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• Is there a way to remove the source domain from the window title in an out-of-browser Silverlight 3

  - by Jacob

  We may not have the option to migrate over to Silverlight 4 right away, so I was wondering if anyone found a way to remove the source domain name from the window's title for out-of-browser Silverlight 3 applications. Our window title currently looks like this: "My App - localhost." Under Mac, I found the Info.plist file in the application bundle and found where you can set the Bundle name property as well as TrimmedSourceDomain. Unfortunately, when I clear the TrimmedSourceDomain property, the title looks like "My App -," and if I delete the property entirely, the application doesn't launch. I assume similar problems would occur under Windows. Have any of you found a workaround?

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• [SWT/RCP] Alpha blending is slow on linux

  - by elgcom

  we are developing an SWT/RCP(Eclipse 3.5) application on both Windows and Linux (on identical hardware). The application is a GIS app which shows several layered maps(PNG images) rendered with alpha blending. org.eclipse.draw2d.Graphics.setAlpha(...); org.eclipse.draw2d.Graphics.drawImage(...); On Windows the performance is pretty good, but on Linux it is very poor. is that a Linux(GTK/KDE) problem? or is there any workaround to improve the performance on Linux?

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• Python del() built-in can't be used in assignment?

  - by emcee

  I noticed a problem when I was trying to use del in a lambda to thin out a list of threads to just those running: map(lambda x: del(x) if not x.isAlive() else x, self.threads) Ignore for a second that this doesn't do anything, I'm just fooling around with map, reduce, and lambda. This fails with a syntax error at del(x). With some messing around, I think the problem is del() doesn't return a value. For example, this fails with the same error: b = 5 x = del(b) This doesn't, however: def rmThis(x): del(x) Which means I'm using this workaround: map(lambda x: rmThis(x) if not x.isAlive() else x, self.threads) So is the limitation just because del() doesn't return a value? Why not? I'm using python 2.6.2

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• Placement new in gcc

  - by Roman Prikhodchenko

  I need to find a workaround for a bug with placement new in g++. I now it was fixed in gcc-4.3 but I have to support versions 4.2 and 4.1. For example, following code compiles with an error "error: no matching function for call to 'operator new(long unsigned int, void*&)" template<class T, template<typename> class Alloc> inline void* type_ctor() { Alloc<T> a; void* p = a.allocate(1); new(p) T; return p; } ..... type_ctor<A, NewAllocator >();

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• WPF TreeView PreviewMouseDown on TreeViewItem

  - by imekon

  If I handle the PreviewMouseDown event on TreeViewItem, I get events for everything I click on that TreeViewItem include the little +/- box to the left (Windows XP). How can I distinguish that? I tried the following: // We've had a single click on a tree view item // Unfortunately this is the WHOLE tree item, including the +/- // symbol to the left. The tree doesn't do a selection, so we // have to filter this out... MouseDevice device = e.Device as MouseDevice; // This is bad. The whole point of WPF is for the code // not to know what the UI has - yet here we are testing for // it as a workaround. Sigh... // This is broken - if you click on the +/- on a item, it shouldn't // go on to be processed by OnTreeSingleClick... ho hum! if (device.DirectlyOver.GetType() != typeof(Path)) { OnTreeSingleClick(sender); } What I'm after is just single click on the tree view item excluding the extra bits it seems to include.

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• how to pass in dynamic data to decorators

  - by steve

  Hi, I am trying to write a base crud controller class that does the following: class BaseCrudController: model = "" field_validation = {} template_dir = "" @expose(self.template_dir) def new(self, *args, **kwargs) .... @validate(self.field_validation, error_handler=new) @expose() def post(self, *args, **kwargs): ... My intent is to have my controllers extend this base class, set the model, field_validation, and template locations, and am ready to go. Unfortunately, decorators (to my understanding), are interpreted when the function is defined. Hence it won't have access to instance's value. Is there a way to pass in dynamic data or values from the sub class? If not, I guess I could use override_template as a workaround to expose and set the template within the controller action. How would I go about validating the form within the controller action? Thanks, Steve

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• Segmentation fault when accessing a PHP page

  - by Justin Ethier

  Sometimes when one of our Apache web servers is restarted, we experience segmentation faults when any PHP page is subsequently accessed. The following line is printed in the httpd error_log: [Wed Jun 16 10:59:33 2010] [notice] child pid 31513 exit signal Segmentation fault (11) There will be one of these lines for each PHP page that is accessed. This appears to happen randomly - the "workaround" to-date is to restart httpd, which eventually fixes the problem (almost always after a single restart). Although we only see this happen rarely, it still happens frequently enough to be of concern. So my question is, why is this happening in the first place? Is this a known bug with the version of Apache / PHP / Linux / etc that we are using? Any ideas? The environment is: Fedora 11 Apache 2.2.15 (Default settings) PHP 5.2.13 I can provide more information if that would help narrow things down, since this error message is rather generic... Any help is appreciated.

