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Archive for the ‘Webtechnology’ Category
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Apple’s refusal for adding Flash to iPad/iPhone has nothing to do with battery usage.
Monday, January 2nd, 2012Off course it was a brilliant marketing trick, everyone started writing about it and discussing the issue.
It even made a Dutch Newspaper define Adobe Flash as one of the losers in 2011. Which is one reason that triggered me to publish this post now, it has been a draft for nearly a year. Alas, the fate of many of my posts, no time to work out and state properly my (initial) thoughts.
The other reason is this remark Apple is the only dominant player in this game who has enough confidence in their own software, platforms and ecosystem, to truly have no interest in “owning” the web one way or another by Faruk Ateş.
Sorry, did I miss anything, aren’t patents supposed to let you own something and forbid others to use that. Aren’t patents a kind of owning a technology, a kind of a monopoly? Isn’t there a (many many many) lawsuit between Apple and Samsung. Wasn’t there an intial `bug` in iOS that made ipads not play HTML5 video if Apple`s own shared patented technology (H.264/MP4) wasn’t named first?.
Nice `bugs` to kickstart your own technology. Why did Apple oppose to a patent-free video format?
And sure flash can cause a huge CPU load, which strains the battery a lot. That’s true, but HTML5 / CSS3 animations do the same. There isn’t a real gain yet in playing a video in Flash or in HTML5, AFAIK.
The real reason for Apple refusal is the battle for video and audio codecs and formats on the internet. They were losing grip (what the hell is Quicktime) on how video and audio content was served to the web. Lately there were two ways, Flash, and since Olympic Games also Silverlight, Apple’s own plugin product Quicktime was dead meat, (despite pushing it with security updates for their browser and vice versa)
Flash is from Adobe and Silverlight is from Microsoft. Apple’s refusal to allow Flash did also mean there will be no Silverlight. So the Dutch Public Broadcast moved form Flash to Silverlight and now they moved to HTML5 for Ipad/Iphone only. Why other systems like Opera on Linux 64 are ruled out from HTML5 video seems weird, there has never been a good Linux 64 flash plugin, there is no support for Opera in Silverlight/Monolight.
The Dutch Public Broadcast moved to the Silverlight standard, not because it was technically superior or it was better supported, (Linux support has always been behind Windows support, Opera has never had support, Chrome had support only after a (few) years of existence). What’s a better way of consolidating the dominant position of the Windows market share on the PC OS market, then show the name Windows on every page of the Dutch Public Broadcast. They claimed they choose it because it offered better tracking of user statisitics. (?!). When the iPad was launched they immediately offered HTML5 video for Ipad only. If you don’t have an iPad you have to use Silverlight, even if it isn’t supported on your platform or browser of choice.
So what did Apple do, they were losing a battle, they flee/jumped forward to the new technology HTML5 but embracing only support for their own (shared) patented technoloy mp4/h.264. Everbody praised Apple…
Apple is the only dominant player in this game who has enough confidence in their own software, platforms and ecosystem, to truly have no interest in “owning” the web one way or another.
My ass!
Jobs was a visionary and smart business man. Like most bankers.
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Nominate Git(hub) for the Nobel Peace Prize
Wednesday, December 7th, 2011Git is a decentralized or distributed revision control system. This means every programmers work together in a team, localized, but every team-member owns the complete code, it’s back-upped everywhere, not just on one place. Git has increased the speed and ease of development for open source projects enormously. Every one can contribute and pull requests are faster issued than writing an email.
Github is a website that hosts software development projects that are maintained with the Git version system. Github is free for open source projects and offers commercial plans for proprietary projects.
Working together on software with people from all over the world, thereby spreading creativity and collecting global cooperation is the best way to achieve fraternity between people, because there is no sense in raising standing armies and go to war, when we all want to achieve a common goal. A better working… , whatever.
The decentralized aspect of Git is thus very important. Leaders raise armies and make war. People want war because they’re influenced by leaders spreading the words of nationalism and patriotic or religious superiority.
People working with people all over the world know this is nonsense, we’re all different, but have an interest in the same goal. The minds of people are versatile, that makes working with Git(hub) such a fertile soil.
Hereby Webonomic nominates Git(hub) for the Nobel Peace Prize.
Who`s joining?
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History pushState issues
Tuesday, December 6th, 2011Opera 11.60 broke navigation on our main website. It does not longer because I added a workaround.
It’s all related to setting the baseURI (wrongly) after ajax loading and history.pushState
To see the problem:
Open this page in Opera 11.60:
- http://www.webonomic.nl
- Click internet
- Inspect any element and readout the baseURI property, it’s set to
http://www.webonomic.nl/webdesign/internet
While Opera 11.52, Firefox and Chromium set it to
http://www.webonomic.nl/
according to the base href element of original the document.
