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• Question about JPanel "transition" for Java Swing

  - by user16778

  I want to make like a sort of main menu (in GUI). When the user clicks the start button, the screen transition into another "screen" (JPanel). This image will make it easier to understand. http://i.imgur.com/Cfdry.png Currently, I have a MainMenu extends JPanel and that gets added into a driver class with a JFrame. I can't figure how to switch to another class like Game extends JPanel. So when the user clicks the start button in MainMenu, I want it to somehow hide itself and the Game to show itself. Thanks.

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• Will these type of 403 errors affect my ranking?

  - by Gkhan14

  Let's say I have a directory that has a 403 forbidden error for all of the content in it, however a few of the images in the subdirectoies of the main diretory do NOT have a 403 forbidden error. Will this fact affect my ranking? For example: test.com/system/ (HAS 403 ERROR FOR ALL FILES) - test.com/system/pie/ (HAS 403 ERROR FOR ALL FILES) - test.com/system/pie/image.png (DOES NOT HAVE A 403 ERROR, AND THIS IMAGE IS EMBEDED ON A PAGE ON test.com e.g(test.com/pie/)) This sort of pattern repeats for about 10 different images. This directory is like a secret "system", however all of the content on the main site (test.com) is still accessible to everyone from the public.

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• Oversizing images to produce better looking pages?

  - by Joannes Vermorel

  In the past, improper image resizing used to be a big no-no of web design (not mentioning improper compression format). Hence, for years I have been sticking to the policy where images (PNG or JPG) are resized on the server to match the resolution pixel-wise they will have with the rendered page. Now, recently, I hastily designed a HTML draft with oversized images, using inline CSS style such as width:123px and height:123px to resize the images. To my (slight) surprise, the page turned out to look much better that way. Indeed, with better screen resolution, some people (like me), tend to browse with some level of zoom (aka 125% or even 150% zoom), otherwise fonts are just too small on-screen. Then, if the image is strictly sized, the enlarged image appears blurry (pixel interpolation effect), but if the image is oversized the results is much better. Obviously, oversizing images is not an acceptable pattern if your website is intended for mobile browsing, but is there case where it would be considered as acceptable? Especially if the extra page weight is small anyway.

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• Zend dévoile son approche "Mobile First" de Zend Studio pour le développement d'applications mobiles multiplateformes

  Zend dévoile son approche "Mobile First" de Zend Studio Pour le développement d'applications mobiles multiplateformes Zend Technologies, la compagnie spécialisée en PHP, a dévoilé lors de sa dernière conférence annuelle une évolution majeure de Zend Studio. La nouvelle version du produit permet aux développeurs de créer des applications multiplateformes compatibles avec les principaux systèmes d'exploitation mobiles tels que Android et iOS. [IMG]http://www.developpez.net/forums/u51346-a17-i41.png[/IMG] Zend, fondée par Andi Gutmans et Zeev Suraski, lance une interface Cloud qui permet de créer par glisser-déposer des interfaces graphiques en ut...

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• How to make Firefox windows style less space consuming?

  - by chocobai

  Firefox takes up so much space on small screens, so I'm searching for solutions that make firefox' interface less space consuming on ubuntu 12.04 with gnome3. Good examples are the chromium-style, but chromium is kind of slow in gnome3. Chromium does it, firefox on osx does it. Is this also possible on ubuntu via a custom modification or something? Here a screenshot of what I am thinking about: Firefox on OSX: https://wiki.mozilla.org/images/5/50/Firefox-4-Mockup-i06-%28OSX%29-%28TabsTop%29-%28Persona%29.png Thanks for your help.

