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  • Missing subject field values in user certificate (Windows)

    - by nwang
    I am trying to enroll (on behalf of) a user certificate but certain fields appear to be missing in the subject field. Specifically, O and OU. Using ADSI, I see that the fields have the values I want but when I generate the certificate using Enroll on Behalf, certreq.exe, or certmgr.msc (run as different user) O does not appear at all and OU values are the AD containers the user account belongs to. This occurs despite my specifying the values in my .inf for certreq and setting the values in certificate properties when using certmgr.msc. Am I missing something or could I have configured something wrong? I am using an in internal CA.

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  • Unidentified Window OnStartup

    - by CMP
    Every time I start up windows vista lately, I see a random floating window. It is a tiny little window with no title, and only the resize, maximize and restore buttons. I'd post an image, but I don't have reputation here yet. I can close it, and it does indeed go away, but I would love to figure out what it is and stop it from popping up at all. I used Autohotkey's window spy on it and all I learned is that it is a swing window, which doesn't help me out a whole lot. Is there a good way to identify which process it belongs to and figure out how to kill it?

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  • Trac permission denied for SVN repo

    - by plesatejvlk
    I'm running Apache2,SVN & Trac on OpenSUSE. SVN works like a charm. I've initialized trac environment for one of my SVN repositories for trac to show source code in it's repo browser and I set the repository up in the Trac web admin. I also ran the trac-admin resync for that repo without problems. Trouble is when I open the Trac repo browser I get: "can't open file: /srv/svn/repos/myrepo/format, access denied)" error. I checked the permissions and: apache runs as wwwrun tracd runs as wwwrun the whole subtree /srv/svn/... belongs to svn group and the group has rw perms all the way down to the "format" file wwwrun is in the svn group I also did the perms check: $ sudo -u wwwrun cat /srv/svn/repos/myrepo/format and got it printed out without trouble. So in my opinion there shoud not be any permission conflict. Any idea what else to check? Thanks in advance!

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  • Is the console command cd a wildcard of sorts? [closed]

    - by Spiritios
    I was wondering while developing some application (though this is not a development question) if the cd command used in Windows is a wildcard or cross-platform command of sorts. I looked up on table with comands for Unix/Linux and MAC OS X and it turns out that it seems to be there. I am not a multi-os user, so I ask if anyone with experience in different OSes can tell me: If this command really exists and works If it has the same functionality (change directory) If there are any problems with its use If in any OS there is another command-line command that does the same in a better/more elaborate/more frequetly used way. Thanks in advance! (P.S.I am not 100% sure if this question belongs to this site or some other stackexchange site...) (P.P.S Any help in tagging this will be appreciated!)

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  • How to change memory for DomU runtime

    - by saffron
    I have a xen server with xen-4.1.3, linux-image-3.2.0-3-amd64, debian squeeze and 16Gb of RAM. The domain-0 has 1Gb of ram, the rest of memory belongs to the hypervisor. I want to start a guest domain with a minimal amount of memory and increase it runtime later. When I start a guest domain with 256Mb of ram and run xm mem-set domu 4Gb, I get ~3Gb only in domu and a guest domain free says: root@test:~# free total used free shared buffers cached Mem: 2830620 72868 2757752 0 2432 43504 -/+ buffers/cache: 26932 2803688 Swap: 1048572 0 1048572 And a guest domain dmesg says: [ 0.000000] Memory: 175912k/2883584k available (3527k kernel code, 448k absent, 2707224k reserved, 3210k data, 612k init) When I start a guest domain with 2Gb of ram I can run xm mem-set domu 7Gb and get ~7Gb of ram in a guest domain: root@test:~# free total used free shared buffers cached Mem: 6828228 74944 6753284 0 1328 12568 -/+ buffers/cache: 61048 6767180 Swap: 1048572 0 1048572 And a guest domain dmesg: [ 0.000000] Memory: 1674960k/16651264k available (3527k kernel code, 448k absent, 14975856k reserved, 3210k data, 612k init) How can I start a guest domain with a minimal amount of ram (256Mb) and increase it under 15Gb?

