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• After upgrading to 13.10, biblatex and biber are not compiling my references

  - by Lewelma

  I am working on a thesis using LaTeX, with my references relying on biblatex-apa. Ubuntu 13.04 provided all my LaTeX needs. But after upgrading to 13.10, the biblatex / biber combo will no longer compile my APA-style references. No other changes have been made to my documents or references -- and the rest of the document appears fine (albeit with broken references and no bibliography). I found reference to a possible cause -- which is that biblatex 1.7-1 is incompatible with texlive 2013 (as available through the 13.10 repositories) -- and that issue may be fixed by biblatex 2.7a-1 which has been committed upsteam in Debian. See: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=718244 However, that doesn't help me much, as I need to compile my references quite soon. How can I get my references to compile in the meantime? Is there a patched biblatex or biber that I can manually slot in place? Is the upstream fix on its way? or do I need to go to TexLive and do a replacement install directly (which is not my preference). Thanks!

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• Removed Java replaced with newest "Sun Java", disc won't boot, and won't let me re-install grub using boot repair disc

  - by Al Rowe

  Had a minor problem with my Stock market platform. Set-up screen would freeze program. Called their tech support, got their "Linux guy", who advised remove all Java and replace, not with synaptic version, but newest Sun Java. After removing, computer auto rebooted, and went to blue mem-test screen. Showed no errors, but couldn't get back in. Tried two versions of boot repair disc from iso (checked md5sum, showed good.), but fix aborted, giving apt-error detected. Opened a terminal and typed (or copy/paste): sudo chroot "/mnt/boot-sav/sda1" apt-get -f install. My system is Ubuntu 12.04. Had a few very minor issues from install, all fixed. Also added some of my favorite gnome tricks just to make life easier, but none that could have caused this. Added script to add shortcuts to desktop, open terminal in any menu from inside it, access root terminal, etc. System was firewalled and using avast antivirus (o.k., I'm paranoid. Used to do Windows sys-op and security.) But relative newbie to Linux.

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• How do I fix a garbled screen on a Gateway LT3103u?

  - by paracaudex

  I've been having garbled screen problems on a Gateway LT3103u on Ubuntu for a while. I just did a fresh install of Ubuntu 11.10 and continue to have issues. I installed xubuntu-desktop in case the issues had to do with the sophisticated GNOME graphics. The problem is less bad, but it's still there. After a few minutes of using XFCE, the screen gets garbled. I assume this has something to do with the graphics card, but I don't know how to go about troubleshooting something like this. Where should I start? Update: Here is the description of the VGA card from lspci -vvv: 01:05.0 VGA compatible controller: ATI Technologies Inc RS690M [Radeon X1200 Series] (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] Device 028c Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast TAbort- SERR- [disabled] Capabilities: [50] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Kernel driver in use: radeon Kernel modules: radeon Update: Setting GRUB_CMDLINE_LINUX="nomodeset" in /etc/default/grub seems to have fixed it in both Ubuntu and xubuntu-desktop. I will test it for a day or so to see if the problems recur and then post more detail with some links to an explanation. Update 2: It is possible to use this fix for Nvidia card (GTX 260) when graphics is defective after 11.10 upgrade/install? First few restarts was graphic ok, then after few restarts begins suddenly be defective and it stay so. I must returned to 11.04 because this problem and I wait for 12.04. So I hope in this fix.

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• Java SE 6 Update 23 is released!

  - by [email protected]

  Java SE 6 Update 23 includes the following key changes: Java VisualVM 1.3.1 introduces the following features and enhancements:           o Added Java version and vendor information to the application Overview view           o Built on NetBeans Platform and profiler 6.9.1 Swing JMenuItem Corrections for right-to-left languages           o Non-default alignment and text orientation for the menu items in Swing have been fixed           o The position of the icon and the text where text used to overlap the icon in a menu item was corrected           o All platform Look and Feel configurations will now handle menu items in right-to-left language situations. Updated HotSpot 19 JVM Engine with improvements to overall performance and reliability. Additional Languages support in SuSE Linux Enterprise Server 10 and 11 on Chinese(Simplified), Chinese (Traditional), Japanese, and Korean locales. Supported system configuration, check - http://java.sun.com/javase/6/webnotes/install/system-configurations.htmlSee Release Notes for additional details.

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• Should ATI catalyst be installed for sake of openCL?

  - by G Sree Teja Simha

  I have a HP Envy 4 1025tx with Hybrid graphics. Although this is a 64bit system, I've installed 32bit Ubuntu on it for some reasons.(Hybrid graphics don't do well with 64bit Ubuntu.-"Some one on some forum") I had heating problems with the GPU but I've fixed them all with vgaswitcheroo. But now I wanted to use my Blender on my Ubuntu. To my surprise Blender didn't detect the dedicated 7670m card in my machine. I've confirmed with cat /sys/kernel/debug/vgaswitcheroo/switch Both IGD and DIS were up and running. I dont seem to have libopencl on my /usr/lib even though my synaptic manager says that I have installed it. I'm not quite sure what I've installed. It says that I've installed "ocl-icd-libopencl1". So my question is... Do I have opencl on my system? If not do I have to get propreitary ATI drivers for sake of opencl(fglrx wrecks up my unity totally on my system I need directions to fix it if this is the choice)? Should I get a 64bit Ubuntu installed on this system?

