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  • UIImagePickerController crashing

    - by Mike
    I am developing a project based on iPhone OS 3.2 This project uses UIImagePickerController to pick videos. I have managed to put a video inside the iPad simulator. Photos.app can see and play the video, that was created using an iPhone 3GS, but whey I try to use the UIImagePickerController, it simply crashes my app. THis is the code I am using: if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypePhotoLibrary]) { UIImagePickerController *picker = [[UIImagePickerController alloc] init]; picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; picker.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:picker.sourceType];//shows movies and photos on iPhone picker.delegate = self; picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; UIPopoverController *popover = [[UIPopoverController alloc] initWithContentViewController:picker]; CGRect myRect = CGRectMake(0,0,100,100); // this is a random rect just for testing [popover presentPopoverFromRect:myRect inView:myMainView permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES]; } after running this, the app crashes miserably with the following message Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Popovers cannot be presented from a view which does not have a window.' Is there something wrong with the code or it is just the simulator crashing because it is unable to pick videos? please refrain from recommending me to test on a real device. The problem is that I live outside the US and there's no iPad here soon. thanks.

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  • Moving from ClearCase to Mercurial: your top tips?

    - by Robusto
    We will soon start replacing ClearCase with Mercurial. I hear this is a good thing. The change model vs. the version model. Wave of the future. I'm prepared to believe this. Still, it kind of frightens me. Hey, it took Joel Spolsky a while to grok the difference and how to get maximum advantage out of Mercurial, so I'm betting I will run into conceptual traps and pitfalls. Does anyone have any real-world "how to grok Mercurial" tips? Anything specific suggestions that will help me bridge the conceptual gap. Any warnings about things not to do? I'd appreciate hearing them. I've already read the closest questions on SO related to this topic, as well as the Mercurial tour and a number of other blogs. I'm mainly interested in any gotchas or uh-ohs I may encounter. Any wisdom you can impart will be appreciated.

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  • DDD/NHibernate Use of Aggregate root and impact on web design - ex. Editing children of aggregate ro

    - by pbrophy
    Hopefully, this fictitious example will illustrate my problem: Suppose you are writing a system which tracks complaints for a software product, as well as many other attributes about the product. In this case the SoftwareProduct is our aggregate root and Complaints are entities that only can exist as a child of the product. In other words, if the software product is removed from the system, so shall the complaints. In the system, there is a dashboard like web page which displays many different aspects of a single SoftwareProduct. One section in the dashboard, displays a list of Complaints in a grid like fashion, showing only some very high level information for each complaint. When an admin type user chooses one of these complaints, they are directed to an edit screen which allows them to edit the detail of a single Complaint. The question is: what is the best way for the edit screen to retrieve the single Complaint, so that it can be displayed for editing purposes? Keep in mind we have already established the SoftwareProduct as an aggregate root, therefore direct access to a Complaint should not be allowed. Also, the system is using NHibernate, so eager loading is an option, but my understanding is that even if a single Complaint is eager loaded via the SoftwareProduct, as soon as the Complaints collection is accessed the rest of the collection is loaded. So, how do you get the single Complaint through the SoftwareProduct without incurring the overhead of loading the entire Complaints collection?

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  • Android SQLite database gets corrupted

    - by Seu
    There are about 100 people using my Android App right now and every once and while I get a crash report to the server with this stack trace: android.database.sqlite.SQLiteDatabaseCorruptException: database disk image is malformed at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2596) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2621) at android.app.ActivityThread.access$2200(ActivityThread.java:126) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1932) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:4595) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) at dalvik.system.NativeStart.main(Native Method) Caused by: android.database.sqlite.SQLiteDatabaseCorruptException: database disk image is malformed at android.database.sqlite.SQLiteQuery.native_fill_window(Native Method) at android.database.sqlite.SQLiteQuery.fillWindow(SQLiteQuery.java:75) at android.database.sqlite.SQLiteCursor.fillWindow(SQLiteCursor.java:295) at android.database.sqlite.SQLiteCursor.getCount(SQLiteCursor.java:276) at android.database.AbstractCursor.moveToPosition(AbstractCursor.java:171) at android.database.AbstractCursor.moveToFirst(AbstractCursor.java:248) The result is the app crashing and all the data in the DB being lost. One thing to note is that every time I read or write to the database I get a new SQLiteDatabase and close it as soon as I'm done. I thought this would simplify things, but perhaps that's causing the problem? Is it possible this is just a SQLite bug?