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  • how to trace an outlook mail not arriving to its destination when is sent to another domain?

    - by Alex. S.
    Hi, I have an domain account configured with Ipower.com. If I use an email client such as Evolution, the mails arrive as expected. However if I use Outlook 2007 (as everybody in this company) the mails only arrive if the destination belongs to the same domain. That means when the destination is a gmail address, for example, the test email falls into a sort of black hole... This is just a simple ipower setup, nothing of Exchange or something like that. What else can I do to isolate and fix this issue? This is driving me nuts because in other email client with the same exact configuration in the same machine, everything works well and I need to fix the thing in Outlook.

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  • Persistance JDO - How to query a property of a collection with JDOQL?

    - by Sergio del Amo
    I want to build an application where a user identified by an email address can have several application accounts. Each account can have one o more users. I am trying to use the JDO Storage capabilities with Google App Engine Java. Here is my attempt: @PersistenceCapable @Inheritance(strategy = InheritanceStrategy.NEW_TABLE) public class AppAccount { @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) private Long id; @Persistent private String companyName; @Persistent List<Invoices> invoices = new ArrayList<Invoices>(); @Persistent List<AppUser> users = new ArrayList<AppUser>(); // Getter Setters and Other Fields } @PersistenceCapable @EmbeddedOnly public class AppUser { @Persistent private String username; @Persistent private String firstName; @Persistent private String lastName; // Getter Setters and Other Fields } When a user logs in, I want to check how many accounts does he belongs to. If he belongs to more than one he will be presented with a dashboard where he can click which account he wants to load. This is my code to retrieve a list of app accounts where he is registered. public static List<AppAccount> getUserAppAccounts(String username) { PersistenceManager pm = JdoUtil.getPm(); Query q = pm.newQuery(AppAccount.class); q.setFilter("users.username == usernameParam"); q.declareParameters("String usernameParam"); return (List<AppAccount>) q.execute(username); } But I get the next error: SELECT FROM invoices.server.AppAccount WHERE users.username == usernameParam PARAMETERS String usernameParam: Encountered a variable expression that isn't part of a join. Maybe you're referencing a non-existent field of an embedded class. org.datanucleus.store.appengine.FatalNucleusUserException: SELECT FROM com.softamo.pelicamo.invoices.server.AppAccount WHERE users.username == usernameParam PARAMETERS String usernameParam: Encountered a variable expression that isn't part of a join. Maybe you're referencing a non-existent field of an embedded class. at org.datanucleus.store.appengine.query.DatastoreQuery.getJoinClassMetaData(DatastoreQuery.java:1154) at org.datanucleus.store.appengine.query.DatastoreQuery.addLeftPrimaryExpression(DatastoreQuery.java:1066) at org.datanucleus.store.appengine.query.DatastoreQuery.addExpression(DatastoreQuery.java:846) at org.datanucleus.store.appengine.query.DatastoreQuery.addFilters(DatastoreQuery.java:807) at org.datanucleus.store.appengine.query.DatastoreQuery.performExecute(DatastoreQuery.java:226) at org.datanucleus.store.appengine.query.JDOQLQuery.performExecute(JDOQLQuery.java:85) at org.datanucleus.store.query.Query.executeQuery(Query.java:1489) at org.datanucleus.store.query.Query.executeWithArray(Query.java:1371) at org.datanucleus.jdo.JDOQuery.execute(JDOQuery.java:243) at com.softamo.pelicamo.invoices.server.Store.getUserAppAccounts(Store.java:82) at com.softamo.pelicamo.invoices.test.server.StoreTest.testgetUserAppAccounts(StoreTest.java:39) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Any idea? I am getting JDO persistance totally wrong?

