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  • When to unload graphics object from main memory?

    - by piotrek
    I writing my resource mangaer, and I consider about how it can work for graphics objects (like textures, meshes). I think about this : I want to load texture (in pseudocode): Texture t = resMgr.GetTex("image.png"); and GetTex make something like this: load texture from disk to main memory create texture object (load it to gpu memory) unload texture from main memory I consider about 3 step, does game engines that you know unload meshes/textures after load them into gpu memory ?

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  • Curating projects of deceased friends

    - by Ant
    A very good friend of mine, and an avid programmer, recently passed away. He left nearly 40 projects on BitBucket. Most of them are public, but a few of them are marked as private. I've decided to take on curation duties for the projects rather than leave his work to disappear. If you have been in the same situation, what did you do? Did you open-source everything? Continue development? Delete it all? I'm very interested to hear other people's experiences. There are a few reasons why some of the projects are marked as private (private projects on BitBucket are visible only to invited users and the original creator): One of them is an iOS web app that was free in the app store. I've had to remove the app from the store as I'm shutting down his web sites as a favour to his widow. However, I've already made the app public under the GPL v3 (he was a big GPL supporter). One of them contains proprietary code. It can't be open-sourced. Others are very much work-in-progress. I don't know if he intended to make them into hosted, paid services or if he wanted to give the code away under an open-source licence when they were finished. Here's a list of the private projects: Some kind of living cell simulator that uses SBML along with Runge-Kutta and Euler algorithms to do... something. There's a fair amount of code here but I don't know what it does or how far along it is. No docs. An accountacy application; it seems to have a solid DB design behind it but there's little code on top of that. A website whose purpose is to suggest good restaurants. Built on yii. Seems to have a lot of code but I'd need to set up a WAMP stack to see how far along it is. A website intended to host memorials to people who suffered from the same problem he was. Built on Joomla. I'm not sure how much of the code is just Joomla and how much is custom; again, I'd need to get Joomla running to find out. I'd just introduced him to Mercurial and BitBucket. All of the private projects are single commits of codebases he wasn't using version control with/was previously using SVN. I don't have the SVN repositories so I can't see the commit logs.

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  • What is your opinion of Ext js?

    - by marko
    I'm thinking of pushing my javascript skills further and learn something new. Is Ext JS a good framework to program to work in or is it a pain in the ass? I would consider ext js for making awesome looking business applications, and the framework is huge, but to use a big library I have some fears that it's difficult, buggy and time-consuming. My fear is that I wouldn't want to use some bloatware.

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  • makeMKV setup error

    - by PitaJ
    When I run sudo bash configure (./configure doesn't work), I get this: checking whether we are cross compiling... configure: error: in /media/pitaj/Shared/Documents/makeMKV/makemkv-oss': configure: error: cannot run C compiled programs. If you meant to cross compile, use --host'. See `config.log' for more details In console.log, it says that gcc -V isn't valid I'm following this tutorial: http://www.makemkv.com/forum2/viewtopic.php?f=3&t=224

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  • User intentions analysis

    - by Mark Bramnik
    I'm going to work on some project that would do a user-action recognition based on what he/she does in the system. As far as I understand there are two main parts here: Intercept the user actions (say http traffic in web/ui interaction in thick-client) analysis of user intentions. While the first part is rather technical and therefor easy to implement, the second one is AI related and can be academic. So I was wondering whether someone knows some third-parties/academic projects that would implement the 'action-recognition' stuff?

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  • The Hybrid Cloud: Having your Cake

    With a hybrid cloud, can you get the freedom and flexibility of a public cloud with the security and bandwidth of a private cloud? Robert Sheldon explains all the ins and outs. Free ebook "TortoiseSVN and Subversion Cookbook - Oracle Edition"Use these recipes to work better, faster, and do things you never knew you could do with SVN. If you're new to source control, this book provides a concise guide to getting the most out of Subversion. Download it for free.

