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• Trying to build the basic python extension example fails (windows)

  - by Alexandros

  Hello, I have Python 2.6 and Visual Studio 2008 running on a Win7 x64 machine. When I try to build the basic python extension example in c "example_nt" as found in the python 2.6 sources distribution, it fails: python setup.py build And this results in: running build running build_ext building 'aspell' extension Traceback (most recent call last): File "setup.py", line 7, in <module> ext_modules = [module1]) File "C:\Python26\lib\distutils\core.py", line 152, in setup dist.run_commands() File "C:\Python26\lib\distutils\dist.py", line 975, in run_commands self.run_command(cmd) File "C:\Python26\lib\distutils\dist.py", line 995, in run_command cmd_obj.run() File "C:\Python26\lib\distutils\command\build.py", line 134, in run self.run_command(cmd_name) File "C:\Python26\lib\distutils\cmd.py", line 333, in run_command self.distribution.run_command(command) File "C:\Python26\lib\distutils\dist.py", line 995, in run_command cmd_obj.run() File "C:\Python26\lib\distutils\command\build_ext.py", line 343, in run self.build_extensions() File "C:\Python26\lib\distutils\command\build_ext.py", line 469, in build_extensions self.build_extension(ext) File "C:\Python26\lib\distutils\command\build_ext.py", line 534, in build_extension depends=ext.depends) File "C:\Python26\lib\distutils\msvc9compiler.py", line 448, in compile self.initialize() File "C:\Python26\lib\distutils\msvc9compiler.py", line 358, in initialize vc_env = query_vcvarsall(VERSION, plat_spec) File "C:\Python26\lib\distutils\msvc9compiler.py", line 274, in query_vcvarsall raise ValueError(str(list(result.keys()))) ValueError: [u'path'] What can I do to fix this? Any help will be appreciated

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• How much business logic belongs in RIA services layer?

  - by jkohlhepp

  I have been experimenting recently with Silverlight, RIA Services, and Entity Framework using .NET 4.0. I'm trying to figure out if that stack makes sense for use in any of my upcoming projects. It certainly seems like these technologies can be very productive for developing applications, but I'm struggling to decide how an application on top of this stack should be architected. The main issue I have is that in most of the demos I've seen most of the business logic ends up as DataAnnotations and custom validations in the RIA Services domain service class. This seems inappropriate to me. I view the domain service as basically a glorified web service that happens to make it easy to push information to the client. But most of what I've seen seems to orient the domain service as the main source of business logic in the application. So, my questions: What is the best location for business logic (rules, validations, behaviors, authorization) in an application using this stack? Are there any guidelines published at an architectural level for using this stack? My questions pertain to large, complex, and long-lived applications. Obviously for an application of only a few screens this is less of a concern. Edit: Another thing I meant to mention is that obviously you can make the domain service class stupid, but then you lose a lot of the automagic entity information (e.g. validations) being pushed to the client. And then if you lose that is there any point to using RIA services?

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• Floating point precision in Visual C++

  - by Luigi Giaccari

  HI, I am trying to use the robust predicates for computational geometry from Jonathan Richard Shewchuk. I am not a programmer, so I am not even sure of what I am saying, I may be doing some basic mistake. The point is the predicates should allow for precise aritmthetic with adaptive floating point precision. On my computer: Asus pro31/S (Core Due Centrino Processor) they do not work. The problem may stay in the fact the my computer may use some improvements in the floating point precision taht conflicts with the one used by Shewchuk. The author says: /* On some machines, the exact arithmetic routines might be defeated by the / / use of internal extended precision floating-point registers. Sometimes / / this problem can be fixed by defining certain values to be volatile, / / thus forcing them to be stored to memory and rounded off. This isn't / / a great solution, though, as it slows the arithmetic down. */ Now what I would like to know is that there is a way, maybe some compiler option, to turn off the internal extended precision floating-point registers. I really appriaciate your help

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• Grails 1.2.0 not finding plugins in the default repository.

  - by Padraic

  I do not know what changed in my environment, but all of a sudden I can not pull any plugins from the default repository. I went through the _*.groovy scripts and nothing has changed in my grails home directory and it appears that the default repository url is set correctly (DEFAULT_PLUGIN_DIST = "http://plugins.grails.org"). I am assuming it is an environment setting that changed on me, because if I switch to an old version of grails that I have installed, 1.1.1 for example, list-plugins is returning a full list of plugins. When I run grails list-plugins in my current 1.2.0 environment I get the following output: Welcome to Grails 1.2.0 - http://grails.org/ Licensed under Apache Standard License 2.0 Grails home is set to: /opt/grails-1.2.0 Base Directory: /Users/padraic/Projects/TestApplicationMachine Resolving dependencies... Dependencies resolved in 1633ms. Running script /opt/grails-1.2.0/scripts/ListPlugins_.groovy Environment set to development Reading remote plugin list ... Plug-ins available in the core repository are listed below: hibernate <1.3.0.RC2 -- Hibernate for Grails tomcat <1.3.0.RC2 -- Apache Tomcat plugin for Grails webflow <1.3.0.RC2 -- Spring Web Flow Plugin Reading remote plugin list ... Plug-ins available in the default repository are listed below: spock <0.4-groovy-1.7-SNAPSHOT -- Spock Integration - spockframework.org Plug-ins you currently have installed are listed below: cloud-foundry 0.2 -- Cloud Foundry Plugin for Grails hibernate 1.2.0 -- Hibernate for Grails tomcat 1.2.0 -- Apache Tomcat plugin for Grails I find it very strange that it only finds the spock plugin. It makes me thing that either a)it is going to the wrong repository or b)my version setting is incorrect. Any ideas? Thanks, Padraic

