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• Testez vos connaissances : premier quizz (X)HTML de la série, de niveau facile

  Nouveauté ! Prêt à tester vos connaissances ? L'équipe de la rédaction Web a le plaisir de vous annoncer son premier quizz ! Au fil des semaines à venir, diverses séries de quizz vous seront proposés afin que vous puissiez vous testez et connaître un peu mieux votre niveau en HTML et CSS. Ces questionnaires à choix multiples sont classés par niveau en commençant par du facile et se terminant par du difficile. Des "numéros hors série" vous seront aussi proposé dont le niveau sera plus ardu encore. Les trois séries de quizz sont les suivantes :facile : questions d'ordre général faisant appel aux ...

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• Make the Web Fast: Automagic site optimization with mod_pagespeed 1.0!

  Make the Web Fast: Automagic site optimization with mod_pagespeed 1.0! Ask and vote for questions at: bit.ly mod_pagespeed is an open-source Apache module that automatically optimizes web pages and resources on them: images, CSS, JavaScript, and much more. In this episode, we'll catch up with Joshua Marantz, the tech lead of the project at Google and talk about the history of mod_pagespeed, its fast growing adoption (130K+ sites!), technical architecture and how it works under the hood. Finally, we'll talk about the upcoming 1.0 release milestone for the project. If you're curious about mod_pagespeed, then this is definitely the show you won't want to miss! From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Science & Technology

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• Apache FilesMatch regexp: Can it match by the cache buster 10 digit (rails generated) following the filename?

  - by ynkr

  According to the apache FilesMatch docs: The FilesMatch directive provides for access control by filename Basically, I only want to set an expires header for resources that have a 10 digit "cache buster" id appended to the name. So, here is my attempt at such a thing in my httpd.conf <FilesMatch "(jpg|jpeg|png|gif|js|css)\?\d{10}$"> ExpiresActive On ExpiresDefault "now plus 5 minutes" </FilesMatch> And here is an example of a resource I want to match: http://localhost:3000/images/of/elvis/eating-a-bacon-sandwich.png?1306277384 Now obviously my FilesMatch regexp is not matching so I am guessing 1 of 2 things is happening. Either my regexp is wonky or the '?1231231231' cache busting part of the file is not part of what apache considers part of the filename. Can anybody confirm and/or give me a way to cache only those resources that will not persist beyond the next deploy?

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• Which is better? Native App or hybrid App?

  - by Prabakaran

  I want to develop a simple App for iOS, Android and windows phone. I just wondered that a simple HTML5, JS and CSS combination can work in all of these platforms. I want to know which one will be efficient? No problem with time and coding. But if i can achieve everything with HTML5-JS itself, i will chose Hybrid development. I want to know the major difference between the Native and Hybrid Development with example(I know that the main difference is HTML5-JS supports cross platform). Note : I am not making a game app.

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• Where is a Web Development Career fueled by Passion?

  - by JMC Creative

  Quick Background Since learning basic html 5 years ago, I've become completely obsessed with the technology, the logic, and the thrill of solving problems involved with building websites. I am still stuck at a thoroughly non-programming type job, but would really like to move into the field of web programming/design. I have no educational background in the field (was trained as a fine artist and tutor), but in the past few years have progressed fully self-taught (and self-motivated) from html to css to php, mysql, jquery, and am now building rich web applications. The Question How can I prove to a company that even though I have no education, I have a passion to learn whatever is thrown my way? ...That essentially I would come at every issue with not only knowledge, but with a passionate desire to solve it, whether that means tackling a new language or debugging code for hours at a time? p.s. Sorry for the stupid title.

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• What Languages are mostly understood "intuitively" and could benefit from a more formal learning approach?

  - by keppla

  In a presentation, i stumbled upon the Statement "JavaScript is a Language everybody uses, yet nearly noone seems to find it neccessary to learn how it works". And indeed, not many of the programmers i know could explain javascript's prototype concept, or why functions need to be 'bound' to this. CSS seems to be another example of this behaviour: everyone knows how to put a 'class' to an element, and to write a style .myclass { ... }, but only a few even know of margin-collapse. My question is: are there more of those languages, technologies, concepts, that are so prevalent that we dont even notice them as something worth learning while we use them?

