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• Start Menu freezes when highlighting 'All Programs'

  - by gergesi

  Hey all, A friends machine is lagging for about 30 seconds when they highlight 'All Programs'. A gray box popus up where the program menu would be, but it doesnt populate for nearly 30 seconds. This seems to happen if he hasn't open the start menu for a bit.. but if he get's it working once, doing it immediatly afterwards will usually not have the same lag. Assuming computer hardware isn't an issue, any ideas what the problem may be? Sidenote: He mentioned making desktop shortcuts is taking long as well, does that give any clues?

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• windows VPS running apache and mysql, php scripts running slow.. but cpu usage is 1-3%..

  - by Roeland

  So every night I run some cron jobs. It requires probably about 20 min to process all the records. I gather the script does something like 10,000 sql queries. I figure this task was just that intense and needs time to complete, but I looked at CPU and memory usage, and it is super low. Cpu usage is between 1-3% and once in a while will bounce to 50ish for 2-3 seconds. This VPS is running windows 2003 server with Apache and MySQL. Does this sound right?

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• Configure fallback redis server

  - by snøreven

  I am using redis as a cache server. Can I somehow configure multiple redis servers, that the cache is fully functional (read/write) even if some of them go offline? I looked into master-slave, but the problem I see there is, that if the master fails, and I allow writes to the slaves, they get overwritten once the master is up again. Now the master just serves the old data. The only solution I could come up was disabling write-to-disc, but that sucks as I loose everything if I have to restart the master. And I guess, slaves wouldn't be synced anymore if the master is gone.

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• Multiple EyeFinity Display groups

  - by Shinrai

  Is it possible with an EyeFinity enabled card to make multiple display groups at once? I was playing with a FirePro 2460 and while a 4x1 or 2x2 display group works quite nicely, if I make a 2x1 display group and then select one of the other displays to try to make a second 2x1 display group, it disables the first one. Is there any way to circumvent this behavior and set up two separate spans on the same card? Additionally, can you set up distinct display groups if they're on different cards? I will have the opportunity to test several of these cards in one machine very shortly, but I'm curious if anyone has any experience. EDIT: I can confirm that you can make multiple spans on multiple cards (as long as they don't cross cards, obviously) (If the answers are different for FirePro/FireMV cards and Radeon cards, that is helpful and relevant knowledge - I doubt it, though.)

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• Octrees and Vertex Buffer Objects

  - by sharethis

  As many others I want to code a game with a voxel based terrain. The data is represented by voxels which are rendered using triangles. I head of two different approaches and want to combine them. First, I could once divide the space in chunks of a fixed size like many games do. What I could do now is to generate a polygon shape for each chunk and store that in a vertex buffer object (vbo). Each time a voxel changes, the polygon and vbo of its chunk is recreated. Additionally it is easy to dynamically load and reload parts of the terrain. Another approach would be to use octrees and divide the space in eight cubes which are divided again and again. So I could efficiently render the terrain because I don't have to go deeper in a solid cube and can draw that as a single one (with a repeated texture). What I like to use for my game is an octree datastructure. But I can't imagine how to use vbos with that. How is that done, or is this impossible?

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• Getting BootMgr not found errors repeatedly on Win7 x64

  - by abszero

  So here is the basic configuration of the box: Primary RAID 1 (Mirror, Bootable): 2x 300GB WD SATA drives AMD Phenom Quad Core x64 @2.2 ASUS M3N78 Pro Board 4GB RAM Win 7 Ultimate Additionally, this box is a Host OS for several CentOS Boxes via VirtualBox. The box runs like a champ but, for whatever reason, everytime I restart the machine I get a BootMgr not found error when the box tries to boot. I pop in my Win DVD, select 'Repair Windows' then 'Fix Start Up Problems' and everything works fine...once. When I restart the box again I have to go back through this process. Any ideas on what is going on?