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• Add new types to Go

  - by nevalu

  I'm trying add new types for that been managed/used as in Go core types. To create new types is anything very interesting to validate data before of send it to a non-SQL DBMS or to check data from a form. Go uses univeral constants to define them at global level: var DateType = universe.DefineType("date", universePos, &dateType{}) In this case they're defined to be called from a package like types: var Date = &dateType{} I get these errors: test.go:58: o.lit undefined (cannot refer to unexported field lit) test.go:62: *dateType is not Type missing Pos() token.Position The code is based on: http://github.com/tav/go/blob/master/src/pkg/exp/eval/value.go http://github.com/tav/go/blob/master/src/pkg/exp/eval/type.go package main import ( "exp/eval" "fmt" // "go/token" ) // http://github.com/tav/go/blob/master/src/pkg/exp/eval/value.go type DateValue interface { eval.Value Get(*eval.Thread) string Set(*eval.Thread, string) } /* Date */ type dateV string func (v *dateV) String() string { return fmt.Sprint(*v) } func (v *dateV) Assign(t *eval.Thread, o eval.Value) { *v = dateV(o.(DateValue).Get(t)) } func (v *dateV) Get(*eval.Thread) string { return string(*v) } func (v *dateV) Set(t *eval.Thread, x string) { *v = dateV(x) } // http://github.com/tav/go/blob/master/src/pkg/exp/eval/type.go type Type interface { eval.Type // isDate returns true if this is a date type. isDate() bool } /* Common type */ type commonType struct{} // added func (commonType) isDate() bool { return false } /* Date */ type dateType struct { commonType } // * It should not be an universal constant //var universePos = token.Position{"<universe>", 0, 0, 0} // added //var DateType = universe.DefineType("date", universePos, &dateType{}) var Date = &dateType{} func (t *dateType) compat(o Type, conv bool) bool { t2, ok := o.lit().(*dateType) return ok && t == t2 } func (t *dateType) lit() Type { return t } func (t *dateType) isDate() bool { return true } func (t *dateType) String() string { return "<date>" } func (t *dateType) Zero() eval.Value { res := dateV("") return &res } /* Named types */ /* type NamedType struct { eval.NamedType Def Type }*/ type NamedType struct { // added // token.Position Name string // Underlying type. If incomplete is true, this will be nil. // If incomplete is false and this is still nil, then this is // a placeholder type representing an error. Def Type // True while this type is being defined. incomplete bool methods map[string]eval.Method } func (t *NamedType) isDate() bool { return t.Def.isDate() } /* *********************** */ func main() { print("foo") }

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• Programmatically open an email from a POP3 and extract an attachment

  - by Josh

  We have a vendor that sends CSV files as email attachments. These CSV files contain statuses that are imported into our application. I'm trying to automate the process end-to-end, but it currently depends on someone opening an email, saving the attachment to a server share, so the application can use the file. Since I cannot convince the vendor to change their process, such as offering an FTP location or a Web Service, I'm stuck with trying to automate the existing process. Does anyone know of a way to programmatically open an email from a POP3 account and extract an attachment? The preferred solution would reside on a Windows 2003 server, be written VB.NET and secure. The application can reside on the same server as the POP3 server, for example, we could setup the free POP3 server that comes with Windows Server and pull against the mail file stored on the file system. BTW, we are willing to pay for an off-the-shelf solution, if one exists. Note: I did look at this question but the answer points to a CodeProject solution that doesn't deal with attachments.

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• Initialize webservice WSDL at runtime using Flex and Mate framework

  - by GroovyB

  I am developing a Flex application on top of Mate framework. In this application, I am using a webservice to retrieve data. As this webservice as not a fix location URL (depending on where customers installed it), I define this URL in a config file. When the Flex application starts, it first reads this config file, then I would like to use the value I found to initialize the webservice. But currently, I have no idea how to this. Here is my EventMap.mxml <EventMap> <services:Services id="services" /> <EventHandlers type="{FlexEvent.PREINITIALIZE}"> <HTTPServiceInvoker instance="{services.configService}"> <resultHandlers> <MethodInvoker generator="{ConfigManager}" method="loadFromXml" arguments="{resultObject}" /> </resultHandlers> <faultHandlers> <InlineInvoker method="Alert.show" arguments="ERROR: Unable to load config.xml !" /> </faultHandlers> </HTTPServiceInvoker> In this part, the ConfigManager parse the config file and intitialize a bindable property called webServiceWsdl Here is my Services.mxml <mx:Object> <mx:Script> <![CDATA[ [Bindable] public var webservice:String; ]]> </mx:Script> <mx:HTTPService id="configService" url="config.xml" useProxy="false" /> <mx:WebService id="dataService" wsdl="{webservice}" useProxy="false"/> </mx:Object> How can I initialize this webservice property ?

