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  • what are sparse voxel octrees?

    - by pdeva
    I have reading a lot about the potential use of sparse voxel octrees in future graphics engines. However I have been unable to find technical information on them. I understand what a voxel is, however I dont know what sparse voxel octrees are or how are they any more efficient than the polygonal techniques in use now. Could somebody explain or point me to an explanation for this?

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  • How to import Exchange calendars in Google Calendar (No Desktop Outlook)

    - by Tonny Madsen
    I would like to import my calendar from my company Exchange 2010 server as a new calendar in my private Google account. The primary use is to easy my planning when at home with my laptop. I already have access to both the Google and Exchange calendars on my Android phone, but the size of the screen makes it rather difficult to plan anything serious. Note that I run OSX on my laptop I would prefer a Internet based solution to any software on my own laptop. I do not want an Outlook add-in I do not want to include the work related events in my main calendar I do not want a mobile solution I can pay for the solution

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  • Efficient algorithm to distribute work?

    - by Zwei Steinen
    It's a bit complicated to explain but here we go. We have problems like this (code is pseudo-code, and is only for illustrating the problem. Sorry it's in java. If you don't understand, I'd be glad to explain.). class Problem { final Set<Integer> allSectionIds = { 1,2,4,6,7,8,10 }; final Data data = //Some data } And a subproblem is: class SubProblem { final Set<Integer> targetedSectionIds; final Data data; SubProblem(Set<Integer> targetedSectionsIds, Data data){ this.targetedSectionIds = targetedSectionIds; this.data = data; } } Work will look like this, then. class Work implements Runnable { final Set<Section> subSections; final Data data; final Result result; Work(Set<Section> subSections, Data data) { this.sections = SubSections; this.data = data; } @Override public void run(){ for(Section section : subSections){ result.addUp(compute(data, section)); } } } Now we have instances of 'Worker', that have their own state sections I have. class Worker implements ExecutorService { final Map<Integer,Section> sectionsIHave; { sectionsIHave = {1:section1, 5:section5, 8:section8 }; } final ExecutorService executor = //some executor. @Override public void execute(SubProblem problem){ Set<Section> sectionsNeeded = fetchSections(problem.targetedSectionIds); super.execute(new Work(sectionsNeeded, problem.data); } } phew. So, we have a lot of Problems and Workers are constantly asking for more SubProblems. My task is to break up Problems into SubProblem and give it to them. The difficulty is however, that I have to later collect all the results for the SubProblems and merge (reduce) them into a Result for the whole Problem. This is however, costly, so I want to give the workers "chunks" that are as big as possible (has as many targetedSections as possible). It doesn't have to be perfect (mathematically as efficient as possible or something). I mean, I guess that it is impossible to have a perfect solution, because you can't predict how long each computation will take, etc.. But is there a good heuristic solution for this? Or maybe some resources I can read up before I go into designing? Any advice is highly appreciated!

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  • Memory randomization as application security enhancement?

    - by Paul Sasik
    I recently came upon a Microsoft article that touted new "defensive enhancements" of Windows 7. Specifically: Address space layout randomization (ASLR) Heap randomization Stack randomization The article went on to say that "...some of these defenses are in the core operating system, and the Microsoft Visual C++ compiler offers others" but didn't explain how these strategies would actually increase security. Anyone know why memory randomization increases security, if at all? Do other platforms and compilers employ similar strategies?

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  • More than one XP Mode virtual machines okay under Win 7?

    - by kousen
    I really like the Windows XP Mode virtual machine that comes with Windows 7 (once you download the integration components). I teach technical training classes, and having a machine configured for the classroom is very helpful. My question is, can I configure more than one? The documentation suggests you can make multiple virtual machines, but I can't tell if I can have multiple "Windows XP Mode" VMs. It can't be as simple as configuring one, then just making a copy of the primary disk file, could it? I only plan to run one at a time, but I'd like to configure multiple different VMs for different classes, all running XP if possible. Thanks for any help!

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  • How to rectify this issues: asp.net PageRequestManagerParserErrorException

    - by sameer
    i have a search panel where on click of search button im getting this exception this is for the first time, subsequent click it result the proper result. Can any one explain how solve the issue. error message: Sys.WebForms.PageRequestManagerParserErrorException: The Message received from the server could not be parsed.Coommon causes for this error are when the response is modified by Calls to Repose.Write(), response filters,HttpModules, or server trace is enabled. Details:Error Parsing near ' | '.

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  • 2 DSL lines...any benefit?

    - by EJB
    I have verizon DSL in my office, I put DSL in about a year ago for $29.95 month...I added a new phone line recently and it was cheaper to actually get it bundled with DSL so now I have two DSL lines...my plan was to shut the first one off when my 1 year contract comes up (in September). A couple of times DSL has gone out on one line so I just used the other, which is a nice redundancy to have - but it doesn't happen often. (I unplugged one line and plugged in the other) Question is, is there any way to use both DSL lines together so that 1) I can increase bandwidth and effective speed might increase (is that possible?) or 2) have them both on and connected someway so that traffic on my network would just use either one, and if one went down the traffic would route automatically? If I can either increase speed by having two, or at a minimum get some automatic redundancy, I see no reason to keep both on.... Thanks!

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  • Update Billing Email Addresses in Sage MAS90

    - by ThaKidd
    I have been tasked with trying to find a method of updating about 500 customer email addresses in MAS90. I recently discovered that they had the ability to email invoices to their customers and because I opened my big mouth, they now want me to find a way to add about 500 emails into the system so they do not have to perform the task manually. The office does have an SQL server which supports ASP sites which contains a list of all of the current email addresses. My plan was to use Microsoft Access 2007 with the MAS90 ODBC connector to attempt this update. My questions are: Is this the right way to go or is there a better method of obtaining these results? Does anyone happen to know which tables I should be looking at? Any and all help is appreciated. Thanks in advance!