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  • EWS 2010: Public Folder Problem using .NET

    - by Daniel
    I've recently coded a .NET Console app using C#. It's purpose was to read the emails within a specific folder, parse them for specific values and save them to a database. Our email system, at the time I originally coded this, was Exchange 2003. However, I was made aware we would soon be upgrading to Exchange 2010: ergo, I built the code to work in both environments. Following the migration to 2010, however, the app has broken. The app uses the EWS API for 2010 functionality. When it attempts to use the ExchangeService's FindFolders method to find the publicfoldersroot, it throws an exception. Here's the code: ExchangeService service = new ExchangeService(); FindFoldersResults findRootFldrs; service.UseDefaultCredentials = true; service.AutodiscoverUrl("[email protected]", delegate(string x) { return true; }); FolderView fview = new FolderView(100); fview.Traversal = FolderTraversal.Deep; if (findRootFldrsSub == null) { //Set to root to test local folders -- findRootFldrs = service.FindFolders(WellKnownFolderName.PublicFoldersRoot, fview); } The exception: "The mailbox that was requested doesn't support the specified RequestServerVersion" I've attempted: -Setting the exchangeservice to 2007 (throws an exception: "An internal server error occurred. The operation failed.") -Giving myself the highest level of permission to the Public Folder (no effect) -Manually setting my credentials (no effect) I can view the public folders in outlook; the publicfoldersroot property is available in the intellisense; the code works on local folders (I can parse my inbox). My current thinking is that it's a setting on the recent setup of Exchange 2010: unfortunately that isn't really my field.

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  • IDataRecord.IsDBNull causes an System.OverflowException (Arithmetic Overflow)

    - by Ciddan
    Hi! I have a OdbcDataReader that gets data from a database and returns a set of records. The code that executes the query looks as follows: OdbcDataReader reader = command.ExecuteReader(); while (reader.Read()) { yield return reader.AsMovexProduct(); } The method returns an IEnumerable of a custom type (MovexProduct). The convertion from an IDataRecord to my custom type MovexProduct happens in an extension-method that looks like this (abbrev.): public static MovexProduct AsMovexProduct(this IDataRecord record) { var movexProduct = new MovexProduct { ItemNumber = record.GetString(0).Trim(), Name = record.GetString(1).Trim(), Category = record.GetString(2).Trim(), ItemType = record.GetString(3).Trim() }; if (!record.IsDBNull(4)) movexProduct.Status1 = int.Parse(record.GetString(4).Trim()); // Additional properties with IsDBNull checks follow here. return movexProduct; } As soon as I hit the if (!record.IsDBNull(4)) I get an OverflowException with the exception message "Arithmetic operation resulted in an overflow." StackTrace: System.OverflowException was unhandled by user code Message=Arithmetic operation resulted in an overflow. Source=System.Data StackTrace: at System.Data.Odbc.OdbcDataReader.GetSqlType(Int32 i) at System.Data.Odbc.OdbcDataReader.GetValue(Int32 i) at System.Data.Odbc.OdbcDataReader.IsDBNull(Int32 i) at JulaAil.DataService.Movex.Data.ExtensionMethods.AsMovexProduct(IDataRecord record) [...] I've never encountered this problem before and I cannot figure out why I get it. I have verified that the record exists and that it contains data and that the indexes I provide are correct. I should also mention that I get the same exception if I change the if-statemnt to this: if (record.GetString(4) != null). What does work is encapsulating the property-assignment in a try {} catch (NullReferenceException) {} block - but that can lead to performance-loss (can it not?). I am running the x64 version of Visual Studio and I'm using a 64-bit odbc driver. Has anyone else come across this? Any suggestions as to how I could solve / get around this issue? Many thanks!

