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  • How to manage security cameras in Ubuntu?

    - by Josh
    I am setting up a server of sorts and chose ubuntu for the OS as my dad has it on a few computers. I am unimpressed with Windows or MAC due to all the add-ons and complexity of it when all I want is something simple. The system will have 3 purposes, storing my wife's photography work (she is a professional photographer) storing music for quick access to our entertainment system (will be running the system through the tv in our living room and thus through our surround sound) and will also serve as a DVR unit for a home security system I am going to put together. My question is what sort of software options are there for the Ubuntu system as far as a DVR with frame by frame playback. It does not need to be fancy but of course a variety of options are a nice touch.

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  • Low level Linux graphics

    - by math4tots
    For educational purposes, I'd like to write an application on a Linux environment that can process keyboard events and draw graphics without huge dependencies like X or SDL. I presume that this must be possible, because X and SDL are just programs themselves, so they must rely on other methods inherent to the environment. Is this understanding correct? If so, where might I learn to write such a program? My limited experience tells me that it would involve making calls to the kernel, and/or writing to special files; however, I haven't been able to find any tutorials on the matter (I am not even sure what to Google). Also, in case it is relevant, I am running Debian Squeeze on Virtualbox. I have used a netinst cd without networking, so there isn't much installed on it currently. I will install gcc, but I am hoping I can get by with nothing more.

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  • How do I break an image into 6 or 8 pieces of different shapes?

    - by Anil gupta
    I am working on puzzle game, where the player can select an image from iPhone photo gallery. The selected image will save in puzzle page and after 3 second wait the selected image will be broken into 6 or 8 parts of different shapes. Then player will arrange these broken parts of images to make the original image. I am not getting idea how to break the image and merged so that player arrange the broken part. I want to break image like this below frame. I am developing this game in cocos2d.

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  • Collision Detection and Resolution in Three.js

    - by androidmaster
    So at the moment am making a simple game using three.js and three.firstpersonControls.js but with the current Three.js r66, they apparently removed checkWallCollision and then in the r67 firstpersonControls removed support for that collision. SO my question is how would i go about checking collision in 3D using three.js and then resolution to that collision. (Pushing player out of the block) Note I used a 2D array to generate the world so it's only cubes that I have to check collision with.... if this is a bad question or am lacking something please tell me before you -rep me, am just not sure how to do this and google doesn't want to help

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  • Developing for iOS on Linux

    - by Jay
    I am looking for an engine or library to develop a game for iOS on Linux. High level, low level, GUI, no GUI, does not matter too much. I am really looking for anything. I'm not actually talking about deploying to iOS from Linux or anything like. I just want to do the bulk of the work on Linux, with minimal changes required to run it on iOS. Edit: YES, I do have access to a Mac, but it is limited. So I want to be able to work on the project on my regular Ubuntu box. Also, I am in the paid developer program, so I can deploy to iOS devices from the Mac.

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  • Python interview questions

    - by Andy
    I am going to interview within two weeks for an internship that would involve Python programming. Can anyone suggest what possible areas should I polish? I am looking for commonly asked stuff in interviews for Python openings. Apart from the fact that I have already been doing the language for over a year now, I fail to perceive what they can ask me. Like for a C or C++ interview, there are lots of questions ranging from reversing of strings to building linked lists, but for a Python interview, I am clueless. Personal experiences and/ or suggestions are welcomed.

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  • My First Post @ geekswithblogs

    - by sathya
    Dear Friends, Here is my first post on geekswithblogs. I am happy that I have got a separate space here to blog. I am an MCTS certified Professional in .Net 2.0 Web applications, working as a Senior Software Engineer. Willing to share my knowledge on all topics whatever I know. I am also an active presenter / speaker in Microsoft Developer User Group HyderabadTechies. And I have presented many online sessions there. I keep myself updated on the latest technologies in Microsoft. You can see my posts here on the following subjects : C# ASP.NET SQL Server SQL Server Integration Services (SSIS) SQL Server Analysis Services (SSAS) SQL Server Reporting Services (SSRS) I have a personal blog too where I share my knowledge. Pls take a note of it. http://cybersathya.blogspot.com You can see me here often posting the updates on technologies and the technical challenges that I faced and the solutions for the same. Stay Tuned !!! Regards Sathya Narayanan Srinivasan