I looked up the specs:
http://www.w3.org/TR/html5/webappapis.html#script-s-base-url
A base URL
A URL, set when the script is created, used to resolve relative URLs. If the base URL is set from another source, e.g. a document base URL, then the script’s base URL must follow the source, so that if the source’s changes, so does the script’s.
I’m not sure if a pushState is changing the source, I can imagine it does, so Opera’s 11.6 behaviour does make sense somewhere. On the other hand it doesn’t change the source of the script?
A couple of questions raise:
- Is Opera’s 11.60/12.00 new behaviour a bug?
- How do we set the base url of a json document?
- How do I set the base URL for a script?
To me Opera 11.5, Firefox, and Chromium’s behaviour does make sense by keeping the base URI of elements to the href attribute of the base element after a pushState event.
Can anyone shed some light?
(I decided to ask this question on the Opera Dev forum as well )
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The beauty of WebGL
Friday, July 1st, 2011We have seen some demo’s with fishtanks and aquariums, but I found a much more elegant showcase here. It stresses the beauty of infinity and brings focus to the relationship between simplicity and complexity, often found in nature.
An intriguing animated M.S. Escher drawing.
You can see the working example here:
http://wakaba.c3.cx/w/escher_droste.html
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Browser performance and CPU load
Tuesday, June 14th, 2011Chromium is using 2 cores and Opera isn’t running full speed on Sunspider JS benchmark. That is the outcome of a simple test running TOP while taking the sunspider benchmark on a quadcore (AMD 630) Ubuntu 64 machine with the three main browsers: Chromium, Firefox and Opera. Opera 11.11 is surprisingly never using more then 80% CPU while Firefox 4 is using 100% and Chromium 12 150%. A quadcore can take 400%, when all 4 CPU cycles are fully utilized. Opera is the slowest performer on the benchmark, no surprise and Firefox is somehow disabling graphical output: nearly no load on X-server, and no visual graphical output, while Opera and in a lesser extent Chromium show a lot of flickering and flashing. Opera is also putting a bigger load on Compiz, the compositing window manager for Linux, AKA 3d eye candy. But Opera, as said before, is also giving more visual feedback about downloading files and stuff with an animated icon in the addressbar.
Sunspider benchmark results
Firefox 4: Total: 355.6ms +/- 2.6% Chromium 12: Total: 348.2ms +/- 4.9% Opera 11.11: Total: 413.2ms +/- 3.3%
TOP results
Firefox 4 Tasks: 277 total, 2 running, 273 sleeping, 1 stopped, 1 zombie Cpu(s): 27.1%us, 3.5%sy, 0.0%ni, 69.0%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 5093632k total, 5016508k used, 77124k free, 220824k buffers Swap: 9055228k total, 0k used, 9055228k free, 2074600k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 7063 user 20 0 923m 325m 41m R 101 6.5 2:46.61 firefox-bin 2193 root 20 0 235m 131m 32m S 12 2.6 12:11.16 Xorg 3119 user 20 0 374m 62m 20m S 8 1.3 5:13.44 compiz Chromium 12 Tasks: 280 total, 3 running, 273 sleeping, 3 stopped, 1 zombie Cpu(s): 44.0%us, 9.0%sy, 0.0%ni, 46.3%id, 0.8%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 5093632k total, 4856072k used, 237560k free, 217760k buffers Swap: 9055228k total, 0k used, 9055228k free, 2011968k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 7317 user 20 0 880m 81m 26m R 102 1.6 1:20.46 chromium-browse 2193 root 20 0 243m 138m 40m S 44 2.8 13:07.53 Xorg 7295 user 20 0 519m 51m 31m R 41 1.0 0:37.04 chromium-browse 3119 user 20 0 374m 62m 20m S 11 1.3 5:33.46 compiz Opera 11.11 Tasks: 280 total, 4 running, 272 sleeping, 3 stopped, 1 zombie Cpu(s): 23.3%us, 11.3%sy, 0.0%ni, 64.1%id, 1.2%wa, 0.0%hi, 0.2%si, 0.0%st Mem: 5093632k total, 4849588k used, 244044k free, 217972k buffers Swap: 9055228k total, 0k used, 9055228k free, 2004908k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 6051 user 20 0 863m 428m 29m S 81 8.6 13:51.12 opera 2193 root 20 0 236m 131m 32m R 47 2.6 13:22.27 Xorg 3119 user 20 0 374m 62m 20m R 18 1.3 5:38.20 compiz
Conclusion
Seems that Opera isn’t going full throttle on benchmarks. I wonder why that is. Chromium is the only browser that is using multiple cores, but it isn’t actually much faster than Firefox. Another interesting thing is that Chromium feels the snappier browser but actually is stressing your PC more.