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• Ubuntu 3D does not work on Dell system with a AMD Radeon HD 6470M

  - by VeeKay

  I am running 64 bit Ubuntu on Dell with 1GB graphic card. I login with "Ubuntu" hoping to see Unity 3d but it doesn't. Unity 2D runs instead. when I type in echo "$DESKTOP_SESSION" it confirms the Unity-2D. I've checked the System info that shows like : The graphics row shows itself as empty. SO I've presumed that the graphic drivers aren't detected and hence I went to Unity- Additional Drivers and installed the fglrx driver that the UI has suggested. Even after installing so, the graphics part in System info details shows nothing and still Unity 2D runs in spite of all the effort. Please help! How can I get my Unity 3D back? Hardware Info Video Card : AMD Radeon™ HD 6470M - 1GB (For ICC) RAM : 6GB (1 X 2GB + 1 X 4GB) 2 DIMM DDR3 1333Mhz OS : 64 bit Ubuntu 11.10 Edit : Output for /usr/lib/nux/unity_support_test -p X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 155 (GLX) Minor opcode of failed request: 19 (X_GLXQueryServerString) Serial number of failed request: 21 Current serial number in output stream: 21

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• Windows Server 2008 is stuck at "configuring updates - stage 3 of 3 - 0% complete"

  - by Chris

  This has happened the last two times I've done updates to this system, and I really have no idea what is going on. It is installing a only a month's worth of updates. It only responds to ping and no services are up, so I can't view the system remotely (I have to hook up a monitor to see this message). In the past I've just restarted the system at this point and it eventually finishes updating. I want to know what I can do to avoid this situation, how to diagnose what is going on, and how to get any kind of remote access during the updates. Edit: I can start the machine in safe mode (where I did nothing but backup some files). I restarted and it no longer tries to do a windows update, just goes to the desktop where everything seems extremely broken. I can click on some things, but not launch most programs. I guess all I can do at this point is do a system restore or something.

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• Windows 7 PATH not expanding

  - by trinithis

  I am using the following to create and edit environment variables for Windows 7. Control Panel\All Control Panel Items\System -> Advanced system settings -> Environment Variables Under System variables I have the following pertinant variables: PROG32=C:\Program Files (x86) REALDWG_SDK_DIR=%PROG32%\Autodesk\RealDWG 2011 Path=%REALDWG_SDK_DIR%;%PROG32%\Haskell\bin However, the following happens: C:\>echo %PROG32% C:\Program Files (x86) C:\>echo %Path% %REALDWG_SDK_DIR%;C:\Program Files (x86)\Haskell\bin Is it possible to have a chain of variables expand? If I rename Path to something else, I sometimes get the problem, and sometimes I don't.

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• Apache mod_header rule to change all cookies to secure

  - by Supowski

  I would like to change all cookies to be secure and http-only. I works fine for one cookie, but doesn't work when multiple cookies are set in response. Apache mod_header rule should change cookies from: Set-Cookie cookie1=value; Path=/somePath Set-Cookie cookie2=value; Path=/somePath to Set-Cookie cookie1=value; Path=/somePath; Secure; Http-Only Set-Cookie cookie2=value; Path=/somePath; Secure; Http-Only I use mod_headers for it with following rule: Header edit Set-Cookie ^(.*)$ $1;Secure;HttpOnly It works fine when only one cookie is set, but if there is more than one, it just removes all the following and they are not set at all. Any help how to write mod_headers rule for multiple values? or the problem is in something else?

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• How to tell if any MySQL connections has been dropped or timed out?

  - by Continuation

  A client is using PHP to connect to MySQL. The PHP scripts and the MySQL database are located on 2 different Linux servers. He complained that database connections were being dropped or timed out and asked me to take a look. Is there any place in MySQL that can show me what and how many connections have been dropped or timed out? I looked into slow query log and didn't see anything. Any suggestions on how to diagnose this dropped/timed out database connection problem? Thanks EDIT: Slow query log is enabled in my.cnf: log-slow-queries=/var/log/mysql-slow-queries.log And when I do a mysql> show global status; I got: | Slow_queries | 11402347 | So there are a lot of slow queries. But the file /var/log/mysql-slow-queries.log doesn't exist. Why is that?