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  • Consume a WCF Web Service in Sharepoint Services 3.0

    - by Filip Ekberg
    I've seen this question and since it doesn't answer my question and the topic is fairly miss-leading in my opinion, I feel the urge to ask this again. I have a Sharepoint Webpart that I deploy using Visual Studio Sharepoint Tools 1.2 to a Sharepoint Services 3.0 instance on my local Windows 2003 server. All works great, however, as soon as I add a WCF Service it won't run the code. All I get is a File not found error. I've added this to my Web.Config which is a copy of App.Config <system.serviceModel> <bindings> <basicHttpBinding> <binding name="BasicHttpBinding_Services_xxxService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Mtom" textEncoding="utf-8" transferMode="Buffered" useDefaultWebProxy="true"> <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /> <security mode="None"> <transport clientCredentialType="None" proxyCredentialType="None" realm="" /> <message clientCredentialType="UserName" algorithmSuite="Default" /> </security> </binding> </basicHttpBinding> </bindings> <client> <endpoint address="http://localhost:1196/xxxService.svc" binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_ervices_xxxgService" contract="xxxService.TestService" name="BasicHttpBinding_ServicesxxxService" /> </client> </system.serviceModel> I cannot even do using(var proxy = new xxService.TestService()), If that line is added, the new dll is not added to Sharepoint Services. Any suggestions? I also found this blog post and this forum thread, don't think they are too helpful though.

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  • Reloading an external element (via jQuery's .load) without impact on same-named host elements on sam

    - by Martin Pescador
    Hello together! [First, I'm an absolute beginner. I tried to express myself as good as I could - please correct me on any issue... Now: I have the following problem:] I am loading a div element, which class always is ".gallery" from a couple of pages (in this example "the page index.php?page=orange") into another page's div (in this case with the ID "orange") using the following code: $("#orange").load("http://example.com/index.php?page=orange .gallery"); Each div.gallery I load in, is a set of a few images. Between them, you can switch (there are "previous"- and "next"-links in ".imgnavi"). $(".imgnavi a").live("click", function(ev) { ev.preventDefault(); ev.stopPropagation(); $(".gallery").load($(this).attr("href")); return false; }) What happens now: Loading the different div.gallery into the new page is no problem, but as soon as I start to navigate inside those divs (each div is a little gallery, where you can switch between images), the div.gallery I am switching in is suddenly loaded into EVERY other div.gallery in the document! How do I prevent that?

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  • HTML to RTF Converter for .NET

    - by nickyt
    I've already seen lots of posts on the site for RTF to HTML and some other posts talking about some HTML to RTF converters, but I'm really trying to get a full breakdown of what is considered the most widely used commercial product, open source product or if people recommend going home grown. Apologies if you consider this a duplicate question, but I'm trying to create a product matrix to see what is the most viable for our application. I also think this would be helpful for others. The converter would be used in an ASP.NET 2.0 application (we're upgrading to 3.5 shortly but still sticking with WebForms) using SQLServer 2005 (soon 2008) as the DB. From reading a few posts, SautinSoft appears to be popular as a commercial component. Are there other commercial components that you'd recommend for converting HTML to RTF? Price does matter, but even if it's a little on the expensive side, please list it. For open source, I read that OpenOffice.org can be run as a service so that it can convert files. However, this appears to be only Java based. I imagine, I'd need some kind of interop to use this? What .NET open source components, if any, are out there for converting HTML to RTF? For home grown, is an XSLT the way to go with XHTML? If so, what component do you recommend for generating XHTML? Otherwise, what other home grown avenuses do you recommend. Also, please note that I currently don't care so much about RTF to HTML. If a commercial component offers this and the price is still the same, fine, otherwise please don't mention it.

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  • How can I programmatically link an UIView or UIImageView with an event like "touch up inside"?

    - by Thanks
    Interface Builder will only allow me to hook up such events for an button. But like in HTML, I just want to haven an blank UIImageView where - as soon as the user taps it - a method is invoked. I hope there is some cool programmatically way of doing that, which I don't know about. UPDATE: In my View Controller that creates the UIImageView I tried to do this: SEL actionSelector = @selector(doSomethingWhenImageIsTouched:); [self.myUIImageView addTarget:nil action:actionSelector forControlEvents:UIControlEventTouchUpInside]; The compiler gives me a warning, that UIImageView may not respond to addTarget:... what do I have to do so that it works with an UIImageView. I see in the docs that UIImageView does not inherit from UIControl, but addTarget: is part of UIControl. UPDATE: I ended up creating an UIButton after creating the UIImageView. Then I set the frame of that button to the frame of the UIImageView, and alpha to 0.1f. For some reason, it will not work if alpha is 0.0f. And then, I did that cool addTarget: thing...