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  • How to do URL authentication in struts2

    - by Enrique Malhotra
    Hi, I am using struts2.1.6 + Spring 2.5 I have four modules in my application. Registration Module Admin Module Quote Module Location Module. In registration module the customer can register himself and only after registering he is supposed to have access of the remaining three modules. I want to implement something like if the action being called belongs to the registration module it will work as normal but if the action being called belongs to the rest of those three modules it first should check if the user is logged-in and session has not timed-out. if yes it should proceed normally otherwise it should redirect to the login page. Through research I have found out that interceptors could be used for this purpose but before proceeding I thought its better to get some feedback on it from experts. Please suggest how it should be done and If possible put some code suggestions. Here is my struts.xml file(The struts.xml contains four different config files belonging to each module): <struts> <include file="struts-default.xml" /> <constant name="struts.i18n.reload" value="false" /> <constant name="struts.objectFactory" value="spring" /> <constant name="struts.devMode" value="false" /> <constant name="struts.serve.static.browserCache" value="false" /> <constant name="struts.enable.DynamicMethodInvocation" value="true" /> <constant name="struts.multipart.maxSize" value="10000000" /> <constant name="struts.multipart.saveDir" value="C:/Temporary_image_location" /> <include file="/com/action/mappingFiles/registration_config.xml" /> <include file="/com/action/mappingFiles/admin_config.xml" /> <include file="/com/action/mappingFiles/quote.xml" /> <include file="/com/action/mappingFiles/location_config.xml" /> </struts> The sample registration_config.xml file is: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <package name="registration" extends="struts-default" namespace="/my_company"> <action name="LoginView" class="registration" method="showLoginView"> <result>....</result> <result name="input">...</result> </action> </package> </struts> The sample admin_config.xml file is: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <package name="admin" extends="struts-default" namespace="/my_company"> <action name="viewAdmin" class="admin" method="showAdminView"> <result>....</result> <result name="input">...</result> </action> </package> </struts> Same code is there in the rest of two struts2 xml config files. I have used the same namespace in all the four config files with the different package names(As you can see)

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  • What approaches exist to setting up continent/country/city drop down menus?

    - by Dave
    How easy (or difficult) is it to have a Continent/Country/City drop down menu? Where one select from Drop Down Menus (for example): 1 - Europe 2 - UK 3 - London and then writes the Province/Area (for example: Essex). Realistically, how long should it take an experienced web developer to write the code of the above, as well as to link this selection to a Browse function and database storing? I do not have a geographical database yet and I am wondering what the fastest and cheapest way to add it to the drop down menu is. Is there any way to get that geographical database for free? I can see this type of geographical drop down menu in thousands of websites, but I am struggling as to how to implement it ASAP. Follow Up: Tks All x your answers and comments so far. I hear what you are saying. I understand that there are rare occasions of Countries with multiple (same) name Cities and that it might be disputable whether a Country belongs to a certain Continent/Region or not (see Russia x example, Europe or Asia?). Anyway, please take a look, for instance, at this website Sign UP screen http://www.couchsurfing.org/register.html My question then is: Where do I get that list (Country/Cities) and how do I create that _array? Manually copying it somewhere else (which would take me ages) or are there ready made lists that can be downloaded from somewhere for free?

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  • One More Solar Eclipse Hitting The Earth

    - by Suganya
    After the partial Solar eclipse that occurred on 01 July 2011, there is one another partial solar eclipse hitting the earth on 25 November 2011. This is the fourth and the final solar eclipse that is going to happen during this year. This eclipse is highly visible from the southern hemisphere, which means it can be witnessed from Southern South Africa, Antarctica , Tasmania and Many regions of New Zealand. The eclipse touches a greatest magnitude of 0.905 at 06:20:17 am Universal Time. This eclipse is the 53rd eclipse and belongs to Saros123 series. The details about the time and place from where this eclipse can be addressed are given below. All time mentioned here are local time of that location. S.No Place Eclipse Start Time Eclipse End Time Maximum Eclipse 1 Cape Town, South Africa 6:28:07 7:18:08 6:52:42 2 Port Elizabeth, SOUTH AFRICA 6:38:16 7:07:49 6:52:56 3 Christchurch, NEW ZEALAND 19:07:01 19:42 19:42 4 Wellington, NEW ZEALAND 19:10:22 19:26 19:26 5 Dunedin, NEW ZEALAND 19:03:13 19:58 19:40:40 This is the largest partial eclipse that is going to hit the earth this year and while at the maximum eclipse time, the lunar shadow will pass 330 kilometers above the earth’s surface near the coast of Antarctica. Source : NASA CC Image Credit : Joerg Weingrill This article titled,One More Solar Eclipse Hitting The Earth, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Serving static content from cookie less domain and mod_deflate