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• Will my RAID0 stay intact when I move it to a new computer?

  - by Jeremy H

  My primary drive is a 250GB WD SATA drive. So, I added 2x 500GB 7,200 RPM WD SATA drives into my Windows Vista box and created a 1TB RAID0. I then formatted the the primary drive and installed Windows 7. To my pleasant surprise when I booted into Windows 7 my RAID0 was still intact and I kept trotting along the same as I did before. Now I am replacing my motherboard, processor, and RAM and plan on formatting the primary 250GB drive again and using it to boot for a new clean install of Windows 7. My question is: if I move these two SATA drives which are setup for RAID0 into the new system, install Windows 7 again, will the RAID0 remain? Edit: Software RAID. I created it within Windows. The RAID0 does NOT contain the system boot partition.

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• Windows Software to Save Arbitrary Application State

  - by ashes999

  VM software does a great job of saving state when you "turn it off," allowing instant and immediate return to that previous state. Is there some application for Windows that allows me to do the same thing, for any arbitrary software? It would allow me to save/restore state, possibly via a shell command or button that it appends to every window. Edit: For clarity, there are two types of apps: those that save their own states, and those that save others' states. Those that save their own state are like Chrome, which on load, reloads the windows you had open last time. That's not what I'm asking about; I'm asking for an app that can save the state of other apps, kind of like VM software does; but for any app. (A trivial test would be load notepad++, type a bunch of stuff, and save-state; on reset-state, you should be able to multi-level undo a lot of what you wrote, as if you never shut down the application.)

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• How can I make Picasa see changes I make to photos using jhead?

  - by Dan

  Last fall I forgot to set the time on my camera back an hour. I used jhead to change the time in the EXIF data: jhead -ta-1 IMG_1177.JPG but Picasa didn't notice. OS is Windows XP. If I right-click the picture in Picasa and choose Properties, in the top section of the dialog it shows "Date: 3/6/2010 11:22:54 AM" but in the Property|Value section it shows "Camera Date | 2010:03:06 10:22:54". I tried using "Refresh thumbnails" but that didn't help. Picasa notices other changes, like if I edit the photo in the Gimp or change the filename, but for some reason it doesn't notice this change.

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• Thinkpad laptop heats up more than it used to - what are my options?

  - by jdelage

  Hi, I have a 3 yr old laptop (Thinkpad T61) which runs seemingly much hotter than it used to. It's not uncomfortable to touch, but I wonder whether I should do something about it. It does get uncomfortable if I have it on my lap (which I rarely need to do). I haven't made any mods to the laptop other than a bigger HD, and I recently cleaned up the inside (superficially - I didn't remove the fan). Are fans items that should be changed regularly? Edit: I use the laptop plugged in 90%+ of the time. Thanks, JDelage PS: I know that a 3-yr old laptop is old tech, but this one works perfectly so....

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• Display file/folder/drive names in full on the desktop

  - by mathee

  In Mac OS X, when the text for a desktop icon is particularly long, it's displayed with an ellipsis: How do I configure whatever I'm supposed to configure (Finder?) to display that and all text in full? (No ellipses, please!) Edit: I do know that you can change the icon/text/grid size to allow for more text, but I don't necessarily want to change those settings. I want to change how Apple displays the text. That is, I want it to display either as one long string (which will run into other strings if two long file/folder names are next to each other, they will appear to overlap) or word-wrapped according to the size of the grid.

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• How to make TortoiseHg pull certain branch only?

