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  • time issue in render libgdx [duplicate]

    - by jaysingh
    This question is an exact duplicate of: deWitters Game loop in libgdx(Android) pls. help how to implement this loop in render method next_game_tick and GetTickCount(); always contain same time value so player position not updated. @Override public void render() { float deltaTime = Gdx.graphics.getDeltaTime(); Update(deltaTime); Render(deltaTime); } const int TICKS_PER_SECOND = 50; const int SKIP_TICKS = 1000 / TICKS_PER_SECOND; const int MAX_FRAMESKIP = 10; DWORD next_game_tick = GetTickCount(); int loops; bool game_is_running = true; while( game_is_running ) { loops = 0; while( GetTickCount() > next_game_tick && loops < MAX_FRAMESKIP) { update_game(); next_game_tick += SKIP_TICKS; loops++; } display_game(); }

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  • Bring 2 GB Large Pages to Solaris 10

    - by Giri Mandalika
    Few facts: 8 KB is the default page size on Oracle Solaris 10 and 11 as of this writing Both hardware and software must have support for 2 GB large pages SPARC T4 processors are capable of supporting 2 GB pages Oracle Solaris 11 kernel has in-built support for 2 GB pages Oracle Solaris 10 has no default support for 2 GB pages Memory intensive 64-bit applications may benefit the most from using 2 GB pages Prerequisites: OS: Oracle Solaris 10 8/11 (Update 10) or later Hardware: Oracle servers with SPARC T4 processors e.g., SPARC T4-1, T4-2 or T4-4, SPARC SuperCluster T4-4 Steps to enable 2 GB large pages on Oracle Solaris 10: Install the latest kernel patch or ensure that 147440-04 or later was installed Check the patch download instructions Add the following line to /etc/system and reboot set max_uheap_lpsize=0x80000000 Finally check the output of the following command when the system is back online pagesize -a eg., % pagesize -a 8192 <-- 8K 65536 <-- 64K 4194304 <-- 4M 268435456 <-- 256M 2147483648 <-- 2G % uname -a SunOS jar-jar 5.10 Generic_147440-21 sun4v sparc sun4v Also See: Solaris 9 or later: More performance with Large Pages (MPSS) Large page support for instructions (text) in Solaris 10 1/06 Solaris: How To Disable Out Of The Box (OOB) Large Page Support? Memory fragmentation / Large Pages on Solaris x86

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  • how to fix fatal error jvmti.h No such file or directory compilation terminated on c code ubuntu? [on hold]

    - by Blue Rose
    how to fix fatal error jvmti.h No such file or directory compilation terminated c code ubuntu? my c code is: #include "jvmti.h" JNIEXPORT jint JNICALL Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) { /* We return JNI_OK to signify success */ printf("\nBushra Za'areer,\n\n"); return JNI_OK; } JNIEXPORT void JNICALL Agent_OnUnload(JavaVM *vm) { } type this command in terminal: gcc -Wall -W -Werror first_agent.c -o firstagent first_agent.c:1:19: fatal error: jvmti.h: No such file or directory compilation terminated. where java jdk version javac 1.7.0_25 where gcc version gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-2ubuntu4) here should update gcc version to 4.8?

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  • Should a primary key be immutable?

    - by Vincent Malgrat
    A recent question on stackoverflow provoked a discussion about the immutability of primary keys. I had thought that it was a kind of rule that primary keys should be immutable. If there is a chance that some day a primary key would be updated, I thought you should use a surrogate key. However it is not in the SQL standard and some RDBMS' "cascade update" feature allows a primary key to change. So my question is: is it still a bad practice to have a primary key that may change ? What are the cons, if any, of having a mutable primary key ?

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  • I can't click on some things and other problems

    - by Ruben
    I have some issues with my Ubuntu 12.04 . When I open Ubuntu Software Center, the program opens and than just disappears just when it is opened. My Ubuntu 12.04 won't install any updates because of this error in the picture. Worst of all: I can't click on anything except for programs that from Ubuntu: for example I can't browse the internet via Firefox or Chromium... I can't click on folders. I can't click on things in my Thunderbird mail program. But I can click on Update manager for example... It is just clicking that doesn't work, when I try 'clicking' something with using the tab-button and enter I can click on something - in every case. But that's just too annoying to do. Oh sorry guys I had some screenshots that illustrate the problems, but I can't get them off the 'problem pc ubuntu 12.04' about which I am talking... it's so sad

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  • HDMI Audio stops after TV turned off

    - by Ryan
    After the 12.04 Update my HDMI audio stops working anytime I turn off my 2nd monitor(plasma TV). Graphics card is a Radeon 6800 which has DVI out to 1st monitor, HDMI out to receiver which the TV gets it's Audio/Video. Audio is always via my receiver sound. Things work fine as long as it boots with the TV and Receiver on. Turn off the TV and BART's HDMI audio will go away, and the HDMI option vanishes from the sound menu. I had an occasional HDMI issue with 11.10 but turning on/off the TV would fix the sound. How can I hardcode things so that it always uses HDMI out of audio? I suspect the TV is sending a signal upon that 12.04 is now listening for. Turning the TV back on does NOT resolve this, and I'd suggest having the ability to override this new "feature" via sound menu.

