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• TFSBuild.Proj and Manual SQL Server Work Help?

  - by ScSub

  Using the VS 2008 GDR update, I have created a database project. I have created a SQL Server deployment package. I have created a database unit test. Using some wizards, the stuff got into my tfsbuild.proj file so near the end of the automated build process a database is created. I lack a little control of the whole process, I now see. What I would like to do is manually deploy the DB, run 3 custom scripts against the DB, and then manually start the DB unit test. I have other non-DB unit tests that already run. I do not want to use VSMDI or ordered unit test stuff because in out multi-developer environment it gets messy. Help!

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• SignalR: hub invokation request

  - by Yuriy Pogrebnyak

  I'm writing custom SignalR client and I need to implement hub invokation. As I understood from .NET client code, I need to send post request to the following url (after establishing connection with server): http://serverurl/signalr/send?transport=serverSentEvents&connectionId=<my_connection_id> . In request body I need to send json string containing basic information about the invoked method. My question is how should this json look like? I'm trying to send smth like this (again, judging by .NET client code): {"data" : {"Hub" : "hubname", "Method" : "methodname", "Args" : {"message" : "msg"} } } But I get the following error: System.ArgumentNullException: Value cannot be null. Parameter name: s. What am I doing wrong? What are required parameters of sending json and how should it be formatted?

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• Strange thing about .NET 4.0 filesystem enumeratation functionality

  - by codymanix

  I just read a page of "Whats new .NET Framework 4.0". I have trouble understanding the last paragraph: To remove open handles on enumerated directories or files Create a custom method (or function in Visual Basic) to contain your enumeration code. Apply the MethodImplAttribute attribute with the NoInlining option to the new method. For example: [MethodImplAttribute(MethodImplOptions.NoInlining)] Private void Enumerate() Include the following method calls, to run after your enumeration code: * The GC.Collect() method (no parameters). * The GC.WaitForPendingFinalizers() method. Why the attribute NoInlining? What harm would inlining do here? Why call the garbage collector manually, why not making the enumerator implement IDisposable in the first place? I suspect they use FindFirstFile()/FindNextFile() API calls for the imlementation, so FindClose() has to be called in any case if the enumeration is done.

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• QTreeWidget insertTopLevelItem - index given not accurately displayed in Tree?

  - by mleep

  I am unable to properly insert a QTreeWidgetItem at a specific index, in this case I am removing all QTreeWidgetItems from the tree, doing a custom sort on their Date Objects and then inserting them back into the QTreeWidget. However, upon inserting (even one at a time) the QTreeWidgetItem is not inserted into the correct place. The code below prints out: index 0: 0 index 0: 1 index 1: 0 index 0: 2 index 1: 1 index 2: 0 index 0: 3 index 1: 2 index 2: 0 index 3: 1 index 0: 4 index 1: 2 index 2: 0 index 3: 1 index 4: 3 print 'index 0: ', self.indexOfTopLevelItem(childrenList[0]) self.insertTopLevelItem(0, childrenList[1]) print 'index 0: ', self.indexOfTopLevelItem(childrenList[0]), ' index 1: ',\ self.indexOfTopLevelItem(childrenList[1]) self.insertTopLevelItem(0, childrenList[2]) print 'index 0: ', self.indexOfTopLevelItem(childrenList[0]), ' index 1: ',\ self.indexOfTopLevelItem(childrenList[1]), ' index 2: ', \ self.indexOfTopLevelItem(childrenList[2]) self.insertTopLevelItem(0, childrenList[3]) print 'index 0: ', self.indexOfTopLevelItem(childrenList[0]), ' index 1: ',\ self.indexOfTopLevelItem(childrenList[1]), ' index 2: ',\ self.indexOfTopLevelItem(childrenList[2]), 'index 3: ',\ self.indexOfTopLevelItem(childrenList[3]) self.insertTopLevelItem(0, childrenList[4]) print 'index 0: ', self.indexOfTopLevelItem(childrenList[0]),\ ' index 1: ', self.indexOfTopLevelItem(childrenList[1]),\ ' index 2: ', self.indexOfTopLevelItem(childrenList[2]),\ 'index 3: ', self.indexOfTopLevelItem(childrenList[3]),\ 'index 4: ', self.indexOfTopLevelItem(childrenList[4])

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• It is possible to override a plugin's Controller from another plugin?

