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• Is there a Javascript library for creating vintage photos?

  - by Nguyen Thanh Tu

  I'm working on a Canvas object in HTML5, and I am attempting to make some photos look "better". I tried VintageJS, an existing photo-retouching Javascript library, and Picozu, a web application cloning some Adobe Photoshop functionalities, but I'm still not happy. Can you help me with an algorithm or point to an existing Javascript library that would allow me to make my photos look like the following example? http://i46.photobucket.com/albums/f137/thanhtu_zx/Untitled-1.jpg

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• Why is Internet Explorer the only browser to be referred to by version when talking about compatibility?

  - by Rue Leonheart

  Whenever I read something or hear someone talking about HTML5, CSS and JavaScript support, they always refer to Internet Explorer with the version number such as Internet Explorer 6, and Internet Explorer 9. But they only refer to Google Chrome, Firefox, Safari and others without version numbers. Shouldn't they also specify the version number in which certain web technologies are incompatible for other browsers instead of just Internet Explorer?

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• Stop a rotating object at a specified angle?

  - by Krummelz

  I'm working in JavaScript with HTML5 and the canvas. I have an object which is rotating at a certain speed, and I need the object's rotation to slow down gradually and the front of the object to stop at a specified angle. (I'm using radians, not degrees.) I have a variable to keep track of the angle which the object is facing, as it rotates. How would I go about getting the object to come to rest, facing the direction I want it to?

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• What's the difference between Canvas and WebGL?

  - by gadr90

  I'm thinking about using CAAT as a part of a HTML5 game engine. One of it's features is the ability to render to Canvas and WebGL without changing anything in the client code. That is a good thing, but I haven't found precisely: what are the differences between those two technologies? I would specially like to know the differences of Canvas and WebGL in the following regards: Framerate Desktop browser support Mobile browser support Futureproofability (TM)

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• Facebook android app changes

  - by jogabonito

  I am referring to this article about how Facebook has rolled out a native app for android replacing their previous HTML5 based one. From my usage, things have definitely become much faster. I was wondering whether this native app is purely java based, or involves some JNI. Image loading for one has become faster, which is generally not thought of as a java strong point. (IMHO) Are there any details on what Facebook has done?

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• How to specify importance of html elements?

  - by Julien Fouilhé

  Is it possible to specify what elements of the page are important, or, more specifically, what elements of the page are not important? I'm using HTML5 new elements (nav, header, footer, section, article, aside...), but in the description of the website, there's sometimes my login form (in the header of my page though) in the Google description of my website pages... Is there a solution to resolve this problem? Thank you.

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• How to draw an RGB pixel with bare hands ? (no extra document just a browser)

  - by Rocket Surgeon

  In the browser tools, say in debugging (any browser will do, but IE9 preferred) how can I access things like html5 canvas and modify individual pixels by typing commands from prompt ? I know, it is possible to accomplish in miriad normal ways with preparing the markup and loading the page, but what is the shortest path ? The browser is running with some content, then I hit F12-Console- what exactly should I type to cause a canvas to change ? Thank you

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• Java SE 7 Update 4??????·???????G1 GC??????“WebLogic+WebSocket”??????????????????????WebLogic Server 12c Forum 2012?????

