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• Out of sync audio / video on Hackintosh

  - by user22902

  I have a PC with OSx86 (10.6.2) on it. Under Leopard my videos worked great, but now with VLC the audio is all garbled and video is way too fast. In Quicktime X video is too fast. MPlayer OSX Extended plays videos fine, but doesn't support many codecs. I have a Geforce 9800 GTX with qe ci ocl... If theres no solution, then are there any other players for OS X that support a lot of codecs? I don't like Windows so that's not an option. Thanks

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• Pure-FTPd linux upload problems - 500 Unknown command

  - by user1801273

  I'm running Centos with Kloxo CP and PureFTPd on VPS based on HyperVM. The problem - during the day, there are periods when FTP wors fine for hours, but sometimes it dies with "500 Unknown command" code. for files larger than 2Kb. This is really weird - with files less than 2472-2484 bytes everything would work fine, but with bigger files ftp would start writing file, would drop on 2Kb and would return "500 Unknown command" . This happens on Passive AND/OR Active connections for any filetypes. Logs are showing like the file was uploaded successfully , but the speed nearby the action would be 0.3 -0.5 Kb , when normal operation would report 70-150Kb/s speeds. I do have some Iptables firewalls on both HyperVM host,and VPS , however these are static, and most of the time it works just fine. Any suggestions on where to look for a solution would be appreciated :)

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• Windows 8 wmvcore.dll

  - by Dominykas Mostauskis

  I am running Windows 8 Pro N x64 without Windows Media Player (which might be called Windows Media Center in the case of Windows 8) preinstalled. Apparently certain software packages require WMP to be installed, in my case Premiere Pro, (wmvcore.dll required error); however, Microsoft will only be releasing it at the end of October, which is a month from now, while no other WMP packages seem to install on Windows 8. Tried downloading a Windows 7 x64 SP1 wmvcore.dll to no avail. This is a problem for many people at the moment, and a solution would be appreciated.

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• Do I need path finding to make AI avoid obstacles?

  - by yannicuLar

  How do you know when a path-finding algorithm is really needed? There are contexts, where you just want to improve AI navigation to avoid an object, like a space -ship that won't crash on a planet or a car that already knows where to steer, but needs small corrections to avoid a road bump. As I've seen on similar posts, the obvious solution is to implement some path-finding algorithm, most likely like A*, and let your AI-controlled object to navigate through the path. Now, I have the necessary skills to implement a path-finding algorithm, and I'm not being lazy here, but I'm still a bit skeptical on if this is really needed. I have the impression that path-finding is appropriate to navigate through a maze, or picking a path when there are many alternatives. But in obstacle avoidance, when you do know the path, but need to make slight corrections, is path finding really necessary? Even when the obstacles are too sparse or small ? I mean, in real life, when you're driving and notice a bump on the road, you will just have to pick between steering a bit on the left (and have the bump on your right side) or the other way around. You will not consider stopping, or going backwards. A path finding would be appropriate when you need to pick a route through the city, right ? So, are there any other methods to help AI navigation, except path-finding? And if there are, how do you know when path-fining is the appropriate algorithm ? Thanks for any thoughts

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• Linux software to maintain old/backup versions of directory tree

  - by Bittrance

  I am replacing an old Linux file server serving NFS and CIFS. For the new server (still serving CIFS and NFS), I would like to have software that automatically and efficiently maintains old revisions of files in parallel trees, so that they can be accessed by users without special tools. I am looking for software that is akin to Time Machine or Flyback, but works well on a server. The dataset is some 10000 files weighing maybe 60 GB. Changes are relatively few, usually less than 100 files changes daily. Using LVM snapshots will not cut it, as the old revisions must reside on a separate set of disks from the live data. Edit: To clarify: keeping old revisions is non-vital addition to the solution, so any suggestion will have to stay in the range of some hundred euros.

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• Black screen on Ubuntu 12.04

  - by user1648371

  I've just upgraded to Ubuntu 12.04 and I'm experiencing some problems. The first thing I noticed is that when I click the Workspace switcher all I get is a black screen (I can guess where the different workspaces are located and clicked on them, not a practical solution though). In addition when I lock the screen or suspend the laptop (a Vaio VPCEB4M1E) I get a shifted screen (I see the right most vertical stripe on the left size of the monitor and nothing about all the rest, to put it clearly I can see the gear that allows me to turn the pc off, etc, but not much more..) when I go to the additional driver menu I see the "ATI/AMD proprietary FGLRX graphics driver" are installed and the post-release update version is available. I don't know if the problem is driver related, so before doing anything I'd like to get some suggestions from you guys. Thanks you!

