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  • Emacs: methods for debugging python

    - by Tom Willis
    I use emacs for all my code edit needs. Typically, I will use M-x compile to run my test runner which I would say gets me about 70% of what I need to do to keep the code on track however lately I've been wondering how it might be possible to use M-x pdb on occasions where it would be nice to hit a breakpoint and inspect things. In my googling I've found some things that suggest that this is useful/possible. However I have not managed to get it working in a way that I fully understand. I don't know if it's the combination of buildout + appengine that might be making it more difficult but when I try to do something like M-x pdb Run pdb (like this): /Users/twillis/projects/hydrant/bin/python /Users/twillis/bin/pdb /Users/twillis/projects/hydrant/bin/devappserver /Users/twillis/projects/hydrant/parts/hydrant-app/ Where .../bin/python is the interpreter buildout makes with the path set for all the eggs. ~/bin/pdb is a simple script to call into pdb.main using the current python interpreter HellooKitty:hydrant twillis$ cat ~/bin/pdb #! /usr/bin/env python if __name__ == "__main__": import sys sys.version_info import pdb pdb.main() HellooKitty:hydrant twillis$ .../bin/devappserver is the dev_appserver script that the buildout recipe makes for gae project and .../parts/hydrant-app is the path to the app.yaml I am first presented with a prompt Current directory is /Users/twillis/bin/ C-c C-f Nothing happens but HellooKitty:hydrant twillis$ ps aux | grep pdb twillis 469 100.0 1.6 168488 67188 s002 Rs+ 1:03PM 0:52.19 /usr/local/bin/python2.5 /Users/twillis/projects/hydrant/bin/python /Users/twillis/bin/pdb /Users/twillis/projects/hydrant/bin/devappserver /Users/twillis/projects/hydrant/parts/hydrant-app/ twillis 477 0.0 0.0 2435120 420 s000 R+ 1:05PM 0:00.00 grep pdb HellooKitty:hydrant twillis$ something is happening C-x [space] will report that a breakpoint has been set. But I can't manage to get get things going. It feels like I am missing something obvious here. Am I? So, is interactive debugging in emacs worthwhile? is interactive debugging a google appengine app possible? Any suggestions on how I might get this working?

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  • Google Analytics cookie across SagePay checkout

    - by AlexCambridgeUK
    We use SagePay's Server integration for our online payments. We use Google Analytics to track activity on our website and Google Ecommerce tracking to log transactions. In Google Analytics, under the Ecommerce view, it shows direct/none for source/medium, as the 1st party cookie is lost when visiting the external SagePay checkout pages before the customer is redirected to my confirmation page which tracks the transaction. In all the answers I have viewed when searching for a solution, the suggestion is to alter the tracking code to read _gaq.push(['_setDomainName', 'none']); _gaq.push(['_setAllowLinker', true]); but this needs to be implemented on all pages, including 3rd party domains (SagePay). As SagePay don't allow javascript in their template customisation, what can I do? Is there another way? Edit: I just found this code: var pageTracker = _gat._getTracker('UA-XXXXX-X'); pageTracker._setCampNameKey('ga_campaign'); // name pageTracker._setCampMediumKey('ga_medium'); // medium pageTracker._setCampSourceKey('ga_source'); // source pageTracker._setCampNOKey('ga_nooverride'); // don't override pageTracker._trackPageview(); Could I store pre-checkout values for source/campaign/medium to a cookie and the retrieve it post-checkout into the code above, or would this start a new tracking session?