    - by Saif Bechan
    I have two domain. One domain with my main website and the other with js/css/etc.. files, static content. mod_deflate is enabled for both domains, but when i run ySlow in FireFox it says none of my static content is compressed. When i bring back the js or css file to my normal domain it gets compressed right. Only when its served from the other domain is it not compressed. Do i have to do some more configuration for this to work? I am using this line in my .htaccess file AddOutputFilterByType DEFLATE application/x-javascript text/css text/html text/xml text/plain application/x-httpd-php I tried to but the line in my httpd.conf file but it gives me the same results. PS. If this is more of a serverfault question i am sorry for this. But i see a lot of questions here concerning mod_deflate and ySlow

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  • A client wants us to screen work machines for pornography. Is it possible?

    - by Scant Roger
    A long-time client has asked us to help screen their work machines for pornography. They're worried about liability if sensitive materials were found. Their main concerns (for obvious reasons) are video, audio, and image files. If possible, they'd also like to scan text-based documents for inappropriate content. They have a hierarchy of not-for-work content starting with blatantly illegal (I don't have to list details), moving down to obviously offensive, and also including things that may be offensive to some - think lingerie ads, joke cards featuring butt cracks, and anything related to Howie Mandel. My questions are: Is this ethical? I think it is since every employee legally agrees that their work machine belongs to the company and is subject to search. The screenings are not to occur on personal machines brought to work. Is it feasible? I've done a lot of image processing/indexing but this seems like a whole new world of complexity. Any references to successful techniques for discovering porn? Is it appropriate for me to archive the results when something is discovered?

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  • Discussions on software architecture - Is StackOverflow appropriate place?

    - by Microkernel
    Hi guys, I am using StackOverFlow for sometime, and its absolutely absolutely awesome for discussions on coding issues. But I don't see discussions on software architecture and designs. What I mean is, I don't see discussions where people put their design ideas and architecture of their software for discussions and ask for reviews and comments. So my question is, is StackOverFlow not the place for such discussions and is there any other place specialized for such discussions. (Like http://serverfault.com for system administrators or http://superuser.com). I am asking this question because, I am a beginner and am coding a piece of software for a course project and am too enthusiastic about it (and passionate too) and want to release it as OpenSource. And I want the code to be highly modular and highly extensible. But as a beginner I am not sure if the design I have comeup is good or not. So want to discuss it with people. Thank You MicroKernel :)

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  • Win a Free License for Windows 7 Ultimate or Silverlight Spy at Our West Palm Beach .Net User Group