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  • ResolveUrl() from WCF service

    - by Michael Freidgeim
    I wanted to ResolveUrl() from WCF service and foundhttp://www.west-wind.com/weblog/posts/2007/Sep/18/ResolveUrl-without-Page .However the function assumes that the call is synchronous, in asynchronous call (e.g called from TPL task) HttpContext.Current==null.I had to split my asynchronous method into two-a long asynchronous one, invoked as task and generating relative URL and a post-task, that is calling wwWebUtils.ResolveServerUrl(relativeUrL)The http://www.codeproject.com/Articles/205425/ASP-NET-ResolveUrl-Without-Page  article suggests to useSystem.Web.VirtualPathUtility.ToAbsolute("~/default.aspx");but i expect, it wouldn’t work from asynchronous thread as well.

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  • Problem with DualBooting Ubuntu 13.10 and Win7

    - by VinArrow
    this is my first post here on AskUbuntu, not first time using it though. I wanted to install Ubuntu 13.10 on my PC to have all my work stuff there and leave Win7 for gaming. So i did my research on how to Dual Boot when you already have Win7 installed, here are the steps i took Used Disk Management on Win7 and shrunk that partition, leaving 80GB free for Ubuntu. Made a Bootable pendrive following the instructions on Ubuntu`s website. During the installation steps there was supposed to be a Install alongside Win7, but there wasnt, so i chose Something else. Everything was fine and i was able to install Ubuntu no problem on my unallocated 80GB partition (76GB Ubuntu + 4GB swap) There was a prompt for me to restart my PC and so I did expecting to see the dual boot screen (grub right?) Now, when i restarted my PC, Grub never showed up and it booted straight to Windows. Then I did some more research and found out that that could happen. Tried three things then Plugging in bootable pendrive again and selected Try Ubuntu without installing. Then i followed some instructions found here (How can I repair grub? (How to get Ubuntu back after installing Windows?)) and i could chroot into my Ubuntu install just fine. Repaired grub as instructed on that link, restarted the PC and booted straight into Win7 again. Again, used the bootable pen drive to Try Ubuntu... and used the Boot-repair tool (recommended repair). Again, booted straight into Win7. Lastly, i installed easyBCD on my Win7 and made a new entry for Ubuntu (Linux/BSD). When i rebooted the PC, there was the option to choose between Win7 and Linux, chose linux and it didnt work, taking me straight to a command line-like enviroment that read Minimum bash like scripting or something, as if I didn`t have a Linux OS installed. So, I thought I`d try and repair my Ubuntu install. And during the Installation method step there was the choice to install alongside Ubuntu 13.10! and that right there drove me crazy. Here is a screenshot of gparted showing how things are set up now http://imageshack.us/f/801/77u3.png/ Notice on the left-hand side how i can access my installation files just fine. sdb1- win7 reserved space, sdb2- win7 OS, sdb3- 76GB ubuntu install, sdb5- 4GB swap area. Does anyone know why my Ubuntu 13.10 is not being recognized? and what should I do to get it working? Thanks and sorry for the long read and bad english! (BIOS = legacy)

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  • Connect a method for window destroy

    - by Roberto
    I have a main window with a Gtk Button named openDialog. If I click on this button another Window (addName) popups. I would like to write a method (or a function, don't know which is the right name in python) in my main window file, called printHi. I would like to run this printHi method (in my main window file), when addName window is destroyed. I tried something like this: def on_addName_destroy(): printHi() But it doesn't work. Any suggestion?

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  • What are invariants, how can they be used, and have you ever used it in your program?

    - by gablin
    I'm reading Coders at Work, and in it there's a lot of talk about invariants. As far as I've understood it, an invariant is a condition which holds both before and after an expression. They're, among other things, useful in proving that loop is correct, if I remember my Logic course correctly. Is my description correct, or have I missed something? Have you ever used them in your program? And if so, how did they benefit?