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• Can't start webcam for google video services

  - by wisemonkey

  I've got Ubuntu 11.10 64 bit and have installed the google video chat plugin. However webcam doesn't seem to work (black screen -- no video at all). For cheese it works but shows really bad (black and white kinda) image. Following some link I installed guvcview if I start it then image looks neat. Any suggestions on how can it be fixed? If it helps I've tried the solution: $ sudo mv /opt/google/talkplugin/GoogleTalkPlugin /opt/google/talkplugin/GoogleTalkPlugin.old $ sudo gedit /opt/google/talkplugin/GoogleTalkPlugin and putting following lines in: #!/bin/sh LD_PRELOAD=/usr/lib32/libv4l/v4l1compat.so /opt/google/talkplugin/GoogleTalkPlugin.old OR #!/bin/sh LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libv4l/v4l1compat.so /opt/google/talkplugin/GoogleTalkPlugin.old Cause I've both files. Finally $sudo chmod +x /opt/google/talkplugin/GoogleTalkPlugin.old I closed and reopened chrome then started gmail tried video call -- black screen :-/ Ok so today finally google+ provided me with trouble shoot link and advised me: The plug-in won't install If you're having trouble installing the plug-in, or are receiving a message asking you to reinstall it, you should check to make sure your configuration is right. To do so simply: Check to make sure the Google Talk Plugin Video Accelerator and Google Talk NPAPI Plugin are enabled. If you're using Chrome you can type about:plugins in your browser to display your plug-ins. Make sure you're not using Internet Explorer 64-bit (this is a browser version that is 64 bit as opposed to 32 bit). Ensure that you don't have any "click to run" extensions enabled. If you're still experiencing this issue after checking your configuration you can follow these steps: Refresh the browser page. Close any running Google Talk plug-in processes. Close all open and running browser processes. Restart your computer. Uninstall and then reinstall the plug-in. Try a different browser such as Google Chrome or Mozilla Firefox. I looked in about:plugins for chrome and firefox: I don't have Google Talk NPAPI Plugin, does that matter? and I thought its installed with google talk plugin or no?

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• CodePlex Daily Summary for Thursday, September 27, 2012