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  • Black screen after login, after Kubuntu upgrade from 13.04 to 13.10

    - by Soul Trace
    After upgrade from 13.04 to 13.10 I have troubles with Xorg - all boot process goes fine, but I have a black screen when Xorg starts (KDE starts, and I can hear AC adapter (dis)connect sounds). Trouble is in Xorg only, framebuffer console (ctrl-alt-f2) works fine, backlight turns on when I switch to console and turns off again after I switch back to X. All worked fine before release upgrade. I'm running AMD64 version of Kubuntu 13.10 on Samsung RV508 (Intel i915 graphic, no EFI) notebook. Xorg 1.14.3, kernel 3.11.0-12 UPDATE: I have tried to boot using old kernel (3.8.0-13) and now it's working fine with that kernel.

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  • How to install Edubuntu on a system with low memory (256 Mb)?

    - by int_ua
    I'm preparing an old system with 256 Mb RAM to send it to some children. It doesn't have Ethernet controller and there are no Internet access at the destination. I've chosen Edubuntu for obvious reasons and modified it with UCK trying to minimize memory usage just to install, let alone using it yet. But Ubiquity won't start even in openbox (edited /etc/lightdm/lightdm.conf) because there are no space left on /cow right after booting. I've already deleted things like ibus, zeitgeist, update-manager (no network access after all), twisted-core, plymouth logos. I'm thinking about creating a swap partition on HDD, can it be later added to expand this /cow ? Is there a package for the text-mode installation which is used on Alternate CDs? I don't want to re-create Edubuntu from an Alternate CD. This behavior is reproducible in VM limited to 256Mb RAM.

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  • Referencing external javascript vs. hosting my own copy

    - by Mr. Jefferson
    Say I have a web app that uses jQuery. Is it better practice to host the necessary javascript files on my own servers along with my website files, or to reference them on jQuery's CDN (example: http://code.jquery.com/jquery-1.7.1.min.js)? I can see pros for both sides: If it's on my servers, that's one less external dependency; if jQuery went down or changed their hosting structure or something like that, then my app breaks. But I feel like that won't happen often; there must be lots of small-time sites doing this, and the jQuery team will want to avoid breaking them. If it's on my servers, that's one less external reference that someone could call a security issue If it's referenced externally, then I don't have to worry about the bandwidth to serve the files (though I know it's not that much). If it's referenced externally and I'm deploying this web site to lots of servers that need to have their own copies of all the files, then it's one less file I have to remember to copy/update.

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  • How do I get started with HTML5 when I come from a Flash background?

    - by daniel.sedlacek
    How do I convert Flash web applications to HTML 5? What is the recommended workflow to learn HTML5? What tools should I install? What SDK? Where to start? How to test? How to debug? What do I read? I'm familiar with Eclipse, should I install Aptana? If yes, what's next? I would like to start lightweight but I would also like to learn the good practices from the beginning. UPDATE: I understand that what is often labelled as "HTML5 development" is in fact a mixture of HTML, CSS, JS and more, however I don't believe that bigger projects are developed in Notepad. That is why I am asking you to reveal your tips and tricks about your workflow.

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  • How to modify grub entry for supporting KGDB kernel image?

    - by Nishant
    I am trying to update target m/c grub.cfg file for KGDB setup but while booting the m/c it got hung completely and not asking/waiting for remote gdb connection. Following is the entry which I added:- menuentry 'Ubuntu, with Linux 2.6.32-24-kgdb' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set 12878c3b-c553-4b4b-986a-6e32daea3ad1 linux /vmlinuz-2.6.32-kgdb root=/dev/mapper/ubuntu-root ro kgdbwait [email protected]/,@192.168.140.158/ quiet initrd /initrd.img-2.6.32-24-server } I have also compiled and copied /boot/vmlinuz-2.6.15.5-kgdb & /boot/System.map-2.6.15.5-kgdb to target m/c from devlopement m/c. STD entry before adding KGDB in grub.cfg was:- menuentry 'Ubuntu, with Linux 2.6.32-24-server' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set 12878c3b-c553-4b4b-986a-6e32daea3ad1 linux /vmlinuz-2.6.32-24-server root=/dev/mapper/ubuntu-root ro quiet initrd /initrd.img-2.6.32-24-server } Please suggest how to get rid of this problem.

