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• Installing PySide - OSX

  - by jeremynealbrown

  Anyone had success installing and using PySide on OSX? I am following the install instructions on the PySide site, though I'm running into issues building the API Extractor. I run cmake on the CMakeLists.txt file inside the api extractor dir and: This error is thrown- CMake Error at /Applications/CMake 2.8-0.app/Contents/share/cmake-2.8/Modules/FindBoost.cmake:894 (message): Unable to find the requested Boost libraries. Unable to find the Boost header files. Please set BOOST_ROOT to the root directory containing Boost or BOOST_INCLUDEDIR to the directory containing Boost's headers. Call Stack (most recent call first): CMakeLists.txt:5 (find_package) I am new to building source w/ cmake and I'm not event really sure what Boost is. Any light you might shed on the set up process would be great. Thanks

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• Reading Stacktrace in Objective-C?

  - by yar

  I don't like real-time debugging much, but if it's necessary I'll do it. Is there any way to figure out what line of code a StackTrace in Objective-C refers to? What about the variable it refers to? For instance: 2010-05-13 19:39:11.673 Thingers[21003:207] *** -[NSCFString count]: unrecognized selector sent to instance 0x3b0ebb0 2010-05-13 19:39:11.674 Thingers[21003:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSCFString count]: unrecognized selector sent to instance 0x3b0ebb0' 2010-05-13 19:39:11.675 Thingers[21003:207] Stack: ( 29303899 ... 11130 ) I see that we're talking about sending a count message to something that doesn't have it (maybe it's a NSCFString?), but is there any way to figure out what a/the named reference to that instance (0x3b0ebb0) refers to?

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• gcc does not generate debugger info when using -g, -ggdb, -g3, or -ggdb3

  - by CJJ

  I'm using GCC 4.4.1 and GDB 7.0-ubuntu on Ubuntu 9.10. However, GCC won't generate debugger info when using any of the following switches: -g, -g3, -ggdb, or -ggdb3. So when I run the program with GDB, its as if there was no debugger information generated. I have created very simple test source files in a new, empty folder. Here is one example: #include <stdlib.h> #include <stdio.h> int main (int argc, char **argv) { char msg[4]; // allocate 4 bytes on the stack strcpy (msg, "hello world"); // overflow printf ("%s\n", msg); return 0; }

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• How do I debug a .NET executable at MSIL-level?

  - by Eyal

  I have a .NET executable file that I need to debug. I would like to step into it so that it stops on the first instruction and have a visual interface for single-stepping, breakpoints, etc. This seems like it should be easier but I haven't yet found a solution! I read about DbgCLR.exe on the web but I can't find that file on my system or online for the life of me. I also read somewhere that DbgCLR.exe is no longer necessary because Visual Studio can do the same thing. A Visual Studio .NET solution would be great, too! (Maybe there's a menu item that I overlooked?) Either will suit, so long as I can inspect the stack, set breakpoints, etc.

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• Windows TCP connection - Still alive after process terminate

  - by Kartlee

  Hi People, I run a license server in linux and a process in Windows to check out tokens from it. It does a tcp socket connection to server to communicate and once the process in Windows is closed, the tokens are checked in back to server. But I see sometime the connection show as established in netstat output even when process in Windows is terminated. This happens when the process in Windows is running for a long time and terminate. It takes 2-3 hours for the connection to go away in neststat output. TCP BABDT350:4505 180.190.40.34:51847 ESTABLISHED 2832 [app.EXE] Can you guys tell me is this is a network stack configuration issue in Windows? Is it possible for the connection to go away once process terminate? Please let me know your answers to this.

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• pdf errors with php, apache2

  - by julio

  Hi-- I'm seeing some strange behavior from some dynamically generated PDFs using the TCPDF library in PHP. Standard lamp stack-- however, if you try to open the PDF from Windows with Acrobat Reader, it gives an error that the "file is damaged and could not be repaired". From Mac, Linux, etc. the file works fine, and opens fine. It also opens fine in Google Docs-- so clearly the PDF itself is ok. Is it possible that the mime type (application/pdf) is causing problems in Windows? Thanks

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• NSRangeException Issue

  - by Garry

  Hi, I am writing a Core Data-based iPhone app and I am new to Objective-C. I have a bug that I am really struggling to nail. The iPhone simulator keeps crashing with the following error message: 2010-03-21 17:37:40.583 Patients[3689:207] * Terminating app due to uncaught exception 'NSRangeException', reason: '* -[NSCFArray insertObject:atIndex:]: index (1) beyond bounds (1)' 2010-03-21 17:37:40.585 Patients[3689:207] Stack: ( 31007835, 2516698377, 31091771, 31091610, 601273, 197333, 3194546, 3141378, 25020, 29768673, 214570, 30740485, 204512, 29114749, 29505379, 29001194, 29252410, 29190487, 30794322, 30791263, 30788680, 39097877, 39098074, 2883503, 9912, 9766 ) This error happens when I press return on a textField. What happens when the return key is pressed is that an attribute on an entity is updated. I don't know what array is out of bounds as I am not using any arrays in my code! Is there any way of getting more detail as to where in my code the error is?? Thanks,