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• How to do 'git status' on untracked directory?

  - by meowsqueak

  I have 6,000 untracked files in one subdirectory and I'm constructing .gitignore files to filter out the unwanted ones. I'm testing my gitignore filters as I go by running 'git status'. However, I have a larger number of untracked other files in a different subdirectory, so 'git status' shows all of those too, which makes it very hard to see what the .gitignore rules are doing. If the files were tracked, then I could just do 'git status .' and it would restrict the git-status output to only those files in the current directory, but because the current directory and all its contents are untracked, 'git status .' returns "error: pathspec . did not match any file(s) known to git." I'm using git-1.6.6.1 for this, although interestingly my testing shows that git-1.7.1 (on a different system) does actually let you do git-status on an untracked directory. Unfortunately I can't upgrade git on this system. Is there a known workaround for -1.6.6.1?

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• CryptographicException: Unknown Error '80007005'. when calling RSACryptoServiceProvider.Decrypt() in

  - by zensunnit

  Hello, I am trying to use the RSACryptoServiceProvider to encrypt/decrypt. Encrypting works fine, but the Decrypt method() throws an exception with the message: Unknown Error '80007005'. This is the code: Byte[] plainData = encoding.GetBytes(plainText); Byte[] encryptedData; RSAParameters rsap1; Byte[] decryptedData; using (RSACryptoServiceProvider rsa1 = new RSACryptoServiceProvider()) { encryptedData = rsa1.Encrypt(plainData, false); rsap1 = rsa1.ExportParameters(false); } using (RSACryptoServiceProvider rsa2 = new RSACryptoServiceProvider()) { rsa2.ImportParameters(rsap1); decryptedData = rsa2.Decrypt(encryptedData, false); } decryptedText = encoding.GetString(decryptedData, 0, decryptedData.Length); Is anyone aware of a workaround? Thanks!

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• Is it possible to use flashvars with JBoss?

  - by Aikanaro

  Hi, I'm part of a team developing a product using JSF 2.0 and I was asked to investigate the possibility of including FusionCharts free in the app. I have tried different ways of inserting a simple chart in a JSF page but with no luck. On of the methods involves using the elements OBJECT and EMBED but hhen I try to use them I get a "null source" error from JBoss. From what I could find online (through Google), I am under the impression that 'flashvars' isn't quite compatible with JBoss. Is anyone here able to confirm this? If this is the case, what workaround would you suggest me? Other ways I also found online didn't show the chart not even an error message. Thanks in advance.

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• UISlider disappearing when calling setValue with 0

  - by Kai

  I have several UISliders in my application which all work fine until I call the following code: ... frame = CGRectMake(43, 210, 201, 23); mySlider = [[UISlider alloc] initWithFrame:frame]; [mySlider addTarget:self action:@selector(sliderUpdate:) forControlEvents:UIControlEventValueChanged]; mySlider.minimumValue = 0.0; mySlider.maximumValue = 1.0; mySlider.continuous = YES; tempNum = [myArray objectAtIndex:2]; mySlider.value = [tempNum floatValue]; // only breaks if value is 0 [self.view addSubview:mySlider]; ... For some reason the slider doesn't show up unless mySlider.value is set to greater than 0. The only workaround I've found so far is to set it to an extremely small value (such as 0.000000001), which makes the slider appear as expected. Does anyone have any idea why this might be happening and how it can be fixed?

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• Visual Studio confused by server code inside javascript

  - by Felix

  I ran into an annoying problem: the following code gives a warning in Visual Studio. <script type="text/javascript"> var x = <%: ViewData["param"] %>; </script> The warning is "Expected expression". Visual Studion gets confused, and all the javascript code after that is giving tons of warnings. Granted, it's all warnings, and it works perfectly fine in runtime - but it is very easy to miss real warnings among dozen of false positives. It was working the same way in VS2008, and it wasn't fixed in VS2010. Does anybody know if there is a workaround, or a patch?

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• Checking whether an object exists in StructureMap container

  - by Kevin Pang

  I'm using StructureMap to handle the creation of NHibernate's ISessionFactory and ISession. I've scoped ISessionFactory as a singleton so that it's only created once for my web app and I've scoped ISession as a hybrid so that it will only be opened once per web request. I want to make sure that at the end of each web request, I properly dispose of ISession if it was created for that web request. I figured I could put some code in my Application_EndRequest routine to first check if an ISession was created, and if so, call ISession.Dispose. My current workaround is to just open up an ISession on Application_BeginRequest then dispose of it on Application_EndRequest, but that seems somewhat wasteful in that static file requests for images and css files and whatnot will create an ISession without ever using it. I know that the overall performance hit is negligable since ISessions are very lightweight, but it's getting annoying seeing all those ISessions being created inside NHProf.