    - by Sam Abraham
    Shervin Shakibi, Microsoft Regional Director, ASP.Net MVP and Microsoft Certified Trainer will be our speaker at our West Palm Beach .Net User Group May meeting,  Shervin founded the FlaDotNet Users Group Network to which our West Palm Beach .Net User Group belongs. Shervin will be talking to us about the new features of Silverlight 4.0. I am personally looking forward to attending this event as I have always found Shervin's talks fun and a great learning experience.   At the end of our meeting, we will be having a free raffle. We will be giving away 1 free Windows 7 Ultimate license and 2 free Silverlight Spy licenses as well as several books and other giveaways. Usually, everybody goes home with a freebie.  We will also continue having ample networking time while enjoying free pizza/soda sponsored by Sherlock Technology and SISCO Corporation who is a new sponsor of our group.   Koen Zwikstra, Silverlight MVP and Founder of First Floor Software has kindly offered the West Palm Beach .Net User Group several free licenses of Silverlight Spy to raffle during our meetings. We will start by raffling two copies during our May meeting.   Silverlight Spy is a very valuable tool in debugging Silverlight applications. It has been mentioned at MIX10 ( http://firstfloorsoftware.com/blog/silverlight-spy-at-mix10/) as well as by Microsoft Community Leaders (http://blogs.msdn.com/chkoenig/archive/2008/08/29/silverlight-spy.aspx)   I am using Silverlight Spy myself and will probably be using it to demonstrate Silverlight internals during my talks. I think Koen's gift to our group will bring great value to our fortunate members who end up winning the licenses. Thank you Koen for your kind gift and looking forward to meeting you all on May 25th 2010 6:30 PM at CompTec (http://www.fladotnet.com/Reg.aspx?EventID=462)   Sam Abraham Site Director - West Palm Beach .Net User Group

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  • How do I reload .bashrc without logging out and back in?

    - by Jed Daniels
    Hello StackOverflowers, If I make changes to .bashrc, how do I reload it without logging out and back in? I'm embarrassed that I don't know the answer to this question, since I do a fair amount of bash scripting. I'm also couldn't decide if I should post this on ServerFault, but since I do more scripting than sysadmin, I chose StackOverflow; go ahead and move it if you (the community) feel that SF would have been a better choice. Thanks in advance. I'm sure once I hear the answer I'll be saying "doh! I knew that.", but it'll probably be good to have the answer here for other folks like me that should know (or do), but can't remember (I did search before asking, and couldn't find the answer, sorry if this is a repost). --jed

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  • Eclipse software management

    - by Maroloccio
    How to streamline/automate the configuration of Eclipse? Given N developers running a mixture of Ubuntu and Mac OS X, all with the same version of Eclipse, how to make sure that: Each developer, on top of his favourite "Available Software Sites" selection, has a common set of installation sources? Each developer has an easy (automated?) way of installing a base set of plug-ins? Each developer can just as easily install a custom plugin developed in-house and distributed over the local network? No automatically deployed plugins conflict with any others a developer might already be using? I would post this to serverfault.com if it wasn't that I am more interested in a "scripting" answer than a traditional "system management" solution... ;-)

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  • Installing Daemons

    - by Shahmir Javaid
    Dear Stackoverflowers, A simple link would be nice for me to understand how to install my C++ program as a deamon in UNIX, now i know some will say this should be on SERVERFAULT but as far as i understand it i need the init.d shell script to actually create the start and stop for the daemons. But if you guys can show me a simple shell script for the daemon and the file directories every thing required is associated with, that would be great. I was going to do this http://www.linux.com/archive/feed/46892 but if you read the comments every one is moaning x( . P.S. ive already done the required code for C++ to run as a daemon i just need to know how to actually install it as a daemon. At the moment im using crontab which is just not a good idea for the future of my problem. Thanks in advance

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  • How can I exceed the 60% Memory Limit of IIS7 in ASP.NET Caching application

    - by evilknot
    Pardon if this is more serverfault vs. stackoverflow. It seems to be on the border. We have an application that caches a large amount of product data for an e-commerce application using ASP.NET caching. This is a dictionary object with 65K elements, and our calculations put the object's size at ~10GB. Problem: The amount of memory the object consumes seems to be far in excess of our 10GB calculation. BIGGEST CONCERN: We can't seem to use over 60% of the 32GB in the server. What we've tried so far: In machine.config/system.web (sf doesn't allow the tags, pardon the formatting): processModel autoConfig="true" memoryLimit="80" In web.config/system.web/caching/cache (sf doesn't allow the tags, pardon the formatting): privateBytesLimit = "20000000000" (and 0, the default of course) percentagePhysicalMemoryUsedLimit = "90" Environment: Windows 2008R2 x64 32GB RAM IIS7 Nothing seems to allow us to exceed the 60% value. See screenshot of taskman. http://www.freeimagehosting.net/image.php?7a42144e03.jpg

