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• Are nested classes under-rated?

  - by Aaron Anodide

  I'm not trying to say I know something everyone else doesn't but I've been solving more and more designs with the use of nested classes, so I'm curious to get a feeling for the acceptablilty of using this seemingly rarely used design mechanism. This leads me to the question: am I going down an inherintly bad path for reasons I'll discover when they come back to bite me, or are nested classes maybe something that are underrated? Here are two examples I just used them for: https://gist.github.com/3975581 - the first helped me keep tightly releated heirarchical things together, the second let me give access to protected members to workers...

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• "MOZILLA_FIVE_HOME not set" zekr quran study software java error

  - by Acess Denied

  I have installed zekr Quran study software on ubuntu 12.04 and I upgraded to 12.10. then the zekr app has been giving me this error when ever I start it. org.eclipse.swt.SWTError: No more handles [Unknown Mozilla path (MOZILLA_FIVE_HOME not set)] at org.eclipse.swt.SWT.error(SWT.java:4387) at org.eclipse.swt.browser.Mozilla.initMozilla(Mozilla.java:1939) at org.eclipse.swt.browser.Mozilla.create(Mozilla.java:699) at org.eclipse.swt.browser.Browser.<init>(Browser.java:99) at net.sf.zekr.ui.QuranForm.makeFrame(QuranForm.java:628) at net.sf.zekr.ui.QuranForm.init(QuranForm.java:340) at net.sf.zekr.ui.QuranForm.<init>(QuranForm.java:319) at net.sf.zekr.ZekrMain.startZekr(ZekrMain.java:51) at net.sf.zekr.ZekrMain.main(ZekrMain.java:94) Please Advice me

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• What is the current frequency of my processor (CPU-Z equivalent)?

  - by Anake

  Is there a ubuntu program like CPU-Z which will show me the actual frequency of my processor? I do a fair amount of scientific computing which leads to me running my programs for up to 10 hrs. To alleviate this problem a little I overclock my CPU. However I can't see what the actual clock of my processor from within ubuntu which means I either have to restart and look at the bios or load into windows. If there was an applet or command line command to find out this information it would be very helpful. Thanks for your help

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• Missing error handling in Streaming-AJAX-Proxy Log

  - by Michael Freidgeim

  We are using AjaxProxy(FROM http://www.codeproject.com/KB/ajax/ajaxproxy.aspx) on our web site, but started to notice errors accessing log.txt file. I found that the file is created by Log class and doesn't have ability to switch it off and error handling. I've added reading file name from configuration and try/catch block   public static class Log     {         private static StreamWriter logStream;         private static object lockObject = new object ();     public static void WriteLine(string msg)         {                       string logFileName = ConfigurationExtensions.GetAppSetting("AjaxStreamingProxy.LogFile" ,"");                       if (logFileName.IsNullOrEmpty())                             return;                       try                      {                             if (logStream == null )                            {                                    lock (lockObject)                                   {                                           if (logStream == null )                                          {                            logStream = File.AppendText(Path .Combine(AppDomain.CurrentDomain.BaseDirectory, logFileName));                                          }                                   }                            }                            logStream.WriteLine(msg);                      }                       catch (Exception exc)                      {                             string ignoredMsg = String .Format("The error occured while logging {0}, but processing will continue.\n {1} ", exc);                             LoggerHelper.LogEvent(ignoredMsg, MyCategorySource, TraceEventType .Warning, true);                      }         }

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• Why does IDLE continue to crash? [migrated]

  - by Dyana

  Idle keeps crashing and I can't figure it out. After restarting the computer and reinstalling Python, none of which seemed to work, I looked to my peers and was told to "install one of the Tcl/Tk". After getting another opinion I was also told that I already had this and found it to be true but decided to try it anyway since it continued to crash. Nothing has improved and I have an assignment due. Any ideas on why this continues to happen and what I can do to fix the crash? Problem details: Process: Python [1183] Path: /Applications/Python 3.3/IDLE.app/Contents/MacOS/Python Identifier: org.python.IDLE Version: 3.3.0 (3.3.0) Code Type: X86-64 (Native) Parent Process: launchd [793] Date/Time: 2012-11-05 14:10:54.124 -0500 OS Version: Mac OS X 10.7.5 (11G63) Report Version: 9 Interval Since Last Report: 181805 sec Crashes Since Last Report: 4 Per-App Interval Since Last Report: 20 sec Per-App Crashes Since Last Report: 4 Anonymous UUID: 68994A08-7FFB-4074-A553-CB60A60BB412 Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Application Specific Information: * Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Error (1007) creating CGSWindow on line 263'

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• Are HTTP requests cached? [closed]

  - by nischayn22

  Many HTTP requests are sent repeatedly by browsers on almost every page load, such as requesting the jQuery .js file etc. Since these are already used on too many sites doesn't modern browsers keep a cache for this? I am thinking of a system where the browser has a cached copy of the .js file used very very frequently. On a new request for the .js file, it sends the server a request for a hash of the .js file (provided the server can reply to that) and compares the returned hash with the cached copy's hash... rest is intuitive.