  CodePlex Daily Summary for Thursday, September 27, 2012Popular ReleasesVisual Studio Icon Patcher: Version 1.5.2: This version contains no new images from v1.5.1 Contains the following improvements: Better support for detecting the installed languages The extract & inject commands won’t run if Visual Studio is running You may now run in extract or inject mode The p/invoke code was cleaned up based on Code Analysis recommendations When a p/invoke method fails the Win32 error message is now displayed Error messages use red text Status messages use green textMCEBuddy 2.x: MCEBuddy 2.2.16: Changelog for 2.2.16 (32bit and 64bit) Now a standalone remote client also available to control the Engine remotely. 1. Added support for remote connections for status and configuration. MCEBuddy now uses port 23332. The remote server name, remote server port and local server port can be updated from the MCEBuddy.conf file BUT the Service or GUI needs to be restarted (i.e. reboot or restart service or restart program) for it to take effect. Refer to documentation for more details http://mce...LoLHQ - Personal League of Legends Assistant: LoLHQ v1.0: LoLHQ version 1.0 (full, portable) Instructions: - Download - Extract - Run LoLHQ.exe - If needed, specify League of Legends installation path.D3 Loot Tracker: 1.3.1 (patch): - Magic find value will now display properly and includes follower value. - ILevel of legendary items will now display properly.ZXing.Net: ZXing.Net 0.9.0.0: On the way to a release 1.0 the API should be stable now with this version. sync with rev. 2393 of the java version improved api better Unity support Windows RT binaries Windows CE binaries new Windows Service demo new WPF demoSSIS GoogleAnalyticsSource: Version 1.1 Alpha 2: The component uses now the Google API V2.4 including the management API.Ext Spec: Ext Spec 1.0.0: Completed remaining tasks: 7 12 17The GLMET Project: Sound Recorder: --WinRtBehaviors: V1.0.2: Includes simple Blend SupportMVC Bootstrap: MVC Boostrap 0.5.1: A small demo site, based on the default ASP.NET MVC 3 project template, showing off some of the features of MVC Bootstrap. This release uses Entity Framework 5 for data access and Ninject 3 for dependency injection. If you download and use this project, please give some feedback, good or bad!Simple PM - Project Management Simplified !: Simple Pm v1 - Aplha (Re-released): INSTALLATION GUIDE 1. Run the web setup, which will install the web app to IIS. 2. Make sure you select your application pool to "ASP.NET v4.0" during the installation. 3. Create a database named "SimplePm" 4. Run the attached database script on this database. 5. Change the database username and password in connection strings defined as SimplePmEntities and ApplicationServices from the Web.config file 6. Thats its ! Simple Pm are ready to go ! For any installation assistance feel free to c...menu4web: menu4web 1.0 - free javascript menu for web sites: menu4web 1.0 has been tested with all major browsers: Firefox, Chrome, IE, Opera and Safari. Minified m4w.js library is less than 9K. Includes 21 menu examples of different styles. Can be freely distributed under The MIT License (MIT).Rawr: Rawr 5.0.0: This is the Downloadable WPF version of Rawr!For web-based version see http://elitistjerks.com/rawr.php You can find the version notes at: http://rawr.codeplex.com/wikipage?title=VersionNotes Rawr Addon (NOT UPDATED YET FOR MOP)We now have a Rawr Official Addon for in-game exporting and importing of character data hosted on Curse. The Addon does not perform calculations like Rawr, it simply shows your exported Rawr data in wow tooltips and lets you export your character to Rawr (including ba...Coevery - Free CRM: Coevery 1.0.0.26: The zh-CN issue has been solved. We also add a project management module.VidCoder: 1.4.1 Beta: Updated to HandBrake 4971. This should fix some issues with stuck PGS subtitles. Fixed build break which prevented pre-compiled XML serializers from showing up. Fixed problem where a preset would get errantly marked as modified when re-opening the encode settings window or importing a new preset.JSLint for Visual Studio 2010: 1.4.0: VS2012 support is alphaBlackJumboDog: Ver5.7.2: 2012.09.23 Ver5.7.2 (1)InetTest?? (2)HTTP?????????????????100???????????Player Framework by Microsoft: Player Framework for Windows 8 (Preview 6): IMPORTANT: List of breaking changes from preview 5 Added separate samples download with .vsix dependencies instead of source dependencies Support for FreeWheel SmartXML ad responses Support for Smooth Streaming SDK DownloaderPlugins Support for VMAP and TTML polling for live scenarios Support for custom smooth streaming byte stream and scheme handlers Support for new play time and position tracking plugin Added IsLiveChanged event Added AdaptivePlugin.MaxBitrate property Add...WPF Application Framework (WAF): WPF Application Framework (WAF) 2.5.0.8: Version: 2.5.0.8 (Milestone 8): This release contains the source code of the WPF Application Framework (WAF) and the sample applications. Requirements .NET Framework 4.0 (The package contains a solution file for Visual Studio 2010) The unit test projects require Visual Studio 2010 Professional Changelog Legend: [B] Breaking change; [O] Marked member as obsolete WAF: Mark the class DataModel as serializable. InfoMan: Minor improvements. InfoMan: Add unit tests for all modules. Othe...LogicCircuit: LogicCircuit 2.12.9.20: Logic Circuit - is educational software for designing and simulating logic circuits. Intuitive graphical user interface, allows you to create unrestricted circuit hierarchy with multi bit buses, debug circuits behavior with oscilloscope, and navigate running circuits hierarchy. Changes of this versionToolbars on text note dialog are more flexible now. You can select font face, size, color, and background of text you are typing. RAM now can be initialized to one of the following: random va...New ProjectsAltairis Binary Store Provider: Altairis Binary Store is provider based system for storing arbitrary binary data either in file system or in Azure Blob Storage.Azure Diagnostic Log Viewer: This tool helps in viewing logs written in azure diagnostics log tables. <MORE DETAILS COMING SOON>bluequiz: Là d? án giúp các cá nhân, t? ch?c, tru?ng h?c, t? ch?c thi tr?c nghi?m tr?c tuy?n và qu?n lý di?m m?t cách d? dàng hon.Detect User Geo location: Detect site visitor geo location Detect geo location of the site visitors by html5 geolocation (first) or ipinfodb.com(second choice). Educards: Educational cards.EuWangSSO: SSO (single sign-on) solutionFree Aspx Image Gallery: This is first basic release of my free aspx image gallery project. It is free to use and modify by the user without any need of providing any credit to me.GEFe: GEFeguohai's project: a open source project!ISMOT - Async Helper: This is a wrapper library for Microsoft's Async Library (CTP). Using this library greatly facilitates async calls in Silverlight and Windows Phone projects.LoLHQ - Personal League of Legends Assistant: LoLHQ - Personal League of Legends Assistant Check detailed ELO ratings and statistics of your teammates. Personalize counter-pick lists, view Champions detailsMNK-HKM addon: Special thanks to: Kill Us Or Die TryingPCV_CLINIC: my project PCV_ClinicRemote Commands: Program which allow to control computer sending e-mails with commands.Resource File Comparer: Resource File Comparer is a quick utility to help compare the availability of required resource strings in all resource files for an application.Rich Client Template: The new Rich Client Template for Visual Studio 2012Simple Microsoft Excel Document Converter (Convert To XLS, XLSX, PDF, XPS): This library is based on Microsoft.Office.Interop.Excel. This library can convert Excel documents to PDF or XPS in C#.TCC News: testeTesPro: ???The Eggbert Chronicles: The Eggbert Chronicles, a 2.5D platformer built in Unity and created using Javascript and C#.Tombola XNA: Gioco della tombola utilizzando XNA.Tools and Company: "Tools and Company" is a DLL which contains a set of useful and generic classes and functions in C# language. I use this DLL in my different other C# projects.TradeIt: :)usermade: user made websiteWIT Sync Manager 2010: Enables you to synchronize virtually all aspects of work item types and related artifacts across collections and projects in TFS 2010.xebictetris: Xebic Tetris Web Testxmwms: xmwmsXNA for Windows 8(Windows RT).: Officially there is no support for XNA Game Studio in Windows 8(WinRT). So this is a light weight XNA Framework made using the .NET 4.5 and Metro Style APIs and????????????? ?????????: ???????? ?????? ?? ???????? ?????????????? ??????????