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  • Moving Domain Controller Guests between Hyper-V Hosts

    - by Jim
    We're moving our domain controller to a new Hyper-V host. I read it on TechNet about not using export on a VM running as DC (although I saw a lot of answers on TechNet suggesting doing so to move DC). What we plan to do is shutdown the VM, move the VHD to the new Hyper-V host, then create a new VM using that VHD. I don't think USN rollback would occur since it's like shutting down the VM and starting it back up. We have another Hyper-V host with a DC guest that will be running during the migration. All the hosts and VMs are running Windows Server 2008 R2. Is it a good way to move virtualize DC b/t hosts? If not, how should I proceed?

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  • How to display data into datagridview using multi thread?

    - by Mark
    Hi, I have application where I read/receive data all the time (text) and I need to display this data into datagridview, what is the best way to do that in real time, so the data will be changed all the time. I thought about multi threading, if this is a good idea can you guide me with link to explain how to implement it. Thanks

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  • yes another question about Interfaces?

    - by sam
    Hi Guys, I started commercial programming lately, I am used to functions, then now I always questions about interfaces.. Do you provide me with some links and book names, that can explain deeply why using interfaces? is interfaces required for small projects?? I am using C#. thanks

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  • How do I use a string as a keyword argument?

    - by Issac Kelly
    Specifically, I'm trying to use a string to arbitrairly filter the ORM. I've tried exec and eval solutions, but I'm running into walls. The code below doesn't work, but it's the best way I know how to explain where I'm trying to go from gblocks.models import Image f = 'image__endswith="jpg"' # Would be scripted in another area, but passed as text <user input> d = Image.objects.filter(f) #for the non-django pythonistas: d = Image.objects.filter(image__endswith="jpg") # would be the non-dynamic equivalent.

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  • Hooking up many different external HDs simultaneously

    - by cbizz
    I need a large amount of external storage for an upcoming project. I'm planning on purchasing 10 2TB external drives. I need them all hooked up to a single machine at the same time. What issues will I run into? I plan on using 2 power strips and having them all externally powered from the wall. I will use a USB hub to plug in all the drives. I need drive access time to be as fast as possible. I am using Ubuntu Linux(64 bit). Will I be able to mount 10 drives?

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  • Hide multiple PictureBox except clicked

    - by gadirzade
    HI Let me explain what i wont to do.I have a form and there is 10 picturebox on it.when I click one of them I wont to hide all other except clicked.It is possible that on click event of all of them hide others.but I ask for efficent way.forexample with a single function call from click event maybe

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  • blocking port 80 via iptables

    - by JoyIan Yee-Hernandez
    I'm having problems with iptables. I am trying to block port 80 from the outside, basically plan is we just need to Tunnel via SSH then we can get on the GUI etc. on a server I have this in my rule: Chain OUTPUT (policy ACCEPT 28145 packets, 14M bytes) pkts bytes target prot opt in out source destination 0 0 DROP tcp -- * eth1 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 state NEW,ESTABLISHED And Chain INPUT (policy DROP 41 packets, 6041 bytes) 0 0 DROP tcp -- eth1 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 state NEW,ESTABLISHED Any guys wanna share some insights?

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  • SIP Service to record all calls?

    - by TK Kocheran
    I read an article that I can't find at the moment which detailed a way to have Google Voice point to a SIP phone number which forwards to your phone in order to take advantage of the SIP service in order to Have all calls use a data connection = no usage of cell-phone plan minutes. Record each and every conversation.* I really want to be able to accomplish this, primarily issue number 2, as all of the phone recorder tools in the Android Market essentially don't work for my Nexus One. I figure that I have one of two options with this. I could 1) use an existing (hopefully free) service which will do this for me or 2) I could set up a SIP service at my home. to somehow forward calls through my home server which will record the calls as well as forward calls to my cell phone. Obviously, the path of least resistance is the one I'd like to go down. Can anyone help me out with this? * I do understand that the legality of this varies from state to state here in the US.

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  • Java Thread - Memory consistency errors

    - by Yatendra Goel
    I was reading a Sun's tutorial on Concurrency. But I couldn't understand exactly what memory consistency errors are? I googled about that but didn't find any helpful tutorial or article about that. I know that this question is a subjective one, so you can provide me links to articles on the above topic. It would be great if you explain it with a simple example.

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  • How do you unit test your T-SQL

    - by AlexKuznetsov
    How do you unit test your T-SQL? Which libraries/tools do you use? What percentage of your code is covered by unit tests and how do you measure it? Do you think the time and effort which you invested in your unit testing harness has paid off or not? If you do not use unit testing, can you explain why not?

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  • How do I create an NSArray with string literals?

    - by Kyle
    I'm attempting to create an NSArray with a grouping of string literals, however I get the compile error "Initializer element is not constant". NSArray *currencies = [NSArray arrayWithObjects:@"Dollar", @"Euro", @"Pound", nil]; Could someone point out what I'm doing wrong, and possibly explain the error message?

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  • Windows 8 Metro/Modern Start Screen with Multiple Monitors -- Keep it always maximized?

    - by Jersey Dude
    Before installing Win 8 today, my plan was to keep the Metro UI up on my smaller, laptop monitor and have the classic UI running on my two larger monitors. However, in reality, as soon as I click on something in one of the classic UI monitors, the Metro UI minimizes (thus exposing the classic UI in its place). Is there any way to keep the Metro UI from minimizing when I do something in another monitor? Oddly enough, if there is an app running/suspended in the Metro Window, then the Metro UI is not minimized. If the Start screen is currently viewed, clicking in a classic window/monitor switches the Metro UI from the start screen to the last run app. Very peculiar..

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