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• Threading is slow and unpredictable?

  - by Jake

  I've created the basis of a ray tracer, here's my testing function for drawing the scene: public void Trace(int start, int jump, Sphere testSphere) { for (int x = start; x < scene.SceneWidth; x += jump) { for (int y = 0; y < scene.SceneHeight; y++) { Ray fired = Ray.FireThroughPixel(scene, x, y); if (testSphere.Intersects(fired)) sceneRenderer.SetPixel(x, y, Color.Red); else sceneRenderer.SetPixel(x, y, Color.Black); } } } SetPixel simply sets a value in a single dimensional array of colours. If I call the function normally by just directly calling it it runs at a constant 55fps. If I do: Thread t1 = new Thread(() => Trace(0, 1, testSphere)); t1.Start(); t1.Join(); It runs at a constant 50fps which is fine and understandable, but when I do: Thread t1 = new Thread(() => Trace(0, 2, testSphere)); Thread t2 = new Thread(() => Trace(1, 2, testSphere)); t1.Start(); t2.Start(); t1.Join(); t2.Join(); It runs all over the place, rapidly moving between 30-40 fps and sometimes going out of that range up to 50 or down to 20, it's not constant at all. Why is it running slower than it would if I ran the whole thing on a single thread? I'm running on a quad core i5 2500k.

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• JQuery jqGrid vertical spacing issue in IE

  - by JW

  I have been developing an app to use jQuery's jqGrid plugin, and I thought I had it all wrapped up until I tried to view the grid in IE. In IE, the grid appears with a much larger height in the .ui-jqgrid-view div, but the data itself stays at a smaller size and displays at the bottom of the container div (.ui-jqgrid-view). I need to get the grid to display "properly". I don't care if it is the larger size (that IE displays) or smaller (as in FF)... I just need to have the data fill the grid area. Thanks! I uploaded a screenshot: here Grid Code: $("#list").jqGrid({ url: gDataPath, datatype: 'json', mtype: 'GET', colNames: ['Id', 'VId', 'First Name', 'Last Name', 'MId'], colModel: [ { name: 'ID1', index: 'ID1', width: 75, align: 'left' }, { name: 'VID', index: 'VID', width: 75, align: 'left' }, { name: 'FirstName', index: 'FirstName', width: 225, align: 'left' }, { name: 'LastName', index: 'LastName', width: 225, align: 'left' }, { name: 'MIDno', index: 'MIDno', width: 260, align: 'left'}], pager: jQuery('#pager'), rowNum: 100, rowList: [50, 100, 200, 500], sortname: 'ID1', sortorder: "desc", viewrecords: true, imgpath: 'http://mysite/Content/images', caption: 'Project Name Data', ondblClickRow: function(rowid, iRow, iCol) { var i = jQuery("#list").getRowData(rowid); window.location = '<%=linkPath %>/'+ i.VisitID; } });

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• Multiple autocompletes on same form in socialengine

  - by Mirza Awais

  I am quite new to socialegine module development. I want to use multiple autocomplets on my one form. I have no problem of showing multiple auto completes but problem comes when one selects options from auto complete. I have seen that autocompet.js uses id toValues to show selected option from autocomlte. So if there is only one autocomplete on one form then we can have one element as toValues to show the selected value. But if we have multiple auto completes then how to show the selected item of each auto complete as separately? Using the following code for autocomplete en4.core.runonce.add(function() { new Autocompleter.Request.JSON('to', '<?php echo $this->url(array('module' => 'localspots', 'controller' => 'lookup', 'action' => 'city'), 'default', true) ?>', { 'minLength': 2, 'delay' : 1, 'selectMode': 'pick', 'autocompleteType': 'message', 'multiple': false, 'className': 'message-autosuggest', 'filterSubset' : true, 'tokenFormat' : 'object', 'tokenValueKey' : 'label', 'injectChoice': function(token){ console.log(token.type); var choice = new Element('li', {'class': 'autocompleter-choices', 'html': token.photo, 'id':token.label}); new Element('div', {'html': this.markQueryValue(token.label),'class': 'autocompleter-choice'}).inject(choice); this.addChoiceEvents(choice).inject(this.choices); choice.store('autocompleteChoice', token); }, onPush : function(){ if( $('toValues').value.split(',').length >= maxRecipients ){ $('to').disabled = true; $('to').setAttribute("class", "disabled"); } }, }); });

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• Jquery menu with less code

  - by Sergio

  I'm using Jquery for menu created like: <div class="prof_info1">home</div><div class="prof_info2">info2</div><div class="prof_info3">info3</div> And Jquery code like: $(document).ready(function(){ $(".prof_info1").unbind("click").click(function(event) { $("#main").html('<img src="img/spin.gif" class="spin">'); location.replace("?&id=<?=$id?>") return false; }); $(".prof_info2").unbind("click").click(function(event) { $("#main").html('<img src="img/spin.gif" class="spin">'); $("#main").load('?a=2&id=<?=$id?>'); return false; }); $(".prof_info3").unbind("click").click(function(event) { $("#glavni").html('<img src="img/spin.gif" class="spin">'); $("#glavni").load('?a=3&id=<?=$id?>'); return false; }); }); Is there any easier way to do write this Jquery code and make it with less code? Something like if click somethind{ ... }elseif{ ....}

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• How to submit the form using JQuery UI?