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• Keep cube spinning after fling

  - by Zero

  So I've been trying to get started with game development for Android using Unity3D. For my first project I've made a simple cube that you can spin using touch. For that I have the following code: using UnityEngine; using System.Collections; public class TouchScript : MonoBehaviour { float speed = 0.4f; bool canRotate = false; Transform cachedTransform; public bool CanRotate { get { return canRotate; } private set { canRotate = value; } } void Start () { // Make reference to transform cachedTransform = transform; } // Update is called once per frame void Update () { if (Input.touchCount > 0) { Touch touch = Input.GetTouch (0); // Switch through touch events switch (Input.GetTouch (0).phase) { case TouchPhase.Began: if (VerifyTouch (touch)) CanRotate = true; break; case TouchPhase.Moved: if (CanRotate) RotateObject (touch); break; case TouchPhase.Ended: CanRotate = false; break; } } } bool VerifyTouch (Touch touch) { Ray ray = Camera.main.ScreenPointToRay (touch.position); RaycastHit hit; // Check if there is a collider attached already, otherwise add one on the fly if (collider == null) gameObject.AddComponent (typeof(BoxCollider)); if (Physics.Raycast (ray, out hit)) { if (hit.collider.gameObject == this.gameObject) return true; } return false; } void RotateObject (Touch touch) { cachedTransform.Rotate (new Vector3 (touch.deltaPosition.y, -touch.deltaPosition.x, 0) * speed, Space.World); } } The above code works fine. However, I'm wondering how I can keep the cube spinning after the user lifts his finger. The user should be able to "fling" the cube, which would keep spinning and after a while would slowly come to a stop due to drag. Should I do this using AddForce or something? I'm really new to this stuff so I'd like it if you guys could point me in the right direction here :) .

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• Developing my momentum on open source projects

  - by sashang

  Hi I've been struggling to develop momentum contributing to open source projects. I have in the past tried with gcc and contributed a fix to libstdc++ but it was a once off and even though I spent months in my spare time on the dev mailing list and reading through things I just never seemed to develop any momentum with the code. Eventually I unsubscribed and got my free time back and uncluttered my mailbox. Like a lot of people I have some little open source defunct projects lying around on the net, but they're not large and I'm the only contributor. At the moment I'm more interested in contributing to a large open source project and want to know how people got started because I find it difficult while working full time to develop any momentum with the code base. Other more regular contributors, who are on the project full-time, are able to make changes at will and as result enter that positive feedback cycle where they understand the code and also know where it's heading. It makes the barrier to entry higher for those that come along later. My questions are to people who actively contribute to large opensource projects, like the Linux kernel, or gcc or clang/llvm or anything else with say a developer head count of more than 10. How did you get started? Was there a large chunk of time in your life that you just could dedicate to working on the project? I know in Linus's case he had a chunk of time (6 months) to get it started. What barriers to entry did you encounter? Can you describe the initial stages of the time spent with the project, from when you had little understanding of the code to when you understood enough to commit regularly. Thanks

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• Google Chrome doesn't stay logged in to Google sites when using pinned tabs

  - by Nick T

  Despite checking "stay logged in" or the like on Gmail or Docs, Chrome refuses to do so when I close and re-open it with Google sites pinned. If they're not pinned, it works fine. The "Clear cookies and other site and plug-in data when I close my browser" checkbox in the settings is not checked, and I don't have any cookie exceptions. All settings are defaults. Nor is the incognito mode being used. This occurs on all my computers using Chrome. I have deleted my cookies file (%userprofile%\AppData\Local\Google\Chrome\User Data\Default\Cookies) with no effect (other than losing the logins that ordinarly work fine). Of note is that when I relaunch Chrome with Gmail pinned and it asks me to log in, doing so once will fail (does nothing; no errors), then it will work on the second attempt. If I refresh the window before doing so, it will work on the first attempt.

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• Creating ISO image of NTFS partition in Ubuntu

  - by Pappai

  Hi, I have a system that has to be formatted often because of the specific use of it (Use it in internet cafe). I have to install the drivers and apps each time. That is a time consuming and cumbersom task for me. I want to install windows, drivers, apps etc. once and create a backup of the entire C:\ drive, and keep it in a linux partition so that I can restore the OS with all the apps & drivers ready to go! I have ubuntu live CD with me and I have created a linux partition (ext4) in the HDD. My question is: How can I create an ISO image of the C:\ drive (ntfs disk) in Ubuntu and store it in the linux partition?

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• We really only have ONE rule...

  - by Chris G. Williams

  Had to show someone the door today... bummer.     At Big Robot Games we really only have one rule and it's not all that complex:   If you're going to hang out here all day, you should satisfy AT LEAST one of the following criteria: 1) You buy some food and/or drinks. 2) You occasionally buy product. 3) You play as part of a sanctioned tournaent or gaming group. 4) You act like you have some sense (i.e. have manners.)   We would love it if you manage to do all of the above, of course, but we're really perfectly content to settle for only getting a 1-2 of them at a time.    We don't have a problem with people bringing food in, and we understand that you aren't going to buy a game every time you come here. And yes, we know that people enjoy hanging out here with their friends. We can even overlook your odd quirks and personality issues, provided you're spending a little money once in a while (this IS a BUSINESS, after all.)   However... if you can't manage to do ANY of the things I listed above, and then you get lippy with me about it, well... it's time to say goodbye.