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  • ssh tunneling with visualsvn

    - by DeveloperChris
    I have been asked to setup visualsvn for visual studio 2008 Due to firewall restrictions and server configuration. I need to use ssh tunneling. My problem is this. The local machine needs to connect to a gateway machine via ssh then connect to the subversion server so Local machine ---{ssh}--- gateway ---{ssh}-- subversion server I am not exactly sure of the correct process to do this. It appears that I must start a ssh process using plink to open a local port and forward that to the remote subversion server. eg: plink user@gateway -L 22:192.168.1.1:22 Then when visualsvn starts it uses tortoiseplink to make the actual connection through to the subversion server using svn+ssh://username@localhost:22/myrepo This seems very very clunky. firstly it needs several steps to setup the connection secondly I need plink running which leaves a command prompt on the desktop (clutter = yuck) lastly I need to use two different programs that do the same thing. (plink + tortoiseplink) The problem is that tortoiseplink doesn't run in the background. As soon as I connect to the ssh gateway and enter the password it closes again. So I can't use it to create the initial connection. If I use plink instead of tortoiseplink in visualsvn then I never get prompted for the password. so it just hangs with an open command prompt and no password request. Is there a way to setup visualsvn so that everything happens in one command line? I have searched high and low for a suitable and clean method to tunnel from visualsvn to the remote server and have found very little. it all either assumes one hop (not two like mine) or it glosses over all the hard bits. DC

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  • Binding property to Silverlight dependency property independent of DataContext

    - by Simon_Weaver
    I'm trying to make an Address control that has an IsReadOnly property, which will make every TextBox inside read only when set to true. <my:AddressControl Grid.Column="1" Margin="5" IsReadOnly="True"/> I've managed to do this just fine with a dependency property and it works. Here's a simple class with the dependency property declared : public partial class AddressControl : UserControl { public AddressControl() { InitializeComponent(); this.DataContext = this; } public static readonly DependencyProperty IsReadOnlyProperty = DependencyProperty.Register("IsReadOnly", typeof(bool), typeof(AddressControl), null); public bool IsReadOnly { get { return (bool)GetValue(IsReadOnlyProperty); } set { SetValue(IsReadOnlyProperty, value); } } } In the XAML for this codebehind file I have a Textbox for each address line: <TextBox IsReadOnly="{Binding IsReadOnly}" Text="{Binding City, Mode=TwoWay}"/> <TextBox IsReadOnly="{Binding IsReadOnly}" Text="{Binding State, Mode=TwoWay}"/> <TextBox IsReadOnly="{Binding IsReadOnly}" Text="{Binding Zip, Mode=TwoWay}"/> Like i said this works just fine. The problem is that the Address control itself is bound to its parent object (I have several addresses I am binding). <my:AddressControl DataContext="{Binding ShippingAddress, Mode=TwoWay}" IsReadOnly="True"> <my:AddressControl DataContext="{Binding BillingAddress, Mode=TwoWay}" IsReadOnly="True"> The problem is that as soon as I set DataContext to something other than 'this' then the binding for IsReadOnly breaks. Not surprising because its looking for IsReadOnly on the Address data entity and it doesn't exist or belong there. I've tried just about every combination of binding attributes to get IsReadOnly to bind to the AddressControl obejct but can't get it working. I've tried things like this, but I can't get IsReadOnly to bind independently to the AddressControl property instead of its DataContext. <TextBox IsReadOnly="{Binding RelativeSource={RelativeSource Self}, Path=IsReadOnlyProperty}" Text="{Binding City, Mode=TwoWay}" /> I think I'm pretty close. What am I doing wrong?