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• Facebook dépasse Google et devient le site le plus populaire aux états unis, selon les dernières sta

  Facebook.com dépasse Google.com sur le nombre de visites Quand les réseaux sociaux s'emparent du Web Une récente analyse effectuée depuis Mars 2009 montre que le site communautaire Facebook dépasse de 0.04% le géant des moteurs de recherche. [IMG]http://www.livesphere.fr/images/dvp/Facebook-Google.png[/IMG] La perpétuelle évolution des réseaux sociaux montre l'intérêt qu'on les internautes pour ces derniers et permet d'entrevoir concrètement l'importance de ces réseaux sur la toile. Tout autant, il apparait clairement que le nombre de visites est le plus important lors des vacances scolaires ou des évènements comme Noël,... Quand le web communauta...

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• Where are the systray icons for Dropbox in Ubuntu desktop 13.04 (minimal)?

  - by samvv

  I reinstalled Ubuntu desktop using the minimal CD image and the following command: $ sudo apt-get install ubuntu-desktop --no-install-recommends After that I used Ubuntu Software Center to make sure Unity supports application indicators: http://i.imgur.com/bYF162w.png. Everything works great, except for Dropbox. For some reason the icon doesn't appear in the tray, even though the application is running. Steam on the other hand runs just fine, so it seems like there is nothing wrong with the tray itself. According to this post the tray icons should be in /usr/shared/icons/hicolor/22x22/status but it doesn't contain any Dropbox icons. Neither do any of the other resolutions. The answer is a bit outdated, so I'm not entirely sure it is still applicable to the current version of Dropbox. I did the usual thing of reinstalling dropbox with: sudo apt-get purge nautilus-dropbox sudo apt-get install nautilus-dropbox But that didn't solve anything either. Does somebody know how to fix this issue?

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• Why does Google Analytics show false referrals?

  - by Peter Merrill

  Ever since Google revamped their Analytics interface I've been noticing a weird "bug" while viewing the "Real-Time" overview area. From this area I can obviously see live stats of visitors to my website but when I visit my website by opening a new tab (Chrome) and manually visit website the real time stats sometimes look like the image linked below. http://i.stack.imgur.com/mfniY.png Is there any reason why Google is saying that I was referred by Stack Overflow when I'm visiting my website from a new tab? Could this be something do to with how I installed the analytics on my site or could this be an issue with browser cookies? Have anyone else noticed this? I am mainly concerned about this because in the standard reporting area of my Analytics panel my referral stats are getting thrown off every time I visit my own website.

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• Any way to set up a grid for a board game in cocos 2d?

  - by Scott

  My first idea was to create a 2d array for my columns and rows, but it seems like there should be a better, or possibly cleaner, way to achieve this. Each square on the grid is going to have a background image, probably a .png although I might just draw the images with a draw method. Basically, I want to be able to drag and drop images onto the individual grid squares. I've been searching for a solution and the closest thing I can find is the tiled map solution. That just seems like a little overkill for what I'm trying to accomplish. Also, I don't know if this helps but i need my grid to be 12 by 12 and take up the entire width of the iphone screen.

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• what's wrong with this Lua code (creating text inside listener in Corona)

  - by Greg

  If you double/triple click on the myObject here the text does NOT disappear. Why is this not working when there are multiple events being fired? That is, are there actually multiple "text" objects, with some existing but no longer having a reference to them held by the local "myText" variable? Do I have to manually removeSelf() on the local "myText" field before assigning it another "display.newText(...)"? display.setStatusBar( display.HiddenStatusBar ) local myText local function hideMyText(event) print ("hideMyText") myText.isVisible = false end local function showTextListener(event) if event.phase == "began" then print("showTextListener") myText = display.newText("Hello World!", 0, 0, native.systemFont, 30) timer.performWithDelay(1000, hideMyText, 1 ) end end -- Display object to press to show text local myObject = display.newImage( "inventory_button.png", display.contentWidth/2, display.contentHeight/2) myObject:addEventListener("touch", showTextListener) Question 2 - Also why is it the case that if I add a line BEFORE "myText = ..." of: a) "if myText then myText:removeSelf() end" = THIS FIXES THINGS, whereas b) "if myText then myText=nil end" = DOES NOT FIX THINGS Interested in hearing how Lua works here re the answer...