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• Should `keepalive_timeout` be removed from Nginx config?

  - by Bryson

  Which is the better configuration/optimization: to explicitly limit the keepalive_timeout or to allow Nginx to kill keepalive connections on its own? I have seen two conflicting recommendations regarding the keepalive_timeout directive for Nginx. They are as follows: # How long to allow each connection to stay idle; longer values are better # for each individual client, particularly for SSL, but means that worker # connections are tied up longer. (Default: 65) keepalive_timeout 20; and # You should remove keepalive_timeout from your formula. # Nginx closes keepalive connections when the # worker_connections limit is reached. The Nginx documentation for keepalive_timeout makes no mention of the automatic killing, and I have only seen this recommendation once, but it intrigues me. This server serves exclusively TLS-secured connections, and all non-encrypted connections are immediately rerouted to the https:// version of the same URL.

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• JDeveloper News &ndash; Did You Know

  - by shay.shmeltzer

  There have been a few issues lately with access to blogs.oracle.com to write new messages – and as a result I’m a little behind on reporting the latest and greatest in JDeveloper. (I’m also unable to approve comments :-( ) But just in case you missed it here are a few note worthy things you should know: ADF Mobile Client went production – this is a solution that let you use ADF to develop on-device applications for mobile devices. You develop once and run on various devices (right now Blackberry and Windows Mobile with other platforms coming soon). For more information check out the ADF Mobile page on OTN. ADF Developer Certification goes production – you can now take the official test and get an official certification that you can include in your resume.Should be a must for any consultant looking to get ADF related gigs. Learn more about the ADF Certification Exam. ADF Vision Stencils Released – If you are looking for a quick way to draw prototypes of ADF screens you probably can’t get any faster and more accurate results than this. This is a set of Vision components that you can drag over and design a page visually. You can also set properties for components and do other advance things. You do need a license for Visio to use this, but the ADF stencils are free. We’ve been using these internally at Oracle for some time now and we thought the ADF community would enjoy these too. Download the ADF Visio Stencils here (and watch a youtube demo of how they work).

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• Run Active Directory Admin Center as another user

  - by dunxd

  I am trying to run Active Directory Admin Center (dsac.exe) on Windows 7 as another user by means of creating a shortcut, rather than having to Shift+Right click and specify the user. On Windows XP I could create a runas shortcut like this (forget for a moment that dsac.exe does not exist in Windows XP): runas /user:DOMAIN\user dsac.exe When I run this on Windows 7, the cmd style windows pops up and asks for the password for DOMAIN\user, but I get the following message: Attempting to start dsac.exe as user "DOMAIN\user" ... RUNAS ERROR: Unable to run - dsac.exe 740: The requested operation requires elevation. How do I get Windows 7 to automatically run dsac.exe as a specified user? I'm happy to fill in a password prompt for the specified user, but would be even happier if there was a solution that cached the password, so I didn't have to enter it more than once a day.

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• Unity in 12.10 comes up behind other windows

  - by ams

  I've just upgraded from 12.04 to 12.10. For the most part, everything works fine, but I have a few small problems with Unity, or maybe Compiz. When I hit the Super key, or click on the dash launcher, the dash sometimes comes up behind the other windows on the screen. As you can imagine, this makes it somewhat tricky to use. Once it has started coming up behind, no amount of trying again will convince it to come back to the front. Possibly related, the Alt-Tab switcher doesn't show either. It maybe that there isn't one, or maybe that's behind also? Alt-Tab does switch the windows, but there's no visual indicator. When I hit Super-W, the windows do all do the zoom thing, but it's slow and juddery where it used to be smooth in 12.04. I'm using the standard "radeon" driver, same as before, with a triple-head monitor setup (and that works fine). I've not tried the proprietary drivers as I've previously found the multi-monitor support much weaker than the default driver, but maybe that's the way to go now? Video play fine. Even WebGL seems ok. Do other see this problem? Is it a bug? Or have I just got some left-over config from 12.04 in the way?