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• How do I add a reference to a Web Application Project in an Associated Class Library?

  - by 5arx

  I'm working on an internet application that has been set up as a web SITE project (I know...) in Visual Studio. I need to add additional features/functionality so have added a class library to the project and referred to it in the main web site project. The issue now arises because I need to make use of core objects which live inside the App_Code directory in the web site project but this project doesn't appear to expose its DLL like web app/ code library projects do. Because of this I can't add a reference to the web site project in the class library to leverage the common site-wide code/objects. I can't move the stuff out of App_Code so I'm looking for a way to refer to the website project dll from the new class library. Can anyone suggest a workaround? All help v. gratefully received :-)

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• Memory section handling error

  - by Basilevs

  I'm getting a link time error: WARNING: /home/gulevich/development/camac-fedorov/camac/linux/k0607-lsi6/camac-k0607-lsi6.o (.ctors): unexpected non-allocatable section. Did you forget to use "ax"/"aw" in a .S file? Note that for example <linux/init.h> contains section definitions for use in .S files. The code causing the error (assembly in C source): # if defined(__ELF__) # define __SECTION_FLAGS ", \"aw\" , @progbits" /* writable flag needed for ld ".[cd]tors" sections bug workaround) */ # elif defined(__COFF__) # define __SECTION_FLAGS ", \"dr\"" /* untested, may be writable flag needed */ # endif asm ( ".section .ctors" __SECTION_FLAGS "\n" ".globl __ctors_begin__\n" "__ctors_begin__:\n" ".previous\n" ); Is there any way to fix this? The idea is to put a varaible __ctors_begin__ at the beginning of a certain memory section. This code is a legacy that worked fine using a different build system and older compiler. Meaning of this assembly code explained in an answer to my previous question.

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• WindowStartupLocation.CenterScreen is opening my window on the wrong display

  - by chaiguy

  According to the documentation, CenterScreen should open the window in the center of the screen that contains the mouse cursor, however this is not happening. I have a dual monitor setup, with my secondary monitor appearing to the left of my primary monitor (the one with the task bar). When the user clicks a link in my interface on the primary (right-most) monitor, and I open a new window with WindowStartupLocation set to CenterScreen, the window appears in the center of the screen of the left monitor. This is not where the mouse is and I am lost as to why it is picking that display. Has anyone experienced this before or have any ideas for a workaround? If I can't get the proper behavior using WindowStartupLocation, I will just manually move the window to the proper display (I still have to figure that out though).

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• DbMetal chokes on repeated foreign key references in SQLite - any ideas?

  - by DanM

  I've been struggling to get DbMetal to process my SQLite database. I finally isolated the problem. It won't allow a table to have two foreign key references to the same column. For example, a SQLite database with these two tables will fail: CREATE TABLE Person ( Id INTEGER PRIMARY KEY, Name TEXT NOT NULL ); CREATE TABLE Match ( Id INTEGER PRIMARY KEY, WinnerPersonId INTEGER NOT NULL REFERENCES Person(Id), LoserPersonId INTEGER NOT NULL REFERENCES Person(Id) ); I get this error: DbMetal: Sequence contains more than one matching element If I get rid of the second foreign key reference, no error occurs. So, this works: CREATE TABLE Match ( Id INTEGER PRIMARY KEY, WinnerPersonId INTEGER NOT NULL REFERENCES Person(Id), LoserPersonId INTEGER NOT NULL ); But I really need both "person" columns to reference the person table. I submitted a bug report for this, but I could use a workaround in the meantime. Any ideas?

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• Is Boost.Tuple compatible with C++0x variadic templates ?

  - by Thomas Petit

  Hi, I was playing around with variadic templates (gcc 4.5) and hit this problem : template <typename... Args> boost::tuple<Args...> my_make_tuple(Args... args) { return boost::tuple<Args...>(args...); } int main (void) { boost::tuple<int, char> t = my_make_tuple(8, 'c'); } GCC error message : sorry, unimplemented: cannot expand 'Arg ...' into a fixed-length argument list In function 'int my_make_tuple(Arg ...)' If I replace every occurrence of boost::tuple by std::tuple, it compiles fine. Is there a problem in boost tuple implementation ? Or is this a gcc bug ? I must stick with Boost.Tuple for now. Do you know any workaround ? Thanks.

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• WordPress: don't show 404 when no posts exist

  - by philfreo

  Currently there is a bug in WordPress if you have a Posts Page set under: Settings-Reading-A Static Page-Posts Page If there are posts, than the page (e.g. with a slug called news) displays the post, and uses index.php from the theme. But, with this configuration, if there are no posts, then it calls the theme's 404 page. This is definitely a bug, and has been submitted (Ticket #10822). It should be letting index.php show whatever it wants upon !have_posts(), but right now the page doesn't seem to be called at all. My question is: is there a workaround for this bug without modifying core wp files? I'd be open to a plugin, theme changes, a custom page template, htaccess changes, etc.