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• Looking for Inneroffice Access Tool, Workstation to Workstation

  - by nicorellius

  This may be a simple question to answer, and I apologize if it's a duplicate. I looked through the suggestions and nothing jumped out at me as the right answer, so here goes: My office has several workstations, Macs and Windows boxes. We do have a firewall and a VPN solution, so getting in to the network from outside is easy. Likewise, we use GoToMeeting for demos and when we help our customers with their issues. But we have one workstation that has certain testing tools on it, and instead of walking across the office to this machine, I'd like to access it from my desk (and monitor it). I will need to open a command line and run commands. I could start a GoToMeeting and do it this way, but that seems overkill and clunky. Is there a simpler tool that allows pseudo-remote access within the same office/network for this kind of access?

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• Split section of video with ffmpeg

  - by Rob

  I've been trying to get this to work and I'm really close, but something still isn't right. I have a 14 second clip I'm trying to cut out of a longer mp4 video. I got the video to cut to the right place with this command: ffmpeg -ss 00:05:13.0 -i ~/videos/trim_me.mp4 -vcodec h264 -acodec copy -t 00:00:14.0 ~/videos/trimmed.mp4 If I didn't specify -vcodec it was starting from an "I-Frame" (I guess) and wasn't the right place. The audio is starting from that spot as well, so I tried setting -acodec the same way: ffmpeg -ss 00:05:13.0 -i ~/videos/trim_me.mp4 -vcodec h264 -acodec aac -ac 2 -ab 225k -ar 48000 -strict -2 -t 00:00:14.0 ~/videos/trimmed.mp4 Which doesn't really help much. Setting -async 1 makes it take longer, and then the audio does match up, but not until 4 seconds into the video. :/ I'd ideally not like to install anything else and have a commandline solution for this.

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• Load balancing Apache on a budget?

  - by Industrial

  Hi everyone, I am trying to get my head around the concept of load balancing to ensure availability and redundancy to keep users happy when things go wrong, rather than load balancing for the sake of offering blistering speed to millions of users. We're on a budget and trying to stick to the stuff where there's plenty of knowledge available, so running Apache on Ubuntu VPS's seems like the strategy until some famous search engine acquire us (Saturday irony included, please note). At least to me, it's a complete jungle of different solutions available. Apaches own mod_proxy & HAproxy are two that we found by a quick google search, but having zero experience of load balancing, I have no idea of what would be appropriate for our situation, or what we would look after while choosing a solution to solve our availability concerns. What is the best option for us? What should we do to get availability high whilst staying inside our budgets?

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• ClearOS - how to avoid getting stuck at a fsck message at boot?

  - by Scott Szretter

  I have had this happen a couple times - I have a ClearOS Enterprise 5.2 box, and due to a power outage or similar, it ends up showing an error at boot and saying that fsck needs to be run (I think it said with (or without?) the -a parameter). The problem is, I need this box to be headless, at a remote location (miles away)! SO, I need to come up with a solution on how to either have it automatically repair itself, without someone to be present with a monitor and keyboard. Another possibility is to simply avoid the issue all together - maybe there is something that can be changed so it's very unlikely to happen (I am unable to avoid the power outage of course - at least not practically). Finally, maybe it can be boot off a read only media (cd) or file system or similar? At least the base OS, so that it would always at least boot with enough configuration that might allow remote access, or basic connectivity?