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  • Polygons vs sprites rendering performance in Unity for windows phone 8

    - by Géry Arduino
    I'm currently building a windows phone 8 game with unity, having 111 (no more no less) sprites being updated each frames. I have a strong overhead in the profiler (70% to 90% minimum) I tried the following to get higher frame rate, I'm running it with minimum quality settings, I tried disabling and enabling V-Sync Finally I managedto get 60Fps, but I still have large overhead. I believe I should have more than 60Fps for such few amount. Moreover, I still have to implement the game logic over this so I'd like some room in my FPS to be able to work. I was wondering if it would be better in terms of performance to use polygons instead of sprites? As sprites are quite new in Unity, (that would give me around 222 triangles). Did someone tried to check the performance differences between sprites and actual mesh renderes in Unity when it comes to phones? If so what could be the best option in that case? FYI : I'm using the Windows Phone 8 emulator on Visual studio, I have a compliant computer for that so it should normally reflect the behavior of a real phone (expecting some differences but still...) EDIT : To clarify my question i wonder what is the most efficient in windows phone 8 : Sprites or Mesh renderers?

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  • Prevent zsh from trying to expand everything

    - by Attila O.
    Recently switched from bash, I noticed that zsh will try to expand every command or argument that looks like it has wildcards in it. So the following lines won't work any more: git diff master{,^^} zsh: no matches found: master^^ scp remote:~/*.txt . zsh: no matches found: remote:~/*.txt The only way to make the above commands work is to quote the arguments, which is quite annoying. Q: How do I configure zsh to still try to expand wildcards, but if there are no matches, just pass on the argument as-is? EDIT: Possibly related: scp with zsh : no matches found

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  • Stunnel delaying boot

    - by Onitlikesonic
    My stunnel implementation works fine when the network is plugged in but it takes an awful amount of time, which delays the whole boot process, when there is no network connected to the machine. As extra information: I'm using "delay=yes" I'm using an fqdn (e.g: stunnel.mydomain.com) for the connections Using ubuntu but this also happened with centos5 previously How can this be avoided or a timeout specified? edit: doing an strace as suggested by symcbean shows the following (including the last part where it hangs): [...] --- SIGCHLD (Child exited) @ 0 (0) --- rt_sigreturn(0x11) = 0 close(3) = 0 wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 6039 clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7ff9ce0c79d0) = 6046 wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 6046 --- SIGCHLD (Child exited) @ 0 (0) --- rt_sigreturn(0x11) = 6046 write(1, "[Started: /etc/stunnel/stunnel.c"..., 37) = 37 write(1, "stunnel.\n", 9) = 9 exit_group(0) = ? [...] stunnel hangs in this line: wait4(-1, and when i plug in the network cable it continues to show [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 6046

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  • How to watch 3D on Acer "3D Ready" projector?

    - by glenneroo
    We have here a Acer P1200 DLP projector which is "3D Ready" (using the BrilliantColor™ DarkChip™ 3) and documentation was not included in the packaging. We don't have a Blu-ray player and have no intention of purchasing one in the near future so I'm looking for a way to view encoded or streamed content. My question is: How is it possible to watch 3D content? What extra hardware/software will I need? EDIT: Found this information in the user manual: DLP 3D function: Choose while using DLP 3D glasses, quad buffer (NVIDIA/ATI…) graphic card and HQFS format file or DVD with corresponding SW player. 3D Sync L/R: If you see a discrete or overlapping image while wearing DLP 3D glasses, you may need to execute "Invert" to get best match of left/ right image sequence to get the correct image (for DLP 3D). ...but I'm still at a loss. What is a quad buffer graphics card?

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  • Oracle E-Business Suite (WebADI) integration with Oracle Open Office

    - by Harald Behnke
    Another highlight of the new Oracle Open Office Release 3.3 enterprise features is the Oracle E-Business Suite Release 12.1 (WebADI) integration. The WebADI integration in Oracle Open Office for Windows allows you to bring your Oracle E-Business Suite data into an Oracle Open Office Calc spreadsheet, where familiar data entry and modeling techniques can be used to complete your E-Business Suite tasks. You can create formatted spreadsheets on your desktop that allow you to download, view, edit, and create Oracle E-Business Suite data. Use data entry shortcuts (such as copying and pasting or dragging and dropping ranges of cells), or Calc's Open Document Format (ODF V1.2) compliant spreadsheet formulas, to calculate amounts to save time. You can combine speed and accuracy by invoking lists of values for fields within the spreadsheet. After editing the spreadsheet, you can use WebADI's validation functionality to validate the data before uploading it to the Oracle E-Business Suite. Validation messages are returned to the spreadsheet, allowing you to identify and correct invalid. This video shows a hands-on demonstration of the Oracle E-Business Suite integration: Read more about the Oracle Open Office enterprise features.

