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  • Is it better to concentrate on one or two research projects throughout undergrad?

    - by AruniRC
    Currently in the 4th semester of engineering in an Indian university. The thing is - is it better to do as many short-lived projects/research work on diverse topics of computer science or stick to one/two projects consistently throughout my undergraduate years? Case in point: currently working on an image-processing project that promises to carry on for a year or so (as per the prof). Does this seem like being over-specialized at too early a level? Although taking on too many things will spread me out thin and in all probability not end up getting any meaningful work done. Especially as I hope to apply for grad school in the US. Would really appreciate any views and suggestions on this.

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  • bridge network using route

    - by wannabe
    I have been googeling and searching on how to do bridge my wifi connections to my internet connection using route. I have a ubuntu server 12.04 with a wifi and normal network card I also have a router that is connected to the internet on my ubuntu server i have eth0 connected to the router; IP 192.168.1.12 GW 192.168.1.1 DNS 212.54.40.25 this all works great I have set up my wlan0 as my accespoint, and DHCP to feed an IP to any device that connects to it. if i connect, for example, my android smartphone to my wlan0 acces point it will get the following IP 10.10.0.2 GW 10.10.0.1 DNS 212.54.40.25 How in earth can I bridge this connection and acces the internet from my android? I dont want to make use of BR0 bridge-utils but accomplish this using route. Many thanks in advance

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  • How do I best remove an entity from my game loop when it is dead?

    - by Iain
    Ok so I have a big list of all my entities which I loop through and update. In AS3 I can store this as an Array (dynamic length, untyped), a Vector (typed) or a linked list (not native). At the moment I'm using Array but I plan to change to Vector or linked list if it is faster. Anyway, my question, when an Entity is destroyed, how should I remove it from the list? I could null its position, splice it out or just set a flag on it to say "skip over me, I'm dead." I'm pooling my entities, so an Entity that is dead is quite likely to be alive again at some point. For each type of collection what is my best strategy, and which combination of collection type and removal method will work best?

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  • Do I need the 'w' component in my Vector class?

    - by bobobobo
    Assume you're writing matrix code that handles rotation, translation etc for 3d space. Now the transformation matrices have to be 4x4 to fit the translation component in. However, you don't actually need to store a w component in the vector do you? Even in perspective division, you can simply compute and store w outside of the vector, and perspective divide before returning from the method. For example: // post multiply vec2=matrix*vector Vector operator*( const Matrix & a, const Vector& v ) { Vector r ; // do matrix mult r.x = a._11*v.x + a._12*v.y ... real w = a._41*v.x + a._42*v.y ... // perspective divide r /= w ; return r ; } Is there a point in storing w in the Vector class?

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  • Forbes.com: Oracle's message is Loud & Clear – “We’ve Got The Cloud”

    - by Cinzia Mascanzoni
    In a two-part series on Oracle's cloud strategy, Bob Evans reports on the October 4 meeting where Wall Street analysts questioned Mark Hurd and Safra Catz about the company's positioning for the shift to cloud computing. Access the article and read the Q&A exchanges between the analysts and Hurd and Catz. And then check out Bob's related Forbes.com piece "The Dumbest Idea of 2013," in response to the preposterous chatter that Larry Ellison and Oracle don't "get" the cloud. His powerful six-point argument unravels our competitors' spin. Go to the two-part strategy article. Read the "Dumbest Idea." Follow Bob on Twitter as he frequently updates his Oracle Voice column on Forbes.com.

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  • How can I get a 2D texture to rotate like a compass in XNA?

    - by IronGiraffe
    I'm working on a small maze puzzle game and I'm trying to add a compass to make it somewhat easier for the player to find their way around the maze. The problem is: I'm using XNA's draw method to rotate the arrow and I don't really know how to get it to rotate properly. What I need it to do is point towards the exit from the player's position, but I'm not sure how I can do that. So does anyone know how I can do this? Is there a better way to do it?

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  • Topics for covering in-depth programming knowledge

    - by black_belt
    I pursued my bachelors' degree in business administration, but my interest in Information Technology led me to acquire some knowledge of PHP programming and MySQL database. I find programming so interesting that I haven't applied for any job since my graduation. Currently I am staying home and just trying to acquire in-depth knowledge of PHP programming. So far I have developed couple of websites and web applications including Inventory+ Point of Sale Software and an Accounting system for small organizations. I aim to have knowledge that a Computer Science graduate should have, and for that I want to read books but I have no idea where to start from. Could you please suggest me some books and topics that I should study on? Thanks a lot :)

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  • &ldquo;Fixing&rdquo; T-SQL