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• Why Oracle Delivers More Value than IBM in Data Integration Solutions

  - by irem.radzik(at)oracle.com

  For data integration projects, IT organization look for a robust but an easy-to-use solution, which simplifies enterprise data architecture while providing exceptional value-- not one that adds complexity and costs. This is a major challenge today for customers who are using IBM InfoSphere products like DataStage or Change Data Capture. Whereas, Oracle consistently delivers higher level value with its data integration products such as Oracle Data Integrator, Oracle GoldenGate. There are many differentiators for Oracle's Data Integration offering in comparison to IBM. Here are the top five: Lower cost of ownership Higher performance in both real-time and bulk data movement Ease of use and flexibility Reliability Complete, Open, and Integrated Middleware Offering Architectural differences between products contribute a great deal to these differences. First of all, Oracle's ETL architecture does not require a middle-tier transformation server, something IBM does require. Not only it costs more to manage an additional transformation server including energy costs, but it adds a performance bottleneck as well. In addition, IBM's data integration products are complex and often require lengthy professional services engagements to integrate. This translates to higher costs and delayed time to market. Then there's the reliability factor. Our customers choose Oracle GoldenGate over IBM's InfoSphere Change Data Capture product because Oracle GoldenGate is designed for mission-critical systems that require guaranteed data delivery and automatic recovery in case of process interruptions. On Thursday we will discuss these key differentiators in detail and provide customer examples that chose Oracle over IBM in data integration projects. Join us on Thursday Feb 10th at 11am PT to learn how Oracle delivers more value than IBM in data integration solutions.

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• BizTalk 2009 - The Community ODBC Adapter: Installation

  - by Stuart Brierley

  I have previsouly detailed the installation of MySQL, the configuration of MySQL and the installation of the ODBC Data Connector for MySQL.  The reason I needed to install and configure these servers was to provide a test environment for a BizTalk Server 2009 solution I am working on where BizTalk will be querying and populating a MySQL database. To do this I then needed to install and add the Community ODBC adapter from Two Connect: "The Community BizTalk Adapter for ODBC is based on the code that was first made available on GotDotNet a few years ago. TwoConnect has refreshed this code, added an installer, and tested it against the latest BizTalk editions. We are releasing the updates back to the BizTalk developer, user and partner community as part of our ongoing community intitiatives. This is the second adapter package that TwoConnect makes available to the community after the very succesful release of the BizTalk WSE 3 adapter a couple of years ago. This adapter is useful in all ODBC based integration scenarios. The following are the new features added and fixes made to the old code base on GotDotNet." Detailed below are the installation instructions for this adapter.  Downloading and running the installer will load up the splash screen. Next you need to select the installation location for the adapter. You then need to confirm the installation following which you will be shown the installation progress. Assuming all has gone well you should see the installation complete screen. Once the installation has completed successfully you will then need to add the adapter to your BizTalk Server.  To do this open the BizTalk Administration console, expand the Platform Settings and right click on Adapters then select New\Adapter. You should then be able to select the ODBC adapter and choose the display name for the adapter. This adapter will then be shown in the BizTalk Administration console. Next I will be looking at using the ODBC Adapter when: Generating schemas Creating a receive port Creating a send port

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• Tomcat fails to start, no logs or error provided

  - by Alex Kuhl

  I have a Centos5 box running tomcat5 (a version before 5.5, there's no bin/version.sh script). When attempting to start tomcat, whether through init.d or service, I get the FAILED message with no other information provided. The date on catalina.out changes but it has no contents and is 0 bytes. logging.conf has not been edited and everything is marked as FINE detail. Has anyone experienced this and know of a solution? Or, failing that, how can I get some log/error info from tomcat to try to pinpoint the issue?

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• How to change MySQL data directory?

  - by Jonathan Frank

  I want to place my databases in another directory, so I can store them in an ESB (elastic block storage, just a fancy name for a virtualized harddisk) together with my web-apps and other persistent data. I have tried to walk through a tutorial at http://crashmag.net/change-the-default-mysql-data-directory-with-selinux-enabled. Everything seems fine until I type this command: # semanage fcontext -a -t mysqld_db_t "/srv/mysql(/.*)?" Then the command fails and tells me that mysqld_db_t is an invalid SELinux context even if the default MySQL data directory is labelled with this context. I am running Fedora 15 on Virtualbox (behaves like an ordinary x86-compatible box) and Amazon EC2 (based on Xen) so the tutorial should be compatible. It is also worth to mention that turning off SELinux globally or just for the MySQL process is not an option, because such a solution will decrease the security of the system if a hacker gains access to the system via the MySQL server. I have never seen this problem before I changed to the Redhat/Fedora architecture, so it could be a distribution specific issue. Any help is highly appreciated

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• How to black out second monitor when playing a full screen game?

