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  • xubuntu 12.04 screen regularly stops refreshing, refreshing resumes after un-/re-maximizing a window

    - by user68477
    My screen frequently stops completely refreshing. I can make it resume refreshing by un-maximizing/re-maximize a window or by switching workspace (the un-/re-maximizing works every time. Switching workspace sometimes has to be done a couple of times). The immediate impression is that the system is frozen: there is apparently no reaction to anything I do but interestingly window title bar will change, if I switch application with (i.e alt+tab or browse through folders) I saw an identical issue in ubuntu 10.04, though a lot less frequent, I never saw this in ubuntu 12.04 (which I have been using the last 4-5 months). After switching to Xubuntu I'm seeing this again and more frequently. The specific reason I'm not sure this is a bug: I installed gnome-control-center which dragged in tons of packages. This was while trying to fix dual-screen setup. I believe the issue surfaced after this. I later meticulously removed every package from this batch (purge) in the hope that every setting would also be removed. But the issue has persisted. Another issue happened at the same time, it may be totally unrelated but it feels as if it is the same basic issue: the screen resolution of the greeter became less than the expected 1680x1050 and often after login there's just a blank and totally unresponsive wallpaper without panel so I have to force reboot. When the login is successful it's very clear that it works hard to determine the correct resolution which is achieved after a few blink to black screens. My questions: 1) Is this a settings issue or a bug? 2) How do I begin to research the issue - could I perhaps some way reset xubuntu/xfce to default. 3) If this is a bug where would be the most appropriate place report this? System: Thinkpad T500 ati radeon HD 3650 $ fglrxinfo display: :0.0 screen: 0 OpenGL vendor string: Advanced Micro Devices, Inc. OpenGL renderer string: ATI Mobility Radeon HD 3650 OpenGL version string: 3.3.11627 Compatibility Profile Context $ uname -a Linux srvname 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 21:33:09 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux xfce 4.10 Compiz 0.9.7.8

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  • Why won't my graphics work in Ubuntu 12.04 LTS?

    - by user170974
    I'm very new to Ubuntu and to Linux in general, and took the leap and formatted my PC to Ubuntu 12.04 LTS very recently :) I seem to be having some trouble getting my graphics card to run properly, I looked over what information I could find but I still cannot get it up and running and figured this was a good place to ask for help. The information I can find on my graphics is as follows: (Terminal command) lspci outputs: 01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS880M [Mobility Radeon HD 4225/4250] 02:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Madison [Mobility Radeon HD 5650/5750 / 6530M/6550M] I tried using a mixture of the following links: How do I fix my installation of ATI Catalyst Video Driver in 12.04 LTS? What is the correct way to install ATI Catalyst Video Drivers (fglrx)? Ubuntu Precise Installation Guide But it does not seem to work, since running fglrxinfo in terminal gives: display: :0.0 screen: 0 OpenGL vendor string: VMware, Inc. OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 0x301) OpenGL version string: 1.4 (2.1 Mesa 9.0.3) What am I doing wrong here? All help appreciated ;) Edit: I have tried the legacy driver from www2.ati.com/drivers/linux/amd-driver-installer-catalyst-13-4-linux-x86.x86_64.zip I also tried the guide at https://launchpad.net/~makson96/+archive/fglrx which caused the system to crash (blackscreen, no boot) Neither seemed to work. I did however reinstall ubuntu 12.04 LTS, and re-tried both with no success. Reintalling ubuntu did however fix the broken dependencies problems, etc.