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  • Converting world space coordinate to screen space coordinate and getting incorrect range of values

    - by user1423893
    I'm attempting to convert from world space coordinates to screen space coordinates. I have the following code to transform my object position Vector3 screenSpacePoint = Vector3.Transform(object.WorldPosition, camera.ViewProjectionMatrix); The value does not appear to be in screen space coordinates and is not limited to a [-1, 1] range. What step have I missed out in the conversion process? EDIT: Projection Matrix Perspective(game.GraphicsDevice.Viewport.AspectRatio, nearClipPlaneZ, farClipPlaneZ); private void Perspective(float aspect_Ratio, float z_NearClipPlane, float z_FarClipPlane) { nearClipPlaneZ = z_NearClipPlane; farClipPlaneZ = z_FarClipPlane; float yZoom = 1f / (float)Math.Tan(fov * 0.5f); float xZoom = yZoom / aspect_Ratio; matrix_Projection.M11 = xZoom; matrix_Projection.M12 = 0f; matrix_Projection.M13 = 0f; matrix_Projection.M14 = 0f; matrix_Projection.M21 = 0f; matrix_Projection.M22 = yZoom; matrix_Projection.M23 = 0f; matrix_Projection.M24 = 0f; matrix_Projection.M31 = 0f; matrix_Projection.M32 = 0f; matrix_Projection.M33 = z_FarClipPlane / (nearClipPlaneZ - farClipPlaneZ); matrix_Projection.M34 = -1f; matrix_Projection.M41 = 0f; matrix_Projection.M42 = 0f; matrix_Projection.M43 = (nearClipPlaneZ * farClipPlaneZ) / (nearClipPlaneZ - farClipPlaneZ); matrix_Projection.M44 = 0f; } View Matrix // Make our view matrix Matrix.CreateFromQuaternion(ref orientation, out matrix_View); matrix_View.M41 = -Vector3.Dot(Right, position); matrix_View.M42 = -Vector3.Dot(Up, position); matrix_View.M43 = Vector3.Dot(Forward, position); matrix_View.M44 = 1f; // Create the combined view-projection matrix Matrix.Multiply(ref matrix_View, ref matrix_Projection, out matrix_ViewProj); // Update the bounding frustum boundingFrustum.SetMatrix(matrix_ViewProj);

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  • Trouble installing ubuntu server on virtualbox (osx)

    - by audio.zoom
    Hello all, I'm trying to install lucid lynx 10.04.2 server on a virtualbox on snow leopard. I have 2 server iso files freshly downloaded one i386 and one 64bit. When I try to start the virtual machine with either one set to be the cd drive I'm getting the same error: Failed to open a session for the virtual machine Ub. Failed to load VMMR0.r0 (VERR_SUPLIB_OWNER_NOT_ROOT). Unknown error creating VM (VERR_SUPLIB_OWNER_NOT_ROOT). Couldn't find anything on it on google so I'm trying to see if anyone else has dealt with this issue. Thanks much in advance! edit: just downloaded the 32bit desktop edition to same avail edit2: ran Disk Utility' replair permissions then restarted. New error VERR_SUPLIB_WORLD_WRITABLE (instead of VERR_SUPLIB_OWNER_NOT_ROOT)

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  • RAR Password recovery / hash extraction on OS X

    - by Josh K
    I'm running 10.6.2 and have been handed a couple of old files that need to be extracted. Old backups or finances or bills I believe. They are RAR files, and password protected. Is there a way to extract the hash from these files so I can feed it into John The Ripper or Cain and Abel? Edit I have downloaded cRARk, but unfortunately nothing I have (SimplyRAR, RAR Expander, The Unarchiver) will extract it without a password. Can someone verify that I'm crazy and there is no password on the Mac version?

