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• Qué control te gustaria?

  - by Jason Ulloa

  Cada vez, utilizó mas Jquery para enriquecer las aplicaciones que desarrollo, pero cada vez me doy cuenta de que siempre debo leer la documentación de los controles para poder recordar todas las funciones. Esto, sumado a la cantidad de código script que debo colocar en las páginas. Es por eso que decidi empezar a trabajar en una pequeña seríe de controles de Jquery para asp.net basado en el framework DJ Jquery. Por supuesto, una serie de controles OpenSource para la comunidad   Actualmente los controles disponibles son: * Accordion * Animation * Autocomplete * DatePicker * Dialog * Draggable * Droppable * Effect * FileUpload * FlexGrid (en desarrollo) * Floater Menu * JMenu (en desarrollo) * Jquery Plugin * Password Meter * ProgressBar * Resizable * Selectable * Slick Menu * Slider * Sortable * Tabs * ButtonEx * Toggle Button * Simple Button * Simple List View   Así que la idea es preguntarles: ¿Qué otro control les gustaría ver en la suite?   Saludos,

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• Cannot set Chrome as default browser

  - by user1951615

  This has been asked before but there is no answer that works for me. The last answer I saw said to use System Settings. If I look there (Details, Default applications, Web), it says that Chrome IS my default browser. But every time I launch Chrome, it asks me again. If I look within Chrome under Settings, Default Browser, it says that it is not the default browser. There is a large button marked "Make Google Chrome the default browser" but, as someone else as already reported, this button has no effect. I am on the stable channel for Chrome. I tried making a comment to the existing thread but was unable to. That is why I am asking as a new question.

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• What happened to .fx files in D3D11?

  - by bobobobo

  It seems they completely ruined .fx file loading / parsing in D3D11. In D3D9, loading an entire effect file was D3DXCreateEffectFromFile( .. ), and you got a ID3DXEffect9, which had great methods like SetTechnique and BeginPass, making it easy to load and execute a shader with multiple techniques. Is this completely manual now in D3D11? The highest level functionality I can find is loading a SINGLE shader from an FX file using D3DX11CompileFromFile. Does anyone know if there's an easier way to load FX files and choose a technique? With the level of functionality provided in D3D11 now, it seems like you're better off just writing .hlsl files and forgetting about the whole idea of Techniques.

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• What features of old computers helped you learn to be a better programmer?

  - by David Cary

  What features of old computers helped you learn to be a better programmer -- but don't seem to be available on new computers? I imagine that, while educational, you are really glad some features are gone, such as programs ran so slowly that I could almost see each pixel being plotted, so I got a visceral feel for the effect of various optimizations. I imagine other features you may be a little nostalgic for, such as I could turn on the computer, and write a short program that printed "Hello, World" on the printer, before ever "booting" a "disk". (I'm hoping that this is constructive enough to avoid the fate of the " What have we lost from computers 20 years ago ?" question).

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• How to reset the Xorg / xserver?

  - by thomas

  xserver keeps crashing on my general user account both in unity 3d and 2d. It doesn't do it on the guest account. That's why I want to reset / rollback everything xserver related, hoping this is going to fix it. Most answers on this involve sudo dpkg-reconfigure xserver-xorg. However, this does nothing for me (generates no output) and I read in other forums, that it's deprecated. So, what's the current way to reset all xserver / xorg options; what's the alternative to sudo dpkg-reconfigure xserver-xorg ? Thanks Edit: X crashes during work, not before login or so. And the effect of a crash is, that I get thrown out of the session, not a freeze or machine crash.

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• deactivate dynamic contrast on dell xps

  - by Rock

  I am experiencing annoying automatic backlight brightness changes under ubuntu 12.04 LTS on my Dell XPS ultrabook. It seems to be connected to the amount of white pixels on the screen (switching back an forth between dark/light application windows makes the effect noticable, but also just scrolling through a website.) So I think it is the dynamic contrast feature of the notebook screen. How do I turn this off in Ubuntu? Windows offers specific Intel driver options for this, but I can't find any for Ubuntu. EDIT: Model: Dell XPS 14 Ultrabook and currently running Unity

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• Multiple textures on a mesh created in blender and imported in xna