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  • What is the easiest way to get an embedded upload progress bar using Ruby/Sinatra/Haml/Passenger/ngi

    - by mmr
    I have a website where people can upload 30+mb of data in a single block, and I want to be able to show them the progress of their upload without causing the web page to become unresponsive, similar to how flash uploads work in gmail. There's this question here, but I don't know if that progress bar is embedded in the page or if it's using the browser's progress bar. I'm also a bit of a web newb, so I'm not sure if it's the 'easiest'. I asked the swfupload guys how to do this here, and the answer I got is 'this tool requires some knowledge to use it' without giving me much help in figuring out where to get started. I also asked this question on ServerFault, and got no response, so maybe that was the wrong place to ask. I'm all for learning new things and so forth, but there are a lot of potential pathways to take here. Where should I start, and what do I need to know to make everything work with sinatra, haml, ruby, passenger, and nginx? Thanks!

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  • Rails/Node.js interaction

    - by lpvn
    I and my co-worker are developing a web application with rails and node.js and we can't reach a consensus regarding a particular architectural decision. Our setup is basically a rails server working with node.js and redis, when a client makes a http request to our rails API in some cases our rails application posts the response to a redis database and then node.js transmits the response via websocket. Our disagreement occurs in the following point: my co-worker thinks that using node.js to send data to clients is somewhat business logic and should be inside the model, so in the first code he wrote he used commands of broadcast in callbacks and other places of the model, he's convinced that the models are the best place for the interaction between rails and node. I on the other hand think that using node.js belongs to the runtime realm, my take is that the broadcast commands and other node.js interactions should be in the controller and should only be used in a model if passed through a well defined interface, just like the situation when a model needs to access the current user of a session. At this point we're tired of arguing over this same thing and our discussion consists in us repeating to ourselves our same opinions over and over. Could anyone, preferably with experience in the same setup, give us an unambiguous response saying which solution is more adequate and why it is?

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  • Order of operations to render VBO to FBO texture and then rendering FBO texture full quad

    - by cyberdemon
    I've just started using OpenGL with C# via the OpenTK library. I've managed to successfully render my game world using VBOs. I now want to create a pixellated affect by rendering the frame to an offscreen FBO with a size half of my GameWindow size and then render that FBO to a full screen quad. I've been looking at the OpenTK example here: http://www.opentk.com/doc/graphics/frame-buffer-objects ...but the result is a black form. I'm not sure which parts of the example code belongs in the OnLoad event and OnRenderFrame. Can someone please tell me if the below code shows the correct order of operations? OnLoad { // VBO. // DataArrayBuffer GenBuffers/BindBuffer/BufferData // ElementArrayBuffer GenBuffers/BindBuffer/BufferData // ColourArrayBuffer GenBuffers/BindBuffer/BufferData // FBO. // ColourTexture GenTextures/BindTexture/TexParameterx4/TexImage2D // Create FBO. // Textures Ext.GenFramebuffers/Ext.BindFramebuffer/Ext.FramebufferTexture2D/Ext.FramebufferRenderbuffer } OnRenderFrame { // Use FBO buffer. Ext.BindFramebuffer(FBO) GL.Clear // Set viewport to FBO dimensions. GL.DrawBuffer((DrawBufferMode)FramebufferAttachment.ColorAttachment0Ext) // Bind VBO arrays. GL.BindBuffer(ColourArrayBuffer) GL.ColorPointer GL.EnableClientState(ColorArray) GL.BindBuffer(DataArrayBuffer) // If world changed GL.BufferData(DataArrayBuffer) GL.VertexPointer GL.EnableClientState(VertexArray) GL.BindBuffer(ElementArrayBuffer) // Render VBO. GL.DrawElements // Bind visible buffer. GL.Ext.BindFramebuffer(0) GL.DrawBuffer(Back) GL.Clear // Set camera to view texture. GL.BindTexture(ColourTexture) // Render FBO texture GL.Begin(Quads) // Draw texture on quad // TexCoord2/Vertex2 GL.End SwapBuffers }