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  • Logo Redesign Service

    Logos are most important part of any company?s identity. It gives a visual identity to a company, in another word it is a symbolic representative, the sight of which recalls about the brand. This sym... [Author: Alan Smith - Web Design and Development - May 27, 2010]

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  • Pizza and IntelliTrace at NextGenUG on 16 and 23 October 2012

    - by Tarun Arora
    Free Pizza and a session on diagnosing Production bugs using IntelliTrace. I’ll be presenting a session at the Next Gen User Group and you are more than welcome to join in, 16th October at Oxford – http://www.nxtgenug.net/ViewEvent.aspx?EventID=540  23rd October at Birmingham – http://www.nxtgenug.net/ViewEvent.aspx?EventID=524  I’ll be showing off the how IntelliTrace stand alone collector and Visual Studio stand alone profiler can help. See you there

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  • Is there a jQuery lightbox plugin that has thumbnails inside the box?

    - by Gabriel
    I'm trying to find a lightbox style plugin in jQuery that displays thumbnails at the bottom of the picture (or video, or whatever). I found plenty of lightbox plugins, but none that allows navigation by thumbnail inside the box. The plugin must be able to open images, swf and inline content. I realize that jQuery will not be able to generate the thumbnails and that's ok. Do you have any good ones to suggest? Thanks

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  • Blender/POV-Ray differences

    - by Magnap
    I am currently following a tutorial for Blender, but came across POV-Ray mentioned as a renderer. After having researched it a bit, i took a look at it's scene description (scripting) language, which kind of fascinated me. But, after even more googling of the topic, i am still wondering: What are the main and key differences between working with 3D in resp. Blender and POV-Ray? PS: I suspect this might not be the best place for a question such as this, but it seems to be the most suitable.

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  • Les Microsoft Days 2010 présentent dans toute la France les nouveautés technologiques, du 1er Avril

    Microsoft Days 2010 : Rencontres Techniques, Rencontrez des experts pour enrichir vos connaissances Du 1er Avril au 15 Juin, les partenaires Microsoft viennent à la rencontre des développeurs et professionnels de l'informatique en organisant des événements en région, sponsorisés par les Microsoft Days. Au programme de ces journées : - tour d'horizon des derniers lancements comme Office 2010, SQL Server 2008 R2, Visual Studio 2010, SharePoint 2010, Windows Azure, etc. - démonstrations live pour vous permettre de découvrir et d'explorer les dernières innovations, résolument tournées vers l'utilisateur. D'autres thématiques seront abordées selon les étapes, parmi lesquelles Windows Server...

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  • Provisioning a New SQL Server Instance – Part Two

    So how should you install and configure SQL Server 2012 properly? Glenn Berry completes his two-part series by explaining the steps needed to complete the preparation and do the actual installation. Keep your database and application development in syncSQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

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  • How to get a "Maximize" button in every window in GNOME Fallback

    - by RockKeyman
    Just installed Ubuntu 11.10 (AMD64), and immediately switched back to GNOME with GNOME Fallback. I'm searching for a feature which provided a "maximise" button in every window, even ones which should have only the "close" button. In older Ubuntu versions this feature was activated when switching from "None" to "Normal" in "Visual Effects": But now, that window is out, and I can't find that feature. I guess it's somewhere in CompizConfig, but I've searched there with no result. Does anyone know what's the feature I'm searching for?

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  • Graphics hardware warning when updating to 14.04

    - by pacomet
    As I use Ubuntu at work I just update only LTS versions but now I'm not sure if I can/should. As my computer is now ten years old I would change if was mine but as it is owned by my employer I have to work with it. It's not a bad one, it runs fine (this was not true when still had Windows on it ;-). When updating to 14.04, it warns about possible bad/slow performance with Unity 3D so I stop updating as I am at work, not my own computer. As I understand from http://askubuntu.com/a/438958/25305 Nvidia Geforce FX 5500 graphics card is still supported in 14.04. Now, in 12.04, I have driver version 173 and unity 2d runs fine for me. output of /usr/lib/nux/unity_support_test -p OpenGL vendor string: NVIDIA Corporation OpenGL renderer string: GeForce FX 5500/AGP/SSE2 OpenGL version string: 2.1.2 NVIDIA 173.14.39 Not software rendered: yes Not blacklisted: no GLX fbconfig: yes GLX texture from pixmap: yes GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: no Should I update? Is it better to stay with 12.04? Thanks