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  • How to change the Target URL of EditForm.aspx, DispForm.aspx and NewForm.aspx

    - by Jayant Sharma
    Hi All, To changing the URL of ListForms we have very limited options. On Inernet if you search you will lots of article about Customization of List Forms using SharePoint Desinger, but the disadvantage of SharePoint Desinger is, you cannot create wsp of the customization means what ever changes you have done in UAT environment you need to repeat the same at Production. This is the main reason I donot like SharePoint Desinger more. I always prefer to create WSP file and Deployment of WSP file will do all of my work. Now, If you want to change the ListForm URL using Visual Studio, either you have create new List Defintion or Create New Content Type. I found some very good article and want to share.. http://www.codeproject.com/Articles/223431/Custom-SharePoint-List-Forms http://community.bamboosolutions.com/blogs/sharepoint-2010/archive/2011/05/12/sharepoint-2010-cookbook-how-to-create-a-customized-list-edit-form-for-development-in-visual-studio-2010.aspx Whenever you create, either List Defintion or Content type and specify the URL for List Forms it will automatically add ListID and ItemID (No ItemID in case of NewForm.aspx) in the URL as Querystring, so if you want to redirect it or do some logic you can, as you got the ItemID as well as ListID.

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  • Replication with SQL Server 2005 Express Edition and SQL Compact Edition 3.5

    - by Andy Gable
    I need some information on SQL Server 2005 Express edition. What I want to do is have my central database servin local machine databases IE back office Cental database |------------------- Shop floor Terminal 1 |------------------- Shop Floor Terminal 2 |------------------- Shop Floor Terminal 3 |------------------- Shop Floor Terminal 4 |------------------- Shop Floor Terminal 5 |------------------- Shop Floor Terminal 6 I want is so that Shop floor terminals would PULL down ANY changes to the database as and when they happen (selected changes are needed change would be Add new item / Edit Item info that is used by Shop floor terminal (ie price, description, sale group) Is this possible with SQL 2005? I have the ability to make my own Sync Applciation but I would need to know what to look for in the database that trigers a update Many thanks for any advice you can give Andy

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  • cloning mac address of physical server converted into vmware server

    - by user24981
    We've recently converted a physical Windows Server 2003 into vmware using P2V. However, one of the pieces of software on the 2003 machine are still looking for the old server's network MAC address in order to run. I've read several articles where it's discussed that you can modify the last part of the generated address and set it to static, but I need to clone the whole mac address to mimic the one in the old server. We're running CentOS and VMware server 2.0 as the host system. I was told that maybe adding in a second network card in the host and setting the virtual system's nic to that card instead of "bridged" would allow me to edit the vmx file and clone the whole MAC address. I can't use the old network card from the physical server because it's ISA and our new bus is PCI Any ideas? Thanks, Mike

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  • Virtualhost entries gets over-written when apache httpd.conf is rebuilt