    In a comment to my previous post, Rich asked Does this mean you're the person to fix T-SQL programmability? I honestly dont know the answer to that question because, coming from the outside, Im not sure about everything thats wrong with T-SQL. Id love to hear more from anyone whos got an opinion (and any pointers to complaints around the web would be welcome as well). You can also feel free to use my contact form to talk to me directly. I cant promise I can do anything at this point, but Im...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Unity Not loading after installing Nvidia proprietary drivers

    - by user108705
    I just got a new Nvidia GTX 650. The huge downside at this point is that whenever I use the open source driver, the computer is ridiculously slow. Whenever I use the proprietary drivers and restart, the desktop wallpaper will load and nothing more. I've tried restarting unity only to get a continuous rolling error. With the CCSM options, unity is enabled, yet nothing appears. Whenever I'm using proprietary drivers I get a microcode error which happens so quickly that I can't record the number.

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  • I want to try and find an RFC for Business Listings.

    - by nc01
    I'm trying to figure out how to find out if there's a good standard format for sharing business information such as: Business Name Address - well-defined fields Lat,Lng Coords Business Type - maybe from a well-defined enum, my starting point contains Retail,Food,Drink,Coffee,Service Hours of operation - including a spot for 'except laksdasd' or 'sometimes we open late' which could be just plain language Business Keywords - don't know if this is asking too much. how well do http meta tags work in practice? So, if no such thing exists, is this something I can submit to IETF? I can't currently find it on http://www.rfc-editor.org/cgi-bin/rfcsearch.pl , and vCard doesn't suit my needs.. Thanks!

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  • Skype 4.2 crashes and bugs on 13.10

    - by Juhani Taylor
    I've installed Skype and it appears to work fine right up until the point where I try to call someone. If I try to video call someone then the programme freezes and I have to force quit. I've tried several 'solutions' I've found on various forums but none seem to work. Now, when I try to call the Echo service as a test to see if the bug's fixed, it seems to connect and start the non-video call, except that it's completely silent. No audio at all. Any help? It seems to be 2 separate issues: audio and generic crashing. Anyone come across these and found solutions?

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  • Intel dément trouver Windows 8 pas assez finalisé, l'OS serait même l'une des meilleures choses qui soient arrivées à la société

    Windows 8 ne serait pas encore finalisé pour le patron d'Intel qui estime que des améliorations sont encore nécessaires Microsoft va officiellement lancer Windows 8 le 26 octobre avec une nouvelle génération de tablettes et PC fonctionnant sous le système d'exploitation. Mais, il semblerait que l'OS ne soit pas encore totalement finalisé. C'est en tout cas ce que pense Paul Otellini, le PDG d'Intel, selon un article Bloomberg. Le patron du constructeur de microprocesseurs qui est le partenaire le plus proche de Microsoft aurait déclaré lors d'une réunion privée avec son équipe de Taïwan que Windows 8 va être lancé avant d'être finalisé. D'un point de vu comm...

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  • Broadcasting webinars to and from Ubuntu

    - by Chris Wilson
    I've recently attended an online workshop using Citrix GoToWebinar, a service that allows someone to broadcast their desktop and audio out to all members connected to the presentation as well as receive audio and screencasts from those attendees , and the experience was unbelievable, and I was wondering if there was any such service/software available on Ubuntu. Points to consider include, but are not limited to: Web services or local applications. Free (as in beer) or paid. Free (as in speech) or proprietary. Ease of use Ease of setup Any other point that anyone can thing of

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  • Domain name at different host to website

    - by Corbula
    I have someone i'm making a website for with a domain name and current website hosted at fasthosts. I've built them a website hosted at a different host, unlimitedwebhosting. The website i've made them is in a directory like this. www.mysite.com/dev/0002 So fasthosts: Is the registrar for the domain name, it also has all of the email addresses and their current site. unlimitedwebhosting: Has the new site in a sub directory, like .com/dev/0002 Is it possible to keep the domain name and email addresses all hosted at fasthosts and to have the new website hosted in my unlimitedwebhosting account and to somehow have the domain point to the new website?

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  • Mediawiki hosting? [closed]

    - by Oatman
    Possible Duplicate: How to find web hosting that meets my requirements? What is the best mediawiki hosting provider? I want to be able to have a fairly simple, reliable wiki attached to a site's subdomain (wiki.mysite.com). I'd prefer it as a service, updates handled for me, I don't want to see any code! I imagine I'll change my dns to point to the provider and pay a few bucks a month. Nice and simple. There seem to be a few providers who offer this, what have you had success with?

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  • Can you be a programmer and Business manager at the same time?