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  • Activity Indicator display in Table View whilst row data is being fetched

    - by Tofrizer
    Hi All, I am navigating from tableview1.row to a tableview2 which has a LOT of rows being fetched. Given the load time is around 3 seconds, I want the navigation to slide into tableview2 as soon as the tableview1.row is selected, and then display a UIActivityIndicatorView above tableview2 whilst the data is fetched and then rendered in its underlying table view. Note, tableview2 is actually a subview of the parent UIView (as opposed to the parent being a UITableView). I've seen this post: http://stackoverflow.com/questions/2153653/activity-indicator-shold-be-displayed-when-navigating-from-uitableview1-to-uitabl ... which gives instructions to add the activity indicator start and stopAnimating calls around the data fetch into viewDidLoad of tableview2. Thing is, I'm not sure how the above solution could work as viewDidLoad runs and completes before tableview2 visibly slides into view. Separately, I also tried adding an activity indicator over tableview2 in IB and added the IBOutlet indicator's start/stop animating code into viewDidAppear. What happens is the data fetch runs and I can see the indicator spinning but at the end of the fetch, the table view is empty. Seems like viewDidAppear is too late to add data to the table view as cellForRowAtIndexPath etc has already fired. Can anyone please suggest any pointers? I could very well be missing something obvious here (its nearly 5am where I am and think my brain is mush). Should I re-trigger cellForRowAtIndexPath etc from viewDidAppear? Is the issue that my table view is a subview and not the parent view? Thanks

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  • Set UIViewController background to transparent

    - by dbonneville
    I'm calling a UIViewController from a button on the main view. I have set the alpha of the view to 50%. When the view animates in, I can see that it's transparent. As soon as the animation stops, it becomes opaque. In the xib, when I set opacity, it's sets the opacity over white. So if I set the color to black and the opacity to 50%, this is what I see when I click the button on the main interface to show the view: view slides up from bottom at 50% opacity. I can see the underlaying view through the transparent black nicely. when view stops animating, it become gray. it appears that a white color pops in the background of the view somehow, making the 50% opacity black over white turn gray. I can no longer see the underlaying layer. What I'm trying to do: show 100% white text on a 50% transparent black layer which sits over the view that called this view. How on earth do I do this? I tried a code method that sets the background color when the view is called, but it does exactly the same thing (with another try in there commented out with the same effect): - (IBAction)gotoCreed { Creed *creed = [[Creed alloc] initWithNibName:nil bundle:nil]; [self presentModalViewController:creed animated:YES]; self.view.backgroundColor = [UIColor colorWithHue:0.0 saturation:0.0 brightness:1.0 alpha:0.2]; //self.view.backgroundColor = [UIColor clearColor]; }

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  • Sharepoint People Editor within Update Panel - Cannot set value after partial postback

    - by kalebd
    trying to set default value in the people picker with an update panel. On a test page without an update panel, the code PeopleEditor1.CommaSeparatedAccounts = "domain\\user.account"; works just fine. As soon as I add an update panel around that people editor the picker's text area gets cleared out and future calls to the above snippet are ignored. This can be reproduced by placing the following on a fresh aspx page w/ code-behind. code-behind: protected override void OnLoad(EventArgs e) { base.OnLoad(e); PeopleEditor1.CommaSeparatedAccounts = "domain\\user.account"; } aspx source: <asp:ScriptManager runat="server" id="ScriptMan"> </asp:ScriptManager> <asp:CheckBox runat="server" ID="causepostback" AutoPostBack="true" Text="Should this be checked?" /> <asp:UpdatePanel runat="server" ID="candypanel" UpdateMode="Conditional"> <Triggers> <asp:AsyncPostBackTrigger ControlID="causepostback" /> </Triggers> <ContentTemplate> <SharePoint:PeopleEditor runat="server" ID="PeopleEditor1" MultiSelect="true" AllowEmpty="false" SelectionSet="User,SecGroup,SPGroup" AutoPostBack="false" BorderWidth="1" Width="265px" PlaceButtonsUnderEntityEditor="false" Rows="1" /> </ContentTemplate> </asp:UpdatePanel> Your insight is appreciated.