  - by Gary

  I've got two monitors. When I play a full screen game in my primary monitor, the second monitor still shows the Windows desktop. How can I black out the second monitor so that it doesn't show anything at all? My graphics card is from ATI. I'm running Windows 7 in Boot Camp on an iMac. I don't know if this makes a difference, however, as any solution to my question will do, really. For instance, is there a tiny app that I could run to disable the second monitor for a while? I'd rather not have to open Windows display settings every time I run a game and disable the monitor that way, though.

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• Are there no downsides to NetApp SAN solutions other than price?

  - by flashkube

  We have pretty much decided on a NetApp solution for our first SAN. Given that, I've been tasked with finding as much reason not to go with NetApp as I can. We like to do this A) so we know what we're getting into and B) so we aren't clouded by the inevitable post vendor demo euphoria. I have scoured the internet for cons and can only find one: price. Have you had a nightmare experience with NetApp that you just want to get off your chest? Please, only people with NetApp experience. Thank you!

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• Track a Adobe Flash app hosted on multiple domains with Google Analytics

  - by roberkules

  I'm working on a flash app that's gonna be distributed to more and more partners (and obviously domains). It needs to be tracked aggregated and also separately. I implemented Google Analytics using gaforflash, tracking virtual pageviews and events inside the flash app. What I want to achieve: View an aggregated report of all partners. Identify the partner not by the domain (where the flash is used), but by a partnerID. Each partner needs access to the report of his domain. (no admin rights needed) I came up with this solution: Using only one "Web property" in Google Analytics. UA-XXXXXX-4 .example.com Set a custom/virtual hostname per partner. (GA's "utmhn" parameter) partner1.example.com partner2.example.com Create a profile for each partner, setting the filter to include only the relevant "subdomain" Problems that came up: The gaforflash library doesn't support overriding the host name. Possible workaround: The gaforflash source code is available, so I could add the functionality. Any goal from the "master" profile is not copied to the partners profile. profile 1: include traffic from hostname ^partner1\. profile 2: include traffic from hostname ^partner2\. Is it (very) bad to fake the hostname? Are there better approaches? Or what improvements could you think of? UPDATE: I'm looking primarily for a solid data structure inside Google Analytics regardless of the flash implementation. The only limitations: We need an aggregated view across all partners Our partners need to have access to their subset of data We want to identify the partner by a custom partnerID, not the domain

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• Wordpress site on EC2 instance suddenly superslow

  - by Emil

  Set up a wordpress page the other day following this guide. The site was up and running, loading quickly and all was well, until today. Suddenly, loading the site takes forever and doesn't even work properly, the page shows up in an incomplete fashion. I tried rebooting the instance but that didn't help. The only actions I've taken on the server is to create an elastic IP, and to point a domainname to that IP. But I don't see how that could've slowed down the page. Any thoughts on what could have caused this and on a solution to the problem?

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• What is the best aproach for coding in a slow compilation environment

  - by Andrew

  I used to coding in C# in a TDD style - write/or change a small chunk of code, re-compile in 10 seconds the whole solution, re-run the tests and again. Easy... That development methodology worked very well for me for a few years, until a last year when I had to go back to C++ coding and it really feels that my productivity has dramatically decreased since. The C++ as a language is not a problem - I had quite a lot fo C++ dev experience... but in the past. My productivity is still OK for a small projects, but it gets worse when with the increase of the project size and once compilation time hits 10+ minutes it gets really bad. And if I find the error I have to start compilation again, etc. That is just purely frustrating. Thus I concluded that in a small chunks (as before) is not acceptable - any recommendations how can I get myself into the old gone habit of coding for an hour or so, when reviewing the code manually (without relying on a fast C# compiler), and only recompiling/re-running unit tests once in a couple of hours. With a C# and TDD it was very easy to write a code in a evolutionary way - after a dozen of iterations whatever crap I started with was ending up in a good code, but it just does not work for me anymore (in a slow compilation environment). Would really appreciate your inputs and recos. p.s. not sure how to tag the question - anyone is welcome to re-tag the question appropriately. Cheers.