  - by alecnash

  I created a cube in blender which has multiple images applied to its faces. I am trying to import the model into xna and get the same results as shown when rendering the model in blender. I go through every mesh (for the cube its only one) and through every part but only the first image used in blender is displayed in every face. The code I am using to fetch the texture looks like that: foreach (ModelMesh m in model.Meshes) { foreach (Effect e in m.Effects) { foreach (var part in m.MeshParts) { e.CurrentTechnique = e.Techniques["Lambert"]; e.Parameters["view"].SetValue(camera.viewMatrix); e.Parameters["projection"].SetValue(camera.projectionMatrix); e.Parameters["colorMap"].SetValue(modelTextures[part.GetHashCode()]); } } m.Draw(); } Am I missing something?

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• Playing part of a sfx audio file in HTML5 using WebAudio

  - by Matthew James Davis

  I have compiled all of my sound effects into one sequenced .ogg file. I have the start and stop times for each sound effect. How do I play the individual effects? That is, how do I play part of an audio file. More specificially, I've created a dictionary { 'sword_hit': { src: 'sfx.ogg', start: 265, // ms length: 212 // ms } } that my play_sound() function can use to look up 'sword_hit' and play the correct audio file at the correct start time for the correct duration. I simply need to know how to tell the WebAudio API to start playing at start ms and only play for length ms.

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• Drawing a random x,y grid of objects within a prespective

  - by T Reddy

  I'm wrapping my head around OpenGL ES 2.0 and I think I'm trying to do something very simple, but I think the math may be eluding me. I created a simple, flat-ish cylinder in Blender that is 2 units in diameter. I want to create an arbitrary grid of these edge to edge (think of a checker board). I'm using a 3D perspective with GLKit: CGSize size = [[self view] bounds].size; _projectionMatrix = GLKMatrix4MakePerspective(GLKMathDegreesToRadians(45.0f), size.width/size.height, 0.1f, 100.0f); So, I managed to manually get all of these cylinders drawn on the screen just fine. However, I would like to understand how I can programmatically "fit" all of these cylinders on the screen at the same time given the camera location, screen size, cylinder diameter, and the number of rows/columns. So the net effect is that for small grids (i.e., 5x5) the objects are closer to the camera, but for large grids (i.e., 30x30) the objects are farther away. In either case, all of the cylinders are visible.

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• Why does pasting sometimes not work in gnome-terminal?

  - by Matthew

  Ctrl + Shift + C and Ctrl + Shift + V are supposed to replace the normal Ctrl + C and Ctrl + V in gnome-terminal. Sometimes they work, but usually they have no effect. What are some potential reasons for this? I'm not sure what other information to give. Edit: It seems that manually selecting Paste from the Edit menu does not work either. Right click > Paste works, but Edit > Paste does not. Copying works, but pasting does not. Also, I have vi-mode enabled (set -o vi in my ~/.bashrc). Could this have something to do with it? Edit: Here is a video demonstrating the problem. I used Screenkey (in "raw" mode, to catch "shift") to show what keys I am pressing.

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• High contrast theme Firefox problem

  - by user87239

  I am using the high contrast inverse theme in 12.04 as I am visually impaired. This generally works great but causes a problem in Firefox as entered text e.g into a Google search is white. As the text background is also white you cannot see what you are typing. I have read through a good thirty websites with similar issues but thus far nothing works. I have tried all the settings in Firefox like un-checking "Use System Defaults" as well as manually telling Firefox what colours to use and these setting have absolutely no effect on anything.

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• How to remap CapsLock key to Ctrl in Xubuntu

  - by Evgeny

  I'm trying to remap my CapsLock key to Ctrl key as described here (adding /usr/bin/setxkbmap -option "ctrl:nocaps" command to "Session and Startup"-"Application Autostart"). But this doesn't work in Xubuntu 12.04. When I'm running the same command (/usr/bin/setxkbmap -option "ctrl:nocaps") from terminal everything works as expected. If I change command to: sh -c "/usr/bin/setxkbmap -option \"ctrl:nocaps\"" it again works if I'm running it from terminal, but it doesn't work if I add it to xfce "Session and Startup" configurator. Also when I create a script like this: #!/bin/sh /usr/bin/setxkbmap -option "ctrl:nocaps" and add it to startup via "Session and startup" configurator, it has no effect at all. But if I run this script after login it actually remaps caps key as expected.