  - by mark

  I have cloned the default branch of a big repository and now I wish to pull from the server using the TortoiseHg client. However, TortoiseHg proposes to pull from all the branches. Is it possible to instruct it to pull from the current branch only? So far I have seen suggestions to: Setup a hook on the client side to reject pulls from unwanted branches Check incoming revisions in TortoiseHg and only pull the ones belonging to the current branch Use the Mercurial ACL extension to deny access to all the branches, but the current one. I dislike all of these solutions, since all of them are client based. In all of them TortoiseHg actually pulls all of the branches (even in the second, where the pulled revisions are arranged into a bundle presented in the incoming revisions view) Is there an hg pull -b BRANCH equivalent in TortoiseHg? Thanks. EDIT I know how to do all of this using the Mercurial command line client - hg.exe. This question is specifically about the TortoiseHg GUI client.

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• How can I find the names of AD Group policies that a user/pc is using?

  - by Russ

  I am having trouble locating some settings in group policy so I can make changes due to the convoluted nature of our policies. What I would like to be able to do is go to a specific PC and see what group policies are being applied, so I can focus on those policies. My goal would be to clean up the GP's a bit, while allowing me to "walk the tree" to see what people have implemented and what is worthless. Thanks. EDIT: In this specific case, I am looking to find which GP maped drives are configured in. (User Configuration -- Preferences -- Windows Settings -- Drive Maps)

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• SSD runs faster on Windows as compared to Linux [closed]

  - by wushugene

  Windows 7 seems to install, boot and run much smoother & faster than each the three linux distros I have recently tried (Ubuntu 12.04 unity, Linux mint 13 MATE, and Fedora 17 on gnome 3.4). Why am I facing bad performance in Linux? I have tweaked my Linux installs for the SSD (enabling trim, disabling swap, etc.) I'm using an Acer TravelMate with i5-2410m processor, intel hd 3000 graphics, 8 gigs of ram, and a 256 gb samsung 830 ssd. Edit: Boot times are 10-15 seconds slower, there is noticeable delay from login to fully loaded desktop, and in general does not appear to be as responsive as my old windows 7 install or the Linux guests I had running on it.

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• Cygwin file and directory user and group

  - by dvanaria

  I use Cygwin as my main development environment on both my home and work computers. In order to share files between the two computers, I use Dropbox, which is installed in the following folder on both computers: c:\cygwin\home\dvanaria\dropbox Everything works great, except for one thing. When I'm working on my home computer and do an ls -l on any directory, all the files show up as owned by dvanaria of group Users. But when I work from my work computer, an ls -l shows all files as being owned by Administrators and of group Domain Users. I know Cygwin uses some kind of mapping between Windows users and permissions to the /etc/passwd file. But to be honest I have no idea how this file works or how it maps to Windows under Cygwin. Could anyone help figure this out? The main problem is that I can't edit any files when using my work computer, only read them.

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• Set Up Remote Desktop at Home

  - by Rev

  I'm sure this has been asked before, but I'm unable to find a clear set of instructions. I'm currently using LogMeIn Hamachi to enable Windows 8's Remote Desktop feature on my home computer (running Win8 Pro x64). Unfortunatley, I can't use this method to access my home computer from my Surface Tablet, as I can't install in the Hamachi client. So how can I set up Remote Desktop without using LogMeIn Hamachi? A link to a noob-friendly tutorial would be greatly appreciated. I haven't been able to find anything that I understand (and I am pretty technical, router stuff just stumps me for some reason). EDIT: And I don't want to use a third party service like TeamViewer, in my experience those tools are laggy and quite horrible. The Remote Desktop feature has been excellent.

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• Samba domain controller: remove 1 Windows client

  - by K B

  my domain is controlled by a Samba domain controller running on openSUSE 11.3. It manages other openSUSE boxes and some Windows 7 boxes. Now one harddisk of a Windows 7 computer crashed and I had to reinstall. I wasn't able to get the computer name ("Win26") of the broken PC out of the domain and so I couldn't add the reinstalled "Win26" to the domain again. So how can I remove the entry of the old "Win26" computer out of the domain controller, so that I can add the new "Win26" to the domain again? Is it one configuration file I have to edit and restart Samba? Which file would this be? Thanks in advance for your help! Regards, KB

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• What kind of permission is this? (Groups+Roles)

