner Richard in Montana. Please, indulge me for a moment as an old man t...
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People
In his circles
104 people
Have him in circles
5,094 people
Work
Occupation
Web Developer, Front-End Engineer
Employment
  • Mozilla Corporation
    Web Developer, 2012 - present
  • SitePen
    Software Engineer, 2010 - 2012
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Madison, WI, USA
Previously
Madison, WI, 53711
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Tagline
MooTools & Dojo Consultant, MooTools Core Developer, Javascript Fanatic, CSS Tinkerer, PHP Hacker, and web lover.
Introduction
I'm a 29 year old Web Developer and jQuery & MooTools Consultant working from Madison, Wisconsin. I am a Web Developer for Mozilla. I don't design the websites, I just make them work.
Bragging rights
Member of the MooTools team, Web Developer at a small startup called Mozilla, married to a hot chick.
Education
  • Madison Area Technical College
    Web Programming, 2001 - 2003
  • Lakeland College
    Computer Science, 2003 - 2005
Basic Information
Gender
Male
David Walsh's +1's are the things they like, agree with, or want to recommend.
Stylus PX to REM Mixin
davidwalsh.name

Convert your PX font sizes to REM fonts sizes with these two mixins!

Automatically Generate a Photo Gallery from a Directory of Images: Updated
davidwalsh.name

I've decided to take his tutorial a step further by showing you how to generate thumbnails for the gallery using PHP. I've also implemented

jQuery: Multiple AJAX and JSON Requests, One Callback
davidwalsh.name

You can use jQuery to send multiple AJAX requests and but fire one callback!

Write Better JavaScript with Promises
davidwalsh.name

You've probably heard the talk around the water cooler about how promises are the future. All of the cool kids are using them, but you don't

Track JavaScript Errors with Google Analytics
davidwalsh.name

Learn how to use window.onerror to track errors on Google Analytics!

Look Ma, no CMS!
davidwalsh.name

I hate complexity. And when I say hate I really mean it. When you build websites several years, you start realizing that the simplicity is y

Mighty Deals: 6 Professional iOS7 App Design Templates
davidwalsh.name

Just because Apple claims, "There's an app for that," doesn't mean programmers are out of a job. Far from it. Every day more and more amazin

Top 15 Tools and Platforms for Creating Eye-Catching Websites
davidwalsh.name

There are so many options for you out there if you need to get a website up and running without any coding skills. How do you know which is

uncss: Find Unused CSS
davidwalsh.name

You know what's better than adding features to a website or app, from a code perspective? Removing stuff you don't need. Whether it be code,

How to Open a Website from Terminal
davidwalsh.name

Every once in a while I want to open a website from the terminal ... just because. Maybe it's because it makes me feel just a bit more hardc

Google Analytics Debugging with ga_debug.js
davidwalsh.name

Learn how to use ga_debug.js to debug your Google Analytics tracking and event calls!

O’Reilly Velocity Conference: Discount Code and 2 Free Passes!
davidwalsh.name

Want to go to Velocity Conference for free? Want a discount? Enter to win!

Lazy Load Resource Based on Element Presence
davidwalsh.name

Fans of AMD JavaScript will probably tell you that they love loading only what they need, when they need them. I am one of those people. Let

Thoughts on Xbox One
davidwalsh.name

I've never been a massive Microsoft fan but one thing I believe they got massively right was Xbox. I didn't own the first Xbox but I did jum

Command + Enter to Submit Forms
davidwalsh.name

I've used Mac's for about six years now but it wasn't until I started using Tweetdeck that I realized how awesome the [COMMAND]+[ENTER] key

Get the Focused Element with JavaScript
davidwalsh.name

Using the `document.activeElement` property, you can detect which element is focused using JavaScript.

CSS Vertical Text
davidwalsh.name

Learn how to use CSS transform: rotate to create vertical text

Giveaway: Win 5 New Colossal Bundles Value $10,063 from Inky Deals
davidwalsh.name

Get a pack of 19 premium resources worth $66 for free by entering this contest. The free pack is sent to the email address you use to partic

Copy Shell Output via the Command Line
davidwalsh.name

Oftentimes I'll want to copy the output of a shell command execution but can't get the whole output because it's larger than the terminal's

Hosting a Website on Amazon S3
davidwalsh.name

Learn how to set up your personal site on Amazon S3!