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• How do I change the volume control icon?

  - by Richard Oren Pincook

  I recently switched to gnome 3 (love it!), but the default icon theme was a little dreary and gray, so I switched that back to ubuntu-mono-dark. But now whenever I change my volume, I get this ugly pixelated icon show up. The forum says I don't have enough reputation to post an screenshot, but it's pixelated and ugly with these fuzzy straight blue lines that turn on as the volume goes up. I found identical images in the Humanity and Humanity-Dark icon themes (one example: /usr/share/icons/Humanity/status/24/audio-volume-high.png). I tinkered with the images by changing their names, temporarily deleting them, etc. But it had no effect on the ugly icon. What file is responsible for violating the beauty of my desktop?! Once I find it, I can replace it.

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• Which version of Ubuntu is recommended for app developers?

  - by Wes

  I've searched around Ask Ubuntu and the App Developer site, but I can't seem to find the answers to my questions. I'm wanting to get back into programming, and I'd eventually like get into app development for Ubuntu, but I'm not sure where to get started. Which version of Ubuntu is currently recommended for app development, especially for those wanting to publish their apps to the Software Centre? Should app developers use the current LTS release, or, can any of the new releases be used? Should developers use the 32-bit or 64-bit edition of Ubuntu, or does this not matter? What effect would the above choices have on the eventual publication of an app? I'm truly sorry if this has been covered elsewhere. Cheers Wes

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• Forward .html/.htm to .php with .config

  - by PhilipK

  I'm moving a site from my linux hosted server to a client's windows hosted server. The .htaccess file no longer works and I'm told that windows servers use .config . How can I forward all users accessing .html & .htm files to the equivalent .php file. Server Info... OS/Hosting Type: Windows / Shared Hosting .Net Runtime Version: ASP.Net 2.0/3.0/3.5 PHP Version: PHP 5.2 IIS Version: IIS 7.0 Data Center: US Regional EDIT *Hosting provided by GoDaddy Was told by a friend following should work but it has no effect on the site. <configuration> <system.webServer> <handlers> <add name="PHP-FastCGI" verb="*" path="*.html" modules="FastCgiModule" scriptProcessor="c:\php\php-cgi.exe" resourceType="Either" /> </handlers> </system.webServer> </configuration>

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• Unity 3D not Working on Acer D270 w/ Intel GMA 3600

  - by amol.kamath

  I recently bought myself an Acer Aspire One D270 with the GMA 3600 graphics chipset thinking I would get some lovely graphics. However, I am stuck using Unity 2D and I cant figure out how to enable 3D. None of the fixes I have found so far have worked. Another effect of this is that I cant change the backlight brightness. So whenever I open the lid, looking at the screen is like staring into the sun. Is there a driver for it in the works? Does the 3.4 kernel support the chipset and most of all is there a way to fix this? Please help

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• I want to consolidate two sites into a third. Will my search engine rankings be penalized if I rewrite and redirect pages one by one?

  - by Patrick Kenny

  I have two Drupal sites with different content-- let's call them Apple and Orange. I recently developed a much more sophisticated third Drupal site-- let's call it Tree. For a large number of reasons, the content on Apple and Orange is useful for the users of Tree, so I want to move the content to Tree. However, much of the content is out of date. (This whole process took about five years.) To update the content, I will rewrite it one article at a time myself. Now here's my question: if I move the articles one by one (as I rewrite them) and then redirect the old articles (using a 301 redirect) on Apple/Orange to the new site on Tree, will this have a huge negative effect on my search engine rankings? Is there a good way to redirect among sites when they merge like this, or would I be better off keeping the old articles on Apple/Orange and simply linking them to the new, rewritten articles on Tree?

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• Deleting ASP.NET application subdirectories causes application recycle!