  - by Jorge

  I'm starting to need an access control for roles in my app. I don't know much of this, but I understand how vBulletin works: I create groups, then give permissions to groups. I think that what I need is the Role Bases Access Control (RBAC) , but i'm not sure, because I need groups to give permissions instead of single users (Maybe it's not that complicated to achieve). Example of what I'm thinking: Given a post: Editor's Group has permission to view it before it's published. Editor's Group has permission to edit its content. Public Group (Default) has not permission to view it before it's published. Admin Group has permission to delete the post. So basically I wan't orientation about if RBAC is what I need. And also, how would it be good to store group membership in a user, for example, would be good to have: ID NAME PASSWORD GROUPS (1, MyName, MyPassword, 1/2/3/4/5) and explode it via PHP or one registry for every Group membership in a table named permissions, example: USERID, USERGROUP values (1, 1), (1, 2) Maybe should be the second way because of the formal norms but I didn't study yet Databases 1 at college.

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• Startup script for Windows Recovery Environment?

  - by Recovery

  I'm trying to automate the Windows 7 Recovery Environment. I want the computer to be able to boot into the Recovery Environment, automatically run some commands, and then restart back into Windows. The reason for this is that I want to use the Recovery Environment to edit some system files that are not writable while Windows is running. (Of course, this could be done using GRUB and Linux, but it would be even better if one could use the built-in Windows Recovery Environment and avoid the need to install a separate bootloader and OS.) So far, I've found out how to tell Windows 7 to reboot into the recovery environment: reagentc /boottore shutdown /r /t 0 But once the Recovery Environment loads, it opens a dialog that requires user input to continue. Instead of that dialog, I would like to be able to specify a script to run instead. Any ideas on how to accomplish this would be appreciated. Thanks!

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• Something is spamming from my hMail server - how can I deal with this?

  - by joshcomley

  My Windows 2008 server is attempting to send out a lot of spam, I've just discovered, and I'm not sure how to see where the compromise is. For example: has someone hacked an account? Has someone hacked the server? Is there a virus on the server? What can I do to investigate this? Edit Thanks for the replies so far. I am running hMail server, and have spent so long investigating the correct configuration but still I end up with these emails being sent. Here is a screenshot of my Internet IP range settings on the server: (let me know what else I can provide to help)

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• State Changes in a Component Based Architecture [closed]

  - by Maxem

  I'm currently working on a game and using the naive component based architecture thingie (Entities are a bag of components, entity.Update() calls Update on each updateable component), while the addition of new features is really simple, it makes a few things really difficult: a) multithreading / currency b) networking c) unit testing. Multithreading / Concurrency is difficult because I basically have to do poor mans concurrency (running the entity updates in separate threads while locking only stuff that crashes (like lists) and ignoring the staleness of read state (some states are already updated, others aren't)) Networking: There are no explicit state changes that I could efficiently push over the net. Unit testing: All updates may or may not conflict, so automated testing is at least awkward. I was thinking about these issues a bit and would like your input on these changes / idea: Switch from the naive cba to a cba with sub systems that work on lists of components Make all state changes explicit Combine 1 and 2 :p Example world update: statePostProcessing.Wait() // ensure that post processing has finished Apply(postProcessedState) state = new StateBag() Concurrently( () => LifeCycleSubSystem.Update(state), // populates the state bag () => MovementSubSystem.Update(state), // populates the state bag .... }) statePostProcessing = Future(() => PostProcess(state)) statePostProcessing.Start() // Tick is finished, the post processing happens in the background So basically the changes are (consistently) based on the data for the last tick; the post processing can a) generate network packages and b) fix conflicts / remove useless changes (example: entity has been destroyed - ignore movement etc.). EDIT: To clarify the granularity of the state changes: If I save these post processed state bags and apply them to an empty world, I see exactly what has happened in the game these state bags originated from - "Free" replay capability. EDIT2: I guess I should have used the term Event instead of State Change and point out that I kind of want to use the Event Sourcing pattern

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• How can I get GrowlTunes to Launch whenever iTunes Launches?