  - by Vafello

  I have a form in html with a default submit button. After the form is submitted, a php file is run (with action = homelocation). I decided to use JQuery UI dialog to display the form. I have 2 default buttons there - one to save and one to close the dialog. Can anyone tell me how to assign the form submit button action to the JQuery dialog button(i.e. replace the submit button from the form with the one in the dialog)? Here's my code: <div id="userdialog" title="Add"> <form id="add" action="engine.php" method="POST"> <input type="hidden" name="action" value="homelocation" id="action"> <button type="submit">Save this location</button> </form></div> Dialog: $('#userdialog').dialog({ width: 260, position: [250,100], buttons: { "Save": function() { HERE GOES THE REQUIRED FUNCTION $(this).dialog('close'); }, "Don't Save": function() { $(this).dialog("close"); } } });

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• HTTP Error 500.19 Internal Server Error

  - by Attilah

  I created and deployed a pretty simple WCF Service. but when accessing it from IE, I get this : HTTP Error 500.19 - Internal Server Error Description: The requested page cannot be accessed because the related configuration data for the page is invalid. Error Code: 0x80070005 Notification: BeginRequest Module: IIS Web Core Requested URL: http://localhost:80/ProductsService/ProductsService.svc Physical Path: C:\Users\Administrator\Documents\Visual Studio 2008\Projects\ProductsService\ProductsService\ProductsService.svc Logon User: Not yet determined Logon Method: Not yet determined Handler: Not yet determined Config Error: Cannot read configuration file Config File: \\?\C:\Users\Administrator\Documents\Visual Studio 2008\Projects \ProductsService\ProductsService\web.config Config Source: -1: 0: More Information... This error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error. here is the content of my web.config file : <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="dataConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Data.Configuration.DatabaseSettings, Microsoft.Practices.EnterpriseLibrary.Data, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" /> </configSections> <dataConfiguration defaultDatabase="AdventureWorksConnection" /> <connectionStrings> <add name="AdventureWorksConnection" connectionString="Database=AdventureWorks; Server=(localhost)\SQLEXPRESS;Integrated Security=SSPI" providerName="System.Data.SqlClient" /> </connectionStrings> <system.serviceModel> <services> <service name="Products.ProductsService"> <endpoint address="" binding="basicHttpBinding" contract="Products.IProductsService" /> </service> </services> </system.serviceModel> </configuration>

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• webcam refreshing image in iframe not working IE

  - by Nix

  I'm trying to show images from this webcam http://regacam.usz.ch/cgi-bin/guestimage.html on an html page by putting an iframe in pointing to another page that has an image tag in it. But it isn't working in IE (I just see a little cross where the image should be), Firefox is ok. Here the page with the image in: <html> <head> <meta http-euqiv="refresh" content="5"> </head> <body> <img src="http://regacam.usz.ch/cgi-bin/faststream.jpg?stream=full&fps=0.01667&rand=295543" width="200" height="150"/> </body> <html> and the iframe: <div id="rightcontainer"> <iframe id="rightframe" src="zurich.html" name="content" frameborder="0"></iframe> </div> I tried a different webcam elsewhere and that works ok in both browsers. Is there something odd about the one in my example? I got the link in src by right-clicking and copying the image location - is that the right way to go about it?

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• PHP-SDK too many redirects

  - by Roel Veldhuizen

  I'm using the PHP-SDK for Facebook and got the example to work on my localhost. However, when building a script on a server the script stays quite busy with redirecting from my script to facebook and back. (Error: Fout 310 (net::ERR_TOO_MANY_REDIRECTS):) It seems that many more people have got this issue (here, here, here, here). Though, I can't find a clear answer what goes wrong. Redirect to facebook (response 302): https://www.facebook.com/dialog/oauth?client_id=166958180001271&redirect_uri=http%3A%2F%2Fdomain.com%2Fscripts%2FGateway.php%3Faction%3DAllowFacebookAccessAction%26app%3D14&state=0dbc178a375595da4751265a7147c01e#_=_ Redirect to mydomain (response 302): http://domain.com/scripts/Gateway.php?action=AllowFacebookAccessAction&app=14&state=0dbc178a375595da4751265a7147c01e&code=AQD-dTeyns0OWpGb_PzfHxUy2iRmpc1XgP6Q24DDRX8MiRTE10lV-b-aSNIlOLVHk576vRs3H8Pf9n0kGwU827MrkzUCUoQGFGEQBkkOJnCy9zb6hZs7TVBsKL2iSuZIhDjLsCOPeKy3zfb37Q6LGhtMICCdB_IQAvU0uRvAkSAX8tdVJ65PEv8imx-2yvLaMoGJleZwKogh7m03vlhV8hJk#_=_ Part of the code that creates this issue ... $facebook = new FacebookApi(array( 'appId' => $app->getProperty('apiKey'), 'secret' => $app->getProperty('secretKey'), )); $user = $facebook->getUser(); if (!$user) { header('location: ' . $facebook->getLoginUrl()); exit; } ... UPDATE: I ruled out that its a server setting. I was able to run the original example script on that server.