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• Request of some opinions about a vertical menu style and some suggestions for the site style [on hold]

  - by AndreaNobili

  I am developing a simple mainly static website using WordPress (because maybe in the future I will add some dynamic content) for a company. The new site have to follow the structure of the old site that requires the presence of a vertical main menu in the left column that contains the link to all the statics pages in the site. This is the old site structure: http://www.saranistri.com/ Now I have installed a new WordPress test site (this is only a test site): http://onofri.org/example/ As you can see in the left columns I have put two main menu vetical widgets that implements a possible choise for the maun menù (the top menù upon the header must be eliminated in the final implementation) I want to know some opinions about: 1) Which of the two version is better? Do you have some additional ideas about the CSS style of this vertical menu? 2) What could I do to give a more professional look to this site? (I know that I have to insert a logo into the header) Tnx Andrea

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• Adobe annonce la disponibilité du runtime AIR 2, une solution multiplateforme encore plus performant

  Mise à jour du 14.06.2010 par Katleen Adobe annonce la disponibilité du runtime AIR 2, une solution multiplateforme encore plus performante Adobe vient de présenter la version 2 de son moteur AIR, qui permet à des applications écrites avec différents langages (HTML, CSS, JavaScript, ActionScript d'Adobe ; une version récente du webkit offre le support de certaines parties des CSS3 et de certaines fonctions HTML5) de fonctionner à l'identique sur Mac OS X, Windows et Linux (et même Android). Une solution multiplateforme dont le moteur JavaScript serait deux fois plus rapide, et qui réduirait de 30% la consommation mémoire des applications AIR s'appuyant sur le framework flex et tournant avec cette ver...

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• Why Can't Computers Off My Network See the Site? [migrated]

  - by nmagerko

  Have just set up Apache, PHP, MySQL, etc. on my Ubuntu OS, and I was wondering why computers that are not on my network can not see the basic index.html that Apache uses as the default. I set up the static ip address for my computer, and I use 192.168.1.100 for computers to view the simple site. Is there something I am missing that will allow others to access my site? (It is REALLY simple; no graphics, CSS, etc.)

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• Make the Web Fast: Automagic site optimization with mod_pagespeed 1.0!

  Make the Web Fast: Automagic site optimization with mod_pagespeed 1.0! mod_pagespeed is an open-source Apache module that automatically optimizes web pages and resources on them: images, CSS, JavaScript, and much more. In this episode, we'll catch up with Joshua Marantz, the tech lead of the project at Google and talk about the history of mod_pagespeed, its fast growing adoption (130K+ sites!), technical architecture and how it works under the hood. Finally, we'll talk about the upcoming 1.0 release milestone for the project. If you're curious about mod_pagespeed, then this is definitely the show you won't want to miss! From: GoogleDevelopers Views: 2 0 ratings Time: 01:05:06 More in Science & Technology

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• Converting obj data to CSS3D

  - by Don Boots

  I found a ton of formulae and what not, but 3D isn't my forte so I'm at a loss of what specifically to use. My goal is to convert the data in an 3D .obj file (vertices, normals, faces) to CSS3D (width, height, rotateX,Y,Z and/or similar transforms). For example 2 simple planes g plane1 # simple along along Z axis v 0.0 0.0 0.0 v 0.0 0.0 1.0 v 0.0 1.0 1.0 v 0.0 1.0 0.0 g plane2 # plane rotated 90 degrees along Y-axis v 0.0 0.0 0.0 v 0.0 1.0 0.0 v 1.0 1.0 0.0 v 1.0 0.0 0.0 f 1 2 3 4 f 5 6 7 8 Could this data be converted to: #plane1 { width: X; height: Y; transform: rotateX(Xdeg) rotateY(Ydeg) rotateZ(Zdeg) translateZ(Zpx) } #plane2 { width: X; height: Y; transform: rotateX(Xdeg) rotateY(Ydeg) rotateZ(Zdeg) translateZ(Zpx) } /* Or something equivalent such as transform: matrix3d() */ In summary, while this may be too HTML/CSS-y for game development, the core question is how to get the X/Y/Z-rotation of a 4 point plane from it's matrix of x,y,z coordinates?