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• How can I access the bookmarks toolbar using only shortcuts in Firefox 3

  - by driekken

  I am not interested in accessing the bookmarks menu or sidebar. The specific goal that I'm trying to accomplish is to be able to easily navigate (using only the keyboard) through the live bookmarks loaded from stack overflow by means of a feed reader and located on my bookmarks toolbar. Notes: I have found an add-on that supposedly does exactly what I need: Bookmark Keys, but unfortunately it doesn't work in firefox 3), and is not being currently maintained. I'm using WinXP at work and Ubuntu 8.04 at home. Edit: changed bookmark keys "not compatible" with firefox 3 to "not working" in firefox 3

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• Follow up viewDidUnload vs. dealloc question...

  - by entaroadun

  Clarification question as a follow up to: http://stackoverflow.com/questions/2261972/what-exactly-must-i-do-in-viewdidunload http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc So let's say there's a low memory error, and the view is hidden, and viewDidUnload is called. We do the release and nil dance. Later the entire view stack is not needed, so dealloc is called. Since I already have the release and nil stuff in viewDidUnload, I don't have it in dealloc. Perfect. But if there's no low memory error, viewDidUnload is never called. dealloc is called and since I don't have the release and nil stuff, there's a memory leak. In other words, will dealloc ever be called without viewDidUnload being called first? And the practical follow up to that is, if I alloc and set something in viewDidLoad, and I release it and set to nil in viewDidUnload, do I leave it out of dealloc, or do I do a defensive nil check in dealloc and release/nil it if it's not nil?

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• How do I alter the URL?

  - by CitadelCSCadet

  I'm currently working on a big web application for a company and we are about 4 months in, but we have a harmless(but annoying) problem that we have just left because we didn't time to change it. The way we setup our MVC is leaving us with the Servlet being stacked one after the other endless amounts of times on the URL so if we had a Servlet named "ControllerServlet" and I did something on the website I would get a result such as this the first time. WebsiteXXXXXXX.com/XXX/ControllerServletXXXX And the next time I were to do something everything will work fine, but the URL will stack the ControllerServlet Path like this.. WebsiteXXXXXXX.com/XXX/ControllerServlet/ControllerServlet/XXXX WebsiteXXXXXXX.com/XXX/ControllerServlet/ControllerServlet/ControllerServlet/XXXX and so on.... Although it is working perfectly fine, something is obviously not right. I imagine this is an easy fix, but could really use somebodies help. Thanks alot

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• base for setQueueXmlPath

  - by antony.trupe

  I can't figure out how to point unit tests at the queue config file. Unit Test snippet // TaskQueue setup LocalTaskQueueTestConfig tqConfig = new LocalTaskQueueTestConfig(); tqConfig.setQueueXmlPath("/war/WEB_INF/queue.xml"); Stack Trace java.lang.IllegalStateException: The specified queue is unknown : zip-fetch at com.google.appengine.api.labs.taskqueue.QueueApiHelper.translateError(QueueApiHelper.java:56) at com.google.appengine.api.labs.taskqueue.QueueApiHelper.translateError(QueueApiHelper.java:111) at com.google.appengine.api.labs.taskqueue.QueueApiHelper.makeSyncCall(QueueApiHelper.java:32) at com.google.appengine.api.labs.taskqueue.QueueImpl.add(QueueImpl.java:310) at com.google.appengine.api.labs.taskqueue.QueueImpl.add(QueueImpl.java:282) at com.google.appengine.api.labs.taskqueue.QueueImpl.add(QueueImpl.java:267) at ...

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• EF Code First - Include(x => x.Properties.Entity) a 1 : Many association

  - by VulgarBinary

  Given a EF-Code First CTP5 entity layout like: public class Person { ... } which has a collection of: public class Address { ... } which has a single association of: public class Mailbox { ... } I want to do: PersonQuery.Include(x => x.Addresses).Include("Addresses.Mailbox") WITHOUT using a magic string. I want to do it using a lambda expression. I am aware what I typed above will compile and will bring back all Persons matching the search criteria with their addresses and each addresses' mailbox eager loaded, but it's in a string which irritates me. How do I do it without a string? Thanks Stack!