  - by fabschu

  I'm developing a plugin (MyPlugin) which combines some security functions to use it as a standard plugin for my next Grails application. It integrates the Spring-Security-Core and Spring-Security-UI plugins, and by its installation all dependencies should be installed automatically by adding the dependencies in the BuildConfig like: plugins { compile: ...} So far everything works fine, but in MyPlugin I'm changing the behaviour of the Spring-Security-UI plugin (password encoding in User Domain), by overwriting the UserController. Executing MyPlugin leads to the expected behaviour and new Users are created using the correct Controller. However, when installing MyPlugin in another Grails application, this behaviour fails and the original UserController of the Spring-Security-Ui plugin is used. I tried to solve this by configuring the dependsOn and loadAfter properties in the GrailsPlugin file, but without any success. Is it possible to fix this? Or is it only possible to overwrite behaviour/controllers in the main application?

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• Different sidebars for each Wordpress page

  - by Remy

  I'm making a Wordpress 2.9.2 theme, and I'd like each page to have its own sidebar than can be edited as easily as the page's content. It would be cumbersome to make a different template file for each sidebar. It would also be weird to add a "custom field" containing all the sidebar text, since I wouldn't be able to use the Visual/HTML editor. What I'd like is to have a tag similar to the tag, but instead of delimiting the content to be shown on the front page, it would split the post's content and sidebar. Is this possible? Or is there a better solution?

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• WPF: HierarchicalDataTemplate ItemsPanel

  - by Echilon

  I have a TreeView which uses a custom ItemsPanel to show the first level of items in a StackPanel, but I need to show subitems in a StackPanel too. The problem is, the second level of items are shown in a WrapPanel, and as HierarchicalDataTemplate doesn't have an itemsPanel property I'm not sure how to do this. This is my xaml: <TreeView x:Name="treGlobalCards"> <TreeView.ItemsPanel> <ItemsPanelTemplate> <StackPanel IsItemsHost="True" Orientation="{Binding Orientation,RelativeSource={x:Static RelativeSource.TemplatedParent}}" MaxWidth="{Binding ActualWidth,RelativeSource={RelativeSource AncestorType={x:Type ScrollContentPresenter}}}"/> </ItemsPanelTemplate> </TreeView.ItemsPanel> <TreeView.ItemTemplate> <HierarchicalDataTemplate x:Key="CardTypeTemplate" ItemsSource="{Binding Cards}"> <TextBlock Text="{Binding Path=CardType}"/> </HierarchicalDataTemplate> </TreeView.ItemTemplate> </TreeView>

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• Can dummy objects be simulated on iphone?

  - by Mike

  I come from 3D animation and one of the basic things all 3D software have is the ability to create dummy objects. Dummy objects can be used to groups objects that can be rotated, moved or scaled together around a specific anchor point. This is the idea of what I am asking. Obviously we can have fake dummies by using a view and put other views as subviews, but this has problems as the view receives clicks and sometimes you don't want it to do so. You cannot change the anchorpoint of a view too. So, the dummies as I ask have, at least, these properties: adjustable anchor point it is not clickable it is totally invisible (cannot be rendered). any scale, rotation and translation of a dummy are propagated to the grouped objects considering the dummy's anchor point. it is totally animatable. Can this be simulated on iPhone? Is there any object that can be created to simulate this? thanks.

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• Android drawing cache

  - by Seva Alekseyev

  Please explain how does the drawing cache work in Android. I'm implementing a custom View subclass. I want my drawing to be cached by the system. In the View constructor, I call setDrawingCacheEnabled(true); Then in the draw(Canvas c), I do: Bitmap cac = getDrawingCache(); if(cac != null) { c.drawBitmap(cac, 0, 0, new Paint()); return; } Yet the getDrawingCache() returns null to me. My draw() is not called neither from setDrawingCacheEnabled(), nor from getDrawingCache(). Please, what am I doing wrong?

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• Awstats showing 404s for pages and objects I definitely don't have...

  - by Andrew Heath

  I have a HostGator site using Awstats and I've recently noticed the following 3 bizarre 404s: [address] [times] /images/wikimedia-button.png 1 /apple-touch-icon.png 1 /imgs/custom-space.gif 1 the first and third also carry referrers from within my site, but are 100% definitely absolutely not linked by any of my pages. I'm not too worried about it, seeing as each one has only popped up once. But I am concerned about why Awstats thinks one of my pages is referring what is apparently a wikipedia image, and why Steve Jobs is trying to haxx0r me (/joke) This is my first site to receive moderate daily usage, so I'm curious if these sorts of unique weird-o 404s just come with the territory, or if I should be double-checking something... Thanks!