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• How to move an object using X and Y coordinates in JavaScript

  - by Geroy290

  I am making a 2d game with JavaScript and HTML5 and am trying to move an image that I have drawn with JavaScript like so: //canvas var c = document.getElementById("gameCanvas"); var ctx = c.getContext("2d"); //baseball var baseball = new Image(); baseball.onload = function() { ctx.drawImage(baseball, 400, 425); }; baseball.src = "baseball2.png"; I'm not sure how I would move it though, I have seen many people seem to just type something like ballX and ballY but I don't understand where the actual x and y definition comes from. Here is my code so far: http://jsfiddle.net/xRfua/ I have a different image source but it is a local source so I couldn't include it. Thanks in a dvance for any help!

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• How do you get the total asset size (or total resource size) in an Android game?

  - by tom_mai78101

  In an Android Java project, there are two folders, asset and res. To me, I usually put some stuffs, like PNG files, sound files, etc. in either one of the two folder. When resources are increasingly becoming more and more in those folders, the time it takes to load them will increase. Therefore, a loading screen is a must in these situation. The total size is to be used in a loading screen, so that I can guess the average time it takes to load each resources, from 0 bytes to its individual resource file size. I only know that by adding all individual sizes in a respective order, I will then obtain the total asset or res folder size, simply by adding them up. So, when it comes to getting the total file size from either folder, how do you obtain their individual resource/object sizes, respectively? Thanks in advance.

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• Dev'Camps: les experts de Microsoft parcourent la France pour vous aider dans vos projets applicatifs

  Dev'Camps: les experts de Microsoft parcourent la France Pour vous aider dans vos projets applicatifs Microsoft organise une série d'événements à travers la France, et en ligne, sur ses plateformes et technologies du moment. Les Dev'Camps sont un nouveau format d'évènements, 100% développement, en direct avec les meilleurs experts Microsoft pour vous aider dans vos projets applicatifs. Les événements proposés seront regroupés au sein des Windows Phone Camps, Azure Camps, Web Camps, Windows Camps et ALM Camps. [IMG]http://ftp-developpez.com/gordon-fowler/DevCamps.png[/IMG] Les Windows Phone Camps permettront d'apprendre ce qu'il y'a de nouv...

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• Chrome : Roi, juste pour un jour, sur PC et un dimanche d'après StatCounter

  Chrome : Roi, juste pour un jour Sur PC et un dimanche d'après StatCounter Le chiffre est symbolique et l'on ne sait pas trop s'il ne restera pas plus comme un coup de publicité pour StatCounter que comme autre chose. Mais il n'en reste pas moins que pendant une journée, sur le segment des PC de bureau, Chrome a été le navigateur numéro 1 dans le monde. [IMG]http://ftp-developpez.com/gordon-fowler/StatCounter%2018%20Mars/Globalsmall.png[/IMG] Le 18 mars donc, le navigateur de Google a été plus utilisé qu'Internet Explorer. On remarquera que le 18 était un dimanche et que l'utili...

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• DoNotTrack activé par défaut dans Internet Explorer 10, des annonceurs mécontents menacent de ne pas respecter l'en-tête HTTP

  [IMG]http://blog.developpez.com/media/5341.png[/IMG] La prochaine version du navigateur de Microsoft, Internet Explorer 10, sera intégrée dans Windows 8. Elle proposera la fonctionnalité DoNotTrack (DNT) et elle sera activée par défaut ! Brendon Lynch, le responsable de la vie privée, relaye cette annonce, faite le 31 mai par Microsoft, via son blog : "Les utilisateurs pourront changer ce paramètre, mais par défaut le signal DNT sera envoyé aux sites web que les utilisateurs visitent". Une affirmation claire ! Pour ceux qui ne la connaissent pas, la fonction DoNotTrack rajo...