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  • how to follow python polymorphism standards with math functions

    - by krishnab
    So I am reading up on python in Mark Lutz's wonderful LEARNING PYTHON book. Mark makes a big deal about how part of the python development philosophy is polymorphism and that functions and code should rely on polymorphism and not do much type checking. However, I do a lot of math type programming and so the idea of polymorphism does not really seem to apply--I don't want to try and run a regression on a string or something. So I was wondering if there is something I am missing here. What are the applications of polymorphism when I am writing functions for math--or is type checking philosophically okay in this case.

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  • Low coupling processing big quantities of data

    - by vitalik
    Usually I achieve low coupling by creating classes that exchange lists, sets, and maps between them. Now I am developing a batch application and I can't put all the data inside a data structure because there isn't enough memory. I have to read and process one chunk of data and then going to the next one. So having low coupling is much more difficult because I have to check somewhere if there is still data to read, etc. What I am using now is: Source - Process - Persist The classes that process have to ask to the Source classes if there are more rows to read. What are the best practices and or useful patterns in such situations? I hope I am explaining myself, if not tell me.

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  • How can we view 3d objects from top down view in TD game

    - by Syed
    I am making a tower defense game. I am working in x and y axis only. I have made a grid, snapped towers and made a pathfinding algo to run enemy. Initially I have worked with cubes and spheres in place of towers and enemies. Now I am going to place real towers (3D). Note that I haven't used z axis up till now. The user will analyze the game from top down view. I want the user to see towers placement with a little bit of 3d view but I have made my all code in 2d thing. Is there any solution to my problem that somewhat tower placement would view a 3D touch or you can say 2.5D ?? (like fieldrunners) or should I have to involve z axis and ignoring y axis ?

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  • How to find data usage of a user on my website?

    - by Dharmik
    I have a website (project) where users get logged in, do their work and then they log out. I need to build a report that displays how much each person has used of data. (bandwidth, how much was downloaded in Kb, etc) So the process may be like counting start of usage from user login to user logout. I have seen a little about Webalizer and AWStats for something like this, But I am not sure how they work. I have tried Content-Length but some pages don't send content-length.I have also seen mod_bandwidth but still I am little confused. This process is needed for my site because now, our company is thinking of charging per usage and also bandwidth allocation for each users (according to their membership). I haven't worked with this type of tools, I am newbie in this matter. I have done only simple websites not any setting like this in Apache or Linux. My project is in Codeigniter.

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  • How can I change my cursor behavior?

    - by Doug Clement
    When I am typing, my mouse cursor, if left on the text, will eventually auto-click in whatever space in the the text box I happen to be, causing me to type in the middle of a sentence. Also, the cursor in the text box will frequently stop mid-word and the screen will scroll down all of a sudden when pressing the space bar while typing. My question is, how do I change this behavior because it is driving me absolutely bat crap crazy. I have an Acer Aspire One D257 Netbook. I am not sure if it's a Xubuntu problem because it does this while I am using Windows 7 too. Any help would be nice, thanks!

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  • Ms Build publishing vs Visual Studio IDE publishing

    - by reggie
    I am currently working on ms build to publish my winform application based on the environment selected (Dev or Prod). I am using Ms Build Community Task and referencing this article to achieve this purpose. I had a few theoretical doubts based on publishing application. 1) Is there any difference in publishing through the visual studio ide and msbuild? 2) What do most developers prefer to use and why? 3) What are the advantages of using MsBuild to publish an application as compared to publishing through the visual studio IDE? 4) What is faster? I am using a .net 3.5 winform application developed in Csharp and my question is pertaining to clickonce windows applications only. Please help me clear these doubts

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  • How to set-up DSL dialer for Ubuntu 12.04 LTS