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  • GWT Internationalization throws an exception while rebinding

    - by Stephane Grenier
    I'm trying to internationalize a test application with GWT following the instruction and I have: com.example.client.MyConstants.java com.example.client.MyConstants_en.properties com.example.client.MyConstants_fr.properties com.example.client.MyAppEntryPoint.java In this code I have: public interface MyConstants extends Constants { @DefaultStringValue("HelloWorld") String hellowWorld(); } And public class MyAppEntryPoint implements EntryPoint { public void onModuleLoad() { MyConstants constants = GWT.create(MyConstants.class); VerticalPanel mainPanel = new VerticalPanel(); mainPanel.add(new Label(constants.hellowWorld())); RootPanel.get("myContainer").add(mainPanel); } } For MyApp.gwt.xml I have: <module rename-to="myModule"> <inherits name="com.google.gwt.xml.XML" /> <inherits name="com.google.gwt.i18n.I18N"/> <inherits name='com.google.gwt.user.theme.standard.Standard'/> <!-- Specify the app entry point class. --> <entry-point class='com.example.client.MyAppEntryPoint'/> <extend-property name="locale" values="en,fr"/> </module> In the html I have: ... It all seems to work as long as I don't include in the xml file. As soon as I do, I get the following exception: [ERROR] Generator 'com.google.gwt.i18n.rebind.LocalizableGenerator' threw threw an exception while rebinding 'com.example.client.myConstants' java.lang.NullPointerException: null ... Any help would be greatly appreciated on why it's throwing the exception. -

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  • How to speed up WPF programs?

    - by Sam
    I love programming with and for Windows Presentation Framework. Mostly I write browser-like apps using WPF and XAML. But what really annoys me is the slowness of WPF. A simple page with only a few controls loads fast enough, but as soon as a page is a teeny weeny bit more complex, like containing a lot of data entry fields, one or two tab controls, and stuff, it gets painful. Loading of such a page can take more than one second. Seconds, indeed, especially on not so fast computers (read: the customers computers) it can take ages. Same with changing values on the page. Everything about the WPF UI is somehow sluggy. This is so mean! They give me this beautiful framework, but make it so excruciatingly slow so I'll have to apologize to our customers all the time! My Question: How do you speed up WPF? How do you profile bottlenecks? How do you deal with the slowness? Since this seems to be an universal problem with WPF, I'm looking for general advice, useful for many situations and problems. Some other related questions: What tools do you use for WPF development Tools to develop WPF or Silverlight applications

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  • Python: some newbie questions on sys.stderr and using function as argument

    - by Cawas
    I'm just starting on Python and maybe I'm worrying too much too soon, but anyways... log = "/tmp/trefnoc.log" def logThis (text, display=""): msg = str(now.strftime("%Y-%m-%d %H:%M")) + " TREfNOC: " + text if display != None: print msg + display logfile = open(log, "a") logfile.write(msg + "\n") logfile.close() return msg def logThisAndExit (text, display=""): msg = logThis(text, display=None) sys.exit(msg + display) That is working, but I don't like how it looks. Is there a better way to write this (maybe with just 1 function) and is there any other thing I should be concerned under exiting? Now to some background... Sometimes I will call logThis just to log and display. Other times I want to call it and exit. Initially I was doing this: logThis ("ERROR. EXITING") sys.exit() Then I figured that wouldn't properly set the stderr, thus the current code shown on the top. My first idea was actually passing "sys.exit" as an argument, and defining just logThis ("ERROR. EXITING", call=sys.exit) defined as following (showing just the relevant differenced part): def logThis (text, display="", call=print): msg = str(now.strftime("%Y-%m-%d %H:%M")) + " TREfNOC: " + text call msg + display But that obviously didn't work. I think Python doesn't store functions inside variables. I couldn't (quickly) find anywhere if Python can have variables taking functions or not! Maybe using an eval function? I really always try to avoid them, tho. Sure I thought of using if instead of another def, but that wouldn't be any better or worst. Anyway, any thoughts?

