David Calhoun's blog

Huge huge rant incoming, but all is not said and done, and much is open for debate of course.

(note: this is based on the first iOS5 beta [9A5220p] and is subject to change on final release) It looks like there’s finally some major improvements in mobile Safari, some of which I’ve found below on my “first glance” after downloading the SDK.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Update: the Twitter REST API v1 is no longer active.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ I fired up the newly released Android 3.0 SDK to run some tests and found they’ve implemented part of the long-awaited Device API (aka the Media Capture API).

Introduction Ok, so this post is only here in the hopes I’ll actually win something.

(OR “The Post In Which I Conflate Programming and Philosophy” OR “The Programmer’s Existentialist Crisis”) I woke up this morning to read Dmitry A.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ In general it’s a good practice to check for the existence of something before blindly using it by faith and hoping it works.

This is just a fun little video demo into the inner workings of today’s Google Doodle.

Result table (SunSpider 0.9.1) <td> iOS 4 (3GS) </td> <td> iOS 4.3 beta 2 (3GS) </td> <td> % change </td> <td> 13787ms </td> <td class="positive"> 5357ms </td> <td class="positive"> -61.1% </td> <td> 1917ms </td> <td class="positive"> 737ms…

What’s this?

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ (check out the live demo) Introduction After reading “What the Heck is Shadow DOM?”

There’s an overwhelming amount of information being pumped out of the JavaScript community each week, but how do you keep up with it?

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Here’s an example of what happens when your interface completely relies on JavaScript.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Introduction Those that are just setting out to learn JavaScript are typically overwhelmed by the amount of online resources to be found about learning JavaScript.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Intro There have been many attempts to answer this question in a succinct way, but I haven’t really been satisfied by them.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Intro This is designed to be a “living” post of available materials which will hopefully be updated frequently.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Introduction When people started to learn about the HTML5 doctype, they kind of freaked out a little, not knowing how older browsers would handle it.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ General word of caution: not all of these HTML5 simplifications are compatible with older browsers.

JavaScript Asteroids - blow up any webpage with this bookmarklet!

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Alex Kessinger tweeted asking if there was a reason to still use EMs instead of PX measurements in mobile.

Mobile Monday panel left to right: Wesley Yun (RIM), Jared Benson (Punchcut), Anne Sullivan (Microsoft/Tellme Networks), Chris Nesladek (Google), Sue Booker (Nokia) (taken with my iPhone 3GS) I just came back from Mobile Monday Silicon Valley: Best Practi…

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ The problem On the desktop we’re quite privileged to have nice debugging tools such as Firebug and Web Inspector in Webkit-based browsers.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Introduction A little while back this post made the rounds, which took us on a journey through some of the new features introduced in the browser in Android 2.2 Froyo.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Introduction Often times I end up creating short pages for testing short pieces of code, and I only need a very basic HTML template to write in.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Introduction If you read part 4 of this series, you’ll know that because of the variety of screen sizes, the best way to develop for mobile is to develop fluid layouts t…

Results ============================================ RESULTS (means and 95% confidence intervals) -------------------------------------------- Total: 322.2ms +/- 4.9% -------------------------------------------- 3d: 55.0ms +/- 15.3% cube: 19.8ms +/- 12…

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ I stumbled across this concept recently and I thought I’d share it, because I don’t generally see this pattern being used.

Open Web Camp II at Stanford today was a blast!

Mobile Flickr for iPhone 1.2 released Firefox Home For iPhone Approved, Lets You Sync Bookmarks, Open Tabs And More Opera Mobile 10.1 for S60: W3C gelocation, border-radius & 2D transforms on S60 platform Mobile Browser Cache Limits, Revisited by Ryan Gro…

One of the best perks of working at Yahoo!

Mobile YouTube Mobile Gets a Kick Start Battle of Champions: HTC Droid Incredible vs.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ As long as I can remember, developers have always been trying to target IE one way or another.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ (updated June 27, 2011) Mobile-specific HTML Viewport tag Use the viewport tag to properly fit the content to the screen: 1 <meta name="viewport" content="width=device-…

============================================ RESULTS (means and 95% confidence intervals) -------------------------------------------- Total: 10669.4ms +/- 1.0% -------------------------------------------- 3d: 1471.5ms +/- 2.1% cube: 428.7ms +/- 2.6%…

Result table <td> Evo (2.1) </td> <td> Incredible (2.1) </td> <td> Nexus One (2.2) </td> <td> 16167ms </td> <td> 15237ms </td> <td class="positive"> 5452ms </td> <td> 2014ms </td> <td> 1835ms </td> <td class="positive"> 946ms </td> <td>…

Result table <td> iOS 3.1.3 (3GS) </td> <td> iOS 4 GM (3GS) </td> <td> % change </td> <td> 15396ms </td> <td> 13787ms </td> <td class="positive"> -10.5% </td> <td> 2411ms </td> <td> 1917ms </td> <td class="positive"> -20.5% </td> <td> 1…

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Apparently it’s no longer possible to easily download Android versions 2.0 and 2.0.1 from the AVD Manager.

In episode 6 of The Big Web Show, Luke Wroblewski gives his “Mobile First” talk, explaining his philosophy for designing for mobile, the challenges, and a look at the road ahead.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ The frontend engineer lives at the intersection between design and engineering, and this is perhaps nowhere more true than in the world of mobile.

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ A button is something that seems to be made just for mobile: it’s designed to be big and easy to activate, as opposed to small and harder to activate, like normal text l…

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Tools of the trade You’re no mobile developer unless you have the tools to develop on mobile!

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ The skinny Use this: 1 <meta name="viewport" content="width=device-width, initial-scale=1" /> Introduction This series of posts is intended to introduce web developers…

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ With CSS there are always various ways to accomplish something.

General links Video: Flash performance on the Nexus One censorzilla PHP compiler performance – PHP Classes blog Mobile 10 Great Tools to Create a Mobile Version of Your Site

General links What really happens when you navigate to a URL – great in-depth explanation of computer-to-server transactions.

According to the statistics available on statcounter.com, from January 2009 to January 2010, iPhone browser traffic share actually decreased, not increased, as one might expect.

General links Video for Everybody!

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Color keywords Example usage: // Example body { color: red; } // Generalization (not actual code) body { color: color_name; } Because color names are easy to remember,…

In case you hadn’t seen it yet, John Resig was kind enough to stop by Yahoo!

⚠️ Warning: this is an old article and may include information that’s out of date. ⚠️ Yesterday John Gruber wrote about Apple’s PastryKit, iPhone’s JavaScript framework that’s been discovered “in the wild” on the iPhone user guide at http://help.apple.com…