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  • Developer career feeling like going back in time every new job [closed]

    - by komediant
    Is there a good category for this question? My background is bachelor in ICT and for a hobby I am programming already since I was around twelve I think. Started with QBasic, Pascal, C, Java et cetera. Currently I am working for about eight/nine years. Half academics/medical and half company world. A few years ago I started with frameworks and I began with Grails (underlying Spring/Hibernate), which was a heavenly job, very productive and no hassle. My previous job I developed in pure Spring/Hibernate Java, which was a bit more writing annotations and XML and no conventions like Grails. But still, I did like Spring/Hibernate a lot and the professional setup with a developmentstreet, versioning, Jenkins/Sonar, log4j and a good IDE like IntellIJ. It felt quite 'clear' and organised, although I knew Grails which felt a bit more productive. But...at my current job almost half the code is pure servlet, hard coded JDBC (connections handled by yourself), scriptlets in all JSP pages, no service layer, no versioning, no Maven, HTML in DAO-layer, JAR-hell, no hot swap deployment locally, every change you have to deploy and hope it works fine on the server. All local development needs ugly scriptlet tags to check which environment it is running. Et cetera. Now and then developers work over in the evening - I don't - and still lots of issues are not solved and new projects are waiting. I hear the developers complaining, but somehow they feel like what they have now is "advanced" or they are in a sort of comfore zone. The lead developer seems open for new things, but half of the times he says he can implement MVC-framework features himself instead of using what is already out there. So in short, I currently feel like I miss all the modern framework techniques and that the company is going so slow forward. I just work here for two months now. What I do now is also code some partially ugly stuff, but it goes in completely into my nature and I feel uncomfortable with it. Coding something takes long(er) than estimated and my manager complains about why it takes so long and I feel ashamed for myself needing so much time. Where I was used to just writing a query I now build up whole try catch methods. My manager knows my complaints and the developers do so too. There will come a meeting to line out plans for 2013 on technology and the issues I and the company are facing. I am not looking for another job yet, it's close to wehre I live and the economy is fragile. Does anyone else have had this kind of career, like feeling going backwards witch technology? And how did you cope with it?

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  • Rebuilding a Mac Mini (early 2009)

    - by Kelly Jones
    This weekend I decided to rebuild the family’s Mac Mini.  It’s the early 2009 model and I hadn’t done it since we got it in March of 2009.  Even worse, I had done the import data step (or whatever Apple calls it) which brought over all of the data files and apps from our previous Mac.  AND that install goes back to before 2005, as far as I can remember.  SO, to say that “cruft” had built up in the operating system, is probably a bit of an understatement. The rebuild went pretty smoothly, especially since I had a couple of spare hard drives.  I hooked up a spare USB drive and formatted it for use with the Mac.  I then used Carbon Copy to clone the internal hard drive onto the USB drive.  (Carbon Copy is a great little app that I used several years ago and I was happy to see it was not only still around, but updated as well.) Once I had my backup, I shut down the Mac and replaced the internal hard drive.  I had purchased the hard drive last fall to use with my work laptop, but I got a new work laptop (with awesome dual SSDs) so I wasn’t using it anymore.  The replacement drive (Seagate Momentus 7200.4 ST9500420AS 500GB 7200 RPM 2.5" SATA 3.0Gb/s Internal Notebook Hard Drive) has more than double the original’s capacity and is also faster.  I’ll have to keep an eye on the temperature, since that 7200 drive will run hotter. Opening the Mac Mini is not for the easily intimidated!  That cool little case is quite the pain to open.  Luckily, OWC put a video together here.  After replacing the drive, I then installed a clean copy of OS 10.5 using the DVDs that came with the Mac.  After the OS, it was time to reinstall the apps.  I downloaded some of the freeware, just to make sure I had the latest versions.  For the rest, I just copied from the backup cloned drive to the new drive.  (I love the way most Mac apps are written – with almost everything contained within a “package” that I can just copy from one drive to another.  MUCH better than the Windows way of using shared DLLs and the registry to store critical pieces that the app needs in order to run!) The whole process took longer than I would have preferred, but it was long overdue.  It definitely “feels” faster, especially boot time and application launches.

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  • Generating Data for Database Tests

    It is more and more essential for developers to work on development databases that have realistic data in both type and quantity, but without using real data. It isn't exactly easy, even with third-party tools to hand. Phil Factor shows how it can be done, taking the classic PUBS database and giving it a more realistic set of data. Get smart with SQL Backup ProPowerful centralised management, encryption and more.SQL Backup Pro was the smartest kid at school. Discover why.

