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• Firefox generating error?

  - by Lynda

  I run Firebug on my computer since I develop websites. And I have been noticing this error consistently with every page I go to and I am lost as to what it is and believe it might be Firefox causing this error. Has anyone seen it before? Here is the error: An exception occurred. Traceback (most recent call last): File "resource://jid1-g0j5yenav9jwla-at-jetpack-api-utils-lib/tabs/tab.js", line 254, in null .getInterface(Ci.nsIWebNavigation) Error: Permission denied for <http://superuser.com> to create wrapper for object of class UnnamedClass

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• Good book(s) for MMORPG design & implementation?

  - by mawg

  I am a long time professional C/C++ programmer (mostly embedded systems) and a hobbyist windows & php hacker. Can anyone recommend a book(s) specifically aimed at designing and (hopefully) implementing an MMORPG? I don't need general how to design or how to code books. Maybe a really good generic games book, but I am not interested in 1st person shooters, I want to know what it takes to implement an MMORPG. Good books, maybe also good URLs. Thanks just searching eBay and Amazon threw up a whole slew of books. Amazon's customer reviews give me an idea of how good they are, and the overview tells me what areas they cover

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• .VBS scripts have stopped running... No idea why!

  - by Django Reinhardt

  We have two .vbs scripts that are run by our Task Scheduler that have suddenly stopped working for no reason we can fathom. We haven't significantly altered our system configuration in the last 24 hours, and the scripts have run without a hitch for months. According to the Task Scheduler the scripts just keep running and never stop, which is never the case. I stopped all running versions through the Scheduler and manually attempted to run one of the .vbs scripts. I got the following error message: Line: 15 Error: The system cannot locate the resource specified. Code: 800C0005 Source: msxml3.dll Line 15 (or 16 to be more accurate - line 15 itself is blank, but so is line 1) is: xml.Send Would could have suddenly caused this? Looking in system32\ and sysWOW64\ shows that msxml3.dll exists. Anybody got any ideas? Thanks a lot!

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• Why is Chrome receiving data?

  - by Aero

  Chrome seems to be continually receiving data even though I'm not downloading anything. This is making a noticeable impact on my browsing speed. The first screenshot shows Chrome receiving data even though I'm not downloading anything (nor buffering a YouTube video etc.) Even after I completely close Google Chrome, the "chrome.exe" remains in the Resource Monitor list and the "Received bytes" column continually increases in the screenshot below. However, "chrome.exe" does not show up in the Processes tab of Task Manager. This only occurs sometimes, but I don't know why. I have tried running a malware/virus scans to ensure that there is nothing malicious behind this, but those scans have shown nothing. Any ideas on what's causing this?

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• How to filter entities by their parents in ManyToOne side in Google App Engine

  - by palto

  I use Google App Engine. When I try to do a JPA query like this: "SELECT p FROM Participant p WHERE p.party.id = :partyKey AND p.name=:participantName" I get the following error Caused by: org.datanucleus.store.appengine.FatalNucleusUserException: SELECT FROM Participant p WHERE p.party.id = :partyKey AND p.name=:participantName: Can only reference properties of a sub-object if the sub-object is embedded. I gave the key of the Party object as a parameter to the "partyKey" named parameter. The model is like this: Party has multiple Participants. I want to query a participant based on the party and the name of the participant. I just can't figure out how to filter using the party. What options do I have?

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• How can i localize asp.net mvc application using a external assembly

  - by allrast

  i want to create a external dll to store my .resx files. i want to do this because i need to access this files from both presentation and business layers. I have created a external project that contains the default and the es-Es resx files. i have mark it as PublicResXFileCodeGenerator to be able to access it from another dll. on my view i have this test <%=localization.Common.title.ToString() % when i'm run the application i always get this error "Could not find any resources appropriate for the specified culture or the neutral culture. Make sure "localization.Common.resources" was correctly embedded or linked into assembly "localization" at compile time, or that all the satellite assemblies required are loadable and fully signed." i have read some this related to ddl signing... but i don't now if this is the problem.