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• Strange MSI error when setup.exe is run

  - by Martin Jackson

  We're using Visual Studio 2008's Setup Project to create an installer for our .NET 3.5 app. We host the .exe and .msi files on a website for our client to access, and produce new ones regularly to provide updates. This has all been fine until recently we've noticed some cases where installing via the .exe fails. The symptoms are: The .exe downloads fine, and runs fine. It appears to download the .msi successfully (the "downloading application files" step plods through happily), but then when it gets to the end of the "preparing to install" step, instead of launching the installer UI it pops up a message saying "This installation package could not be opened. Verify that the package exists and that you can access it, or contact the application vendor to verify that this is a valid Windows Installer package". You'd think that the .msi is just corrupt or something, but running it explicitly (even downloading it from the same location as the .exe to do so) works just fine. This problem is occurring on just some of our machines, which are running a mixture of XP and Windows7. The only pattern I can see in those machines that experience the problem is that they tend to have had the application installed on them longer (i.e. updating the app rather than installing for the first time). It seems to me that it might be something to do with how/where the .exe downloads the .msi to, and perhaps different versions are conflicting there? Has anyone experienced this before? Does anyone know where the installer .exe puts the .msi that it downloads?

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• Create Folders from text file and place dummy file in them using a CustomAction

  - by Birkoff

  I want my msi installer to generate a set of folders in a particular location and put a dummy file in each directory. Currently I have the following CustomActions: <CustomAction Id="SMC_SetPathToCmd" Property="Cmd" Value="[SystemFolder]cmd.exe"/> <CustomAction Id="SMC_GenerateMovieFolders" Property="Cmd" ExeCommand="for /f &quot;tokens=* delims= &quot; %a in ([MBSAMPLECOLLECTIONS]movies.txt) do (echo %a)" /> <CustomAction Id="SMC_CopyDummyMedia" Property="Cmd" ExeCommand="for /f &quot;tokens=* delims= &quot; %a in ([MBSAMPLECOLLECTIONS]movies.txt) do (copy [MBSAMPLECOLLECTIONS]dummy.avi &quot;%a&quot;\&quot;%a&quot;.avi)" /> These are called in the InstallExecuteSequence: <Custom Action="SMC_SetPathToCmd" After="InstallFinalize"/> <Custom Action="SMC_GenerateMovieFolders" After="SMC_SetPathToCmd"/> <Custom Action="SMC_CopyDummyMedia" After="SMC_GenerateMovieFolders"/> The custom actions seem to start, but only a blank command prompt window is shown and the directories are not generated. The files needed for the customaction are copied to the correct directory: <Directory Id="WIX_DIR_COMMON_VIDEO"> <Directory Id="MBSAMPLECOLLECTIONS" Name="MB Sample Collections" /> </Directory> <DirectoryRef Id="MBSAMPLECOLLECTIONS"> <Component Id="SampleCollections" Guid="C481566D-4CA8-4b10-B08D-EF29ACDC10B5" DiskId="1"> <File Id="movies.txt" Name="movies.txt" Source="SampleCollections\movies.txt" Checksum="no" /> <File Id="series.txt" Name="series.txt" Source="SampleCollections\series.txt" Checksum="no" /> <File Id="dummy.avi" Name="dummy.avi" Source="SampleCollections\dummy.avi" Checksum="no" /> </Component> </DirectoryRef> What's wrong with these Custom Actions or is there a simpler way to do this?

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• Error while compiling Hello world program for CUDA