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  • How to distill / rasterize a PDF in Linux

    - by Sampo
    We have a printer at our office that prints PDF files from a USB stick. It prints most files okay, but it has problems with some, especially ones generated with Latex. Some PDFs it simply refuses to print, some PDFs it prints with courier-type font, and some it prints fine except for equations. I'm looking for a way to "distill" PDFs into a dead-sure format to print. Either by simplifying / normalizing the PDF to the point that any renderer will render it correctly, or by simply making each page a 600dpi raster image in the PDF. (I could split the PDF into individual raster images and combine them manually, but I want something scriptable.) The output file size doesn't matter, as long as it's sure to print, has A4 paper size (or the original) and 300~600dpi resolution.

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  • Is my JavaScript/jQuery methodology good? [migrated]

    - by absentx
    I am seeking critique on what has become my normal methodology of writing JavaScript code. I have become heavily reliant on the jQuery library, but I think this has helped me learn the native language better also. Anyway, please critique the following style of JavaScript coding... Buried are a lot of questions of scope; if you could point out the strengths and weaknesses of this style I would appreciate it. var critique ={ start: function(){ globalness = 'GLOBAL-GLOBAL'; //Available to all critique's methods var notglobalness = 'LOCAL-LOCAL'; // Only available to critiques start method //Am I using the "method" teminology properly here?? $('#stuff').on('click','a.closer-target',function(){ $target = $(this); if($target.hasClass('active')){ $target.removeClass('active'); } else{ $target.addClass('active'); critique.madness($target); } }) console.log(notglobalness+': at least I am useful at home'); console.log('note here that: '+notglobalness+' is no longer available after this point, lets continue on:'); critique.madness(notglobalness); }, madness: function($e){ //Do a bunch of awesomeness with $e, //but continue to keep it seperate because you think its best to keep things isolated. //Send to the next function when complete here console.log('Here is globalness, which is still available from the start method of critique!! ' + globalness); console.log('Let us see if the globalness carries on to a new var object!!'); console.log('The locally isolated variable of NOTGLOBALNESS is available here, because it was passed to this method. Let us show it:'+$e); carryOn.start(); } } //end critique var carryOn={ start: function(){ console.log('any chance critique.globalness will work here??? lets see: ' +globalness); console.log('it absolutely does'); } } $(document).ready(critique.start); (I always struggle with which of the Stack Exchange sites is best to post "questions of theory" like this, but I think Programmers is the best, if not, as usual a mod will move it, etc...)

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  • Reasons to Use a VM For Development

    - by George Stocker
    Background: I work at a start-up company, where one team uses Virtual Machines to connect to a remote server to do their development, and another team (the team I'm on) uses local IIS/SQL Server 2005/Visual Studio installations to conduct work. Team VM is located about 1000 miles from Team Non-VM, and the servers the VMs run off of are located near Team VM (Latency, for those that are wondering, is about 50ms). A person high in the company is pushing for Team Non-VM to use virtual machines for programming, development, and testing. The latter point we agree on -- we want Virtual Machines to test configurations and various aspects of the web application in a 'clean' state. The Problem: What we don't agree on is having developers using RDP to connect to a desktop remotely that contains Visual Studio, SQL Server, and IIS to do the same development we could do locally on our laptops. I've tried the VM set-up, and besides the color issue, there is a latency issue that is rather noticeable, not to mention that since we're a start-up, a good number of employees work from home on occasion with our work laptops, and this move would cut off the laptops. They'd be turned in. Reasons to Use Remote VMs for Development (Not Testing!): Here are the stated reasons that this person wants us to use VMs: They work for TeamVM. They keep the source code "safe". If we want to work from home, we could just use our home PCs. Licenses (I don't know what the argument is, only that it's been used). Reasons not to use Remote VMs for Development: Here are the stated reasons why we don't want to use VMs: We like working from home. We get a lot done on our own time. We're not going to use our Home PCs to do work related stuff. The Latency is noticeable. Support for the VMs (if they go down, or if we need a new VM) takes a while. We don't have administrative privileges on the VM, and are unable to change settings as needed. What I'm looking for from the community is this: What reasons would you give for not using VMs for development? Keep in mind these are remote VMs -- this isn't a VM running on a local desktop. It's using the laptop (or a desktop) as a thin client for a remote VM. Also, on the other side of the coin: Is there something we're missing that makes VMs more palatable for development? Edit: I think 'safe' is used in term of corporate espionage, or more correctly if the Laptop gets stolen, the person who stole would have access to our source code. The former (as we've pointed out, is always going to be a possibility -- companies stop that with litigation, there isn't a technical solution (so far as I can see)). The latter point is ( though I don't know its usefulness in a corporate scenario) mitigated by Truecrypt'ing the entire volume.