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  • A Look at Keyword Search Optimization

    With the great influence of the Internet on a growing number of consumers these days, online marketing is now considered one of the best, if not the best, way to promote a business. This strategy offers greater possibilities for a business to be known enough to generate increasing revenues. Pinpointing the exact right techniques, however, will take some brainstorming which could be a critical stage because it requires a lot of time for marketers to determine on which tricks are, indeed, going to work and which will be a waste of time.

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  • Silverlight Introduction

    This article will be very helpful for beginners who want to know and start development on Silverlight projects. In this article I begin with the definition of Silverlight, then move on to define its purpose. You will also see the development tools required to work with Silverlight. At the end of this article you will have been given a complete introduction.

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  • how to safely Uninstall Ubuntu 12.04 and reinstall 11.10

    - by Jmais
    I upgraded from 11.10 to 12.04 following the instructions here. https://help.ubuntu.com/community/PreciseUpgrades. But after the upgrade a lot of my image processing packages don't work some of their dependencies have been removed. Honestly there is not that much difference between 11.10 and 12.04. So please can someone tell me how to safely remove 12.04 and go back to 11.10 without losing documents, and source packages on my old Ubuntu. Thanks

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  • Knowing the Search Engine Process to Improve SEO

    In order to begin your Search Engine Optimization you must first know how search engines work, whether or not you hire an SEO Consultant. It's important to know what you are trying to attract, as well as how search engines find their pages and determine their rating. There are several steps that are part of a search engines process until they get the results pop up on a searchers screen.

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  • Can not install Ubuntu on Samsung Ultrabook Series 5 (Win 7!)

    - by Torsten
    I have a Samsung Ultrabook Series 5 with Windows 7 (which I want to keep)... I can boot from a USB stick without a problem and ubuntu work fine, but when I want to install it, the installation progress is stopped and it won't go further. It stop with the message: Checking filesystem Before that, I got also a message, that the system can't unmount the /cdrom (which the ultrabook doesn't have!) Thank you very much for help!

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  • Thoughts and rambling on the X protocol

    <b>jd:/dev/blog:</b> "Two years ago, while working on awesome, I joined the Freedesktop initiative to work on XCB. I had to learn the arcane of the X11 protocol and all the mysterious and old world that goes with it."

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  • Making Your Computer More Energy Efficient

    Whether you have a fully equipped home office or whether you only touch a computer when you?re at work in an office outside the home, there?s no denying that a computer is a wonderful tool ? that use... [Author: Nick Vassilev - Computers and Internet - April 20, 2010]

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  • Detect click on Triangle and Circle buttons

    - by chr1s89
    How can i detect clicks on a texture (will be a button in my game) that has a form of a triangle or circle. I know only the rectangle solution where u can use the positions + the width/height but this dont work for that because clicks will be detected at the transparent pixels. I heard of pixel-perfect collision is it the right way for this? It would be great if someone can give me a example for such a solution or other.

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  • Kraft 0.40 for KDE 4 Released

    <b>openSUSE Lizards:</b> "I am very happy to announce the new stable version 0.40 of the KDE office software Kraft. After eleven month of porting work, Kraft 0.40 is the first version which is based on the KDE 4 software platform."

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  • Help with MVC design pattern?

    - by user3681240
    I am trying to build a java program for user login but I am not sure if my MVC design is accurate. I have the following classes: LoginControl - servlet LoginBean - data holder java class with private variables getters and setters LoginDAO - concrete java class where I am running my SQL queries and doing rest of the logical work. Connection class - java class just to connect to the database view - jsp to display the results html - used for form Is this how you design a java program based on MVC design pattern? Please provide some suggestions?

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  • Can casper use a squashfs in the initrd?

    - by Max Brustkern
    I've built a very large initrd containing a full squashfs from a desktop image, and used it to boot a machine over PXE. Unfortunately, casper cannot seem to locate the squashfs, since it's not present on any of the block devices it scans. Is there some way I can force it to check the initrd, or point to a filesystem location there in the bootfrom parameter? I've tried using bootfrom=/ with the casper directory in the root of the initrd, and that didn't seem to work.

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