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• debian (stable), google chrome, sencha and tranparency [closed]

  - by Kim Alders

  I am a bit unsure where to post this, but i guess it should be here, as it has to do with rendering in a browser. We have a sencha touch 1.1 application running in Google Chrome. On mij own computer (ubuntu) there are no problems. On the touch screen attached to a computer running debian-OS, transparency is shown as semi-transparent. It happens on sliders. Sliders have a button on them. This button is rendered bij sencha with CSS. It is NOT an image. Anyone has any idea how to get it 'nice' on debian too

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• 44 Tips for Front End Web Devs (Part 1)

  - by Geertjan

  HTML, JavaScript, and CSS development in NetBeans IDE is fairly new, especially the integrated features of all the editors with the browser. In this screencast, newbies (and even those who have used NetBeans for many years) get a series of tips and insights into using NetBeans IDE in the context of HTML5 development. For example, useful keyboard shortcuts, plugins such as Emmet, and much much more is covered: Part 2 of this series, which is also the final part, is set to be published tomorrow. Note: The outline of the screencast is found in yesterday's blog entry!

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• ASP.NET Performance Framework

  At the start of the year, I finished a 5 part series on ASP.NET performance - focusing on largely generic ways to improve website performance rather than specific ASP.NET performance tricks. The series focused on a number of topics, including merging and shrinking files, using modules to remove unecessary headers and setting caching headers, enabling cache busting and automatically generating cache busted referneces in css, as well as an introduction to nginx. Yesterday I managed to put a number...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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• What advantages are conferred by using server-side page rendering?

  - by user1303881

  I am developing a web app and I have currently written the entire website in html/js/css and on the backend I have servlets that host some RESTFUL services. All the presentation logic is done through getting json objects and modifying the view through javascript. The application is essentially a search engine, but it will have user accounts with different roles. I've been researching some frameworks such as Play and Spring. I'm fairly new to web development, so I was wondering what advantages using server side page rendering would provide? Is it: Speed? Easier development and workflow? Access to existing libraries? More? All of the above?

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• Google Chrome Browser does not display the images from Local network or local host? [migrated]

  - by Arjang

  While developing and testing a site on local network I have noticed that while IE/FireFox would display the images coming from URL's like "http:\mypc" or "http:\localhost" or ip adress on the netwrok , google chrome on Galaxy, Windows Machine, or google Android will not display the images. After having burned too many hours trying various CSS, image src tag, html document description tricks, I have given up. During my search I found (and lost) the link to chrome forums regarding this issue that seemed to say it is just so by users. Anyone has any more information on weather it is possible to view images on local host/computer name on netwrok or ip adress?

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• Screencast: "Unlocking the Java EE Platform with HTML5"

  - by Geertjan

  The Java EE platform aims to increase your productivity and reduce the amount of scaffolding code needed in Java enterprise applications. It encompasses a range of specifications, such as JPA, EJB, JSF, and JAX-RS. How do these specifications fit together in an application, and how do they relate to each other? And how can HTML5 be used to leverage Java EE? In this recording of a session I did last week at Oredev in Malmo, Sweden, you learn how Java EE works and how it can be integrated with HTML5 front ends, via HTML, JavaScript, and CSS.

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• Can't load Wordpress static files on home network

  - by Tosho

  I've just installed Wordpress 3.5 on my laptop (LAMP on Ubuntu 12.10) and when I'm trying to access the site from my phone but it doesn't load static files (css and images). I tried with Opera Mobile Emulator on my laptop and it works perfectly. I also have another Drupal site on my localhost which I can load from my phone without any issues. Both directories have chmod 777 permissions. What can cause that? Just tried to open the site from my sister's laptop but it except static file I can't access any post or page.