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• Weird RAM Upgrade Experience

  - by Axel Isouard

  I have a laptop, HP EliteBook 8540p having originally 4GB RAM and I've recently bought Corsair Value Select SO-DIMM 16 Go (2x 8 Go) DDR3 1333 MHz. It fits the required RAM specifications perfectly, and once I've inserted them, the BIOS recognizes the memory correctly, but my linux Gentoo running on kernel 3.1.6 SMP x86_64 crashes immediately when I'm running an app which consumes a lot of memory. The laptop crashes as if there's no more battery left, when the memory reaches at least 6000MB ram. Windows 7 doesn't want to run anymore, it shows a blue screen with the IRQ LESS OR EQUAL error if I set 8GB, and it doesn't boot at all if I set 16GB. Is there something I could do to fix this please ?

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• APC serving old code intermittently running with Lighttpd and PHP Fast CGI

  - by APZ

  I recently started facing this problem that APC shows old code when we upload a html template file to fix/ change something on our websites. We run APC with Stat=0 and want to keep it that way because we seldomly make changes to templates. Every time we upload a template we make sure to flush APC cache and we execute this script(shown only some part of the script here) to clear the cache: apc_clear_cache(); apc_clear_cache('user'); apc_clear_cache('system'); apc_clear_cache(opcode); We use lightpd and PHP Fast CGI and fast cgi has "max-procs" = 2, "PHP_FCGI_CHILDREN" = "5", Even after flushing APC once upload is complete it serves the old template intermittently. Any help would be appreciated.

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• Acer Aspire One 725 - missing graphic card driver for Radeon HD 6290?

  - by Melon

  Recently I bought an Acer Aspire One 725 Netbook and installed Ubuntu 12.10 on it. I bought it, because it can run HD movies and has Full HD on external VGA port. However, movies from youtube have a really slow framerate. If you open three tabs in Opera (for example g-mail, youtube and askubuntu) it gets really laggy. My suspicion is that the driver for graphic card is missing. When I check the System->Details->Graphics the driver is unknown. After running lspci | grep VGA I get this output: 00:01.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Device 980a From what I see, I have a AMD C70 processor integrated with (or something similar) AMD Radeon HD 6290. Has anyone had the same problem? Do you know which drivers need to be installed for the graphics to work properly? On official Acer page there are only drivers for Win7 and Win8... Update: I have tried installing fglrx but I get the following error (either I don't have libraries or someone didn't make a clean build before release ;) /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c: In function ‘KCL_MEM_AllocLinearAddrInterval’: /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:2124:5: error: implicit declaration of function ‘do_mmap’ [-Werror=implicit-function-declaration] /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:2124:13: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c: In function ‘kasInitExecutionLevels’: /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:4159:5: error: ‘cpu_possible_map’ undeclared (first use in this function) /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:4159:5: note: each undeclared identifier is reported only once for each function it appears in /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:4159:5: warning: left-hand operand of comma expression has no effect [-Wunused-value] Update 2: After fixing the erros in compilation, ubuntu acts bizarre and unstable (no left icon panel, no upper panel, cannot run any programs, I only see desktop)

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• How to Integrate Dropbox with Pages, Keynote, and Numbers on iPad

  - by The Geek

  The iWork apps are some of the best apps on the iPad, and each show just how powerful a touchscreen device can be with the most basic of computing functions. In fact, there’s not much to dislike about the iWork apps, except for one thing: importing and exporting files. You can open documents from email attachments, download them from websites, or import them from other apps like Dropbox. Once you’ve opened your file in Pages, Keynote, or Numbers on iPad, though, you can only send it via email, upload it to a WebDAV server or Apple’s iDisk service, or wait to sync it with iTunes on your computer. Most other iOS office apps don’t offer nearly as many features as the iWork apps, but they do offer deep integration with Dropbox which makes it easy to view and edit your documents no matter where you are. Dropbox is the most popular file sync and sharing solution, and makes it absolutely painless to share folders with anyone around the world and keep your computers in sync. That is, computers and applications that integrate with Dropbox. However, you don’t need to give up on using Dropbox with iWork apps on iPad. Today we’re going to look at how you can enable WebDAV compatibility on your Dropbox account to let Pages integrate nearly the whole way with Dropbox. It’s not a perfect solution, but it’s much better than the default setup. So let’s get started Latest Features How-To Geek ETC How to Integrate Dropbox with Pages, Keynote, and Numbers on iPad RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean? How to Recover that Photo, Picture or File You Deleted Accidentally How To Colorize Black and White Vintage Photographs in Photoshop How To Get SSH Command-Line Access to Windows 7 Using Cygwin The How-To Geek Video Guide to Using Windows 7 Speech Recognition Stylebot Customizes Web Pages in Chrome, Now Has Downloadable Styles Blackberry, Dell, Apple, and Motorola Tablets Compared [Infographic] Encrypt Your Google Search Queries Vintage Posters Showcase the History of Tech Advertising Google Cloud Print Extension Lets You Print Doc/PDF/Txt Files from Web Sites Hack a $10 Flashlight into an Ultra-bright Premium One