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• Identify an instance of Google Chrome by PID

  - by Laramie

  While working I generally need around 40 windows open at a time and run 100-200 processes. When memory constraints become an issue, I start picking off the processes that are the most resource intensive and disposable. Often these are chrome.exe. It would be helpful to be able to match a particularly memory-hungry instance of chrome to it's PID so I can selectively close it. That is, if I knew what the page title it is currently open to, I could choose whether it lives or dies. I've tried Process Explorer to no avail. Any ideas?

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• Javascript/Iframe in Static FBML

  - by Loveleen Kaur

  Is there any way the following script be embedded in Static FBML <script src="http://widgets.twimg.com/j/2/widget.js"></script> <script> new TWTR.Widget({ version: 2, type: 'profile', rpp: 4, interval: 6000, width: 250, height: 300, theme: { shell: { background: '#333333', color: '#ffffff' }, tweets: { background: '#000000', color: '#ffffff', links: '#4aed05' } }, features: { scrollbar: false, loop: false, live: false, hashtags: true, timestamp: true, avatars: false, behavior: 'all' } }).render().setUser('twitter').start(); </script> I have tried following code in the Static FBML but it doesnt seem to work <fb:iframe scrolling='no' frameborder='0' marginheight='0' src='http://www.demo.kaazunut.com/twitter-box.html' height='500' width='500'></fb:iframe>

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• Kerberos authentication between 2 applications

  - by Spivi

  We work on a server 2003 and server 2008 R2 enviroment. I'm familiar with the basic usage of the Kerberos protocol where the protocol authenticates a client when he tries to use a shared resource (server, folder, printer, etc.). We have three distinct and independent .NET applications that we develop inhouse (app A, app B & app C) but they need to communicate for a given reason (A recieves messages only from B and C and C recieves messages only from B). Is it possible to configure the Kerberos services to authenticate messages/request between two .NET apps ? (Instead of a user-server authentication, we will have an application-application authentication)

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• How to fix this error 'cvs [checkout aborted]: no such tag r20120711' on php eclipse helios?

  - by Manu-dra-kru

  I am using php eclipse helios for debugging php code and using CVS as repositiry. Under CVS repository there are 3 - head branch version and head conatins the repository of server. Under head again I have 3 bms cvsroot news4u To create a new branch I used to click on news4u and select a option 'add to branch list'. But accidently I selected 'Tag as version' with name r20120711 and after that I have created a branch by same name. Now if check out is taken, it gets check out partially and gets failed and if tried to commit the resource, it says, 'no tag is found by that name'. How to fix this.

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• How to fix this error 'cvs [checkout aborted]: no such tag r20120711' on php eclipse helios?

  - by Manu-dra-kru

  I am using php eclipse helios for debugging php code and using CVS as repositiry. Under CVS repository there are 3 - head branch version and head conatins the repository of server. Under head again I have 3 bms cvsroot news4u To create a new branch I used to click on news4u and select a option 'add to branch list'. But accidently I selected 'Tag as version' with name r20120711 and after that I have created a branch by same name. Now if check out is taken, it gets check out partially and gets failed and if tried to commit the resource, it says, 'no tag is found by that name'. How to fix this.

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• Are there any good resources on developing ASP.NET for Windows CE Internet Explorer?

  - by IronicMuffin

  I've been tasked with creating a web app to be consumed by a mobile device sporting Windows CE 5.0 (and some with Windows CE 4.2). I've found a host of things that seem to work fine in IE6 on my desktop, but fail when rendered in IE for Windows CE. IE6 is bad enough as it is...does it lose any more functionality on an embedded system? Are there quirks that a developer would need to know about? AJAX seems extremely unlikely. JavaScript seems quirky when linking to a .js file. Panels with scrollbars are finicky. Textboxes can't get focus. DefaultButtons on a form don't work. Any help or resources you can provide would be greatly appreciated.