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• install AMD Driver on HP Pavilion dv6-6051er on ubuntu 13.10 amd64

  - by user1685095

  So... I've tried to follow this instructions After running sudo dpkg -i fglrx*.deb I got a bunch of errors about missing packages, so I've star?d to install them one by one and stuck on this one. Unpacking fglrx-dev (from fglrx-dev_12.104-0ubuntu1_amd64.deb) ... dpkg: dependency problems prevent configuration of fglrx: fglrx depends on lib32gcc1; however: Package lib32gcc1 is not installed. fglrx depends on dkms; however: Package dkms is not installed. dpkg: error processing fglrx (--install): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of fglrx-amdcccle: fglrx-amdcccle depends on fglrx; however: Package fglrx is not configured yet. dpkg: error processing fglrx-amdcccle (--install): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of fglrx-dev: fglrx-dev depends on fglrx; however: Package fglrx is not configured yet. dpkg: error processing fglrx-dev (--install): dependency problems - leaving unconfigured Processing triggers for ureadahead ... ureadahead will be reprofiled on next reboot Errors were encountered while processing: fglrx fglrx-amdcccle fglrx-dev sudo apt-get install lib32gcc1 Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: fglrx : Depends: dkms but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). So, what sould I do next to install this drivers?

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• Why BSNL 3G not opening some websites ? [closed]

  - by Sarang

  I am Sarang Dave from India. I am using BSNL 3G prepaid wireless broad band. When I have purchased it, it could open the website : http://stackoverflow.com But, now from last 2 months, I am unable to open this website. :( I have changed my DNS server to 8.8.8.8 & Alternate server to 8.8.4.4. This both are the free google dns servers. But, still facing the same problem. For reference : http://code.google.com/speed/public-dns/docs/using.html I am getting following error after loading : The server at stackoverflow.com is taking too long to respond. Please suggest the solution. For reference : Few websites not opening with BSNL 3g Husshhh!! Finally DNS issue solved In Pune By BSNL 3G team. BSNL 3G: Ya Sites will open now :P Thank you.

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• How can you connect three external displays to a laptop with only one vga or dvi port and plenty of

  - by Byron

  I have had some success with usb docks like this Universal Docking Station by Kensington to connect one external display to my laptop while using the onboard vga port for another display. But that's only two displays and I'm shooting for three. All I do is develop software and work in Photoshop... no games. For the sake of discussion, we can assume a Thinkpad or equivalent laptop with Windows 7 (I'm hoping for a platform-agnostic solution). How could I do this?

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• How to change the fonts used in Foxit Reader?

  - by user982438

  I really want to use Foxit Reader as my default PDF reader for its Tab Interface, and low memory footprint. Having tried mutiple times over the years the only thing that is stopping me are the Fonts. PDF in Adobe Reader looks Regular, but PDF Rendered in Foxit Looks Ugly. Would this solution works in Chrome as well? Since i record Chrome is using Foxit Reader as its embedded PDF engine. And is there any reasons why Fonts are used differently in Adobe and Foxit Reader?

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• Custom dedicated email server combined with Amazon AWS?

  - by Simon

  Hi there. We are considering moving our servers to Amazone EC2 cloud. The only thing that stops right now is their problems with ip ranges banned from spam mail lists like SORBS. We are considering leaving one dedicated server in our current hosting, the one which we use to send mail (and other several features we will move to EC2), in order to be able to send the mails from this smtp server instead from Amazon. So, the idea is to have our sites hosted in EC2, and when they need to send mail, redirect they to our "local" smtp server. Do you think it´s viable? Can you think on a better solution? Thanks in advance, Simon.

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• Exchange not preserving the "To:" field

  - by Matt Simmons

  I've got a hosted exchange solution through Apptix, which isn't the problem, I think, but it may be relevant. I have my main account, [email protected], and to that, I have an alias, [email protected]. Whenever I send an email to [email protected], I examine the headers, and I see the "To:" field being correct, "To: [email protected]". All is well. I recently set up another user, [email protected] to function as a multipurpose mailbox. I aliased "[email protected]" to the services account in the same method that I did "[email protected]", however nothing I have sent to "[email protected]" actually goes TO "[email protected]". All of the headers say "To: [email protected]". This makes it extremely difficult to filter based on headers alone. Does anyone have any feedback on what settings I would need to look at in order to fix that?

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