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• Invalid XML in persistence.xml : Init method

  - by James.Elsey

  I'm getting the following error when I try to startup my application on google app engine: Failed startup of context com.google.apphosting.utils.jetty.RuntimeAppEngineWebAppContext@8fcc7b{/,/base/data/home/apps/sales-tracker/3.340980411948080671} org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'clientDao' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Cannot resolve reference to bean 'entityManagerFactory' while setting bean property 'entityManagerFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Invalid XML in persistence unit from URL [file:/base/data/home/apps/sales-tracker/3.340980411948080671/WEB-INF/classes/META-INF/persistence.xml] at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:275) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:104) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1245) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1010) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409) at java.security.AccessController.doPrivileged(Native Method) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45) at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548) at org.mortbay.jetty.servlet.Context.startContext(Context.java:136) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java:191) at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java:168) at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:123) at com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:243) at com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5485) at com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5483) at com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:24) at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:398) at com.google.net.rpc.impl.Server$2.run(Server.java:852) at com.google.tracing.LocalTraceSpanRunnable.run(LocalTraceSpanRunnable.java:56) at com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan(LocalTraceSpanBuilder.java:536) at com.google.net.rpc.impl.Server.startRpc(Server.java:807) at com.google.net.rpc.impl.Server.processRequest(Server.java:369) at com.google.net.rpc.impl.ServerConnection.messageReceived(ServerConnection.java:442) at com.google.net.rpc.impl.RpcConnection.parseMessages(RpcConnection.java:319) at com.google.net.rpc.impl.RpcConnection.dataReceived(RpcConnection.java:290) at com.google.net.async.Connection.handleReadEvent(Connection.java:474) at com.google.net.async.EventDispatcher.processNetworkEvents(EventDispatcher.java:831) at com.google.net.async.EventDispatcher.internalLoop(EventDispatcher.java:207) at com.google.net.async.EventDispatcher.loop(EventDispatcher.java:103) at com.google.net.rpc.RpcService.runUntilServerShutdown(RpcService.java:251) at com.google.apphosting.runtime.JavaRuntime$RpcRunnable.run(JavaRuntime.java:404) at java.lang.Thread.run(Unknown Source) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Invalid XML in persistence unit from URL [file:/base/data/home/apps/sales-tracker/3.340980411948080671/WEB-INF/classes/META-INF/persistence.xml] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1338) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409) at java.security.AccessController.doPrivileged(Native Method) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:269) ... 47 more Caused by: java.lang.IllegalArgumentException: Invalid XML in persistence unit from URL [file:/base/data/home/apps/sales-tracker/3.340980411948080671/WEB-INF/classes/META-INF/persistence.xml] at org.springframework.orm.jpa.persistenceunit.PersistenceUnitReader.readPersistenceUnitInfos(PersistenceUnitReader.java:151) at org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager.readPersistenceUnitInfos(DefaultPersistenceUnitManager.java:303) at org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager.preparePersistenceUnitInfos(DefaultPersistenceUnitManager.java:275) at org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager.afterPropertiesSet(DefaultPersistenceUnitManager.java:260) at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:192) at org.springframework.orm.jpa.AbstractEnti My persistence.xml looks as follows, as taken from the GAE documentation <?xml version="1.0" encoding="UTF-8" ?> <persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"version="1.0"> <persistence-unit name="transactions-optional"> <provider>org.datanucleus.store.appengine.jpa.DatastorePersistenceProvider</provider> <properties> <property name="datanucleus.NontransactionalRead" value="true" /> <property name="datanucleus.NontransactionalWrite" value="true" /> <property name="datanucleus.ConnectionURL" value="appengine" /> </properties> </persistence-unit> </persistence> Is there something wrong with my persistence file? Or could my errors be caused elsewhere? Can someone please give me some pointers thanks

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• Display Image from Byte Array in WPF - Memory Issues

  - by ChrisFletcher

  Hi, I've developed an application to capture and save images to a database, but I'm having an issue with memory usage. On my domain object I have 3 properties: Image - Byte array, contents are a jpg RealImageThumb - The byte array converted to a BitmapImage and shrunk, displayed to the user in a gridview with other thumbnails RealImage - Has no setter, the byte array converted to a bitmap source, this is shown in a tooltip when the user hovers over it. The issue I have is that if a user hovers over each image in turn the memory usage spirals. I realise that as a user hovers over bitmap sources are generated and the memory isn't freed up, I've tried giving RealImage a backing property and assigning this to null after but again the memory isn't freed up (waiting for the garbage colelctor?.