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• TFS Build Configuration Vs Test Manager

  - by Ben

  Hi, I have been tasked with setting up TFS 2010 for my company. After setting up TFS and configuring the basics (New collection, project, adding solution to souce control), i thought i would try out some unit testing with it. I configured the Build Controller and Agent for my solution and added in some basic unit tests. These ran ok and did exactly what i would expect (i broke the build then ran the Build Definition, and it showed me where the errors were). My question is, what advantages (apart from the "Black box call stack logger") does Test Manager have over the TFS builds? Is it worth the extra effort of setting that up and configuring it? Only knowing the basics of what Test Manager is, that may be a very naive question to ask, and i appoligise if it is. Thanks

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• NHibernate transaction management in ASP.NET MVC - how should it be done?

  - by adrin

  I am writing a simple ASP.NET MVC using session per request and transaction per request patterns (custom HttpModule). It seems to work properly, but.. the performance is terrible (a simple page loads ~7 seconds). For every http request, graphical resources incuding (all images on the site) a transaction is created and that seems to delay the loading times (without the transactions loading times per one image are ~1-10 ms with transactions they are over 1 second). What is the proper way to manage transactions in ASP.NET MVC + NH stack? When i've put all transactions into my repository methods, for some obscure reasons I got 'implicit transactions' warning in NHProf (the SQL statements were executed outside transaction, even that in code session.Save()/Update()/etc methods were invoked within transaction 'using' scope and before transaction.Commit() call) BTW are implicit transactions really bad?

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• twitter api is throwing exception "# is not a valid value for Int32" while getting freinds

  - by vakas

  i am using the api twitterizer.framework while getting the friends of a user the api starts throwing this error. "# is not a valid value for Int32. --- System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: startIndex at System.ParseNumbers.StringToInt(String s, Int32 radix, Int32 flags, Int32* currPos) at System.Convert.ToInt32(String value, Int32 fromBase) at System.ComponentModel.Int32Converter.FromString(String value, Int32 radix) at System.ComponentModel.BaseNumberConverter.ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, Object value) --- End of inner exception stack trace --- at System.ComponentModel.BaseNumberConverter.ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, Object value) at System.ComponentModel.TypeConverter.ConvertFromString(ITypeDescriptorContext context, CultureInfo culture, String text) at System.Drawing.ColorConverter.ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, Object value) at System.ComponentModel.TypeConverter.ConvertFromString(String text) at System.Drawing.ColorTranslator.FromHtml(String htmlColor) at Twitterizer.Framework.TwitterRequest.ParseUserNode(XmlNode element) in C:\Projects\twitterizer\Twiterizer.Framework\TwitterRequest.cs:line 514 at Twitterizer.Framework.TwitterRequest.ParseUsers(XmlElement element) in C:\Projects\twitterizer\Twiterizer.Framework\TwitterRequest.cs:line 483 at Twitterizer.Framework.TwitterRequest.ParseResponseData(TwitterRequestData data) in C:\Projects\twitterizer\Twiterizer.Framework\TwitterRequest.cs:line 305" how to handle this?

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• does anyone find ipad simulator has bug in message forwarding?

  - by Tiger

  I have problem with button click. I put a button in a view which is put in a view controller in a navigation controller stack. it is a little complex. but the problem is weird. when I click the top of the button, the action of the button can be triggered. but when I click the bottom, the action is not called at all. does anyone have the same problem here? it looks like a bug of ipad simulator. my application is an ipad app and now no device to test it.

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• CodeIgniter Project Giving 303/Compression Error

  - by Tim Lytle

  Trying to setup a CodeIgniter based project for local development (LAMP stack), and once all the config file were updated (meaning I successfully had meaningful bootstrap errors for CodeIgniter), I get this error in my browsers: Chrome Error 330 (net::ERR_CONTENT_DECODING_FAILED): Unknown error. Firefox Content Encoding Error: The page you are trying to view cannot be shown because it uses an invalid or unsupported form of compression. Just using wget to fetch the file works fine, no errors and I get the content I'm expecting. Not sure if this is something with CI and the Server, or just something weird with the project. Has anyone seen this before?

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• emacs23 pops up debugger way too frequently

  - by werner r.

  Since I've upgraded to Ubuntu lucid and emacs23, Emacs pops up the debugger in situations, where emacs22 does not. For example, when hitting C-c C-c in org-mode, emacs22 simply states can do nothing useful at this location, whereas in emacs23 the debugger shows up. Debugger entered--Lisp error: (error "C-c C-c can do nothing useful at this location") signal(error ("C-c C-c can do nothing useful at this location")) error("C-c C-c can do nothing useful at this location") org-ctrl-c-ctrl-c(nil) call-interactively(org-ctrl-c-ctrl-c nil nil) That only illustrates the pattern -- the behavior is not limited to org-mode. Occurring every 3 minutes, it really annoys me. How can I prevent it? I've already tried to stop this using debug-on-error and stack-trace-on-error: it didn't work.