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  • with dash or not in domain [closed]

    - by menardmam
    Possible Duplicate: Is it better to put hyphens in a domain name ? I have to buy a domain it can be : somebigcompany.com or some-big-company.com I know, it's not a sample answer... but i like to know your point of view... the client what with no dash, i think for Google, and readability the dash is better... i have talk to a expert SEO that sait since panda update of the google algorithm it will be punish to have dash.. i don't believe it ! after your answer, i go to godaddy to buy it thanks in advance

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  • Can't login after forced shutdown

    - by user1205935
    I am on ubuntu 12.04 and forced a shutdown (hardware switch). Now I can't login anymore. In particular, after entering my password I get sent back to the login screen. The error message is to fast for me to read. I am, however, able to login into the Guest account through the usual login screen, and able to login into my own account on tty1 after pressing Ctrl+Alt+F1. What should I try to get back into my own account via the login screen and get back to a working desktop? Update: I can login with gdm, but not with the (default) lightdm. So the forced shutdown seems to have broken lightdm. The question now is, how do I fix a broken lightdm?

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  • Why would you hire in-house software developers instead of outsourcing them to develop a product for your company?

    - by Terence Ponce
    Why would you hire in-house over outsourcing in developing a product for your company? I can only think of a few but I'm not entirely sure if they're good enough reason. This is actually for a debate that I'm going to have in class. I'm more inclined on the outsourcing part but unfortunately, I was asked to switch to the in-house side of the debate. Any ideas? UPDATE Thanks for the answers guys. The debate went well because of them. I'm pretty sure our side won the debate because of the points presented here.

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  • How can I resize an external USB NTFS partition?

    - by chris
    I have a new USB drive which came with a single NTFS partition. How can I shrink that so that I can create an ext4 partition? gparted does not seem to have the "Resize" option highlighted. Update: After following the directions below, after unmounting I am still not able to resize the partition. There is a warning though: "Unable to find mount point. Unable to read the contents of this file system! Because of this, some operations may be unavailable. The following list of software packages is required for ntfs file system support: ntfsprogs". However, with the partition mounted, I can read & write to the file system on the drive just fine, and ntfsprogs is installed and current. What's next?

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  • Having tried differen ways but none worked - How do I disable a service from auto-start at boot in Ubuntu?

    - by Howard Guo
    This really doesn't make sense. I've been using many other distros and never had such difficulty managing autostart services. I found three ways of disabling autostart services, and none of them works for me: update-rc.d -f service_name remove chkconfig --level 12345 service_name off sysv-rc-conf I tried all the three ways to disable mysql daemon, mongo daemon, redis server, cups daemon, yet all of the utilities confirmed that the daemons are disabled, yet they still automatically start on boot. Please suggest the most correct way to disable services from auto-start at boot. Thank you! btw, it's running 12.04

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  • New Look for Geekswithblogs.net Homepage

    - by Jeff Julian
    I wanted to alert everyone to the new look of the Geekswithblogs.net Community Page.  I removed the tabs, cleaned up the posts and fonts, replaced the logo with our brighter logo, and mucked with the CSS and HTML to drive a smaller footprint.  With this update, the homepage is now HALF THE SIZE in KBs!  I still have some more AJAX calls I want to implement to make the footprint even smaller. Let me know what you think.  I feel it is easier to read through the posts now.

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  • Can not enter password for sudo [duplicate]

    - by Michael
    This question already has an answer here: add repository to ubuntu from terminal with pgp key 3 answers I have used Ubuntu for several years, and I can not enter password for sudo, and this is when i wanna add a key to public.gpg for itunes10 it dos not work, and the password normal works wite sudo but not in the terminal when i enter: sudo wget -q "http:// deb.playonlinux.com/public.gpg" -o- | sudo apt-get add - and it says this 'sorry try again', and i just had installed itunes10, and have to add a key whit wget to public.gpg, and i tried to enter in the terminal: sudo apt-get update and the password works fine but not whit using sudo wget, and can some one please help.

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  • Alternative printer driver for Fuji Xerox DocuPrint P205b?

    - by broiyan
    Is there a driver for a similar printer that also happens to work for the Fuji Xerox P205 b? I have tried the generic PCL 5 driver and the generic PostScript driver but they do not work. Any other suggestions? I'm on 10.10 (Maverick). Update The Fuji Xerox website has a Linux driver download as an .iso image. When you open the image you will see 3 drivers. One for HP UX for the PA-RISC and another for Solaris SPARC and one for RedHat x86, x86-64, etc. I picked the RedHat for my computer. It invokes RPM so install that first. The installation script crashes.