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• LinQ to objects GroupBy() by object and Sum() by amount

  - by Daniil Harik

  Hello, I have pretty simple case which I started solving using foreach(), but then I thought I could do It using Linq Basically I have IList that contains PaymentTransaction objects and there are 2 properties Dealer and Amount I want to GroupBy() by Dealer and Sum() bv amount. I tried to accomplish this using following code, but unfortunately it does not work var test = paymentTransactionDao.GetAll().GroupBy(x => x.Dealer).Sum(x => x.Amount); Want exactly I'm doing wrong here? I'm sorry if this question is too simple. Thank You

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• Correct handling of OnMouseWheel events in Ext-GWT

  - by Kevin Loney

  I'm trying to figure out which property of BoxComponentEvent will tell me if the generated OnMouseWheel event was a scroll-up or scroll-down event. I have output the values of all the properties BoxComponentEvent exposes; and all of them (with the exception of the coordinates at which the event took place) stay the same regardless. Google and the Ext-GWT docs have been pretty useless for providing a concrete example. public class MyPanel extends ContentPanel { // ... public MyPanel() { addListener(Events.OnMouseWheel, new Listener<BoxComponentEvent>() { public void handleEvent(BoxComponentEvent be) { // What happens here to distinguish scroll-up and scroll-down? } }); } protected void afterRender() { super.afterRender(); el().addEventsSunk(Events.OnMouseWheel.getEventCode()); } // ... }

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• Compiler warning "not found in protocol(s)" when using [[[UIApplication sharedApplication] delegate]

  - by DK Crame

  I have myClass instantiated by my appDelegate, I have another class, newClass instantiated by myClass. From the newClass instance, I want to access a property in the myClass instance that created it. I have done this by: [[[UIApplication sharedApplication].delegate myClass] property] This works, I can actually get the property but I get this warning from Xcode: warning: "-myClass" not found in protocols warning: no "-myClass" method found (messages without a matching signature will be assumed to return "id" and accept "..." as arguments) The newClass property has been correctly declared in the .h and .m files, it's properties have been set and it has been synthesized. It compiles and runs and I can actually get the property's value. Should I ignore the warning in Xcode? Is there a better way to access the myClass instance's property?

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• Good example usage of get_or _create in Django views and raising a Form error

  - by Rik Wade

  I would like to use get_or_create to check whether an object already exists in my database. If it does not, then it will be created. If it does exist, then I will not create the new object, but need to raise a form error to inform the user that they need to enter different data (for example, a different username). The view contains: p, created = Person.objects.get_or_create( email = registration_form.cleaned_data['email'], defaults = { 'creationDate': datetime.datetime.now(), 'dateOfBirth': datetime.date(1970,1,1) }) So 'p' will contain the existing Person if it exists, or the new Person if not. I would like to act on the boolean value in 'created' in order to skip over saving the Person and re-display the registration_form and raise an appropriate form validation error. The alternative I'm considering is doing a check in a custom Form validation method to see whether a Person exists with the data in the provided 'email' field, and just raising a validation error.

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• ASP.NET MVC 2 RC2 Model Binding with NVARCHAR NOT NULL column

  - by Gary McGill

  I have a database column defined as NVARCHAR(1000) NOT NULL DEFAULT(N'') - in other words, a non-nullable text column with a default value of blank. I have a model class generated by the Linq-to-SQL Classes designer, which correctly identifies the property as not nullable. I have a TextAreaFor in my view for that property. I'm using UpdateModel in my controller to fetch the value from the form and populate the model object. If I view the web page and leave the text area blank, UpdateModel insists on setting the property to NULL instead of empty string. (Even if I set the value to blank in code prior to calling UpdateModel, it still overwrites that with NULL). Which, of course, causes the subsequent database update to fail. I could check all such properties for NULL after calling UpdateModel, but that seems ridiculous - surely there must be a better way? Please don't tell me I need a custom model binder for such a simple scenario...!

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• SSL on Heroku / User Authentication Across Multiple Domains

  - by Euwyn

  Posted a previous question on this, but have a followup. I was trying to create a workaround to use SSL on the expensive custom domain. I'm willing to live with bumping a user to https://app.heroku.com from http://www.app.com for certain secure pages, and have monkey-patched SSL required to make this happen. However, now this issue is with making sure my User is logged in when I do so. As I understand, cookies aren't cross domain. Is there a way around this issue?

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• C#/.NET DateTimePicker replacement that "respects" e.g. the CurrentUICulture

  - by S.C. Madsen

  Apparently the DateTimePicker does not "respect" or adhere to the CurrentUICulture of a .NET application, because DateTimePicker is a "Native" Common-control with a .NET wrapper (I think). I have a C#/.NET Winforms application which uses custom-format for the DateTimePickers. Everything seems to be running smoothely except for the "AM/PM" part, which is not shown (I'm guessing this is due to the regional settings of my PC). I have a requirement to display "AM/PM" regardless of the regional settings of the PC running my .NET Winforms application. I would rather not re-implement my own DateTimePicker control, which adheres to the CurrentIUCulture. So does anybody know of a work-around or have a link to DateTimePicker control re-implementation?