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• SkyDrive : Microsoft publie des SDK pour le Framework .NET et Windows Phone 8

  SkyDrive : Microsoft publie des SDK pour le Framework .NET et Windows Phone 8 Microsoft vient de publier de nouveaux SDK pour SkyDrive. Les kits de développement (SDK) pour SkyDrive vont permettre aux développeurs de créer des applications riches qui consomment ou enregistrent des données sur la plateforme d'hébergement Cloud de Microsoft. [IMG]http://rdonfack.developpez.com/images/logoskydrive.png[/IMG] Les SDK pour SkyDrive sont disponibles en deux versions. Une version pour le Framework .NET et une version pour Windows Phone 8. La version pour le Framework .NET est disponible en deux déclinaisons : Serveur...

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• HTML5 valid Google+ Button - Bad value publisher for attribute rel

  - by mrtsherman

  I recently migrated my website from xhtml transitional to html5. Specifically so that I could make use of valid block level anchor tags. <a><div /></a>. When running validation I encountered the following error: Bad value publisher for attribute rel on element link: Keyword publisher is not registered. But according to this page, that is exactly what I am supposed to do. https://developers.google.com/+/plugins/badge/#connect My code: <link href="https://plus.google.com/xxxxxxxxxxxxxxxx" rel="publisher" /> <a href="https://plus.google.com/xxxxxxxxxxxxxxx?prsrc=3" style="text-decoration:none;"> <img src="https://ssl.gstatic.com/images/icons/gplus-16.png" alt="" style="border:0;width:16px;height:16px;"/> </a> I can't figure out how to implement this in an html5 compliant way. Can anyone help?

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• Best way to slice up a non rectangular image?

  - by Hoff

  I have the image below and need to create a rollover for each "piece" or arrow in the circle. Because the image isn't rectangular, it boggles how me how I'm going to do this without having badly overlapping pieces. As you can see from the image below, the slices will overlap each other (quite a bit), which will not be good for the rollover. Does anybody have any ideas as to how to accomplish this without resorting to Flash or HTML5? The majority of our site's users use dinosaur browsers that don't support HTML5. Here's the link to the image: http://img812.imageshack.us/img812/3166/wheela.png

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• Spotlight on GlassFish 4.1: #6 Java API for WebSocket 1.1

  - by delabassee

  'Spotlight on GlassFish 4.1' is a series of posts that highlights specific enhancements of the upcoming GlassFish 4.1 release. It could be a new feature, a fix, a behavior change, a tip, etc. #6 Java API for WebSocket 1.1 JSR 356 (Java API for WebSocket) has recently passed the Maintenance Release ballot, this Maintenance Release fixes an important issue when Java SE 8 Lambdas are used (see here). GlassFish 4.1 will include an updated version of Tyrus (JSR 356 Reference Implementation) to bring the WebSocket API level to the latest version of the specification, i.e. WebSocket API for Java 1.1. It should be mentioned that the Tyrus version included in GlassFish 4.1 also brings additional features. Some of those will be highlighted in upcoming entries. https://blogs.oracle.com/theaquarium/resource/websocket_logo.png

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• No unity-greeter.conf file in /etc/lightdm/

  - by drofart

  I am running Ubuntu 12.04 with gnome-shell. I have two admin user accounts. Now, I used to know that in Precise we can set different different login wallpaper to different different user, so I tried with: sudo dbus-send --system --print-reply --dest=org.freedesktop.Accounts /org/freedesktop/Accounts/User1001 org.freedesktop.Accounts.User.SetBackgroundFile string:/usr/share/backgrounds/Green-wallpaper-27.jpg but to no avail. Then I tried sudo xhost +SI:localuser:lightdm sudo su lightdm -s /bin/bash gsettings set com.canonical.unity-greeter background '/path/to/the/wallpaper.png' It does change my login wallpaper but for all users. Then I tried to locate /etc/lightdm/unity-greeter.conf but I found that it is not there. So where is it and how can I set different login wallpapers for different users?