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  • problems with scrolling a java TextArea

    - by Jonathan
    All, I am running into an issue using JTextArea and JScrollPane. For some reason the scroll pane appears to not recognize the last line in the document, and will only scroll down to the line before it. The scroll bar does not even change to a state where I can slide it until the lines in the document are two greater than the number of lines the textArea shows (it should happen as soon as it is one greater). Has anyone run into this before? What would be a good solution (I want to avoid having to add an extra 'blank' line to the end of the document, which I would have to remove every time I add a new line)? Here is how I instantiate the TextArea and ScrollPane: JFrame frame = new JFrame("Java Chat Program"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Container pane = frame.getContentPane(); if (!(pane.getLayout() instanceof BorderLayout)) { System.err.println("Error: UI Container does not implement BorderLayout."); System.exit(-1); } textArea = new JTextArea(); textArea.setPreferredSize(new Dimension(500, 100)); textArea.setEditable(false); textArea.setLineWrap(true); textArea.setWrapStyleWord(true); JScrollPane scroller = new JScrollPane(textArea); scroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS); pane.add(scroller, BorderLayout.CENTER); Here is the method I use to add a new line to textArea: public void println(String a) { textArea.append(" "+a+"\n"); textArea.setCaretPosition(textArea.getDocument().getLength()); } Thanks for your help, Jonathan EDIT: Also, as a side note, with the current code I have to manually scroll down. I assumed that setCaretPosition(doc.getLength()) in the println(line) method would automatically set the page to the bottom after a line is entered... Should that be the case, or do I need to do something differently?

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  • C# Windows Mobile 6.5 and TCP connections

    - by Phillip
    Hello, I am developing an application which makes a TCP connection out to our company server to pull down data and provide real-time data updates when the information changes. I am using the .NET Compact Framework for the development and the .NET Framework 3.5 (soon to update to 4.0) for the server-side TCP connection. I want to leave the connection open after the initial data is sent to the device from the server in order to keep the server in contact with the device should data updates need to be sent to the device. We already considered doing a WCF or connect/disconnect type of connection but we believe the overhead on the server for creating the session, transmitting and session cleanup would be unacceptable. (each device would be connecting every 60-90 seconds.) So, leaving the connection open is the best option. What I need to know is, when I leave the TCP connection open, do I need to manually transmit a heartbeat (and if so how do I do that with the .NET Compact Framework) or will the framework/stack do that for me? We have code that allows up to reconnect if the device gets disconnected (from network switching or a voice call) so that is handled. Thanks,

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  • DNN: Registered Mark changing to Question Mark

    - by coultertech
    I am having a problem with registered marks in the HTML module.  We need to use the Registered Trademark symbol (®) but some of them are being changed to question marks.  I can find no ryme or reason behind which change and which remain correct.  I have tried a number of things to fix this issue including the following: Using ® and ® using ® copy and paste of ® in both source and non source and using the "insert special character" from the RTE menu Some of the symbols remain but most revert back to question marks.  If i'm in edit mode, the questions marks change back to the registered mark.  Also sometimes the first time viewing the page not logged in or in view mode, they will look fine. But as soon as I got to edit mode or a new page then go back, they change back to question marks.  I am out of idea as to why this is happening. You can see the page at: http://fasttracsc.twif.net/AboutFastTracSC.aspx  Anywhere you see Fasttrac? it should be Fasttrac® Any help anyone can provide would be much appreciated. Thanks in advance.

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  • Navigating through a sea of hype

    - by wouldLikeACrystalBall
    This is a vague, open question, so if you have no interest in these, please leave now. A few years ago it seemed everyone thought the death of desktop software was imminent. Web applications were the future. Everyone would move to cloud-based software-as-a-service systems, and developing applications for specific end-user platforms like Windows would soon become something of a ghetto. Joel's "How Microsoft Lost the API War" was but one of many such pieces sounding the death knell for this way of software development. Flash-forward to 2010, and the hype is all around mobile devices, particularly the iPhone. Software-as-a-Service vendors--even small ones such as YCombinator startups--go out of their way to build custom applications for the iPhone and other smart phone devices; applications that can be quite sophisticated, that run only on specific hardware and software architectures and are thus inherently incompatible. Now some of you are probably thinking, "Well, only the decline of desktop software was predicted; mobile devices aren't desktops." But the term was used by those predicting its demise to mean laptops also, and really any platform capable of running a browser. What was promised was a world where HTML and related standards would supplant native applications and their inherent difficulties. We would all code to the browser, not the OS. But here we are in 2010 with the AppStore bulging and development for the iPad just revving up. A few days ago, I saw someone on Hacker News claim that the future of computing was entirely in small, portable devices. Apparently the future is underpowered, requires dexterous thumbs and induces near-sightedness. How do those who so vehemently asserted one thing now assert the opposite with equal vehemence, without making even the slightest admission of error? And further, how are we as developers supposed to sift through all of this? I bought into the whole web-standards utopianism that was in vogue back in '06-'07 and now feel like it was a mistake. Is there some formula one can apply rather than a mere appeal to experience?