    - by Amitabh
    Background: We have been trying to get a wildcard SSL working on multiple sub domains on a single dedicated address.. We have two sub domains next.my-personal-website.com and blog.my-personal-website.com Part of our strategy has been to edit the httpd.conf and add the NameVirtualHost xx.xx.144.72:443 directive and the virtualhost entries for port 443 for the subdomains there. This works good if we just edit the httpd.conf, add the entries, save it and restart the apache. The problem: But if we add a new sub domain from cpanel or we run the # /usr/local/cpanel/bin/apache_conf_distiller --update # /scripts/rebuildhttpdconf the virtualhost entries that we added manually are no more there in the newly generated httpd.conf file. Only the virtualhost entry for the main domain for port 443 that was there before we made edits to the httpd.conf is there(assuming we are not discussing virtualhost entries for port 80). I understand we need to put the new virtualhost entries in some include files as mentioned here in the cpanel documentation. But am not sure where to. So the question would be where do I put the NameVirtualHost xx.xx.144.72:443 directive and the two virtualhost directive for port 443, so that they are not overwritten when httpd.conf is rebuilt/regenerated later. Virtualhost entries: The two virtualhost entries for the subdomains are: <VirtualHost xx.xx.144.72:443> ServerName next.my-personal-website.com ServerAlias www.next.my-personal-website.com DocumentRoot /home/myguardi/public_html/next.my-personal-website.com ServerAdmin [email protected] UseCanonicalName On CustomLog /usr/local/apache/domlogs/next.my-personal-website.com combined CustomLog /usr/local/apache/domlogs/next.my-personal-website.com-bytes_log "%{%s}t %I .\n%{%s}t %O ." ## User myguardi # Needed for Cpanel::ApacheConf <IfModule mod_suphp.c> suPHP_UserGroup myguardi myguardi </IfModule> <IfModule !mod_disable_suexec.c> SuexecUserGroup myguardi myguardi </IfModule> ScriptAlias /cgi-bin/ /home/myguardi/public_html/next.my-personal-website.com/cgi-bin/ SSLEngine on SSLCertificateFile /etc/ssl/certs/my-personal-website.com.crt SSLCertificateKeyFile /etc/ssl/private/my-personal-website.com.key SSLCACertificateFile /etc/ssl/certs/my-personal-website.com.cabundle CustomLog /usr/local/apache/domlogs/next.my-personal-website.com-ssl_log combined SetEnvIf User-Agent ".*MSIE.*" nokeepalive ssl-unclean-shutdown <Directory "/home/myguardi/public_html/cgi-bin"> SSLOptions +StdEnvVars </Directory> and <VirtualHost xx.xx.144.72:443> ServerName blog.my-personal-website.com ServerAlias www.blog.my-personal-website.com DocumentRoot /home/myguardi/public_html/blog.my-personal-website.com ServerAdmin [email protected] UseCanonicalName On CustomLog /usr/local/apache/domlogs/blog.my-personal-website.com combined CustomLog /usr/local/apache/domlogs/blog.my-personal-website.com-bytes_log "%{%s}t %I .\n%{%s}t %O ." ## User myguardi # Needed for Cpanel::ApacheConf <IfModule mod_suphp.c> suPHP_UserGroup myguardi myguardi </IfModule> <IfModule !mod_disable_suexec.c> SuexecUserGroup myguardi myguardi </IfModule> ScriptAlias /cgi-bin/ /home/myguardi/public_html/blog.my-personal-website.com/cgi-bin/ SSLEngine on SSLCertificateFile /etc/ssl/certs/my-personal-website.com.crt SSLCertificateKeyFile /etc/ssl/private/my-personal-website.com.key SSLCACertificateFile /etc/ssl/certs/my-personal-website.com.cabundle CustomLog /usr/local/apache/domlogs/blog.my-personal-website.com-ssl_log combined SetEnvIf User-Agent ".*MSIE.*" nokeepalive ssl-unclean-shutdown <Directory "/home/myguardi/public_html/cgi-bin"> SSLOptions +StdEnvVars </Directory> and the automatically generated virtualhost entry for the main domain for port 443 is <VirtualHost xx.xx.144.72:443> ServerName my-personal-website.com ServerAlias www.my-personal-website.com DocumentRoot /home/myguardi/public_html ServerAdmin [email protected] UseCanonicalName Off CustomLog /usr/local/apache/domlogs/my-personal-website.com combined CustomLog /usr/local/apache/domlogs/my-personal-website.com-bytes_log "%{%s}t %I .\n%{%s}t %O ." ## User myguardi # Needed for Cpanel::ApacheConf <IfModule mod_suphp.c> suPHP_UserGroup myguardi myguardi </IfModule> <IfModule !mod_disable_suexec.c> SuexecUserGroup myguardi myguardi </IfModule> ScriptAlias /cgi-bin/ /home/myguardi/public_html/cgi-bin/ SSLEngine on SSLCertificateFile /etc/ssl/certs/my-personal-website.com.crt SSLCertificateKeyFile /etc/ssl/private/my-personal-website.com.key SSLCACertificateFile /etc/ssl/certs/my-personal-website.com.cabundle CustomLog /usr/local/apache/domlogs/my-personal-website.com-ssl_log combined SetEnvIf User-Agent ".*MSIE.*" nokeepalive ssl-unclean-shutdown <Directory "/home/myguardi/public_html/cgi-bin"> SSLOptions +StdEnvVars </Directory> # To customize this VirtualHost use an include file at the following location # Include "/usr/local/apache/conf/userdata/ssl/2/myguardi/my-personal-website.com/*.conf" I really appreciate if somebody can tell me how to proceed on this. Thank you. Update: Include directives present are: `Include "/usr/local/apache/conf/includes/pre_main_global.conf" Include "/usr/local/apache/conf/includes/pre_main_2.conf" Include "/usr/local/apache/conf/php.conf" Include "/usr/local/apache/conf/includes/errordocument.conf" Include "/usr/local/apache/conf/modsec2.conf" Include "/usr/local/apache/conf/includes/pre_virtualhost_global.conf" Include "/usr/local/apache/conf/includes/pre_virtualhost_2.conf" ` These are the entries that are generated before any virtualhost entry is defined. Towards the end of the httpd.conf file , the following two entries are added Include "/usr/local/apache/conf/includes/post_virtualhost_global.conf" Include "/usr/local/apache/conf/includes/post_virtualhost_2.conf" The older httpd.conf file before we added the virtualhost entries for sub domains for port 443 can be viewed here