  - by ???02

  2012?4?????????Java SE 7 Update 4????????·??????(GC)????G1 GC??????????GC???????????? ???????Web??????????????????HTML5??????/???????????????????WebSocket??????????????????WebLogic Server?????????????????????????????? 2012?8????????WebLogic Server 12c Forum 2012???????????·?????????????????????????(???) Java SE 7 Update 4??????G1 GC???????? 2012?8????????WebLogic Server 12c Forum 2012??????????????????·???????????????????????Java EE 6??????????????????????????????????????WebLogic Server????????????????????·???????????????????Java SE 7 Update 4???????GC??HTML5??????1????WebSocket??????????·????????????????????? ?????? Fusion Middleware?????? ?????????????? ???? 2012?4???????Java SE 7 Update 4?????Mac OS X????????????????????????G1 GC?????????? Fusion Middleware?????? ???????????????????????G1 GC???????????????? ????????GC???????????????????????????????????????????????????????????????????????????????????????????·??????????????????????????·??????????GC????????????????1??GC???????????????????????????????? GC????????????????????????????GC??????????????????????GC????GC???????????????????????????????GC??????????????????????????????????????????????????????????????? ???64????????????????????JVM?????64????????????64????JVM????GB???????·????????????????????????GC????????????????GC????????????????????????????·????????????????GC?????????????????????????????????????????????????????????????????SLA????????????????????·?????????????? ????????????????????????Java SE 7 Update 4????????GC?G1 GC?? G1 GC????????????????????????????????????????????????????????????GC???????????????????????????(????????)??????????????????????????????????????????????????????????????????????????????????????????? ??????G1 GC??????????????????????????????????????????? ??G1 GC?????????????????????????????????????????????????????????????????????????????????????????GC?????????????????????64????JVM????????·???????????????????????????????????????GC??????? ???????????????????????? ????????????????????????????????????????????OutOfMemory???????????????????????????????? WebLogic Server 12c?Java SE 7??????????????G1 GC???????????WebLogic Server 11g(10.3.6)??????????????????????GC????????JVM??????????-XX:+UseG1 GC????????????????? HTML5?Web????/?????????WebSocket?????????????????? ?????? Fusion Middleware?????? ?????????? ?????? ?????? Fusion Middleware???????WebLogic Server??????·???????????????????????·?????????Near future of WebLogic / ????WebLogic???????????????Web??????????HTML5???? ????????IT????????????????????1???????·?????????????????????????????????????????????????????????????HTML5?? HTML5???????HTML????????????HTML???Web????????????????????????HTML5???????????????????????????????????????????????HTML5????????/???????????????????????????????????WebWorker?????????????????????????????Web Storage???????API??????HTML5??????????????HTML??????????? ???HTML5??????????????????????WebSocket????????Web????/?????????????????????????? WebSocket????????????????????????(???????)?HTTP????????????????WebSocket????????WebSocket????????????????????????HTTP????????????????????????Web????/??????????????????? WebSocket??????????“??????Web”???????????????????????????????????????????????????????????????1???????????????????????HTTP???????????????????????????????????Comet????HTTP???????????????????????????????WebSocket???????????????????????????????????????????????????????????????? ?????????WebSocket????????????????????????????????????????????????????? WebSocket???????????????????????????? ?????? WebSocket???????(RFC 6455) ?????(Proposed Standard)??? WebSocket API(JavaScript)??(W3C) ????(Last Call Working Draft)??????2012?6?14???? WebSocket API Java EE??(JSR-356) Review Ballot??? ???? Web???? Google Chrome 16?Mozilla Firefox 11?Internet Explorer 10(PP5)?Safari 6??? ???·????? Jetty?jWebSocket?node.js?GlassFish 3.x????? ????????????????(RFC 6455)?????????JavaScript??????????????????????Java EE????????JSR-356?????????????????????????·????????????????????????????·??????????????? ??????????Java???????????????GlassFish????????????????????(JSR-356)??????????????·???·???????????????? ?WebSocket?WebLogic Server ??????????????WebSocket??WebLogic Server???????????????????? WebSocket????HTML5?????????????????????????????????HTML5?????????????????????Java EE?????????HTML5????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ???????HTML5?????????????????????????????????? ????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????????HTML5???????????Java EE??????????????????????????(???) ???????????????????????????????????????????????????????????????????????????????????Java EE?WebLogic?????????????????????????????????????????????????????

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• Getting apache to use ldap group and filesystem group information

  - by Angelo

  We have an Apache server which serves out of a particular directory, and just supplies a listing of files. From this directory, each subdirectory is owned by a certain group of users (at the filesystem level). User groups are determined by a posixGroup in ldap. Is there any simple way I can tell Apache to authorize access based on filesystem permissions, just like if the users were to access the filesystem from a shell? I would like to be able to simply add users/groups/directories without having to add another Directory or Location directive in Apache's conf?

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• zfs rename/move root filesystem into child

  - by Anton

  Similar question exists but the solution (using mv) is awful because in this case it works as "copy, then remove" rather than pure "move". So, I created a pool: zpool create tank /dev/loop0 and rsynced my data from another storage in there directly so that my data is now in /tank. zfs list NAME USED AVAIL REFER MOUNTPOINT tank 591G 2.10T 591G /tank Now I've realized that I need my data to be in a child filesystem, not in /tank filesystem directly. So how do I move or rename the existing root filesystem so that it becomes a child within the pool? Simple rename won't work: zfs rename tank tank/mydata cannot rename to 'tank/mydata': datasets must be within same pool (Btw, why does it complain the datasets are not within same pool when if fact I only have one pool?) I know there are solutions that involve copying all the data (mv, or sending the whole dataset to another device and back), but shouldn't there be a simple elegant way? Just noting that I do not care of snapshots at this stage (there are none yet to care of).