  - by Orion751

  I think I would be able to do this by modifying iTunes' launch services. Any idea how to go about that? Would editing its info.plist file in a manner similar to below do what I'm looking for? <keyLSOpenApplication</key <string?</string EDIT: Would http://developer.apple.com/library/mac/#documentation/Carbon/Reference/LaunchServicesReference/Reference/reference.html%23//apple_ref/c/func/LSOpenApplication provide any hints? EDIT2: Last.fm's official Mac Scrobbler (http://www.last.fm/download) is a perfect example of the functionality that I'm looking for.

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• iTunes want to remove my existing apps on iPad

  - by Michael

  Here is the situation. I connected my iPad to some new PC, Synced, then ticking Sync Apps from Devices-Apps will give me warning that all existing apps on my iPad will be replaced with those from Library-Apps. But in Library I have just couple old apps, which long time ago I used. So how I can sync the library in iTunes with my existing apps from iPad? EDIT: I have tried to click on Transfer Purchases, but not all of the items went to the library, just few of them.

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• Drupal7 doesn't detect MySQL on CentOS, but Wordpress3 does?

  - by jyaworski

  Hey guys. I'm running CentOS 5.5 here with Apache2, PHP5, and MySQL 5. My wordpress install on the same system runs perfectly, but the drupal7 install script only detects SQLite. The mysql module is enabled in php.ini, so that isn't the problem. Do you think it could be something with Drupal 7, or my PHP install? I tested it on localhost (I'm essentially running ArchLinux with Apache) and it installs just fine. I don't see a difference between my local php.ini and my server php.ini. I get this when accessing install.php on the server. SQLite The type of database your Drupal data will be stored in. Your PHP configuration only supports a single database type, so it has been automatically selected. Edit: The mysql PDO module is installed already.

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• How to disguise a serverside mob as another?

  - by Shaun Wild

  I've been working a Minecraft sever mod and i want to be able to add a new entity to the server, but then make the server send the packets to the client, imitating another mob, for example.. Lets say say i have EntityPlayerNPC.class, what i want to do is have all of the packets that get sent to the client look like they are from that of another player which is on the player, therefore allowing me to add custom NPC's... Thinking about the theory i'm sure this can be done. I've tried looking around for where the packets are being sent from and whatnot, can anyone think up a solution? edit: i tried adding a new constructor to the Packet20NamedEntitySpawn class like so: public Packet20NamedEntitySpawn(String username, EntityLiving e){ this.entityId = 0; this.name = username; this.xPosition = MathHelper.floor_double(e.posX * 32.0D); this.yPosition = MathHelper.floor_double(e.posY * 32.0D); this.zPosition = MathHelper.floor_double(e.posZ * 32.0D); this.rotation = (byte)((int)(e.rotationYaw * 256.0F / 360.0F)); this.pitch = (byte)((int)(e.rotationPitch * 256.0F / 360.0F)); this.metadata = e.getDataWatcher(); } unfortunatley, that didn't work :(

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• Classes as a compilation unit

  - by Yannbane

  If "compilation unit" is unclear, please refer to this. However, what I mean by it will be clear from the context. Edit: my language allows for multiple inheritance, unlike Java. I've started designing+developing my own programming language for educational, recreational, and potentially useful purposes. At first, I've decided to base it off Java. This implied that I would have all the code be written inside classes, and that code compiles to classes, which are loaded by the VM. However, I've excluded features such as interfaces and abstract classes, because I found no need for them. They seemed to be enforcing a paradigm, and I'd like my language not to do that. I wanted to keep the classes as the compilation unit though, because it seemed convenient to implement, familiar, and I just liked the idea. Then I noticed that I'm basically left with a glorified module system, where classes could be used either as "namespaces", providing constants and functions using the static directive, or as templates for objects that need to be instantiated ("actual" purpose of classes in other languages). Now I'm left wondering: what are the benefits of having classes as compilation units? (Also, any general commentary on my design would be much appreciated.)

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