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  • Xnest from Mac OSX to HP UX

    - by Burbas
    Hi, I'm trying to connect to my HP/UX machine from Mac OS X using Xnest. The problem is that I can not get the keyboard to work. I can see the login-prompt, but unable to type in my username. The connection is done by: Xnest :1 -query 192.168.0.193 -geometry 1280x1024 and it gives me some errors: (EE) AIGLX error: dlopen of /usr/X11/lib/dri/swrast_dri.so failed (dlopen(/usr/X11/lib/dri/swrast_dri.so, 5): image not found) (EE) GLX: could not load software renderer (EE) XKB: Couldn't open rules file /usr/X11/share/X11/xkb/rules/base (EE) XKB: No components provided for device Virtual core keyboard Couldn't get keyboard. I hope there is someone here who might have the answer :-).

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  • Solving the SQL Server Multiple Cascade Path Issue with a Trigger

    This tip will look at how you can use triggers to replace the functionality you get from the ON DELETE CASCADE option of a foreign key constraint. Keep your database and application development in syncSQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

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  • SQL in the City - Boston 2012

    A free day of training in Boston on Oct 8, 2012. Come join Grant Fritchey, Steve Jones and more to talk about SQL Server and how you can work more efficiently. Keep your database and application development in syncSQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

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  • Rendering multiple squares fast?

    - by Sam
    so I'm doing my first steps with openGL development on android and I'm kinda stuck at some serious performance issues... What I'm trying to do is render a whole grid of single colored squares on to the screen and I'm getting framerates of ~7FPS. The squares are 9px in size right now with one pixel border in between, so I get a few thousand of them. I have a class "Square" and the Renderer iterates over all Squares every frame and calls the draw() method of each (just the iteration is fast enough, with no openGL code the whole thing runs smootlhy at 60FPS). Right now the draw() method looks like this: // Prepare the square coordinate data GLES20.glVertexAttribPointer(mPositionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, vertexStride, vertexBuffer); // Set color for drawing the square GLES20.glUniform4fv(mColorHandle, 1, color, 0); // Draw the square GLES20.glDrawElements(GLES20.GL_TRIANGLES, drawOrder.length, GLES20.GL_UNSIGNED_SHORT, drawListBuffer); So its actually only 3 openGL calls. Everything else (loading shaders, filling buffers, getting appropriate handles, etc.) is done in the Constructor and things like the Program and the handles are also static attributes. What am I missing here, why is it rendering so slow? I've also tried loading the buffer data into VBOs, but this is actually slower... Maybe I did something wrong though. Any help greatly appreciated! :)

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  • MySQL Workbench 6.2.1 BETA has been released