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• Filesystem to quickly get recent modifications

  - by liori

  Hello, I've got relatively big filesystem (ext4) with lots of small files and I'd like to backup it. Making full backups often is not feasible to me so I want to have a way to make differential/incremental backups (differential preferred). But... this is laptop, and scanning for changed files takes lots of time. My questions: 1) Is it possible to get list of files changed since some date from ext4's journal? I know it wasn't designed with this idea in mind, and it might be too small for bigger timespans, but maybe it is somehow possible? 2) Is it possible to monitor filesystem modifications and maintain a list of changed files reliably? I think I could use inotify, but this might be too slow to monitor full filesystem and might be unreliable. (by reliable I mean either I get all modifications since last backup (and this list is not missing anything) or an error message). Laptop runs Debian unstable.

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• Need information on a filesystem error:

  - by abc

  I have console access to an embedded linux device. This device has flash memory part of which is partitioned as a FAT filesystem. Its running linux-2.6.31. However I am seeing these errors on the console these days and the FAT file system becomes read only. 111109:154925 FAT: Filesystem error (dev loop0) 111109:154925 fat_get_cluster: invalid cluster chain (i_pos 0) 111109:154925 FAT: Filesystem error (dev loop0) 111109:154925 fat_get_cluster: invalid cluster chain (i_pos 0) I cannot understand why this happened? What is the root cause? And what is the fix? I would appreciate answers that can point me how to investigate the possible root cause of this issue on the device.

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• Only allow root to change filesystem

  - by Uejji

  The VPS I manage uses a simple hard link rsync archive daily backup system saved to a loop file. This is great, because each backup only takes up as much space as what has changed each day, and all user/group permissions are kept. I would like to give users direct access to their home directories in each backup, but I'm worried about intentional or accidental backup data destruction, as how it stands now users can actually change, destroy or add to backed up data they originally owned. I've been looking for a way to mount this filesystem similar to an ro mount option, but something that would still allow rw access to root, but I've had absolutely no luck. In other words, I want users to be able to view and copy their backed up data without actually being able to change it, and have that data maintain the original permissions. I've got no real preferences as far as filesystem, as long as it's a standard unix filesystem that can preserve permissions, support hard links and deny write access to users without actually stripping the w permission from everything.

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• iso9660 filesystem when remade with a slight change blows its size by 100M

  - by user1458001

  I have an iso 9660 filesystem image in which I need to edit just one file. I copied the files using cp -avf. When the files reach the destination, the sizes increase. That must be due to the increase in block size. But when I remake the iso9660 filesystem using mkisofs -J -U -r the sizes of the files remain the same and just a small editing in a file leads to a blow up of about 100M in the newly created iso image. I think I'm missing some option there, but I'm not able to find out in the manpage and google search. Some quick help would be greatly appreciated as I'm stuck. My host filesystem is ext3..if that's required.

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• IE9 - HTML5, Hardware Accelerated: First IE9 Platform Preview Available for Developers

  At the MIX conference, we demonstrated how the standard web patterns that developers already know and use broadly run better by taking advantage of PC hardware through IE9 on Windows. First, we showed IE9s new script engine, internally known as Chakra We shared the data and framework that informed our approach, and demonstrated better support for several standards: HTML5, DOM, and CSS3. We showed hardware-accelerated SVG support in IE9. Finally, we announced the availability of...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• HTML5 &lt;VIDEO/&gt; + IE9

  Yesterday at MIX Dean (general manager of the IE team) announced the availability of the first IE9 Platform Preview for developers. Dean also committed to updating the preview approximately every eight weeks. There is a good article on Beta News covering some of the technical details of the release. A key part of the announcements was the support for hardware accelerated HTML5 including supporting the video tag with the H.264 codec. What Im going to write next is based on a number of years of observations...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• HTML5 &lt;VIDEO/&gt; + IE9

  Yesterday at MIX Dean (general manager of the IE team) announced the availability of the first IE9 Platform Preview for developers. Dean also committed to updating the preview approximately every eight weeks. There is a good article on Beta News covering some of the technical details of the release. A key part of the announcements was the support for hardware accelerated HTML5 including supporting the video tag with the H.264 codec. What Im going to write next is based on a number of years of observations...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• L'état de compatibilité des navigateurs internet avec HTML5 et CSS3 présenté par un graphique intera

  Mise à jour du 14.05.2010 par Katleen L'état de compatibilité des navigateurs internet avec HTML5 et CSS3 présenté par un graphique interactif Tout est dit, ou presque, dans le titre. Un graphique disponible en ligne, et crée avec CSS3, traque les taux de prise en charge pour chaque nouvelle fonctionnalité HTML/CSS sur les navigateurs. Les différents browsers sont regroupés sous des camaïeux de couleurs. Par exemple, les différentes versions de Firefox se déclinent dans des bleus, Safari dans des jaunes, Chrome en orange, Internet Explorer dans des roses. Le graphique, de forme solaire, présente des rayons dont les couleurs d'arrière plan diffèrent en cas de fonctionnalité CSS3....