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• how can I change object look point?

  - by jques

  I have tried to load image but system does not give permission. Please look image http://www.rps.net/gunslinger/scrnshot/gunslinger33.jpg I have two arm with two gun, I want to rotate these arm with mouse. For example, if I move mouse position to the left, arms with guns should be move also. Since this is hoby project, I am a bit confort to ask below question ; What should I do to achieve my wish ? some explanation: perspective view gun in viewing direction left click = trigger left gun perspective Feel free to change the title Thanks

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• Dell Latitude D830 DVD Drive Not Recognized

  - by DragonFire

  Unlike some people who have issues with the video or WiFi drivers, I suffer from not being able to use the DVD drive on this laptop. Upon POST, the BIOS sees it and I am able to open the tray as well; however, once the system starts to load up Ubuntu or other distros (Debian and Linux Mint), I lose all functionality. Plus, I don't see it listed as a device in the OS. I've poured over the internet the past few days trying to see if anyone else has the issue, or did and found a solution but sadly, nothing anywhere so far. So, I thought I would ask the community here and see what you all think. Worse case scenario, I have some dead weight to a nice little machine. Thanks! PS I honestly think Linux doesn't like the IDE interface the disc drive has.

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• URL Frame redirection CakePHP

  - by themanbehindoftheprojectmayhem

  I need to redirect CakePHP installation host to my domain. Location of my Cakephp installation: myhosting.com/newsite/ Domain: www.mydomain.com I'm currently using URL Frame to direct www.mydomain.com to myhosting.com/newsite/. Problem When I load www.mydomain.com, I see all links in the site is pointing to the hosting location - example - myhosting.com/newsite/product/1 It should be pointing to www.mydomain.com/product/1 Any simple way to fix this? Probably very simple to solve it, but I can't bend it. Help much appreciated.

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• Windows 7 and 11.10 side by side from scratch what am I doing wrong?

  - by Bill.Caffery

  I have tried everything I can think of at this point and I'm at a total loss. I have a 2TB drive I want to install Windows 7 and 11.10 (both are 64 bit) side by side, but once I install Windows it must need gpt to work or something because no matter how many times I've removed it, it always returns. If I use gdisk and set the disk as mbr, Windows won't load. Now this last time I ran gdisk and tried to boot into Windows before I installed Ubuntu all the way and ended up at a grub rescue prompt. Any help please? Also let me say I have been searching and reading for days and have tried everything I can find to make this work so this isn't a one time event, it's continual.

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• Cocos2D Command-Line Application

  - by Hasyimi Bahrudin

  Is it possible to create a terminal application which uses cocos2d? I've tried to make one using cocos2d 2.x, but it requires a MacGLView to be initialized. I need it so that I could program a terminal application that generates a screenshot given a TMX file and an optional preferred width or height parameter (for resizing). Then I can automate the generation of map previews for my game, instead of manually taking screenshots. It's not practical to load the actual TMX and resize it inside the game (what I'm currently doing), because each TMX file has 7 layers, my tile sheet is huge, and I have lots of levels.

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• Failed to allocate memory - What is it trying to say?

  - by asprin

  In my early days of programming I often used to get memory related fatal errors in the following format: Fatal error: Allowed memory size of <some big number> bytes exhausted (tried to allocate <some small number> bytes) in /path/to/filename.php on line <some line number> I'm a little embarrassed to state that even though I have figured out how to solve them and take steps to avoid them altogether, I'm still not quite sure what exactly does the message translate to in simple words. For example, if I get a message such as: Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 4000 bytes) in ........ on line 34 As things stand at the moment, I assume it to be stating that the script consumes 67108864 bytes of data, but only 4000 bytes are available during runtime. Am I right in my assumption? If not, what's the correct interpretation?

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• What do you do when one think the code isn't complicated enough?

  - by Chris

  After six months of development on a project, our stakeholders have had a "gut check" and have decided that the path that we've been walking (a custom designed application framework and data access layer) is holding us (the developers) back from quickly developing the features they would like to see. After several days of debate management and the development team have decided to scrap the current incarnation and start over using ASP.net MVC, with Entity Framework as the bases of the a 'quick and dirty', lets just get it done project. In days following, our senior developer who has never worked with MVC or Entity Framework has finally gotten into a sample project and done some work. His take on ASP.net MVC, "this is not software engineering". So my question is this; what do you do, when one doesn't think the code is complicated enough?