  - by footy

  I am using Ubuntu 12.10 and have sucessfully installed CUDA 5.0 and its sample kits too. I have also run sudo apt-get install nvidia-cuda-toolkit Below is my hello world program for CUDA: #include <stdio.h> /* Core input/output operations */ #include <stdlib.h> /* Conversions, random numbers, memory allocation, etc. */ #include <math.h> /* Common mathematical functions */ #include <time.h> /* Converting between various date/time formats */ #include <cuda.h> /* CUDA related stuff */ __global__ void kernel(void) { } /* MAIN PROGRAM BEGINS */ int main(void) { /* Dg = 1; Db = 1; Ns = 0; S = 0 */ kernel<<<1,1>>>(); /* PRINT 'HELLO, WORLD!' TO THE SCREEN */ printf("\n Hello, World!\n\n"); /* INDICATE THE TERMINATION OF THE PROGRAM */ return 0; } /* MAIN PROGRAM ENDS */ The following error occurs when I compile it with nvcc -g hello_world_cuda.cu -o hello_world_cuda.x /tmp/tmpxft_000033f1_00000000-13_hello_world_cuda.o: In function `main': /home/adarshakb/Documents/hello_world_cuda.cu:16: undefined reference to `cudaConfigureCall' /tmp/tmpxft_000033f1_00000000-13_hello_world_cuda.o: In function `__cudaUnregisterBinaryUtil': /usr/include/crt/host_runtime.h:172: undefined reference to `__cudaUnregisterFatBinary' /tmp/tmpxft_000033f1_00000000-13_hello_world_cuda.o: In function `__sti____cudaRegisterAll_51_tmpxft_000033f1_00000000_4_hello_world_cuda_cpp1_ii_b81a68a1': /tmp/tmpxft_000033f1_00000000-1_hello_world_cuda.cudafe1.stub.c:1: undefined reference to `__cudaRegisterFatBinary' /tmp/tmpxft_000033f1_00000000-1_hello_world_cuda.cudafe1.stub.c:1: undefined reference to `__cudaRegisterFunction' /tmp/tmpxft_000033f1_00000000-13_hello_world_cuda.o: In function `cudaError cudaLaunch<char>(char*)': /usr/lib/nvidia-cuda-toolkit/include/cuda_runtime.h:958: undefined reference to `cudaLaunch' collect2: ld returned 1 exit status I am also making sure that I use gcc and g++ version 4.4 ( As 4.7 there is some problem with CUDA)

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• What data structure to use / data persistence

  - by Dave

  I have an app where I need one table of information with the following fields: field 1 - int or char field 2 - string (max 10 char) field 3 - string (max 20 char) field 4 - float I need the program to filter on field 1 based upon a segmented control and select a field 2 from a picker. From this data I need to look up field 4 to use in a calculation. Total records will be about 200. I never see it go above 400 - 500. I am going to use a singleton which I am able to do, I just need help with the structure for this with data persistence. What type of data structure should I use for this and should I use NSNumber, NSString, etc. or old data types like float, Char, etc. I thought about a struct put into an array but there is probably a better way. This is new to me so any help or reference to examples would be great. I also thought about a plist or dictionary but it looks like it is just a lookup and a field which obviously won't work. Core data looked like overkill to me. Also, with any recommendation how should I get initial data into it? I want the user to be able to edit and add to the database. Sorry for the old terms, you can see what generation I am from... Thanks in advance!!!!

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• A dynamic array of class "landmark", inside another single class "landmarks"

  - by pinnacler

  I'm working on a robot localization simulator and I created a class called "landmark". The end result is going to be a robot that is always centered and always faces the top of the screen. As it turns, the birds eye view map will rotate around the robot. To accomplish this, I'm assuming I can rotate one class and have all elements inside rotate as well. So, the landmark class has properties x,y, label, and radius. This is suppose to simulate a tree location in a forest. To test everything, I need "forest data," and I wrote a script to generate 100 trees in a 100m x 100m area. The script automatically generates values within an acceptable range for x,y, radius. The generated data is stored in an object called tempForest and is 100x3. Ideally, I want to create a class called "landmarks" (plural) that has 100 landmark instances inside. How would I instantiate 100 instances of landmark in one instance of landmarks using that randomly generated data? Ideally, I'd just type treeBeacons = landmarks(); and it would randomly populate 100 (user definable, set in config file) instances with x, y, radius data. I'm not sure how to deal with a dynamic array of class "Landmark", inside another single class "landmarks." Any ideas?