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  • What does the suffix 'w' and 'd' mean with 'TIME+' in top?

    - by ssapkota
    Here's a chunk of the top from my server: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 18878 www-data 20 0 200m 13m 4704 S 0 0.2 0:00.07 apache2 12374 root 20 0 197m 9460 4480 S 0 0.1 21212906w apache2 9136 root 20 0 79100 3488 2716 S 0 0.0 54518724d sshd I know the TIME+ means the total CPU time the task has used since it started. But in the above output, I simply couldn't understand what 21212906w and 54518724d mean? some considerable no of processes are showing the TIME+ with w and d prefixed. What does this mean? Is the server in trouble? Just to let you know - the server uptime is 4days. EDIT: - I can guess these refer week and days. If so why is it so large considering the uptime? - The server has 8 cores.

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  • How to see when stored procedures have last run

    - by Brandon Moore
    I want to see a listing of all the stored procs for each database on a server along with when the last time that store proc was run. I'm pretty good with SQL but I don't know about looking at stats like this that sql keeps so I'd appreciate a little help finding this info. EDIT: From the answers I'm getting it sounds like this is not possible the way I thought it would be. I was thinking that it could be done similarly to how you can see when a table was last accessed: select t.name, user_seeks, user_scans, user_lookups, user_updates, last_user_seek, last_user_scan, last_user_lookup, last_user_update from sys.dm_db_index_usage_stats i JOIN sys.tables t ON (t.object_id = i.object_id) where database_id = db_id() The above script was stolen from a comment on http://blog.sqlauthority.com/2009/05/09/sql-server-find-last-date-time-updated-for-any-table/.