  - by geekrutherford

  This may not be news to most people, but was definitely a shock to me!   In the .NET 2.x framework a "feature" was implemented where by an ASP.NET application is automatically recycled if any subdirectory is deleted. This was apparently implemented to prevent stale content from appearing on a site.   The unfortunate side effect of this "feature" is that when using the "InProc" model for session management, all session data is lost if a subdirectory is deleted.   For those who progammatically may be adding/deleting directories within their application as inherent functionality, this causes a rather large problem.   The solution? Create your folder(s) which may be programmatically deleted outside of the root folder for the application. Alernatively, utilize a file based structure vs. folders since deleting files does not result in the same issue.

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• Clicks counting and crawler bots

  - by Dennis

  I am currently running a small affiliate-program for Facebook users. We use an auto-poster to publish links to fan pages. Every hit is stored in our database and we have included a 24 hour reload block for the IP-addresses. My problem right now is that the PHP script also stores every hit from all the bots that crawls my website. Now I was thinking to block those bots with the robots.txt of my website but I am afraid that this will have a negative effect on my AdSense ads. Does anybody have an idea for me how to work this out?

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• How do I unlock a user account?

  - by John Kotrla

  I've been to system settings and to User Accounts. My account is the only one on the system and I have previously been able to UnLock the screen so that I could set my account to login without password prompt. That didn't make any effect on the system. I still have to enter a password to log in, but now I can't unlock the User Accounts dialog to make any changes at all. What do I need to reset? note how the unlock box in the upper right hand corner isn't available for selection...

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• Break the object body

  - by Siddharth

  In my game, I want to break the object body creating slicing effect. After research I found that I have to use ray casting but I don't know how to use it. If some one know how to break the physics body then please provide information to me. EDIT : I don't have any logic how to do that in andengine. Only I have some link to do slicing http://www.emanueleferonato.com/2012/03/05/breaking-objects-with-box2d-the-realistic-way/ Yes I have to slice physics body into two parts. My physics body have 2d objects.

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• My ubuntuone is broken, what is the problem?

  - by user6962

  I am on 10.10 and u1sdtool seems to be completely broken. I reinstalled it, no change. I can add my PC to the account, but it is added twice(!) every time I tried. So I have my netbook and two times my PC in the account. The netbook with 10.04 has no problems. Below is the error msg I get when attempting to startup Ubuntu One on the command line. desktop:~$ u1sdtool --status Oops, an error ocurred: Traceback (most recent call last): Failure: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. desktop:~$ Starting it from the Me Menu has the same effect, the HDD will get really busy for a minute and then nothing happens, the client will not start. Nothing in the syslog or anywhere.

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• ways to program glitch style effects

  - by okkk

  Most tutorials for generating glitch art usually has to do with some form of manipulation of the compression of files. Should my goal instead to replicate the look of these glitches in shaders or is it somehow possible to authentically generate the compression artifacts in real time? Example: This effect which I'm particularly interested is referred to as datamoshing. It does "things" using the p-frames of a video (frames that I think store just the change in pixels). I feel like I need a better understanding of both graphics programming and data-compression.

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• How to mimic the same fixed-size horizon as in this racing game?

  - by Aybe

  I am trying to replicate the same horizon (buildings and sky) as in the image below: As you can see, the player has advanced in a straight line, yet the horizon has still the same size: This is my attempt using 3D, while it's okay when the player is on the start line: It's not so great when the player advanced as much as in the image no. 2: This is an overview of where the horizon buildings and sky are located: Obviously this won't achieve such effect when one is close to it, so I've tried to scale up the horizon on all axes but the problem is that the buildings are too small depending where you look at them from. How can one mimic such rendering ?

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• OpenGL behaviour depending on the graphics card?

  - by Dan

  This is something that never happened to me before. I have an OpenGL code that uses GLSL shaders to texture a 3D model. The code involves a lot of GPU texture processing, blending, etc... I wanted to check how the performance of my code improves using a faster graphics card (both new and old are NVIDIA, using always the NVIDIA development drivers). But now I have found that once I run the code using the new graphics card, it behaves completely different (the final render looks wrong), probably because some blending effect is not performed correctly. I haven't really look into what has changed, but I am guessing that some OpenGL states are, by default, set different. Is this possible? Have you ever found different OpenGL/GLSL behaviour using different graphics cards? Any "fast" solution? (So far I've thought of plugging back the old one, push all OpenGL default states, and compare with the ones I initially get using the new card..)

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