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• eclipse: how to debug a Java program as a .jar file?

  - by Jason S

  I use ant for creating .jar files in Eclipse. Works great. I have a .jar file I am working on that expects the code to be in a .jar file (it looks for .properties files in the same directory as the .jar file) -- the standard Eclipse "Run" and "Debug" menus execute the main() method of a specified Java class... but they do it from the directory containing the compiled class files, not a jar file. Is there a way to change this behavior so Eclipse runs code from the appropriate .jar file instead? (My workaround right now is to run the .jar file externally, with it suspended waiting for a debugger, per Dave Ray's answer to one of my other questions.)

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• Automatic Hudson CI setup and plugin updates through apt?

  - by aapeli

  Hi! We've used Hudson for quite a while to implement a CI server with all the bells and whistles. The setup is quite straight forward, when installing from the provided RPMs and Debs, but through googling I haven't been able to figure out whether the plugins are installable using apt/rpm or some other package manager? The reason is that I would like to create a (meta)package for Ubuntu which would install and also update both Hudson and all the plugins through the normal upgrade mechanism. At the same time I could create a template setup for other projects, say JavaEE project needs git, cobertura and Chuck Norris plugins, while my Python project needs plugins XXX and YYY. Anybody got such a setup? As a workaround I figured setting up a number of Maven POMs, which would do the init, and later upgrades, but I feel this would require more scripting on the side, which I'm not very eager to do. Any other suggestions for this would also be appreciated.

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• [CSS] Margin display disparity between IE7 and FF3

  - by Ricky

  Hi everyone: Refer to HTML, CSS below. Why the margin-bottom will not reflect in IE7, but in FF3? Is there any workaround for it? Notice that I set margin: 50 in CSS. <body style="background-color:#fff"> <div class="window"> d-window </div> CSS: body{margin:10px;padding:0;background-color:#1e1e1e;color:#ddd; border: 1px solid #000000} .window { width:280px; clear:both; margin: 50px; border: 1px solid #000000} Thanks

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• Referencing a control inside a XSL Template from code behind ?

  - by Mina Samy

  Hi all I have a custom NewItem.aspx that I made by creating a new aspx from the exisiting one I wanted to put a control in a row inside the XSL Template like this <asp:DropDownList ID="ddlSectors" AutoPostBack="true" runat="server" __designer:bind="{ddwrt:DataBind('i',ddlSectors,'SelectedValue','TextChanged','ID',ddwrt:EscapeDelims(string(@ID)),'@Sector')}"> </asp:DropDownList> <!--<SharePoint:FormField runat="server" id="ff7{$Pos}" ControlMode="New" FieldName="Sector" __designer:bind="{ddwrt:DataBind('i',concat('ff7',$Pos),'Value','ValueChanged','ID',ddwrt:EscapeDelims(string(@ID)),'@Sector')}"/>--> <SharePoint:FieldDescription runat="server" id="ff7description{$Pos}" FieldName="Sector" ControlMode="New"/> Now I want to reference ddlSectors from my code library but it always throws an object reference not set to an instatnce of an object. I believe that this is becuase the control is inside the XSL template. so is there any workaround for this ? thanks

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• How can one use the "Add view" dialog in Visual Studio efficiently when working with ASP.NET MVC?

  - by Marek

  Does anyone else think that the add view dialog in VS is useless or is it just me? Why is there no search/filtering in there? I can not even paste the type name (without namespace) there to speed up the view creation. Plus, there are a lot of irrelevant classes there, including classes from all referenced libraries. Am I missing something or Microsoft never did any usability testing with that?? Is it possible to filter out types/assemblies in the dialog and/or better navigation compared to manually scrolling the combobox with all the types listed? Is it possible to include only types from a particular directory/assembly/namespace? (the ViewModels namespace for example) EDIT: As it seems from the answers that there is no usable workaround for this, I have filed a suggestion at Connect: https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=507784 Please vote for the suggestion if you find this is an important issue.

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• Why can't QFile read from the "~" directory?

  - by hurikhan77

  I've tried the following short example to find out about a bug in a bigger program I am working on. It looks like QFile doesn't support unix (or the shell's) notation for the home directory: #include <QFile> #include <QDebug> int main() { QFile f("~/.vimrc"); if (f.open(QIODevice::ReadOnly)) { qDebug() << f.readAll(); f.close(); } else { qDebug() << f.error(); } } As soon as I replace the "~" with my real home directory path, it works. Is there an easy workaround - some setting to enable? Or do I have to go the "ugly" way and ask QDir for the home directory of the current user and prepend that manually to each path?

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