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• QA - Developer communication

  - by exiter2000

  I am a developer and have worked at this company 4~5 years by now. We have been practicing scrum for about 2 years. I think, I have been worked well with QAs. I believe QAs/developers/technical writers are all one team. We are also actively hiring new team members. As a legacy member of the team, I have faced to assist new member(including developers and testers) with my business knowledge. We work on 2 weeks base scrum. I usually deliver my user story completely by the first date of second week and do some qa build with partial functionality of my user story so that QA has a good idea about my implementation and flow. Recently, I have met some QAs. In first week, the QAs do not talk... In stand up meeting, they say they are developing test cases regardless I deliver the user story or not. In second week, I do not have a single defect till Thursday afternoon and suddenly I have a major defect with several minor UI defect, which I delivered one week ago. Or I have one or two minor defects on second week however major defects on Thursday afternoon or Friday morning. This eventually make the story rolls over to the next sprint. Major defect takes time to fix and more importantly it would trigger the regression test for the story... Even if I worked Thursday evening and fixed it, the testing will not finish. And this happens multiple times with certain QAs. As a same team member, I talked to the QAs if they could test major defect with higher priority... Rejected... Because I do not understand QA process.. So I asked roughly how many major test cases are covered so far in the stand up meeting on 2nd week Wednesday.. The response is I should not ask this to the QA in the stand up meeting... What do I do?

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• Using 12.04 installation as a persistent pen drive

  - by Cawas

  Disclaimer: I aim to build a self contained pen drive with my application inside, so no matter about updates. Maybe I'm looking at the wrong linux distribution to do this... Please let me know if you think so. I've tried knoppix and even lubuntu, but they don't come with enough "drivers" for Unity3D to work. Creating a custom live persistent pen drive is a real pain and I'm trying for 1 day without any success. Sure, being able to do it would probably be ideal and occupy the minimum space. Using the installation image on a pen drive, however, is good enough and is really easy to create. We can even do it from any OS, using UNetBootin, LiLi USB Creator or some other methods. Straight forward. Some recommend installing it on a pen drive. But that requires a lot of space and, I believe, it won't behave as good as something meant to be installed on a usb disk, because of memory management. So, there are only a few negative points on using the installation image that I can think of. Question here, is how to remove those drawbacks: Having to press "Try Ubuntu". That's the big one. Couldn't find how. Unable to load everything on memory and keep on running without the pen drive (like this) Unable to remove "Install Ubuntu 12.04 LTS" app. Setting the ISO to use maximum amount of space for the OS will leave pen drive with zero space left and any file saved within it from ubuntu is inaccessible from the outside (when plugin the pen drive and not booting from it). Am I missing something? Can those points be fixed?

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• Looking for a small, light scene graph style abstraction lib for shader based OpenGL

  - by Pris

  I'm looking for a 'lean and mean' c/c++ scene graph library for OpenGL that doesn't use any deprecated functionality. It should be cross platform (strictly speaking I just dev on Linux so no love lost if it doesn't work on Windows), and it should be possible to deploy to mobile targets (ie OpenGLES2, and no crazy mandatory dependencies that wouldn't port well to modern mobile frameworks like iOS, Android, etc), with a license that's compatible with closed source software (LGPL or more liberal). Specific nice-to-haves would be: Cameras and Viewers (trackball, fly-by, etc) Object transform hierarchies (if B is a child of A, and you move A, B has the same transform applied to it) Simple animation Scene optimization (frustum culling, use VBOs, minimize state changes, etc) Text I've played around with OpenSceneGraph a lot and it's pretty amazing for fixed function pipeline stuff, but I've had a few of problems using it with the programmable pipeline and after going through their mailing list, it seems several people have had similar issues (going back years). Kitware's VES looks neat (http://www.vtk.org/Wiki/VES), but VES + VTK is pretty heavy. VTK is also typically for analyzing scientific data and I've read that it's not that appropriate for a general use case (not that great at rendering a lot of objects on scene,etc) I'm currently looking at VisualizationLibrary (http://www.visualizationlibrary.org/documentation/pag_gallery.html) which looks like it offers some of the functionality I'd like, but it doesn't explicitly support mobile targets. Other solutions like Ogre, Horde3D, Irrlicht, etc tend to be full on game engines and that's not really what I'm looking for. I'd like some suggestions for other libraries that I may have missed... please note I'm not willing to roll my own solution from scratch.