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• Windows Azure : J-2 avant le dev camp en direct sur Developpez.com, réservez votre mercredi

  Le 20 juin aura lieu la journée Dev Camp consacrée à Azure. [IMG]http://i.msdn.microsoft.com/hh868108.azure-camps(fr-fr,MSDN.10).png[/IMG] Cette journée est l'occasion de découvrir tous les services Cloud d'Azure (SQL Azure, Stockage avec Windows Azure Storage, Back-end, etc.), d'apprendre comment réaliser des projets et héberger des applications ? ou des sites webs - sur la plateforme. L'Azure Dev Camp abordera également les applications multi-tiers et la manière de « migrer, intégrer et étendre votre code et vos applications existantes grâce à Windows Azure ». Cette journée abordera aussi la construction d'APIs Web pour enrichir des applications mobiles iOS, Android et bien sûr Windows Phone. Enfin, le rendez-vous...

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• Bridge made out of blocks at an angle

  - by Pozzuh

  I'm having a bit of trouble with the math behind my project. I want the player to be able to select 2 points (vectors). With these 2 points a floor should be created. When these points are parallel to the x-axis it's easy, just calculate the amount of blocks needed by a simple division, loop through that amount (in x and y) and keep increasing the coordinate by the size of that block. The trouble starts when the 2 vectors aren't parallel to an axis, for example at an angle of 45 degrees. How do I handle the math behind this? If I wasn't completely clear, I made this awesome drawing in paint to demonstrate what I want to achieve. The 2 red dots would be the player selected locations. (The blocks indeed aren't square.) http://i.imgur.com/pzhFMEs.png.

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• Le réseau de Free une nouvelle fois en panne : avez-vous subi ce dysfonctionnement ?

  Le réseau de Free une nouvelle fois en panne Avez-vous subi ce dysfonctionnement ? [img]http://mobile.free.fr/images/logo.png[/img] Plusieurs utilisateurs du nouvel opérateur (dont moi) ont eu pour la deuxième fois des soucis avec le réseau mobile. La cause serait une nouvelle fois due à la panne d'un des deux équipements de signalisation du réseau. 19h45 : En redémarrant le téléphone, il est possible de retrouver le réseau. Cependant seulement certaines régions sont recouverte par le réseau et l'internet 3g reste inaccessible. 21h : Plusieurs abonnées freebox connaissent des soucis avec leur connexion internet. Les choses semblent depuis rentrées dans...

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• How do you handle unfound resources?

  - by concept3d

  For example your game expects a certain asset to be loaded what is the best way to handle it if the resource isn't found, for example: Texture* grassTexture = LoadTexture("Grass.png");// returns NULL as texture is not found. Mesh* car = LoadMesh("Car.obj");// returns NULL as 3d mesh is not found What if for some reason the resource wasn't found e.g. deleted by user, misspelling while in development ? Should I use Assertions (which is only useful while in development? Exit the game gracefully ? or even thrown an exception and try to handle it? On a separate question, if I used a handle system instead of pointers (which I am already working on) I don't see how this would help me recover from unfound resources, Does a handle system help in situations like this?

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• Microsoft Surface versus iPad 4 : comparaison au niveau du HTML5 par l'équipe Sencha

  Microsoft Surface versus iPad 4 : comparaison au niveau du HTML5 par l'équipe Sencha. [IMG]http://cdn.sencha.io/img/20121119-surface-vs-ipad-preview.png[/IMG] Sencha fournit des outils de développement pour bureau et mobile. Son équipe a mis l'iPad 4 et la tablette Surface de Microsoft à l'épreuve pour voir comment ils se débrouillent en tant que plates-formes HTML5. Le HTML5 est la prochaine génération de technologies Web qui est adoptée de plus en plus pour développer des applications qui peuvent être rédigées en une seule fois et exécutées sur plusieurs systèmes d'exploitation, les navigateurs et les périphériques. Les tests révèlent que l...

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