    - by the_knight5000
    Hello all, I think I'm struggled in some situation! We are a new start-up with 5 employees (2 Programmers). I'm the Technical Manager and that was so fine! Now I can see the fingers point to me to take the control of everything, as I've the big vision of what our organization do and play the role of CEO or General Manager! I want to, but I've no idea if it would be risky to our organization to make such a decision? How would managerial interrupts affect the technical productivity? Any tips or previous experience about such situation would help :) Thanks in advance!

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  • RTOS experience

    - by Subbu
    I have been working as an embedded software engineer on mostly 8 bit micro-controller firmware and desktop/mobile applications development for the past five years. My work on a WinCE project (in which I got introduced to .NET CF) was short lived. I did use core APIs for interrupt processing, peripheral communication, etc...but again, not exactly a pure RTOS environment. In order to get together more solid experience for growing more in the embedded field, I want to work more with RTOSes. Will buying an evaluation board with an RTOS and putting together a project at home be regarded as a good experience or will an online course be more useful? I am just not clear as to what will be regarded as good experience. Any suggestions or directions will greatly help me. I have a passion for the field but just a need a point in the right direction.

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  • Logic behind crawling an webpages like that of Screaming Frog? [on hold]

    - by sree
    I would like to know what is the parameters to be considered while developing a crawler like that of Screaming Frog. Am looking forward for information on do's and dont's of webpage crawling. What are the problems the crawler may infuse on the webpages like loadtime (maybe?) or anything that effects webpage during crawling. What are the rules the crawler needs to follow etc. Basically anything info that makes the crawler look good and accurate. Just point me in a right direction to achieve it.. Hope my requirement is clear this time.. :)

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  • Putting a Java/Slick game on your website?

    - by MakesYouStranger
    I've made a simple little 2D game in Java using Slick and I want to embed it in my website. I'm just a little confused as to how to go about it, I'm guessing I need to export it as a WAR file? Sorry if this isn't really specific but oddly enough I couldn't find any information on this subject. I think I may lack the basic vernacular to describe my question, because most of my google and other searches turn up completely unrelated results any help would be appreciated, I just need a starting point. Thanks

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  • Determining if a visitor left your server

    - by Jeepstone
    We have an Apache server running a PHP website. The site is an e-commerce shop. We currently use Barclays as the payment provider but are seeing a lot of customers drop out at the point at which we transfer them to the payment gateway (hosted with Barclays) I can see specific instances in the shop where orders have been created but not paid/failed but I need to ascertain if the user has definitely left our server (or just failed to reach Barclays). Is there anything in any of the server/access logs that states when a user transferred to a different domain?

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  • Announcement: Oracle SuperCluster T5-8

    - by uwes
    Oracle's Fastest Engineered System On 27th of June we are announcing Oracle SuperCluster T5-8, Oracle’s fastest engineered system. Combining powerful virtualization and unique Exadata and Exalogic optimizations, SuperCluster is optimized to run both database and enterprise applications, and is ideal for consolidation and private cloud. SuperCluster is a complete system integrating SPARC T5-8 servers, Exadata Storage Servers, ZFS Storage Appliance, InfiniBand network and software, delivering extreme performance, no single point of failure, and highest efficiency while reducing risks and costs. Leverage Oracle SuperCluster T5-8 for IBM and HP competitive displacements, upgrading existing data centers, or new customer deployments. Please read the Product Bulletin on Oracle HW TRC for more details. (If you are not registered on Oracle HW TRC, click here ... and follow the instructions..) For More Information Go To: Oracle SuperCluster T5-8 oracle.com OTN

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  • Windows 8/Surface Lunch Event Summary