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• Logitech Wireless Keyboard & mouse not working aftesr upgrade to 12.04?

  - by deerjay99

  I upgraded my Dell Dimension 9200C to 12.04 Precise Pangolin with no issues, I ran it fine for a night but when I went back in a couple days later my Logitech Wireless Keyboard K350 and M510 mouse weren't active when booted. I can boot into an older version from the main the boot screen the mouse and keyboard work, but the network stack is gone. It says the networking manager on this version is not compatible. I'm scratching my head, it isn't the mouse and keyboard, they work fine on my dual boot, and they load fine in Knoppix. They did work fine on 12.04 for 1 night. Open to suggestions before I re-install completely.

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• Several classes need to access the same data, where should the data be declared?

  - by Juicy

  I have a basic 2D tower defense game in C++. Each map is a separate class which inherits from GameState. The map delegates the logic and drawing code to each object in the game and sets data such as the map path. In pseudo-code the logic section might look something like this: update(): for each creep in creeps: creep.update() for each tower in towers: tower.update() for each missile in missiles: missile.update() The objects (creeps, towers and missiles) are stored in vector-of-pointers. The towers must have access to the vector-of-creeps and the vector-of-missiles to create new missiles and identify targets. The question is: where do I declare the vectors? Should they be members of the Map class, and passed as arguments to the tower.update() function? Or declared globally? Or are there other solutions I'm missing entirely?

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• What simple offline GUI database should I use for this application?

  - by gcc

  I am looking an open source application. Application should have : * database support ( create two or three table ) * GUI ( what I have created should be seen ) Example : Assume that I have created a table ; X_table : | A | B | C | D | After creating table, I am loading data | A | B | C | D | | 1 | 11 | b | f | - | 3 | 12 | a | o | - data | 4 | 13 | r | o | - When I am opening application not for loading data, I want see data in graphical interface. Are there any open source application which have above feature ? Application can be so simple, * no internet connection * support only one database * static table creation ( once created never changed ) Application can be run Ubuntu 12.04 and/or Windows. In other words, I am wanting database viewer and editor. EDIT: I should load pdf file, image etc. or give path of the file to the application. This link can be reference to my question . ( Interface should be like this, just a list )

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• RewriteRule for URLs with spaces

  - by Robert Cailliau

  My site's pages are in multiple languages whereby each language version shares its media (images) with the other language versions. I place all versions and the media in a single directory with the same name. E.g. pages mypage-en.html, mypage-fr.html etc. will sit in directory mypage. The directory path suffices to reference a page: h t t p : //....../mypage/ is good enough, there is no need for h t t p : //....../mypage/mypage-en/html A rewrite with RewriteRule ^(.*)/([a-zA-Z0-9]+)/?$ /$1/$2/$2-en.html lets me use the shorter form. But what if the name mypage contains spaces (which some do) ? I want h t t p : //....../my page/ to lead to h t t p : //....../my page/my page.html Using RewriteRule ^(.*)/([a-zA-Z0-9|\s]+)/?$ /$1/$2/$2-en.html did not work. Any hints welcome. (please do not ask me why I want to do this, nor tell me I should not use spaces in file names)

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• Funnel Visualisation not showing drop out in steps

  - by cjk

  I have a site where users will follow this path (hopefully): mysite.com/entity mysite.com/entity/pay mysite.com/entity/pay/details mysite.com/entity/pay/confirmation mysite.com/entity/pay/payment mysite.com/entity/paymentsuccessful?lotsofuniquestuff The entity section could be any one of a multitude of entries, but once the user is on a journey it will stay consistent. I have a goal set up for this as a regular expression, with the match being .*PaymentSuccessful.*. This detects goal successes perfectly (as checked with data stored by the site directly). I have set the following steps within the goal: /[a-zA-Z0-9]+/pay /[a-zA-Z0-9]+/pay/details /[a-zA-Z0-9]+/pay/confirmation /[a-zA-Z0-9]+/pay/payment My funnel detects entry into the funnel (e.g. 47 users) of which say 10 complete the funnel. However, all drop offs are after the first step, even though the exist page is listed as the second step! My data also suggests users are getting further in the funnel before failing to reach the goal. What have I done wrong?