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  • How to benchmark apache/nginx setup

    - by Saif Bechan
    I am planning to setup nginx as reverse proxy. I will have apache to deliver my dynamic content, and nginx will deliver the static content. My configuration i have now is just Apache with fastCGI. This gives me no configuration problems and runs great. After I have set up nginx I want to run some benchmarks to see if I really got some performance increases, else i will switch back. Does anyone know how I can benchmark this type of setup? Or maybe someone did this already and have some canned results, I will be glad to hear them. PS. I know this is more a serverfault type of question, but i have seen numerous posts about apache and nginx so i thought i give it a try

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  • How best to handle ID3D11InputLayout in rendering code?

    - by JohnB
    I'm looking for an elegant way to handle input layouts in my directx11 code. The problem I have that I have an Effect class and a Element class. The effect class encapsulates shaders and similar settings, and the Element class contains something that can be drawn (3d model, lanscape etc) My drawing code sets the device shaders etc using the effect specified and then calls the draw function of the Element to draw the actual geometry contained in it. The problem is this - I need to create an D3D11InputLayout somewhere. This really belongs in the Element class as it's no business of the rest of the system how that element chooses to represent it's vertex layout. But in order to create the object the API requires the vertex shader bytecode for the vertex shader that will be used to draw the object. In directx9 it was easy, there was no dependency so my element could contain it's own input layout structures and set them without the effect being involved. But the Element shouldn't really have to know anything about the effect that it's being drawn with, that's just render settings, and the Element is there to provide geometry. So I don't really know where to store and how to select the InputLayout for each draw call. I mean, I've made something work but it seems very ugly. This makes me thing I've either missed something obvious, or else my design of having all the render settings in an Effect, the Geometry in an Element, and a 3rd party that draws it all is just flawed. Just wondering how anyone else handles their input layouts in directx11 in a elegant way?

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  • Stereo images rectification and disparity: which algorithms?

    - by alessandro.francesconi
    I'm trying to figure out what are currently the two most efficent algorithms that permit, starting from a L/R pair of stereo images created using a traditional camera (so affected by some epipolar lines misalignment), to produce a pair of adjusted images plus their depth information by looking at their disparity. Actually I've found lots of papers about these two methods, like: "Computing Rectifying Homographies for Stereo Vision" (Zhang - seems one of the best for rectification only) "Three-step image recti?cation" (Monasse) "Rectification and Disparity" (slideshow by Navab) "A fast area-based stereo matching algorithm" (Di Stefano - seems a bit inaccurate) "Computing Visual Correspondence with Occlusions via Graph Cuts" (Kolmogorov - this one produces a very good disparity map, with also occlusion informations, but is it efficient?) "Dense Disparity Map Estimation Respecting Image Discontinuities" (Alvarez - toooo long for a first review) Anyone could please give me some advices for orienting into this wide topic? What kind of algorithm/method should I treat first, considering that I'll work on a very simple input: a pair of left and right images and nothing else, no more information (some papers are based on additional, pre-taken, calibration infos)? Speaking about working implementations, the only interesting results I've seen so far belongs to this piece of software, but only for automatic rectification, not disparity: http://stereo.jpn.org/eng/stphmkr/index.html I tried the "auto-adjustment" feature and seems really effective. Too bad there is no source code...

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  • Does this schema sound better suited for a document-oriented data store or relational?

    - by Blaine LaFreniere
    Disclaimer: let me know if this question is better suited for serverfault.com I want to store information on music, specifically: genres artists albums songs This information will be used in a web application, and I want people to be able to see all of the songs associated to an album, and albums associated to an artist, and artists associated to a genre. I'm currently using MySQL, but before I make a decision to switch I want to know: How easy is scaling horizontally? Is it easier to manage than an SQL based solution? Would the above data I want to store be too hard to do schema-free? When I think association, I immediately think RDBMSs; can data be stored in something like CouchDB but still have some kind of association as stated above?

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