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David Walsh
Works at Mozilla Corporation
Attended Madison Area Technical College
Lives in Madison, WI, USA
7,766 followers|667,210 views
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David Walsh

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Learn more about bitcoin and, specifically, the difference blockchain can make beyond bitcoin!
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How could i download this application in my phone 
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Automate video clip creation with ffmpeg!
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The new wave of minifier: an ES6+ aware minifier for your JavaScript source code!
The Babel toolchain is amazing. We’ve used Babel to write ES6 JavaScript well before ES6 features hit browsers, we use it to parse JavaScript and write JSX, and much more. Babel can do just about anything with the JavaScript language and I’ve just learned of another use for the Babel toolchain: babili, the ES6+ aware JavaScript …
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Using Cloudinary you can implement Instagram-like image filters.
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I created my first simple web extension -- check out how easy it is to create a cross-browser add-on!
Much like multimedia support in the browser, we initially did browser add-ons all wrong. For years each browser had its own language and method for installing add-ons, leading to security exploits, performance problems, painful maintenance for developers, and frustrating user experiences. Today we have the Web Extension API which is supported by most major browsers, a critical …
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Six more ES6 features to not miss!
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Protect your client, user, and your own privacy by removing sensitive EXIF data from images!
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Check out how easy it is to create slo-mo and time lapse videos!
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Coinbase offers a really sweet API for managing bitcoin!
One of my biggest recent regrets was not pouring money into bitcoin when Kim Dotcom said we should; this was approximately 18 months ago when the bitcoin value was $170. Today bitcoin value has topped $1000 which is why I’m kicking myself so hard. I buy my bitcoin through Coinbase, a very user friendly, reliably vendor that makes bitcoin …
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You can use Lebab to transpile your legacy JavaScript to ES6/7! 
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Mo devices, mo (...sometimes less) problems. I put together my thoughts on new and old devices for 2016.
If you follow this blog regularly or follow me on Twitter, you know that I love devices for all purposes. Whether it’s for watching videos, virtual reality, or any other number of entertainment tasks, I love cutting edge devices and have an opinion on all of them. The following are my thoughts on devices I own (some …
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I bet accented characters don't sort the way you'd think!
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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
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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Other profiles
Contributor to
David Walsh's +1's are the things they like, agree with, or want to recommend.
Camera and Video Control with HTML5 Example
davidwalsh.name

Access the desktop camera and video using HTML, JavaScript, and Canvas. The camera may be controlled using HTML5 and getUserMedia.

O’Reilly Velocity Conference is Coming!
davidwalsh.name

I wanted to give everyone a quick reminder that O'Reilly's Velocity Conference is coming up from June 24-26 in Santa Clara, CA. Velocity con

Debating Which WP Theme Is Better, Divi 2 Or Salient
davidwalsh.name

Since web design is something people seem more and more interested in, developers have made available an impressive range of products for pe

Shaving Bytes with JavaScript Booleans
davidwalsh.name

true === !0 // Save 2 chars ; false === !1 // Save 3 chars

Prevent XSS “on” Attribute Attacks in CKEditor 3.x
davidwalsh.name

CKEditor 3.x had issues with XSS /security issues with on attributes. For example, you could trigger malicious code via an onerror attribute

Sass Color Variables That Don’t Suck
davidwalsh.name

It's easy to go down the wrong road when naming variables with Sass. Learn how to avoid color problems with this post!

7 Things You Didn’t Know You Could Do with CSS
davidwalsh.name

CSS and JavaScript, believe it or not, are starting to overlap as CSS adds more functionality. When I wrote 5 Ways that CSS and JavaScript I

CSS vs. JS Animation: Which is Faster?
davidwalsh.name

This article serves as a point-by-point walkthrough of how JavaScript-based DOM animation libraries, such as Velocity.js and GSAP, are more

Preview: Element Queries, From the Feet Up
davidwalsh.name

Element Queries, what are they? Have you ever wanted to style an element using something like Media Queries, but based on *its own* dimensio

Add Menu Items to the WordPress Admin Menu
davidwalsh.name

The existing menus in WordPress are solid but one annoyance is that I need to click "All Posts" and then the "Drafts" link to get to my draf

Try Treehouse!
davidwalsh.name

Get a Treehouse coupon code so you can start learning for free!

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,