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• Ubuntu stops using Nvidia driver after kernel upgrade

  - by Daniel

  Just updated and restarted, Ubuntu's doesn't display correctly. After restart, the desktop now looks like this. I've temporarily switched to the Nouveau driver. The update history reveals the kernel was updated, amongst many things; and the following were installed: linux-image-3.5.0-19-generic (3.5.0-19.30) linux-image-extra-3.5.0-19-generic (3.5.0-19.30) I've encountered this type of problem quite recently, so I decided to reapply the same steps, to solve the problem, as follows: sudo apt-get install linux-headers-3.5.0-19 sudo apt-get install linux-headers-3.5.0-19-generic sudo depmod -a sudo modprobe nvidia sudo /etc/init.d/*dm restart When installing linux-headers-3.5.0-19-generic, I get an error, message from terminal as follows: Setting up linux-headers-3.5.0-19-generic (3.5.0-19.30) ... Examining /etc/kernel/header_postinst.d. run-parts: executing /etc/kernel/header_postinst.d/dkms 3.5.0-19-generic /boot/vmlinuz-3.5.0-19-generic Error! Problems with depmod detected. Automatically uninstalling this module. DKMS: Install Failed (depmod problems). Module rolled back to built state. However, I ignored the above error and continued the steps with sudo depmod -a, installed nvidia-current, then did sudo modprobe nvidia, which yielded the following error: FATAL: Error inserting nvidia_current (/lib/modules/3.5.0-19-generic/updates/dkms/nvidia_current.ko): No such device Upon restart, the Nvidia driver now works! BTW, do those error messages imply I broke something? Just curious, cause I don't want to get happy I've fixed it, then it stops working later on. The system is Dell XPS-L702X, with NVIDIA GeForce GT 555M, and 17" screen.

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• Collision and Graphics integration

  - by Shlomi Atia

  I'm a little confused about the integration between collision and graphics. They both need to share the same position in the world. The most obvious choice is the center of the entity, which is good for bounding volumes and fixed sized sprites. However, for characters with variable height size sprites like this: http://gamemedia.wcgame.ru/data/2011-07-17/game-sprite-sheet.jpg This is no longer good. The character won't align to the ground if I'll draw it from the center. I can just make the sprites the same height, but it will be a waste of memory (the largest sprite is 4 times larger then the smallest one). Even then, this is not an option at all with skeletal sprites like this one: http://user-generated-content.java-gaming.org/img-vault/212a171fc1ebb27ab77608fb9b2dd9bd9205361ce6300b21a7f8d06d025fbbd8.png It seems that the graphics need to be drawn from the ground for characters, but not for other images such as scenery and obstacles. The only solution I could think of was having another position called draw-position, which is the entity center for images, and is the the bottom of the collision volume for characters. Then when I draw relative to that position, it should work properly. I haven't found any references for something like that, so I'm kinda insecure about it. Does anyone knows of a better approach for this problem? Thanks

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• Set default owner/user

  - by Daniel Hollands

  I'm a web developer, and so have set-up an old machine in the office as an Ubuntu Server, for the purposes of testing websites. I've set-up LAMP and have created a /var/www folder, from which all my local sites are served. The issue is that of user permissions, i.e. any files that I copy into that folder (from my Windows machine via the network) automatically take on me (daniel) as their owner. The problem is that I want www-data to become the owner. I did some research and saw that it should be possible to use setuid (and setgid) to automatically set www-data as the owner of all files put into /var/www automatically, so far I've not had any luck making it work. Can someone help please? Thank you UPDATE: Would this do what I want it to do? Default file permissions for php user www-data UPDATE 2: I've kinda fixed my issue by changing my samba settings. Using Webmin, I was able to go in and change the default settings (as seen here: http://imageshack.us/photo/my-images/521/captureon.png/)

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• Designing rules to fight smallpox in Civ-style TBS games

  - by Williham Totland

  TL;DR: How do you design a ruleset for a Civ-style TBS game that prevents city smallpox from being a profitable or viable strategy? Long version: Civ-style games are pretty great. Bringing a civilization from cradle to grave is a great endeavor, and practicing diplomacy with hard-line human players is fun and challenging. In theory. In practice, however, many of these games has, especially in multiplayer, exactly one viable strategy: City smallpox, a.k.a. infinite city spread, a.k.a. covering all available space with 1-citizen cities, packed as tight as they will go. I suppose this could count as emergent gameplay, but still; it could hardly be considered to be in the spirit of the class of game. The Civilization series, of course, is stuck in their more or less fixed rule sets, established with Civilization. Yes, there have been major changes in some respects, but the rules pertaining to city building and maintenance have stayed pretty similar. So the question, then: If you build a ruleset for a TBS from the ground up; what rules should be in place to prevent Infinite City Sprawl from being a viable strategy? Or should ICS be a viable strategy?