    - by user12602715
    The MySQL Workbench team is announcing availability of the first beta release of its upcoming major product update, MySQL  Workbench 6.2. MySQL Workbench 6.2 focuses on support for innovations released in MySQL 5.6 and MySQL 5.7 DMR (Development Release) as well as MySQL Fabric 1.5, with features such as: A new spatial data viewer, allowing graphical views of result sets containing GEOMETRY data and taking advantage of the new GIS capabilities in MySQL 5.7. Support for new MySQL 5.7.4 SQL syntax and configuration options. Metadata Locks View shows the locks connections are blocked or waiting on. MySQL Fabric cluster connectivity - Browsing, view status, and connect to any MySQL instance in a Fabric Cluster. MS Access migration Wizard - easily move to MySQL Databases. Other significant usability improvements were made, aiming to raise productivity for advanced and new users: Direct shortcut buttons to commonly used features in the schema tree. Improved results handling. Columns have better auto-sizing and their widths are saved. Fonts can also be customized. Results "pinned" to persist viewing data. A convenient Run SQL Script command to directly execute SQL scripts, without loading them first. Database Modeling has been updated to allow changes to the formatting of note objects and attached SQL scripts can now be included in forward engineering and synchronization scripts. Integrated Visual Explain within the result set panel. Visual Explain drill down for large to very large explain plans. Shared SQL snippets in the SQL Editor, allowing multiple users to share SQL code by storing it within a MySQL instance. And much more. The list of provided binaries was updated and MySQL Workbench binaries now available for: Windows 7 or newer Mac OS X Lion or newer Ubuntu 12.04 LTS and Ubuntu 14.04 Fedora 20 Oracle Linux 6.5 Oracle Linux 7 Sources for building in other Linux distributions For the full list of changes in this revision, visit http://dev.mysql.com/doc/relnotes/workbench/en/changes-6-2.html For discussion, join the MySQL Workbench Forums: http://forums.mysql.com/index.php?151 Download MySQL Workbench 6.2.1 now, for Windows, Mac OS X 10.7+, Oracle Linux 6 and 7, Fedora 20, Ubuntu 12.04 and Ubuntu 14.04 or sources, from: http://dev.mysql.com/downloads/tools/workbench/ On behalf of the MySQL Workbench and the MySQL/ORACLE RE Team.

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  • Sortie de la version 0.3 de Dvp.NET, la librairie .Net open source regroupant des fonctionnalités issues des membres du club Developpez.com

    La version 0.3 de la librairie Dvp.NET est disponible ! [IMG]http://dvp-net.developpez.com/images/logo-dvp.net.png[/IMG] En plus des nouvelles fonctionnalités, améliorations et corrections de bugs, la grosse nouveauté de cette version est le déploiement avec NuGet, qui va permettre de faciliter l'utilisation de Dvp.NET dans vos projets (si vous utilisez Visual Studio 2010). NuGet est un gestionnaire de packages : vous sélectionnez la librairie que vous souhaitez utiliser dans une liste, et NuGet se charge de tout

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  • When to use Euler vs Axis angles vs Quaternions?

    - by manning18
    I understand the theory behind each but I was wondering if people could share their experiences in when one would use one over the other For instance, if you were implementing a chase camera, a FPS-style mouse look or writing some kinematic routine, what would be the factors you consider to go with one type over the other and when might you need to convert from one form of representation to the other? Are there certain things that only one system can do that the others can't? (eg smooth interpolation with quaternions)

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  • YouTube: Realtime Graph Sharing on the NetBeans Platform

    - by Geertjan
    Yet another really cool movie by the Maltego team in South Africa, this time showing Visual Library widgets in their NetBeans Platform application shared in realtime between different users of the Maltego open source intelligence gathering and analytics software: What you see above is Maltego CaseFile. Below you find out more about it in the latest blog entry on the Maltego site: http://maltego.blogspot.be/2013/11/maltego-casefile-v2-released.html

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  • More Server Variables in ASP.NET 3.5

    The first part of this series served as a basic introduction to server variables and their application in ASP.NET 3.5. You learned how to output server variables using classic ASP tags and using ASP.NET visual basic code file. This article will pick up where the previous part left off.... GoGrid Cloud Center Connect Cloud and Dedicated Servers on Your Private Data Center

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