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• Rails: include related object in JSON output

  - by Codezy

  I have a note class that belongs to a user (ie a user can create many notes). clip from my notes controller class NotesController < ApplicationController before_filter :authenticate_user! respond_to :html, :xml, :json # GET /notes # GET /notes.xml def index @notes = Note.includes(:user).order("created_at DESC") respond_with @notes end When I ask for the index in json results for example /notes.json, it returns the notes but only returns user_id for the user object. I would like it to also include user.username (and would be curious how to have the whole user object embedded). Bonus question: I could not find a way to make the column show as author_id and have it relate back to user. If this is easy to do, how do you do it?

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• vps running out of memory, 200MB free

  - by demon

  At the beginning of this year I took a VPS for my website because I was running against the resource limits from a shared hosting. Here are the things I know: 2GB memory, with 1GB swap Debian X64 server ED installed Software running on the webserver: mysql apache postfix pop3 imap amavisd clamd cron fail2ban munin-node pure-ftpd spamd nginx Now for the setup: Nginx listens on port 80 and handles the static files, the php side is done by apache2 running mod_php in combi with apc(no var caching!). Iam using a pretty 'busy' drupal and phpbb stack on the server, for drupal iam using boost and authcache to handle of the server load with a pressflow stack. phpbb is just phpbb3 with some mods installed, but has at max 30 users online at a time.. The problem is that its staring to use the swap after a few days after a reboot and thus the site becomes slower. I'v added pictures of monit and munin, so maybe somebody can help me out... Monit: Munin:

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• BES 5.0 and MAPI calls to exchange system

  - by nysingh

  We have been using BES 4.1(5) for a while now and it has been a resource hog on exchange due to high number of MAPI calls. I have heard that BES 5.0 is even worse. the comparison i heard is that BES 4.1 is makes MAPI calls equal to 5 outlook clients per BB user and BES 5.0 makes MAPI calls equal to 10 outlook clients per BB user. can someone confirm if it is true? is BES 5.0 is really that bad in MAPI calls and for exchange performance. ? thanks

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• X-Domain Cookies in iFrames

  - by John

  Hi Guys, I have a domain A.com which is my website. I want to allow the user to login and then I have embedded an iframe into domain B.com which attempts to grab the cookie from A.com to allow the user to be continued to be signed in. I can't seem to get this working in IE ? A new session gets set instead and the cookie is never retrieved. I have set a P3P policy ? Any ideas what I am doing wrong.

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• ideal memory configuration 4 bank, ddr3, AM3+ FX - 1 vs 2 vs 4 dimms?

  - by TardisGuy

  Ok, so ive been looking around, trying to learn and understand the way that ram works. Ive gotten one answer that said "The addressing is best for 2 sticks, and when you use 4; it slows down" Another answer said something like: Theres bank/channel interleave that makes the memory read like one stick Also I read something about the memory density also being a factor. I dug further and found out that theres a higher speed limit on my board for 2 sticks vs 4, so now im trying to put an image in my head of how and why, and... pfft. Can anyone explain, or recommend a resource that would answer these questions?

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• Subtract displaced mask using OpenCV

  - by dario_ramos

  I want to do: masked = image - mask But I want to "displace" mask. That is, move it vertically and horizontally (as long as the intersection between it and image is not empty, this would be valid). I have some hand-coded assembly (which uses MMX instructions) which does this, embedded in a C++ program, but it's unstable when doing vertical displacemente, so I thought of using OpenCV instead. Would it be possible to do this calling only one OpenCV function? Performance is critical; using OpenCV, time should be at least in the same order of magnitude as the assembly code.