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• Entry Level Programming Jobs with Applied Math Degree

  - by Mark

  I am about to finish my B.Sc. in Applied Math. I started out in CS a few years back had a bit of a change of heart and decided to go the math route. Now that I am looking for career options finishing up and I'm just wonder how my Applied Math degree will look when applying for programming jobs. I have taken CS courses in C++/Java/C and done 2 semester of Scientific Computing with MATLAB/Mathematica and the like, so I feel like i at least know how to program. Of course I am lacking some of the theoretical courses on the CS. I'd very much like to know how I stack up for a programming job as a math major. Thanks.

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• core data editor problems

  - by Peyman

  I was recommended by someone in Stack Overflow to use Core Data Editor http://christian-kienle.de/CoreDataEditor/ to manage the sqlite persistent store. However the latest version (3.0) crashes on launch everytime. Older versions load but I see nothing when i point the config to the persistent store and the object model directories. There is no documentation either. can someone point me to the right place to sort this problem? I am trying to find a more manageable way to coordinate core data development than sqlite consoles. thank you

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• IntelliSense has forgotten my code snippets!

  - by David

  Hi all I have a stack of code snippets imported into Visual Studio. Just recently, they have stopped displaying in Intellisense. If the keyboard shortcut doesn't bring up anything else on IntelliSense, then I can tab and the code snippet is inserted just fine. However, if the keyboard shortcut for the snippet happens to also bring up other items in IntelliSense, tabbing will select the first of those items, so I actually can't use the code snippet at all! Does anyone have any ideas why IntelliSense would be unable to list my code snippet shortcuts? I started using ReSharper recently, but that wouldn't be the problem surely?! Thanks for your help David

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• Opening AFOpenFlowView already in landscape mode

  - by justin

  I'm using the open source CoverFlow replacement from here: http://fajkowski.com/blog/2009/08/02/openflow-a-coverflow-api-replacement-for-the-iphone/ When I detect that a certain view has gone from portrait to landscape mode, I instantiate an AFCoverFlowView and push it onto the navigation stack. If I do so in response to (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation The cover flow view comes up as though the phone were still in portrait mode. If I push the view in response to (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation it works perfectly - the view comes up in landscape mode with the phone in landscape mode Unfortunately, the device doesn't reliable get willRotateToInterfaceOrientation messages. I have tried making sure that [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications]; is in loadView but that doesn't help with the notificiations. So, my questions are: Is there a way to reliably get willRotateToInterfactOrientation? if not How do I instruct AFCoverFlowView to come up in landscape mode (if the device is already in landscape mode)

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• UITableView's cellForRowAtIndexPath is not getting called after low memory warning

  - by Jinesh

  I am new to COCOA and Objective C. I am working on an application which have two controllers with one table view in each, clicking an item form this table will lead to another controller to be pushed to the stack. All was working fine till i started handling low memory warning in app delegate. What i am doing in app delegate's applicationDidReceiveMemoryWarning is, deleting all of my model and popping out all controllers to its root view using popToRootViewControllerAnimated. Now my problem starts, once low mem warning is received table's cellForRowAtIndexPath is not getting called. All other methods of UITableViewDataSource is properly called. What i get on screen is a blank white screen. I am testing my app in iPhone OS 3.0 and development is done in Xcode V 3.1.3. Hope you guys can help me to nail this. Thanks in advance, Jinesh.

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• Opening Another Xib form an Xib

  - by Goods

  Not a Noob as yesterday, but still green. I have been playing around with the code that Elisabeth Robson has put together HERE. I have a UITabbarcontoller and a IUNavigationController they seem to work fine. I have a UITableviewController to which I loads my NSMutable array. The user clicks a cell and didSelectRowAtIndexPath xib is loaded onto the stack. I put a 'Learn More' button on the current xib(BookDetailView). I've tried a few approaches to load a newer xib when the 'Learn More' button is pressed but have failed. Ive Tried IBAction and Pushing the Newer xib to the top. Do I need to create another view controller? Thanks for looking.

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• Problem with istringstream in C++

  - by helixed

  Hello, I'm sure I'm just doing something stupid here, but I can't quite figure out what it is. When I try to run this code: #include <iostream> #include <string> #include <sstream> using namespace std; int main(int argc, char *argv[]) { string s("hello"); istringstream input(s, istringstream::in); string s2; input >> s2; cout << s; } I get this error: malloc: *** error for object 0x100016200: pointer being freed was not allocated *** set a breakpoint in malloc_error_break to debug The only thing I can think of is that I allocated s2 on the stack, but I thought strings manage their own content on the heap. Any help here would be appreciated. Thanks, helixed

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