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  • Quickly and Python Twisted

    - by Aaron
    I am creating a Quickly application that makes use of Python Twisted. When the user launches a window, I want to start the Twisted server I wrote. However, when I do this, it freezes the GUI, because the reactor.run method is constantly running after it is started. I need a way to start the Twisted reactor in its own thread, so that the GUI will continue to operate while the reactor is running. I have read about using Twisted with pyGTK in the Twisted documentation, but I am not sure how I would accomplish this with a Quickly application. What is the best way to start my Twisted server when a window opens without freezing the GUI? Update: My if __name__ == '__main__' statement at the end of my dialog file is: print 'Preparing GLib' GLib.idle_add(before_running) print 'Staring Reactor' from twisted.internet import reactor reactor.run()` I have imported and installed twisted.gtk3reactor earlier on in the file. The before_running method contains dialog = ClientDialog() and dialog.show, as well as the rest of the code I want to run when the dialog opens.

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  • Do you count a Masters in CS as a negative? [closed]

    - by Pete Hodgson
    In my experience interviewing developers I feel like candidates who've achieved a Masters in Comp Sci tend to be worse programmers on average that those who don't have a Masters. Is that just me, or have others noticed this phenomenon? If so, why would that be the case? UPDATE I appreciate the thoughtful comments. I think I should have been clearer in the comparison I'm making. Given two candidates who graduated from college around the same time, someone who went on to gain a Masters seems on average to be a worse programmer than someone who spent all their time in industry.

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  • Problems using easing equations in C# XNA

    - by codinghands
    I'm having some trouble using the easing equations suggested by Robert Penner for ActionScript (http://www.robertpenner.com/easing/, and a Flash demo here) in my C# XNA game. Firstly, what is the definition of the following variables passed in as arguments to each equation? float t, float b, float c, float d I'm currently calculating the new X position of a sprite in the Update() loop, however even for the linear tween equation I'm getting some odd results. I'm using the following values: float t = gameTime.TotalGameTime.TotalMilliseconds; float d = 8000f; float b = x.Position.X; float c = (ScreenManager.Game.GraphicsDevice.Viewport.Width >> 1) - (x.Position.X + x.frameSize.X / 2); And this equation for linear easing: float val = c*t/d + b;

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  • Upgrade or replace a Wubi installation?

    - by Torben Gundtofte-Bruun
    I've got Windows 7 with Wubi 11.10 installed. I would like to upgrade to 12.04 but I'm not sure what the best path would be. I'm not skilled enough to use Ubuntu all the time, and my iPhone requires me to run some Windows version for the damn iTunes software. I would love to run Windows XP but I can't figure out how to install it via USB -- my computer has no cd drive. I'd like to run Windows XP and Wubi 12.04 on top of that. Or, perhaps, Ubuntu 12.04 natively and Windows XP alongside of that. So I guess I have 2 questions: (lazy) Should I upgrade my Wubi from inside Ubuntu, or should I remove Wubi 11.10 from within Windows and install a brand new Wubi 12.04? (proper) How can I install Windows XP and Ubuntu 12.04 alongside each other? Update: I am going to create a separate question post about the above #2 question... I realize it's wrong to ask two questions in one post when they are that different.

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  • How do I stop Banshee from putting a notification in the panel for every song?

    - by Dave M G
    As a playlist or internet radio station plays, a notification pops up in the top right corner every time the song changes. I can't find any way either within Banshee or settings in general to stop this. How do I stop Banshee from putting a notification in the panel for every song? Further, can I stop Banshee from outputting any notifications at all? Update: I tried going into Banshee ? Edit ? Preferences ? Extensions, and disabled the Sound Menu Integration, but this does not seem to stop notifications.

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  • Proper response for a REST insert - full new record, or just the record id value?

    - by Keith Palmer
    I'm building a REST API which allows inserts (POST, not idempotent) and updates (PUT, idempotent) requests to add/update database to our application. I'm wondering if there are any standards or best practices regarding what data we send back to the client in the response for a POST (insert) operation. We need to send back at least a record ID value (e.g. your new record is record #1234). Should we respond with the full object? (e.g. essentially the same response they'd get back from a "GET /object_type/1234" request) Should we respond with only the new ID value? (e.g. "{ id: 1234 }", which means that if they want to fetch the whole record they need to do an additional HTTP GET request to grab the full record) A redirect header pointing them to the URL for the full object? Something else entirely?

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