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• Optimize an SQL statement

  - by kovshenin

  Hey, I'm running WordPress, the database diagram could be found here: http://codex.wordpress.org/Database_Description After doing tonnes of filters and applying some hooks to the core, I'm left with the following query: SELECT SQL_CALC_FOUND_ROWS wp_posts.* FROM wp_posts JOIN wp_postmeta ppmeta_beds ON (ppmeta_beds.post_id = wp_posts.ID AND ppmeta_beds.meta_key = 'pp-general-beds' AND ppmeta_beds.meta_value >= 2) JOIN wp_postmeta ppmeta_baths ON (ppmeta_baths.post_id = wp_posts.ID AND ppmeta_baths.meta_key = 'pp-general-baths' AND ppmeta_baths.meta_value >= 3) JOIN wp_postmeta ppmeta_furnished ON (ppmeta_furnished.post_id = wp_posts.ID AND ppmeta_furnished.meta_key = 'pp-general-furnished' AND ppmeta_furnished.meta_value = 'yes') JOIN wp_postmeta ppmeta_pool ON (ppmeta_pool.post_id = wp_posts.ID AND ppmeta_pool.meta_key = 'pp-facilities-pool' AND ppmeta_pool.meta_value = 'yes') JOIN wp_postmeta ppmeta_pool_type ON (ppmeta_pool_type.post_id = wp_posts.ID AND ppmeta_pool_type.meta_key = 'pp-facilities-pool-type' AND ppmeta_pool_type.meta_value IN ('tennis', 'voleyball', 'basketball', 'fitness')) JOIN wp_postmeta ppmeta_sport ON (ppmeta_sport.post_id = wp_posts.ID AND ppmeta_sport.meta_key = 'pp-facilities-sport' AND ppmeta_sport.meta_value = 'yes') JOIN wp_postmeta ppmeta_sport_type ON (ppmeta_sport_type.post_id = wp_posts.ID AND ppmeta_sport_type.meta_key = 'pp-facilities-sport-type' AND ppmeta_sport_type.meta_value IN ('tennis', 'voleyball', 'basketball', 'fitness')) JOIN wp_postmeta ppmeta_parking ON (ppmeta_parking.post_id = wp_posts.ID AND ppmeta_parking.meta_key = 'pp-facilities-parking' AND ppmeta_parking.meta_value = 'yes') JOIN wp_postmeta ppmeta_parking_type ON (ppmeta_parking_type.post_id = wp_posts.ID AND ppmeta_parking_type.meta_key = 'pp-facilities-parking-type' AND ppmeta_parking_type.meta_value IN ('street', 'off-street', 'garage')) JOIN wp_postmeta ppmeta_garden ON (ppmeta_garden.post_id = wp_posts.ID AND ppmeta_garden.meta_key = 'pp-facilities-garden' AND ppmeta_garden.meta_value = 'yes') JOIN wp_postmeta ppmeta_garden_type ON (ppmeta_garden_type.post_id = wp_posts.ID AND ppmeta_garden_type.meta_key = 'pp-facilities-garden-type' AND ppmeta_garden_type.meta_value IN ('private', 'communal')) JOIN wp_postmeta ppmeta_type ON (ppmeta_type.post_id = wp_posts.ID AND ppmeta_type.meta_key = 'pp-general-type' AND ppmeta_type.meta_value IN ('villa', 'apartment', 'penthouse')) JOIN wp_postmeta ppmeta_status ON (ppmeta_status.post_id = wp_posts.ID AND ppmeta_status.meta_key = 'pp-general-status' AND ppmeta_status.meta_value IN ('off-plan', 'resale')) JOIN wp_postmeta ppmeta_location_type ON (ppmeta_location_type.post_id = wp_posts.ID AND ppmeta_location_type.meta_key = 'pp-location-type' AND ppmeta_location_type.meta_value IN ('beachfront', 'countryside', 'town-center', 'near-the-sea', 'hillside', 'private-resort')) JOIN wp_postmeta ppmeta_price_range ON (ppmeta_price_range.post_id = wp_posts.ID AND ppmeta_price_range.meta_key = 'pp-general-price' AND ppmeta_price_range.meta_value BETWEEN 10000 AND 50000) JOIN wp_postmeta ppmeta_area_range ON (ppmeta_area_range.post_id = wp_posts.ID AND ppmeta_area_range.meta_key = 'pp-general-area' AND ppmeta_area_range.meta_value BETWEEN 50 AND 150) WHERE 1=1 AND (((wp_posts.post_title LIKE '%fdsfsad%') OR (wp_posts.post_content LIKE '%fdsfsad%'))) AND wp_posts.post_type = 'property' AND (wp_posts.post_status = 'publish' OR wp_posts.post_status = 'private') ORDER BY wp_posts.post_date DESC LIMIT 0, 10 It's way too big. Could anybody please show me a way of optimizing all those joins into fewer statements? As you can see they all use the same tables but under different names. I'm not an SQL guru but I think there should be a way, because this is insane ;) Thanks! Update Here's what explain returns: http://twitpic.com/1cd36p

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• Deploying Application with mvc in shared hosting server

  - by ankita-13-3

  We have created an MVC web application in asp.net 3.5, it runs absolutely fine locally but when we deploy it on godaddy hosting server (shared hosting), it shows an error which is related to trust level problem. We contacted godaddy support and they say, that we only support medium trust level application. So how to convert my application in medium trust level. Do I need to make changes to web.config file. It shows the following error : Security Exception Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file. Exception Details: System.Security.SecurityException: Request failed. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [SecurityException: Request failed.] System.Security.CodeAccessSecurityEngine.ThrowSecurityException(Assembly asm, PermissionSet granted, PermissionSet refused, RuntimeMethodHandle rmh, SecurityAction action, Object demand, IPermission permThatFailed) +150 System.Security.CodeAccessSecurityEngine.ThrowSecurityException(Object assemblyOrString, PermissionSet granted, PermissionSet refused, RuntimeMethodHandle rmh, SecurityAction action, Object demand, IPermission permThatFailed) +100 System.Security.CodeAccessSecurityEngine.CheckSetHelper(PermissionSet grants, PermissionSet refused, PermissionSet demands, RuntimeMethodHandle rmh, Object assemblyOrString, SecurityAction action, Boolean throwException) +284 System.Security.PermissionSetTriple.CheckSetDemand(PermissionSet demandSet, PermissionSet& alteredDemandset, RuntimeMethodHandle rmh) +69 System.Security.PermissionListSet.CheckSetDemand(PermissionSet pset, RuntimeMethodHandle rmh) +150 System.Security.PermissionListSet.DemandFlagsOrGrantSet(Int32 flags, PermissionSet grantSet) +30 System.Threading.CompressedStack.DemandFlagsOrGrantSet(Int32 flags, PermissionSet grantSet) +40 System.Security.CodeAccessSecurityEngine.ReflectionTargetDemandHelper(Int32 permission, PermissionSet targetGrant, CompressedStack securityContext) +123 System.Security.CodeAccessSecurityEngine.ReflectionTargetDemandHelper(Int32 permission, PermissionSet targetGrant, Resolver accessContext) +41 Look forward to your help. Regards Ankita Software Developer Shakti Informatics Pvt. Ltd. Web Template Hub

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• Google Maps API V3: How to jump to a specific marker from outside the map?