    - by Tim Murphy
    Today was a big day for Microsoft with two separate launch event.  The first for Windows 8 and all of it’s hardware partners.  The second was specifically to introduce the Microsoft Windows 8 Surface tablet.  Below are some of the take-aways I got from the webcasts. Windows 8 Launch The three general area that Microsoft focused on were the release of the OS itself, the public unveiling of the Windows Store and the new devices available from its hardware partners. The release of the OS focused on the fact that it will be available at mid-night tonight for both new PCs and for upgrades.  I can’t say that this interested me that much since it was already known to most people.  I think what they did show well was how easy the OS really is to use. The Windows Store is also not a new feature to those of us who have been running the pre-release versions of Windows 8 or have owned Windows Phone 7 for the past 2 years.  What was interesting is that the Windows Store launches with more apps available than any other platforms store at their respective launch.  I think this says a lot about how Microsoft focuses on the ability of developers to create software and make it available.  The of course were sure to emphasize that the Windows Store has better monetary terms for developers than its competitors. The also showed off the fact that XBox Music streaming is available for to all Windows 8 user for free.  Couple this with the Bing suite of apps that give you news, weather, sports and finance right out of the box and I think most people will find the environment a joy to use. I think the hardware demo, while quick and furious, really show where Windows shine: CHOICE!  They made a statement that over 1000 devices have been certified for Windows 8.  They showed tablets, laptops, desktops, all-in-ones and convertibles.  Since these devices have industry standard connectors they give a much wider variety of accessories and devices that you can use with them. Steve Balmer then came on stage and tried to see how many times he could use the “magical”.  He focused on how the Windows 8 OS is designed to integrate with SkyDrive, Skype and Outlook.com.  He also enforced that they think Windows 8 is the best choice for the Enterprise when it comes to protecting data and integrating across devices including Windows Phone 8. With that we were left to wait for the second event of the day. Surface Launch The second event of the day started with kids with magnets.  Ok, they were adults, but who doesn’t like playing with magnets.  Steven Sinofsky detached and reattached the Surface keyboard repeatedly, clearly enjoying himself.  It turns out that there are 4 magnets in the cover, 2 for alignment and 2 as connectors. They then went to giving us the details on the display.  The 10.6” display is optically bonded to the case and is optimized to reduce glare.  I think this came through very well in the demonstrations. The properties of the case were also a great selling point.  The VaporMg allowed them to drop the device on stage, on purpose, and continue working.  Of course they had to bring out the skate boards made from Surface devices. “It just has to feel right” was the reason they gave for many of their design decisions from the weight and size of the device to the way the kickstand and camera work together.  While this gave you the feeling that the whole process was trial and error you could tell that a lot of science went into the specs.  This included making sure that the magnets were strong enough to hold the cover on and still have a 3 year old remove the cover without effort. I am glad that they also decided the a USB port would be part of the spec since it give so many options.  They made the point that this allows Surface to leverage over 420 million existing devices.  That works for me. The last feature that I really thought was important was the microSD port.  Begin stuck with the onboard memory has been an aggravation of mine with many of the devices in the market today. I think they did job of really getting the audience to understand why you want this platform and this particular device.  Using personal examples like creating a video of a birthday party and being in it or the fact that the device was being used to live blog the event and control the lights and presentation.  They showed very well that it was not only fun but very capable of getting real work done.  Handing out tablets to the crowd didn’t hurt either.  In the end I really wanted a Surface even though I really have no need for one on a daily basis.  Great job Microsoft! del.icio.us Tags: Windows 8,Win8,Windows 8 Luanch

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  • My laptop shuts down when I remove the charger

    - by Hakim0
    Laptop shuts down when charger is removed. As well I get a message when booting up saying disk drive for /media/3936-3939 is not ready or not present. About a week ago I was trying to install a matlab iso file using mount commands etc... I tried mount, fuseiso, and UNETbootin. I have a feeling this may have something to do with message I'm getting from booting up. If anyone can point me in the right direction or help me out. Many thanks.

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  • Predicted target location

    - by user3256944
    I'm having an issue with calculating the predicted linear angle a projectile needs to move in to intersect a moving enemy ship for my 2D game. I've tried following the document here, but what I've have come up with is simply awful. protected Vector2 GetPredictedPosition(float angleToEnemy, ShipCompartment origin, ShipCompartment target) { // Below obviously won't compile (document wants a Vector, not sure how to get that from a single float?) Vector2 velocity = target.Thrust - 25f; // Closing velocity (25 is example projectile velocity) Vector2 distance = target.Position - origin.Position; // Range to close double time = distance.Length() / velocity.Length(); // Time // Garbage code, doesn't compile, this method is incorrect return target.Position + (target.Thrust * time); } I would be grateful if the community can help point out how this is done correctly.

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  • Elantech trackpad being identified as a logitech wheel mouse

    - by user11895
    I recently purchased a Samsung RF510 laptop computer, which I absolutely love. However, upon installing Ubuntu 10.10 onto it I couldn't get the trackpad to function properly. It worked as a basic mouse (point and click) but had no functionality for edge scrolling or any of the multitouch settings the trackpad is capable of. After doing a lot of research I discovered the reason is a known issue where the Ubuntu kernel will improperly detect an Elantech trackpad as a logitech PS/2 wheel mouse, and as such will gain none of the functionality that seems to be coded for synaptics trackpads. The question I have is: does anyone know a way to get this working properly? This is my first time trying to run Ubuntu on a laptop (actually, it's my first laptop in the last 12 years) and I'm finding the experience to be intolerable without the basic scrolling/zooming/etc I've been used to using for as long as I can remember.

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