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• ASP.NET Menu, NavBar And Pager Performance Improvements v2010 vol 1

  Check out the improvements weve made to some of our ASP.NET controls in the DXperience v2010.1 release. We changed the rendering of our ASP.NET AJAX Menu, Navigation Pane and Pager controls. The controls now use semantic rendering combined with advanced CSS styles, which results in a dramatic decrease of HTML output, improved performance and a reduction in the servers workload. Also, several of our other ASP.NET controls like the ASPxGridView and ASPxScheduler also benefit because The primary...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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• .htaccess and browser caching

  - by Tim

  I ran across these suggested htaccess edits. Is this a good practice? Is this something I should implement on my wordpress site?: <IfModule mod_expires.c> ExpiresActive On ExpiresByType image/jpg "access plus 1 year" ExpiresByType image/jpeg "access plus 1 year" ExpiresByType image/gif "access plus 1 year" ExpiresByType image/png "access plus 1 year" ExpiresByType text/css "access plus 1 month" ExpiresByType application/pdf "access plus 1 month" ExpiresByType text/x-javascript "access plus 1 month" ExpiresByType application/x-shockwave-flash "access plus 1 month" ExpiresByType image/x-icon "access plus 1 year" ExpiresDefault "access plus 2 days" </IfModule>

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• jQuery 1.8 permettra de construire son propre build du framework JavaScript, sa déclinaison pour UI mobile également

  JQuery 1.8 permettra de construire son propre build Du framework JavaScript, sa déclinaison pour UI mobile également Nous l'avouons sans détour, c'est avec un peu de retard que nous nous faisons l'écho de la sortie de la pré-version de JQuery 1.8 et de la version officielle de JQuery Mobile 1.1.0. Mais comme dit le dicton, mieux vaut tard que jamais. Principale nouveauté de la pré-version 1.8 du Framework JavaScript, la possibilité de construire son propre build pour ajouter ou ne garder que les modules voulus (ajax, css, dimensions, effects, offset). Du côté de la version pour navigateurs mobiles du framework - qui permet de réaliser des UI tactiles (fortement inspirées d'...

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• How to clean unused app files

  - by Ando

  I've finished working on a web app and looking back at the process, I can see that a lot of extra files have been accumulated - backup css, php files, javascripts, images. I'm using an MVC workflow (codeigniter) and I would like to clean the app from unused files. There are also libraries which I've downloaded but referenced some of the files in my code, yet I've kept the unused files too. Total mess really, I'll take a note for the next app to become more organized. There is also a fair security concern regarding these sorts of situations, plus I think that it would be better to omit all the extra files when search engines are indexing the app. Has anyone been in that situation and what is the safest/fastest way to clean the app? My setup: MVC Codeigniter - Netbeans - Mac

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• When do I bite the bullet and hire a developer? [closed]

  - by Paul Seattle

  I have an awesome URL, I've had it since the mid 90's, and up until around 2002 I was having an awesome time writing music reviews and features into static pages and adding their URL to static index pages and everything was just great. Then things got complicated really fast, and for one reason or another I handed the site over to a very talented friend who turned it into a db based site run by cf. Now, here I am around twelve years later putting it all back together using mysql, php and css on a need-to-learn basis and even though I'm sooo close to where I want it to be I realize, erm, it should have been written using mysqli etc etc ad infinitum. So I'm wondering at what point do I just give in and hire a developer to take over, how much does it even cost, and how do I know I'm working with someone who is better than I am?

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• How to install libdvdcss?

  - by skwd

  I'm relatively new to Ubuntu and I'm trying to figure out how to play DVDs. I've read through a lot of forums, and got to the one asking how to read encrypted DVDs. I was able to do the first step and installed libdvdread4, but when I got to the second step of installing libdvdcss, I got what amounted to error messages. This is the command I ran: sudo /usr/share/doc/libdvdread4/install-css.sh Is there something important that I should know? As in, probably something basic that I don't know because I'm new...?

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• Participez à la traduction des spécifications HTML5 et CSS3 ! Rejoignez l'équipe de traducteurs et de relecteurs du projet

  Bonjour L'équipe web vient de se lancer dans un grand projet de traduction : traduire les spécifications CSS 3 et HTML 5. Pour développer ce projet, nous cherchons des traducteurs et des relecteurs anglais/français qui pourraient nous aider. Nous avons donc besoin de vous. Il n'est pas nécessaire d'avoir de grandes disponibilités, vous pourrez choisir dans une liste les modules ou sections que vous allez traduire en fonction de leur taille et du temps que vous pouvez y consacrer. Les relecteurs auront pour fonction d'effectuer une relecture croisée entre la version anglaise et française dans le but d'en vérifier la bonne traduction (respect du sens par rapport à la version originale, correction des tournures de phrases, des...

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