  - by Tom

  I have a map with two markers on it. The initial view of the map only shows one marker, and I want to provide a link next to the map that will move the map to the 2nd marker when clicked. Here's a demo of what I want, using v2 of the API: http://arts.brighton.ac.uk/contact-university-of-brighton-faculty-of-arts (note the links below the map) Here's what I have so far: <script type="text/javascript"> function initialize() { var latlng = new google.maps.LatLng(50.823817, -0.135634); var myOptions = { zoom: 13, center: latlng, mapTypeId: google.maps.MapTypeId.ROADMAP, mapTypeControlOptions: { style: google.maps.MapTypeControlStyle.DROPDOWN_MENU } , scaleControl: false }; var map = new google.maps.Map(document.getElementById("map"), myOptions); // 1st marker var marker1 = new google.maps.Marker({ position: new google.maps.LatLng(50.823817, -0.135634), map: map, title: 'my title' }); var infowindow = new google.maps.InfoWindow({ content: 'my window content' }); google.maps.event.addListener(marker1, 'click', function() { infowindow.open(map, marker1); }); // 2nd marker var marker2 = new google.maps.Marker({ position: new google.maps.LatLng(51.5262405, -0.074549), map: map, title: 'my 2nd title'}); var infowindow2 = new google.maps.InfoWindow({ content: 'content for my 2nd window' }); google.maps.event.addListener(marker2, 'click', function() { infowindow2.open(map, marker2); }); } </script> So what I'd like to add is a link to marker2, to move the map some 50-odd miles up, e.g. <a href="#marker2">Second location</a>. How would I do this?

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• Wordpress Rewrite Redirect Failure

  - by Rory Hart

  I'm helping a friend recover from the mess outsourcing a wordpress website caused him (mistake #1) and I have this weird error. The hosting he is using appears to be redirecting www.domain.com to domain.com (NFI why) automatically which works fine in every browser except IE (i know right!). So adding the first redirect fixed that, until I added the permalink redirect. Now when IE goes to an old wordpress link like http://www.domain.com/?p=520 the redirect fails. RewriteEngine On RewriteBase / # Rewrite rule for wierd redirect issue RewriteCond %{HTTP_HOST} ^www.domain.com$ RewriteRule ^/?(.*)$ "http\:\/\/doman\.com\/$1" [R=301,L] # Rewrite Rule for Wordress Permalinks RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] I tested this out with wget and it complains: ERROR: Redirection (301) without location. So it seems likely that IE is suffering from the same error (without the helpful error message). But I haven't a clue how to fix it. I am hoping that he will switch hosting companies but we will see. In the meantime any ideas?

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• Android animation's first frame is applied too early on ImageView

  - by Robert

  I have the following View setup in one of my Activities: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/photoLayout" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ImageView android:id="@+id/photoImageView" android:src="@drawable/backyardPhoto" android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center" android:scaleType="centerInside" android:padding="45dip" > </ImageView> </LinearLayout> Without an animation set, this displays just fine. However I want to display a very simple animation. So in my Activity's onStart override, I have the following: @Override public void onStart() { super.onStart(); mPhotoImageView = (ImageView) findViewById(R.id.photoImageView); float offset = -25; int top = mPhotoImageView.getTop(); TranslateAnimation anim1 = new TranslateAnimation( Animation.ABSOLUTE, 0, Animation.ABSOLUTE, 0, Animation.ABSOLUTE, top, Animation.ABSOLUTE, offset); anim1.setInterpolator(new AnticipateInterpolator()); anim1.setDuration(1500); anim1.setStartOffset(5000); TranslateAnimation anim2 = new TranslateAnimation( Animation.ABSOLUTE, 0, Animation.ABSOLUTE, 0, Animation.ABSOLUTE, offset, Animation.ABSOLUTE, top); anim2.setInterpolator(new BounceInterpolator()); anim2.setDuration(3500); anim2.setStartOffset(6500); mBouncingAnimation = new AnimationSet(false); mBouncingAnimation.addAnimation(anim1); mBouncingAnimation.addAnimation(anim2); mPhotoImageView.setAnimation(mBouncingAnimation); } The problem is that when the Activity displays for the first time, the initial position of the photo is not in the center of the screen with padding around. It seems like the first frame of the animation is loaded already. Only after the animation is completed, does the photoImageView "snap" back to the intended location. I've looked and looked and could not find how to avoid this problem. I want the photoImageView to start in the center of the screen, and then the animation to happen, and return it to the center of the screen. The animation should happen by itself without interaction from the user.

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