    - by Mohammad Yaseen
    I have just installed Ubuntu 12.04 LTS and I'm unable to get my DSL dialer working properly. To set this up in Windows 7 I had to do following: Control Panel --- Network and Intertnet Network and sharing center --- Setup a new network or connection Connect to the internet --- Broadband PPPoE Enter username and Password.. CLick 'Connect' and Done. I am doing following steps in Ubuntu with no luck: Click on 'Two Arrows' (i don't know what they are called) on upper right corner. Configure VPN --- DSL tab --- Add Then I entered username, password, MAC address and Clone MAC address (copied from Auto Ethernet). Save The same set up used to work with Ubuntu 10.10 but it is not working here. Now whenever I click on DSL Connection 1 to connect dialer 'Auto Ethernet' gets disconneted and I end up with no Internet connection. I am new to Ubuntu, Please suggest some easy steps. I have installed ubuntu alongside windows. And dialer works fine in Windows environment, i am writing this in Windows .

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  • Adding partitions to dual boot on Windows

    - by Bernard
    I am trying to install Ubuntu 12.04 along side Windows 7 on an HP mini 210 netbook. I have down loaded an iso image OK and got the installation program working but I am having problems with partitioning. I want to keep my Windows installation intact so I am following the 'Other' installation route. I have managed to shrink the main Windows partition down to 50GB leaving 250GB free space but I can't find a way of adding any extra partitions for Ubuntu. The free space gets listed by the installer as 'unusable' but on the graphic at the top its called 'free space'. If I select this and click 'Install Now' I get an error message: 'No root file system is defined'. I have tried clicking the Add, Change Delete and New Partition table buttons with the unusable partition selected and nothing happens. How do I define a root mount point when I do not have any Linux partitions?

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  • Flashplayer 11.1 on Ubuntu 12.04

    - by Courtney
    I am new to Ubuntu and I've visited pretty much every webpage that exists on the internet about how to install canonical Flashplayers. Ubuntu 12.04 comes with Adobe Flashplayer 11.2 but that is not the most recent version and Adobe no longer supports Ubuntu apparently. I have no idea how to install Flashplayer 11.1 via Terminal. I was able to find a site with canonicals (https://launchpad.net/ubuntu/+source/flashplugin-nonfree) but I have no clue where to go from there, though I've tried for approx. 4 hours to figure it out on my own. I am hoping someone could take me step by step through the exact code. For example, "download, then install file" is not specific enough since I am completely new to this. Please help!

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  • I need to develop a parser. Can I use Lex and Yacc for the purpose?

    - by Scrooge
    I need to extract very particular data from log files(of different types and formats). Since I am a recent college passout; my mind ran to using Lex and Yacc for the purpose. Now I have the following Questions 1. Will it be legal to do so ? (This product I am working for belongs to one of the biggest tech companies in the world.) 2. Also ; I would like to know if I am being too afraid to write my own parser? 3. How can I use Lex and Yacc if my product is Windows based? Please tell me if you need any clarification or extra information.

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  • How well do laptops with Nvidia Optimus work?

    - by DSJones
    I am considering buying a Dell XPS 15 laptop. The laptop has a nvidia 420m card which should work with linux but I keep reading about the Nvidia optimus technology that isn't supported on Linux. I am not really interested in switching from Nvidia to intel to save power but need to know that the Nvidia card will infact work if i installed Ubuntu. If anyone has experience usung a nvidia card with optimus technology or even better the exact laptop in question (Dell XPS 15 with 1GB NVIDIA® GeForce® GT 420M) it would be great. A major problem holding people back from adopting Linux is this sort of hardware issue. I am a long term Ubuntu user and supporter who can't afford to make a mistake with a purchase like this. I don't want to spend £500+ to find I have no graphics acceleration because Windows7 is not an option.

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  • Good alternative to NetLimiter(windows) for ubuntu

    - by Harsh
    there is program NetLimiter for windows. while I was using windows it was very useful to me to find out the IP address of ther person who was downloading from me, or to know IP address of any person on lan who was using DC++ with some nick. and after that I can easily know the computer name of that person using nbtstat. I was wondering if there is any tool for ubuntu using which I an find out the IP address of person who is downloading from me or from whom I am downloading on lan. I am on university lan and we are using PtokaX and DC++ for file sharing on lan. people sometimes put some offencive stuff on open chat on DC++ using some Nick and I don't know how to trace them while I am using Ubuntu. Plz help.