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  • WPF DataGridTemplateColumn. Am I missing something?

    - by plotnick
    <data:DataGridTemplateColumn Header="Name"> <data:DataGridTemplateColumn.CellTemplate> <DataTemplate> <TextBlock Text="{Binding Name}"> </DataTemplate> </data:DataGridTemplateColumn.CellTemplate> <data:DataGridTemplateColumn.CellEditingTemplate> <DataTemplate> <TextBox Text="{Binding Name}"> </DataTemplate> </data:DataGridTemplateColumn.CellEditingTemplate> </data:DataGridTemplateColumn> It's clear example of Template column, right? What could be wrong with that? So, here is the thing - when a user navigates through DataGrid with hitting TAB-key, it needs to hit the TAB twice(!) to be able to edit text in TextBox. How could I make it editable as soon as the user gets the column focus, I mean even if he just starts typing? Ok. I found a way - into Grid.KeyUp() I put the code below: if (Grid.CurrentColumn.Header.ToString() == "UserName") { if (e.Key != Key.Escape) { Grid.BeginEdit(); // Simply send another TAB press if (Keyboard.FocusedElement is Microsoft.Windows.Controls.DataGridCell) { var keyEvt = new KeyEventArgs(Keyboard.PrimaryDevice, Keyboard.PrimaryDevice.ActiveSource, 0, Key.Tab) { RoutedEvent = Keyboard.KeyDownEvent }; InputManager.Current.ProcessInput(keyEvt); } } }

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  • Why do I get an error 'Cannot resolve symbol <symbolname>' in ReSharper?

    - by drachenstern
    Using VS2008 and R# 5 I'm running into an odd situation, where on an aspx page I keep getting Cannot resolve symbol 'symbolname' But the code compiles and runs fine. While having a fix for this would be great, I'm just trying to figure out if I'm losing my mind. The CodeFile directive and Inherits directives are fine. If I compile the app or just let devenv sit for a bit it'll go away, but as soon as I save the aspx [via ctrl+s] R# suddenly has trouble with the Inherits attribute and flips out on every method in the page (OnClick etc). // Anonymized of course but otherwise intact <%@ Page AutoEventWireup="true" CodeFile="TestPage.aspx.cs" Inherits="TestPage" Language="C#" MasterPageFile="~/MasterPage.master" Title="Test Page Title" %> This is mostly just a grievance, because since the code compiles it doesn't stop me from doing what I need. I would post a bug report to the JetBrains site but first I would like to know I'm not alone. It could be my machine. Maybe when I roll to VS2010 in a couple weeks this will go away?

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  • Report Model; problem regarding many-to-many relations

    - by Koen
    I'm having trouble setting up a report model to create reports with report builder. I guess I'm doing something wrong when configuring the report model, but it might also due to change of primary entity in report builder. I have 3 tables: Client, Address and Product. The Client has PK ClientNumber. The Address and Product both have a FK relation on ClientNumber. The relation between Client and Address is 1-to-many and also between Client and Product: Product-(many:1)-Client-(1:many)-Address. I've created a report model (mostly auto generate) with these 3 tables, for each table I've made an Entity. Now on the Client Entity , I've got 2 roles, Address and Product. They both have a cardinality of 'OptionalMany', because Client can have multiple Addresses or Products. On both Address and Product I have a Client Role with cardinality 'One', because for each Address or Product, there has to be a Client (tried OptionalOne as well...). Now I'm trying to create a report in Report Builder (2.0) where I select fields from these three entities. I'd like an overview of Clients with their main address and their products, but I don't seem to be able to create a report with fields from both Address and Products in it. I start by selecting attributes from Client, and as soon as I add Product for example the Primary entity changes as if I'm selecting Products (instead of Clients). This is a basic example of a problem I'm facing in a much more complex model. I've tried lots of different things for 2 days, but I can't get it to work. Does anyone have an idea how to cope with this? (Using SSRS 2008)

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