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• tinyMCE setup callback versus onAddEditor

  - by Matthew Manela

  When you initialize a tinyMCE editor I have noticed two different ways to get called when the editor is created. One way is using the setup callback that is part of tinyMCE.init: tinyMCE.init({ ... setup : function(ed) { // do things with editor ed } }); The other way is to hook up to the onAddEditor event: tinyMCE.onAddEditor.add(function(mgr,ed) { // do things with editor ed }); What are the differences between using these two methods? Is the editor in a different state in one versus the other? For example, are things not yet loaded if I try to access properties on the editor object. What are reasons to use one over the other?

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• Using of html5 <video> tag in web-based applications for iPhone

  - by Alexander Sharov

  As you know iPhone plays video content from < video tags in full-screen mode via internal media player. Here I have several questions: 1) is it possible to show custom text over video playing? something like subtitles appeared during movie playback. I tried several solutions like http://blog.gingertech.net/2008/12/12/attaching-subtitles-to-html5-video/, but seems they are not working in iPhone case. Ideally, I want to add some div over media player and show necessary information there. 2) is there any way to disable controls of iPhone media player. Seams it is not metter if you add "controls" attrinbute to < video tag or don't add, iPhone always switch on controls for media player. The goal for me is do not allow to user to change playback possition(user should see full movie from start to finish. Of course user can stop the video, but he can't rewind a record) Thanks for your help.

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• Checkboxes and Radio Buttons Together in a JTree

  - by Thunderforge

  I'd like to create a JTree that more or less has the following structure (with a hidden root node) [No Option] Main Dish [Radio Button] Steak [Radio Button] Fish [Radio Button] Filet Mignon [Checkbox] Side Dish [Checkbox] Mashed Potatoes [Checkbox] Green Beans [Checkbox] Mixed Vegetables [Checkbox] Dessert [Radio Button] Ice Cream [Radio Button] Pudding [Radio Button] Cake Basically, at least one main dish (but no more than one) can be chosen, any number of side dishes can be chosen (or none, if the "Side Dish" checkbox is unchecked), and only one dessert can be chosen (or none, if the "Dessert" checkbox is unchecked). This article describes how to create a tree that uses JCheckboxes (as I'd like to use for the Side Dish and Dessert sections) by creating a custom Renderer and page 3 of the same article describes how to use Radio buttons (as I'd like to use for the Main Course) section. But it doesn't describe how to mix them up within the same JTree. Is it possible to create a structure like this? And if so, how?

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• Classes / instances in Ontology

  - by SODA

  Hi, I'm trying to comprehend ontology basics. Here's an example: car (class) 2009 VW CC (sub-class or instance?) My neighbor's 2009 VW CC (instance) My issue is understanding what is "2009 VW CC" (as a car model). If you're making product model a sub-class in the ontology - all of a sudden your ontology becomes bloated with thousands of subclasses of a "car". That's redundant. At the same time we can't say "2009 VW CC" is an instance, at least it's not material instance of a class. Does it make sense to distinguish between regular instances and material (distinct physical objects)? At the other hand, if both are instances (of different nature so to say), then how can instance inherit properties / relations of a non-class?

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• How to add a hyperlink column to a TcxGrid (Developer express grid)

  - by Brian Frost

  Hi In Delphi I've managed (!) to add a column to a TcxGrid table view that appears as a hyperlink (instead of a simple string). To do this, you simply edit 'properties' of the column and choose 'hyperlink'. The cell now shows a hyperlink style (underlined) but I canot for the life of me see how to: Get the cursor to change to the 'hand' when over the link. Add an event that is fired when I click the link. Can anyone help? Thanks.

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• Google Chrome Speed Tracer what does Request Timing and Response Timing actually measure?

  - by Bryce Thomas

  I'm testing out the Google Chrome Speed Tracer on a few common web pages and taking a look through the results. One thing I'm not sure I understand is what the "Request Timing" and "Response Timing" properties of resources are actually measuring. Initially I thought Request Timing must measure the time from a request for a resource being sent and when that request arrived at the server. However, I then wondered how the Speed Tracer would actually have any way of measuring this. Furthermore, the Response Timing that I'm getting for resources tends to be far less than the Request Timing (e.g. 500ms request, 1ms response), which is a little bit suss. So is anyone able to explain exactly what Request Timing and Response Timing are measuring?

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