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• Testing HTML5 and javascript code for iPhone and Android devices

  - by Pankaj Upadhyay

  I have developed a simple HTML5 webpage that uses a javascript file. This is a fun learning page so I wanted to know as to how will they show up on mobile devices like iPhone and Android smartphones. The pages are hosted on a server and i have tested the thing on my desktop. But, how can i test the same for these mobile devices. i.e. how the page will look on mobile and stuff. I don't have an iPhone or Android. There is no serious development going in here so i was thinking if there is some free website or tool that acts as a iPhone or android browser. The main aim is just to see how the webpage will show up on an android phone.

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• Expérience HTML5 : Drag & Drop de dossiers, Chrome 21 apporte une solution à l'API

  Développez un système d'upload de fichiers et dossiers similaire à l'explorateur Windows Grâce aux nouvelles API apparues avec HTML5 il est d'ores et déjà possible de créer un système d'upload de fichiers et de dossiers reprenant le fonctionnement de l'explorateur Windows ou du Finder d'OS X. Malgré une bonne compatibilité pour la fonction de Drag & Drop, le cas d'un dossier reste problématique. En effet, lorsqu'un utilisateur veut mettre en ligne un dossier en le faisant glisser à l'endroit prévu, il s'attend à ce que le dossier et tout son contenu (sous-dossiers, fichiers) soient mis en ligne. Or jusqu'à présent ...

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• fast forward/streaming in html5 video? RTSP?

  - by karpodiem

  right now I've got a few .mp4's hosted on Amazon S3. I know that S3 has support for RTMP, which is useful for streaming Flash. I'd like to accomplish something similar with html5 video; my biggest issue is that I need the ability to seek (fast forward) to a particular part of the video. Right now when I query the video, it loads the entire video before playing, which is a waste of bandwidth/dealbreaker. In what manner could this be implemented? Is this even possible? Looks like RTSP would be a good bet, but I haven't found whether anyone has rolled this out successfully.

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• HTML5 web storage: can different websites overwrite each other’s data on a user’s computer?

  - by Deepak Mahalingam

  I have a few questions regarding the concept of HTML5 storage. I went through the w3c specification, books and tutorials on the same, but still I am a bit unclear about certain concepts: Assume that I access Website A. Some JavaScript runs in my browser that sets a key value pair, say ('username','deepak'). Then I access Website B which also adds a key,value pair in the localstorage as ('username','mahalingam'). How will they both be differentiated? Will Website B override the value set by website A in my localstorage? How can we ensure that a website would not erase all of my localstorage?

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• Is HTML5 the new buzzword? ( Web 2.0 was the old one )

  - by Atomiton

  Your thoughts on this? I'm hearing more and more people saying things like: "Is it html 5 compatible" "Can I make my website html 5" "Other html 5 question here..." What do you guys think? Is html5 the new buzzword? Obviously, it's more than a fad. It is the way things are going. But it seems like it's catching on in the mainstream. I don't think it will get as big as Web 2.0, mind you. Thought I'd ask a light question this Tuesday

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• With the introduction of the HTML5 <canvas> element, could Swing be implemented in GWT?

  - by knorv

  With the introduction of the HTML5 <canvas> element, could Swing theoretically be implemented in Google Web Toolkit (GWT) by using the <canvas> tag for drawing? I'm aware of efforts to port source code from using Swing calls to GWT calls, but what I'm after is a pure behind the scenes port where a Swing application would compile under GWT without any source code modifications. Is that theoretically possible? Why? Why not?

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• jwplayer embedded with recent flash with html5 back end cant hide controls or add autoplay and loop

  - by Daniel Redwood

  Hey all, After the unfortunate realization that Firefox is just not going to play nice with an embedded HTML5 video with my server set up, I've decided to go the JW Player route, since it's compatible with iPads and iPhones. I can get the file to show up on my page, but it's big and heavy. I would like for it to be just the video, no controls. Autoplay and on loop. Can you help me out? Here's the code... <div id="container">Loading the player ...</div> jwplayer("container").setup({ flashplayer: "jwplayer/player.swf", file: "Video/fernando.m4v", height: 520, width: 780, }); <script type='text/javascript' src='swfobject.js'></script>

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