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  • Downloads on Vista Home Premium start off fast but slow down to 0 Kb/s and hang

    - by user66265
    I have Windows Vista Home Premium on my computer and everytime I go to download something, it starts out at about 1.5 Mb/s and stays there for about 3 seconds, then it slows down to 800 Kb/s and continues to drop until it gets down to 0 Kb/s and hangs. I've tried just about everything I can find such as uninstalling all firewalls/antivirus, doing the netsh rss,autotune, and chimney disable, and updating everything but it still continues to happen. I'd prefer not to reinstall but if I have to then I have to... EDIT: Figured it out, the router needed a firmware update

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  • Photo/Video gallery for Ubuntu web server

    - by Andrew
    I'm trying to have a gallery that can display images as well as videos for visitors to my web server. I'm running Ubuntu 12.10, and have Apache installed. All my images and videos are in /var/www/media. I've taken a look at bbgallery, which is simple enough for me, but I don't think it supports video. I've also looked at Single File PHP Gallery, but it doesn't support video. Does anyone know of a gallery that supports video as well, which I can use for my web server? EDIT: I do not have a database.

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  • Seamless Remote Windows on Linux Client

    - by prestomation
    I really like the RemoteApp features of Windows Server 2008 Are there any solutions for similar functionality for Linux clients and a Windows server? We have users that are running Linux on the desktop and rdesktop to a Windows server, mostly for Outlook. It would be nice if Outlook could behave more seamlessly. From what I can tell rdesktop doesn't do that yet, it only implements RDP 5. I've also seen "SeamlessRDP" from Cendio, which is an extension to rdesktop, but I can't get it to work. I think it doesn't work in Vista, but that is just a guess. Any ideas? And thanks in advance. EDIT: I emailed Cendio and they confirmed SeamlessRDP doesn't work with Server 2008 for unknown reasons. It appears there is no way to do this with a 2k8 server. It's either windows clients with RemoteApp or using a pre-Vista OS with seamlessrdp

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  • javascript fixed timestep gameloop with requestanimation frame

    - by coffeecup
    hello i just started to read through several articles, including http://gafferongames.com/game-physics/fix-your-timestep/ ...://gamedev.stackexchange.com/questions/1589/fixed-time-step-vs-variable-time-step/ ...//dewitters.koonsolo.com/gameloop.html ...://nokarma.org/2011/02/02/javascript-game-development-the-game-loop/index.html my understanding of this is that i need the currentTime and the timeStep size and integrate all states to the next state the time which is left is then passed into the render function to do interpolation i tried to implement glenn fiedlers "the final touch", whats troubling me is that each FrameTime is about 15 (ms) and the update loop runs at about 1500 fps which seems a little bit off? heres my code this.t = 0 this.dt = 0.01 this.currTime = new Date().getTime() this.accumulator = 0.0 this.animate() animate: function(){ var newTime = new Date().getTime() , frameTime = newTime - this.currTime , alpha if ( frameTime > 0.25 ) frameTime = 0.25 this.currTime = newTime this.accumulator += frameTime while (this.accumulator >= this.dt ) { this.prev_state = this.curr_state this.update(this.t,this.dt) this.t += this.dt this.accumulator -= this.dt } alpha = this.accumulator / this.dt this.render( this.t, this.dt, alpha) requestAnimationFrame( this.animate ) } also i would like to know, are there differences between glenn fiedlers implementation and the last solution presented here ? gameloop1 gameloop2 [ sorry couldnt post more than 2 links.. ] edit : i looked into it again and adjusted the values this.currTime = new Date().getTime() this.accumulator = 0 this.p_t = 0 this.p_step = 1000/100 this.animate() animate: function(){ var newTime = new Date().getTime() , frameTime = newTime - this.currTime , alpha if(frameTime > 25) frameTime = 25 this.currTime = newTime this.accumulator += frameTime while(this.accumulator >= this.p_step){ // prevstate = currState this.update() this.p_t+=this.p_step this.accumulator -= this.p_step } alpha = this.accumulator / this.p_step this.render(alpha) requestAnimationFrame( this.animate ) now i can set the physics update rate, render runs at 60 fps and physics update at 100 fps, maybe someone could confirm this because its the first time i'm playing around with game development :-)

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  • VMWare Guest NIC Teaming