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• I have deleted python files in usr/bin and cant reinstall it

  - by Plonkaa

  I am a novice at Ubuntu and unfortunately i have deleted 3 files in the usr/bin folder python 2.7 python python 2.6 Now my update manager wont work and when i type in python into gnome it says that it is no longer there. Please help me ive tried loads of different things but it just wont work. The closest i got was the following: I typed in sudo apt-get -f install and i thought i had fixed it but then i got a error message - Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: gir1.2-folks-0.6 gir1.2-polkit-1.0 libcogl5 mutter-common gir1.2-json-1.0 libcaribou0 gir1.2-accountsservice-1.0 gir1.2-clutter-1.0 gir1.2-gkbd-3.0 gir1.2-networkmanager-1.0 caribou libcogl-common libmutter0 gir1.2-mutter-3.0 gjs gir1.2-caribou-1.0 libclutter-1.0-0 gir1.2-telepathylogger-0.2 libclutter-1.0-common cups-pk-helper gir1.2-upowerglib-1.0 gir1.2-cogl-1.0 libmozjs185-1.0 gir1.2-telepathyglib-0.12 gir1.2-gee-1.0 libgjs0c gnome-shell-common Use 'apt-get autoremove' to remove them. The following extra packages will be installed: ubuntu-sso-client The following packages will be upgraded: ubuntu-sso-client 1 upgraded, 0 newly installed, 0 to remove and 35 not upgraded. 2 not fully installed or removed. Need to get 0 B/57.7 kB of archives. After this operation, 16.4 kB of additional disk space will be used. Do you want to continue [Y/n]? y Setting up python-minimal (2.7.2-7ubuntu2) ... /var/lib/dpkg/info/python-minimal.postinst: 4: python2.7: not found dpkg: error processing python-minimal (--configure): subprocess installed post-installation script returned error exit status 127 Errors were encountered while processing: python-minimal E: Sub-process /usr/bin/dpkg returned an error code (1) any advice is appreciated!

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• solve a partition misalignment?

  - by learner

  I have a new Dell XPS laptop which had Windows 7 installed in it. It also had a default extra partition for "Dell Utility". I installed Ubuntu in it on an Extended Partition along with windows and specified the logical partitions myself (for /,/home and swap). Now when I open Disk Utility , it shows this "Partition misaligned by 512 bytes" error for the Dell Utility partition and "Partition misaligned by 1024 bytes" for the entire Extended partition where Ubuntu is installed. Deleting the extended partition and re-installing Ubuntu may solve the problem of misalignment in the extended partition. But how about the Dell Utility partition? If I re-install Windows 7 Dell Utility wouldn't be a part of the re-install. So that may not solve it either. How do I fix this? Note: The extended partition I made contains an NTFS logical partition for holding data accessible by both OSes(basically a personal data partition). EDIT: I deleted all my Ubuntu partitions and re-installed Ubuntu like before,this time making them partitions with GParted via LiveCD. Now the only problem is that there is a misalignment in the Dell Utility partition. The other misalignment got fixed. Now how do I get rid of that issue?

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• How do I create a camera?

  - by Morphex

  I am trying to create a generic camera class for a game engine, which works for different types of cameras (Orbital, GDoF, FPS), but I have no idea how to go about it. I have read about quaternions and matrices, but I do not understand how to implement it. Particularly, it seems you need "Up", "Forward" and "Right" vectors, a Quaternion for rotations, and View and Projection matrices. For example, an FPS camera only rotates around the World Y and the Right Axis of the camera; the 6DoF rotates always around its own axis, and the orbital is just translating for a set distance and making it look always at a fixed target point. The concepts are there; implementing this is not trivial for me. SharpDX seems to have has already Matrices and Quaternions implemented, but I don't know how to use them to create a camera. Can anyone point me on what am I missing, what I got wrong? I would really enjoy if you could give a tutorial, some piece of code, or just plain explanation of the concepts.

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• Trigger IP ban based on request of given file?