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  • VirtualBox host: Ubuntu vs. Windows XP

    - by iambriansreed
    In order to lengthen the lifespan of my machine I am replacing the weakest link, the hard drive and installing a new OS. I had planned on using xp pro as my virtualbox host and ubuntu as guest. After messing with ubuntu desktop and server I am really impressed and am thinking of reversing the virtualbox setup; ubuntu host xp guest. I would use XP for Adobe Fireworks, Netflix, and iTunes (maybe) that's pretty much it. Any reason not to do ubuntu host with xp guest? I know the xp vbox will run slower as a guest but really how much slower? It's a desktop. 4gb ram, 500gb disk, Pent D 3.2 ghz

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  • TDD with limited resources

    - by bunglestink
    I work in a large company, but on a just two man team developing desktop LOB applications. I have been researching TDD for quite a while now, and although it is easy to realize its benefits for larger applications, I am having a hard time trying to justify the time to begin using TDD on the scale of our applications. I understand its advantages in automating testing, improving maintainability, etc., but on our scale, writing even basic unit tests for all of our components could easily double development time. Since we are already undermanned with extreme deadlines, I am not sure what direction to take. While other practices such as agile iterative development make perfect since, I am kind of torn over the productivity trade-offs of TDD on a small team. Are the advantages of TDD worth the extra development time on small teams with very tight schedules?

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  • Layouts in HTML

    - by TerNovi
    I am trying to have a div then inside the division have some different places where I can place stuff. For example. <div blah> <table blah> content... </table> <table blah> content... </table> <table blah> content.... </table> </div> I am not really a web developer so I know this question might seem simple but any help is greatly appreciated. Oh and I am using Macromedia Dreamweaver 8. Thanks.

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  • VMWare-Tools Installation fails

    - by Ajay
    I am trying to install VMwareTools-8.4.6-385536.tar.gz (VMWare Tools) on the following operating system: Ubuntu 11.04 Linux ubuntu 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC 2011 i686 i686 i386 GNU/Linux I am using VMPlayer version 3.1.4 - build 385536 After starting the installation I am getting the following errors: What is the directory that contains the init scripts? [/etc/init.d] Error opening No such file or directory Distribution provided drivers for Xorg X server are used. Skipping X configuration because X drivers are not included. Creating a new initrd boot image for the kernel.<br> update-initramfs: Generating /boot/initrd.img-2.6.38-8-generic Starting VMware Tools services in the virtual machine: Switching to guest configuration: done Blocking file system: done Guest operating system daemon: failed Virtual Printing daemon: done Unable to start services for VMware Tools Can somebody help in this?

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  • Codestock: Apparently Powershell ain't got the power

    - by Theo Moore
    I checked on the status of voting on the Codestock (www.codestock.org) site this week. I was surpised to see that none of the Powershell sessions were among leaders in voting. Now, I confess that I am somewhat biased (my session is on Powershell), but that said, I thought it odd. I was under the impression that Powershell had a strong following and that many people were using it. I suppose the voting reflects a stronger developer community that might not make use of Powershell to degree some others might. I am a huge fan of Powershell and I am constantly impressed with the things it can do. In my case, I use it as lightweight functional testing harness for web pages. I use it in this capacity at work and for work I do for the Carbonated Comics (www.carbonatedcomics.com) site as well. If anyone still hasn't registered, do us a favor and vote for a Powershell session, K?

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  • Enable wifi on my computer - firmware missing

    - by Sarah
    I am attempting to set up a wireless network on 11.04, freshly download today. The router is on and working. However, I do not have a wifi "card" (which I am assuming is a little USB-type thing that allows internet access, but correct me if I am wrong) and every time I try to type in the MAC address and everything, nothing works. I also get the "firmware missing" error when I scroll over the signal strength, which I have tried looking up but have been unsuccessful with completely understanding it. I guess my main question is do I need another little device to be able to use wifi on my ubuntu? I do have an ethernet cable but another person is using it and I do not want to be tied down to that cable. the problem is that none of the wireless networks show up, however they show up when I go into Windows mode on my laptop. I get an error message at the top saying "firmware missing" which I have tried looking up but still have no straight answer for.

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