    - by Justin Popa
    We're looking to add additional bandwidth to a VM running on an ESXi cluster running 5.1. How can I team these within the VM? I suspect I need to add a second e1000 and then install some Intel software to team them. Any idea which version of Intel driver? Is there some better software to use? EDIT: Sorry, neglected some information. The guest OS is Win2k8R2. The physical NICs on the host are 1Gbps. The reason this has come up is we are seeing the VM hitting near cap on the capability of a single 1Gbps link (Usually at 100-110MBps, bursting to 130s, but I think that may just be a UI math lie) and we're interested in seeing if adding an additional NIC in a teamed setting will increase the overall throughput.

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  • How to make a pxe bootable 10MegaByte or larger dos image?

    - by rjt
    Would like to make a "massive" DOS floppy disk image, say 10MegaBytes or more containing all the firmware updates i need for any system, harddrive, BIOS. i do not need the DOS image to be networkable as everything will be on the PXE booted image, but networking would be nice. Since ZipDisks were attached to the floppy disk controller and were over 100MegaBytes, this should be possible. i tried a long time ago to do this and spent too much time on it only to have it fail to boot. So if someone has reliable instructions on how to create such a nightmarish beast and edit it, please let me know. One image that can used for PXE and copied to a USB stick would be a plus. Too bad manufacturers don't supply a single bootable Linux ISO containing all their firmware updates, that would be easy to boot over-the-lan and have networking. HP servers do this and it is awesome.

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  • Sharing information between nodes in Beowulf Cluster

    - by Alejandro Sazo
    I am setting up a beowulf cluster and I've been reading that it might be necessary to make the home directory of the cluster users shared between them (assuming this users are local to each machine). The other case is leave each user with its own home and the communication is up to the master node. Another idea that came up was to use an LDAP unique user logged on each machine in the cluster, that keeps the idea of the shared home between nodes (but is only one home of one user). Which approach is better for this kind of cluster? Edit: The cluster is running openmpi and it will support cuda and opencl

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  • Force the computer to always use current display settings

    - by sazpaz
    So I'm having a terrible black screen problem with my new installation of Windows 8. The screen basically goes to black every time I turn it on or sleep, or connect to an external or monitor. I dont really know what steps actually cause the problem and cant seem to figure what steps allow the screen to come back, besides forcing restarts, going to sleep and waking up, and smashing Win + P. I have a strong feeling it's because the Switchable graphics I have (Intel HD + Radeon 5060), so I'm looking for a way to make the computer always use a specified mode (i.e the current mode I'm on, that does show stuff on the screen) and force it to use it everytime? Any ideas? EDIT: I've Installed all the latest drivers I've found. Tried most of the solutions around the web for this problem. Updated the BIOS to UEFI (from HP Support Assistant), etc. Laptop is an HP- Envy 14

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  • Apache no longer starts at Windows boot up

    - by w3d
    I have Apache installed as part of XAMPP - local test server. It is configured as a Windows (XP) Service. Startup type is "Automatic". For a long time now it has always started when Windows boots up, but recently this has stopped happening. I now need to start it manually via the XAMPP Control Panel - at which point it appears to start up perfectly OK. The only recent updates to the machine (that I recall) are Windows Updates - none of which appear to have "known issues" that relate to this. And updates to Google Chrome. Any ideas what could prevent Apache from starting automatically at Windows (XP) boot up? EDIT#1 There are 2 related Errors in my system event log regarding the Service Control Manager: Timeout (30000 milliseconds) waiting for the Apache2.2 service to connect. The Apache2.2 service failed to start due to the following error: The service did not respond to the start or control request in a timely fashion. When I manually start the Apache server after boot up there are 2 "information" events stating that it was "sent a start control" and that it "entered the running state". Although I notice it appears to take 19 seconds between the start control being sent and entering a running state - according to the event log. So, maybe 30 seconds during boot up isn't long enough (anymore) for Apache to start??

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