  - by Mike Atlas

  I run a website where "x.php" was known to have vulnerabilities. The vulnerability has been fixed and I don't have "x.php" on my site anymore. As such with major public vulnerabilities, it seems script kiddies around are running tools that hitting my site looking for "x.php" in the entire structure of the site - constantly, 24/7. This is wasted bandwidth, traffic and load that I don't really need. Is there a way to trigger a time-based (or permanent) ban to an IP address that tries to access "x.php" anywhere on my site? Perhaps I need a custom 404 PHP page that captures the fact that the request was for "x.php" and then that triggers the ban? How can I do that? Thanks! EDIT: I should add that part of hardening my site, I've started using ZBBlock: This php security script is designed to detect certain behaviors detrimental to websites, or known bad addresses attempting to access your site. It then will send the bad robot (usually) or hacker an authentic 403 FORBIDDEN page with a description of what the problem was. If the attacker persists, then they will be served up a permanently reccurring 503 OVERLOAD message with a 24 hour timeout. But ZBBlock doesn't do quite exactly what I want to do, it does help with other spam/script/hack blocking.

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• Elliptical orbit modeling

  - by Nathon

  I'm playing with orbits in a simple 2-d game where a ship flies around in space and is attracted to massive things. The ship's velocity is stored in a vector and acceleration is applied to it every frame as appropriate given Newton's law of universal gravitation. The point masses don't move (there's only 1 right now) so I would expect an elliptical orbit. Instead, I see this: I've tried with nearly circular orbits, and I've tried making the masses vastly different (a factor of a million) but I always get this rotated orbit. Here's some (D) code, for context: void accelerate(Vector delta) { velocity = velocity + delta; // Velocity is a member of the ship class. } // This function is called every frame with the fixed mass. It's a // method of the ship's. void fall(Well well) { // f=(m1 * m2)/(r**2) // a=f/m // Ship mass is 1, so a = f. float mass = 1; Vector delta = well.position - loc; float rSquared = delta.magSquared; float force = well.mass/rSquared; accelerate(delta * force * mass); }

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• Multiple Denial of Service (DoS) vulnerabilities in FreeType

  - by chandan

  CVE DescriptionCVSSv2 Base ScoreComponentProduct and Resolution CVE-2012-1126 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 10.0 FreeType Font Engine Solaris 11 Contact Support Solaris 10 SPARC: 119812-16 X86: 119813-18 Solaris 9 Contact Support CVE-2012-1127 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1128 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1129 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1130 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1131 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1132 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1133 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1134 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1135 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1136 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1137 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1138 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1139 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1140 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1141 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1142 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 CVE-2012-1143 Numeric Errors vulnerability 4.3 CVE-2012-1144 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 9.3 This notification describes vulnerabilities fixed in third-party components that are included in Sun's product distribution.Information about vulnerabilities affecting Oracle Sun products can be found on Oracle Critical Patch Updates and Security Alerts page.

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• Visual Studio 2010 Pro Power Tools Screencast

  - by Steve Michelotti

  Microsoft just released the Visual Studio 2010 Pro Power Tools extension and it is awesome. A summary of all the features can be found here and it is available in the Visual Studio Gallery here. There are a bunch of great features but, in my opinion, the best one is the replacement for the Add Reference dialog. This gives sub-string search capabilities as well as the ability to add multiple references without having to continually re-open the dialog. For this feature alone, you should install the Pro Power Tools right now. There are a few blogs posts that do a good job describing all the features but what I wanted to do here was to post a quick screencast (7 minutes) that shows the features that I think are really cool. I show most (but not all) of the features focusing on the ones I think are the best. The features I cover are: Installation with the Extension Manager Add Reference Dialog replacement Tab Well including pinned tabs, pinned tabs in second row, fixed close button, colorized tabs, dirty indicator Highlight current line Triple Click for full-line selection Ctrl + Click for Go To Definition Colorized Parameter Help Enjoy! (Right-click and Zoom to view in full screen)

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• Proper updating of GeoClipMaps

  - by thr

  I have been working on an implementation of gpu-based geo clip maps, but there is a section of the GPU Gems 2 article that i just can't seem to understand, specifically this paragraph and more precisely the bolded part: The choice of grid size n = 2k-1 has the further advantage that the finer level is never exactly centered with respect to its parent next-coarser level. In other words, it is always offset by 1 grid unit either left or right, as well as either top or bottom (see Figure 2-4), depending on the position of the viewpoint. In fact, it is necessary to allow a finer level to shift while its next-coarser level stays fixed, and therefore the finer level must sometimes be off-center with respect to the next-coarser level. An alternative choice of grid size, such as n = 2k-3, would provide the possibility for exact centering Let's take an example image from the article: My "understanding" of the way the clip maps were update was that you floor the position of the viewpoint to an int, and such get the center vertex point if this is not the same as the previous center point, you update the entire map. Now, this obviously is not the case - but what I am failing to understand is this: If you look at the image above, if the viewpoint was to move one unit to the right, then the inner ring (the one just around the view point + white center square) would end up getting a 1 unit space on both the left and right side of itself. But there is nothing in the paper that deals with this, what i mean is that it would end up looking like this (excuse my crummy cut-and-paste editing of the above image): This is obviously not a valid state of the. So, would the solution be that a clip ring (layer) can only move in increments of the ring/layer it's contained within? Wouldn't this end up being very restrictive? I feel like I am missing some crucial understanding of parts of the algorithm, but I have been over both this paper and the original paper from 2004 and I just can't see what I am not getting.