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• fresh install, update and x-windows no longer working after login 12.10

  - by Tigz

  I Just recently installed desktop 12.10 on laptop, all was working fine logged in and it stated it wanted to update as it found updates. naturally I let it update and it asked me to reboot to use the new updates did that, now it boots fine i get login prompt. login as per normal then all i get is background with nothing else, if i turn off the wireless i get the disconnection notification pop up but i have nothing else on screen any wrror messages gets displayed as well but their is nothing. their was one program that failed that no longer prompts which gives options of reloading or just closing and continuing either way it just look like it hangs I can ctrl alt del to log out and it does that fine but still wont load no mater how many times i try saw a topic about a ati driver playing up which he typed the following in a ty which i can get to all of them as well. export DISPLAY=:0;gnome-shell --replace the answer i got back was the program gnome-shell is not installed you can install it by typing sudo apt-get install gnome-shell i also tried sudo pkill X which did nothing any help would be appreciated Thanks

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• XNA VertexBuffer.SetData performance suggestions

  - by CodeSpeaker

  I have a 3d world in a grid layout where each grid cell contains its separate vertex and index buffer for the mesh/terrain of that cell. When the player moves outside the boundaries of his cell, i dynamically load more cells in his walking direction based on his viewing distance. This triggers x number of vertex and indexbuffer initializations depending on how many cells that needs to be generated and causes the framerate to drop annoyingly during this time. The generation of terrain data is handled in a separate thread and runs smoothly. The vertex and index buffers are added during the update cycle of the game loop. I´ve tried batching the number of cells to be processed to avoid sending too much data at once into the buffers, which worked ok at a shorter viewing distance (about 9 cells to process), but not as well at greater distances with around 30 cells to process. Any idea how i can optimize this?

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• Keyboard is not detecting as3

  - by Kaoru

  i got this problem, when i press 1 in keyboard, the function does not run, even i already declared it. How do i solve this? Here is the code: public function Character() { Constant.loaderMario.load(new URLRequest("mario.swf")); addEventListener(KeyboardEvent.KEY_DOWN, selectingPlayer); } private function selectingPlayer(event:KeyboardEvent):void { isoTextMario = new Word(); isoTextChocobo = new Word(); if (event.keyCode == Keyboard.NUMBER_1|| event.keyCode == 49) { Constant.marioSelected = true; if (Constant.marioSelected == true) { isoTextMario.marioCharacter(); addChild(isoTextMario); } } else if (event.keyCode == Keyboard.NUMBER_2 || event.keyCode == 50) { Constant.chocoboSelected = true; if (Constant.chocoboSelected == true) { isoTextChocobo.chocoboCharacter(); addChild(isoTextChocobo); } } }

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• Any good stories or blog posts of a startup's server/stack evolving as they got bigger? [closed]

  - by user72245

  I know lots of startups often go for practical, simple, efficient. So maybe tossing a Ruby program on a basic Apache server. Get some users up and running, etc. Then Ruby starts to not be fast enough, so they throw more servers at the problem? And load balancing or something? And then when stuff gets REALLY crazy, language changes, etc? I'm looking for someone who has cleanly and simply told their own company's story like this. Are there any good ones?

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• How to tell Wine that I have changed CD when mounting them virtually on a netbook with no CD drive?

  - by glenatron

  I have been trying to catch up with some of the old games from way back that are about right for my little Aspire One netbook through Wine. I've run into a problem Baldurs Gate, however, which is that I can't change CD. Obviously, I don't have a CD drive, so I have copied the CD content onto an external hard drive and I'm using a mount command with the loopback option to persuade the game that the CD is present. This allowed installation to work correctly and works fine to run it and to play the content from the first CD. However, when the game asks for CD2, I'm stuck. If I mount the CD2 ISO to the CD Rom path it doesn't appear to respond, whether or not I have first unmounted CD1. When I ask Wine to show me the CD drive it contains the right data, but it seems as though whatever signal would be interpreted by Windows to mean the CD drive has been closed isn't being sent. Does anyone know of a way to do this, or am I barking up the wrong tree and there is something else I need to do?

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• xdebug 2.2.1 installed but not working with cgi

  - by ts01

  I've installed (via pecl) xdebug. It is installed (as phpinfo() output indicates), but it doesn't seems to work with CGI (with CLI it works). I've restarted apache, without result. Any ideas? Some config details (as parsed by http://xdebug.org/wizard.php) Xdebug installed: 2.2.1 Server API: Apache 2.0 Handler Windows: no Zend Server: no PHP Version: 5.3.10-1 Zend API nr: 220090626 PHP API nr: 20090626 Debug Build: no Thread Safe Build: no Configuration File Path: /etc/php5/apache2 Configuration File: /etc/php5/apache2/php.ini Extensions directory: /usr/lib/php5/20090626+lfs

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• How about a separate partition for home?

  - by August

  using 12.04 . I heard but never tried with /home as a separate partition . what my question is just assume that i have already /home and I'm trying to have a fresh install. so at the installation process what steps I've to take . because my doubts are here . 1 . are we have to select /home also in installation ? or will it do automatically . 2. what about all the configuration files in home . will they load automatically or we have to manually . 3 . if so how we ?

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