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• Loked out: Windows 8.1 administrator account disabled

  - by Gregory MOUSSAT

  I installed a Windows 8.1 laptop. By default the Administrator account is disabled. During the install process, the user created belongs to the administrators group (call it FirstUser). I installed various softwares, I created a normal account for the user (call it RealUser), and I mistakenly deleted FirstUser account (while I was connected under this account). I rebooted and... oh well, I understood the mistake. I no longer have access to any administrative privileges. The laptop is still in workgroup. I tested with Offline Windows Password & Registry Editor (latest version): activated Administrator account, and blancked its password (no option to set a new one) gave RealUser account administrative privileges After reboot, only RealUser account is still available. Once logged in, I'm unable to access anything requiring administrative provileges. Does anyone know a way to successfully activate the Administrator account, or whatever ?

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• I setup vsftpd on ubuntu server on my ec2 instance, how to connect using SSH?

  - by Blankman

  I connect to my ec2 instance using ssh so I don't have to login each time. I just installed vsftpd on the ubuntu server, but when I connect it obviously asks for my username and password. Since I connect using the ubuntu user that my AMI comes with, I don't even know the root password. Is there a way I can login via ftp using SSH? Or do I just create a user on the system for ftp purposes? I've locked ftp to my IP address, and I will shutdown the ftp service once I'm done as I dont need it running 99.99999% of the time.

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• How can I see the structure of a webpage inline?

  - by Coldblackice

  How can I see a webpage's structure "inline" with the visual representation of the actual page, all at once? I'm trying to understand HTML layout better, but it's hard to get a feel for it, even having the source open on a separate monitor, because there's just so much expansive and miscellaneous code. I suppose I could sift through it, clean it up, and set up some type of custom collapsible tree system, but that would take too long for the amount of pages I'd like to get a quick view of the layout/structure of. For reference, I'm using Firefox for my internet browsing.

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• How do I boot to a windows recovery partition from GRUB in a Toshiba computer?

  - by Andy Groff

  This should be simple but I cannot figure out how to do it. I've been dual booting ubuntu and vista for a while. About 8 months ago, I realized my windows partition got corrupt and does not boot. This wasn't a problem since I didn't need it anyways, but now I do need windows. Using the disk manager I can see a partition called Toshiba System Volume which is 1.6 GB and one called HDD Recovery which is 7.8 GB. I assume the second one is what I need and i'm not sure what the first one is for. Anyways, how do I boot to this one? Is it a matter of configuring GRUB to boot to it? Once I do boot to it will it let me only reformat my windows partition, or is it going to restore the entire hard drive to factory condition? I assume I'll get the general windows installer which lets me choose the partition but, as you can probably tell, I've never used a recover partition. Should I burn the contents of the partition to a disk and boot to that? Sorry if this is obvious but I'm confused and cannot figure this out.

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• Make laptop boot to external monitor

  - by Ozzy

  Hi all. Heres my setup: Dell 1737 2x Dell U2311H The laptop lid is always closed and is wall mounted behind the monitors. Every time i boot the laptop, i have to open the lid a little until it goes to the win 7 logon screen. Once there, i close the lid and both monitors get detected and the laptop screen switches off. As the laptop is wall mounted how ever, its really tedious to keep opening and closing the lid. Is there any way i can make it default to the external monitors permanently? Any suggestions are welcome, even hardware mods. Im willing to rip apart the laptop to install a switch or something if needs be lol

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• Manual TRIM Windows 7 on OCZ VERTEX 2 SATA II 2.5" SSD

  - by INTPnerd

  I have an OCZ VERTEX 2 SATA II 2.5" SSD with Windows 7 Professional installed on it. I am pretty sure TRIM is not working because my motherboard is the Asus M2N-SLI (not the Deluxe model) which does not support AHCI mode for the drive. Is there a utility that is compatible with this drive that I could possibly run once a day that would do something similar to a manual TRIM in order to keep the drive performance up? I could not find one specifically for this drive on the OCZ website. I did find a User-Initiated Garbage Collection wiper tool, but it is for a Vertex drive not Vertex 2. I tried to run it, but it said that wiper could not be run for all the drives on this system.

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