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• Eclipse Java Code Formatter in NetBeans Plugin Manager

  - by Geertjan

  Great news for Eclipse refugees everywhere. Benno Markiewicz forked the Eclipse formatter plugin that I blogged about sometime ago (here and here)... and he fixed many bugs, while also adding new features. It's a handy plugin when you're (a) switching from Eclipse to NetBeans and want to continue using your old formatting rules and (b) working in a polyglot IDE team, i.e., now the formatting rules defined in Eclipse can be imported into NetBeans IDE and everyone will happily be able to conform to the same set of formatting standards. And now you can get it directly from Tools | Plugins in NetBeans IDE 7.4: News from Benno on the plugin, received from him today: The plugin is verified by the NetBeans community and available in the Plugin Manager in NetBeans IDE 7.4 (as shown above) and also at the NetBeans Plugin Portal here, where you can also read quite some info about the plugin:  http://plugins.netbeans.org/plugin/50877/eclipse-code-formatter-for-java The issue with empty undo buffer was solved with the help of junichi11: https://github.com/markiewb/eclipsecodeformatter_for_netbeans/issues/18 The issue with the lost breakpoints remains unsolved and there was no further feedback. That is the main reason why the save action isn't activated by default. See also the open known issues at https://github.com/markiewb/eclipsecodeformatter_for_netbeans/issues?state=open Features are as follows:  Global configuration and project specific configuration.  On save action, which is disabled by default. Show the used formatter as a notification, which is enabled by default.  Finally, Benno testifies to the usefulness, stability, and reliability of the plugin: I use the Eclipse formatter provided by this plugin every day at work. Before I commit, I format the sources. It works and that's it. I am pleased with it. Here's where the Eclipse formatter is defined globally in Tools | Options: And here is per-project configuration, i.e., use the Project Properties dialog of any project to override the global settings:  Interested to hear from anyone who tries the plugin and has any feedback of any kind! 

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• Fix for poor hd playback for 11.04 upwards

  - by mark kirby

  Hi guys ive seen loads of posts on this site about poor 720/1080p playback in recent ubuntu versions I had this problem and fixed it so I thought id share it with everyone.... 1 install mplayer 2 install smplayer frontend {in software center} 3 open smplayer 4 go to "OPTIONS" then "PREFRENCES" then "GENRAL" 5 if you have a nvidia card choose "OUTPUT DRIVER" and select "VDPAU" {for ATI or AMD choose xv (0 - ATI Radeon AVIVO video) I dont know if this will work as my card is nvidia but it should) 6 go to performance on the left hand side and set both local and streaming cache to 99999 (this may also fix dvd playback if you set that cache aswell} 7 check the box for "ALLOW HARD FRAME DROP" and set "LOOP FILTER" to skip only on HD 8 Set the "THREDS FOR DECODING OPTION TO THE NUMBER OF CORES YOUR CPU HAS IF YOU HAVE MORE THAN ONE CPU ADD UP ALL THE CORES FOR BEST PERFORMANCE" 9 Enjoy you HD movies again on ubuntu...... I have a pretty avrage machine heres my spec.... 2x Pentium 4 ht 3 ghz Stock dell power and motherboard GFORCE 310 HDMI 24 inch full HD tv as a monitor so any one with dule core cpu should have no problems getting this to work. hope this helps someone out.

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• Chromebook C720 - issue suspending and booting

  - by user72727

  I recently bought an Acer C720 chromebook (Celeron, 2GB RAM, 16GB SSD) with the intention of loading Linux and using it as a cheap development laptop while on my holiday. The installation sort of went ok but initially the trackpad didn't work so I ran a script that mostly fixed that. My current issues are: Booting: it still goes to the chrome "unknown os" white screen - I have to press ctrl L - then escape then 1 then wait for 30 secs while it seems to be searching for something. Then Ubunto loads up fine. Any idea how to fix this? Suspend: if I close the lid of the laptop then it doesn't seem to suspend properly. At least when I open the lid the screen appears to be on but the screen is blank with a cursor. Nothing responds on the keyboard and I have to hold the power down to restart it. The suspend from the top menu has the same issue. Moving windows: I don't have a mouse click button so how do I move windows around the screen? Launcher bar: I've set mine to auto hide (which it does) but what exactly do you have to do to get it back? I just repeatedly jab the mouse at the side of the screen and eventually it pops up. I don't mind starting all over again but obviously a quick fix is preferred ;) Mike Ubunto 14.04.1 LTS Kernel 3.13.0-32-generic PS Sorry for so many questions.

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