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• Preventing cross-site scripting in ASP.NET MVC - using jQuery or standard HtmlHelpers

  - by user313353

  I am building an ASP.NET MVC application that is AJAX-driven. For some reason I need to add some DOM elements on the fly when clicking a submit button. This is accomplished with jQuery.append(). One element inserted is a textarea, whose the data must be parse before submitting to ensure that no cross-site scripting can be done. We know that the Html.Encode() works great but must be declared outside a script tag. All I have done with jQuery is embedded within a script tag. 1) Is there a way to take advantage of the Html.Encode() within a script tag? 2) How can I accomplish this with jQuery? At worst I can use HttpUtility.HtmlEncode(), which is called on the server-side. Thanks for your help. Roland

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• Will USMT 4.0 in MDT 2010 Move/Migrate the .NK2 File for Outlook?

  - by Mitch

  We're about to begin a refresh project for about 100 XP Pro laptops and have a concern with regards to the .NK2 file which holds cached email addresses(?). If possible we'd like to have USMT move/migrate this but I can't find anything that confirms that this happens automatically or has been done before. I see lots of manual processes but at this point I'm not sure that we can use that. Has anyone done this or seen this done? Perhaps you can point me to a resource that can give me an idea how its done? Any information would be appreciated. USMT seems to get a lot of the details but missing this part seems odd. Thanks in advance for any responses.

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• syntax to express mathematical formula concisely in your language of choice

  - by aaa

  hello. I am developing functional domain specific embedded language within C++ to translate formulas into working code as concisely and accurately as possible. Right now my language looks something like this: // implies two nested loops j=0:N, i=0,j (range(i) < j < N)[T(i,j) = (T(i,j) - T(j,i))/e(i+j)]; // implies summation over above expression sum(range(i) < j < N))[(T(i,j) - T(j,i))/e(i+j)]; I am looking for possible syntax improvements/extensions or just different ideas about expressing mathematical formulas as clearly and precisely as possible. Can you give me some syntax examples relating to my question which can be accomplished in your language of choice which consider useful. In particular, if you have some ideas about how to translate the above code segments, I would be happy to hear them Thank you

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• How to inline compressed CSS in Rails with assets pipeline

  - by haimg

  I'm trying to inline CSS into my layout. I'm currently using = Rails.application.assets.find_asset('embedded.css').body.html_safe However, the CSS returned is not compressed. I verified what .digest_path asset file exists, and is properly compressed. I can, of course, write a helper that will check if current on-disk compressed asset file exists for a given asset, and use it. However, I think find_asset actually compiles a CSS asset each time it is called -- not good in production. I hope a cleaner solution exists for this issue.

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• What is the fastest way to scrape HTML webpage in Android?

  - by kunjaan

  I need to extract information from an unstructured web page in Android. The information I want is embedded in a table that doesn't have an id. <table> <tr><td>Description</td><td></td><td>I want this field next to the description cell</td></tr> </table> Should I use Pattern Matching? Use BufferedReader to extract the information? Or are there faster way to get that information?

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• Service for converting SWFs with ActionScript to Video (MPEG, AVI, or MOV)

  - by pcooley

  The SWF files generated by our application are a basic template that reference external resources (images, and textual data) that actionscript uses to fuel the display. Thus the SWF is responsible for the creative layout of the screen the flash player. It is the results of this actions script, images, and textual data that need to be converted to a video format. Is anyone familiar with an online service that would be able to convert such .swf files that our site generates to a video format (say .avi, .mpeg, .mov). Or an application? Note: A more common case might be the conversion of an embedded FLV to a video, but this is not our need

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• How do you run your unit tests? Compiler flags? Static libraries?

  - by Christopher Gateley

  I'm just getting started with TDD and am curious as to what approaches others take to run their tests. For reference, I am using the google testing framework, but I believe the question is applicable to most other testing frameworks and to languages other than C/C++. My general approach so far has been to do either one of three things: Write the majority of the application in a static library, then create two executables. One executable is the application itself, while the other is the test runner with all of the tests. Both link to the static library. Embed the testing code directly into the application itself, and enable or disable the testing code using compiler flags. This is probably the best approach I've used so far, but clutters up the code a bit. Embed the testing code directly into the application itself, and, given certain command-line switches either run the application itself or run the tests embedded in the application. None of these solutions are particularly elegant... How do you do it?

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