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  • Using Linq to SQL change events with attribute-based mapping

    - by R Mene
    I'm writing a new ASP.NET MVC2 application using Linq to SQL. This application depends on an existing SQL database. I am using attribute-based mapping to map my database fields to my Linq to SQL entities. I also need to make use of Linq to SQL's On[Property]Changed methods so I can perform change-auditing of database tables within my application. Whereas the documentation explains how to do this when using Linq to SQL's ORM and dbml files (i.e. by writing partial classes), it is not clear how to do with when using attribute-based mapping or when using XML-based mapping. It would be very helpful if someone could describe how to do this.

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  • R: building a simple command line plotting tool/Capturing window close events

    - by user275455
    I am trying to use R within a script that will act as a simple command line plot tool. I.e. user pipes in a csv file and they get a plot. I can get to R fine and get the plot to display through various temp file machinations, but I have hit a roadblock. I cannot figure out how to get R to keep running until the users closes the window. If I plot and exit, the plot disappears immediately. If I plot and use some kind of infinite loop, the user cannot close the plot; he must exit by using an interrupt which I don't like. I see there is a getGraphicsEvent function, but it claims that the device is not supported (X11). Anyway, it doesn't appear to actually support an onClose event, only onMouseDown. Any ideas on how to solve this? edit: Thanks to Dirk for the advice to check out the tk interface. Here is the test code that works: require(tcltk) library(tkrplot) ##function to display plot, called by tkrplot and embedded in a window plotIt<-function(){ plot(x=1:10, y=1:10) } ##create top level window tt<-tktoplevel() ##variable to wait on like a condition variable, to be set by event handler done <- tclVar(0) ##bind to the window destroy event, set done variable when destroyed tkbind(tt,"",function() tclvalue(done) <- 1) ##Have tkrplot embed the plot window, then realize it with tkgrid tkgrid(tkrplot(tt,plotIt)) ##wait until done is true tkwait.variable(done)

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  • Forward horizontal swipe events on UITableView to parent view

    - by D-Nice
    I have a UITableView that I want to have respond to taps and vertical swipes, but still have something like userInteractionEnabled = NO for horizontal swipes. By that I mean, it would not handle touches and pass the touch event back to its superview. Things I've tried that didn't work: returning NO in - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath Overriding touchesBegan/touchesMoved/touchesEnded and passing the event to the next responder Adding gesture recognizers for horizontal swipes and setting cancelsTouchesInView to YES I've been trying to fix this on and off for several weeks, so any help is greatly appreciated!

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  • Custom Control Same Assembly - Visual Web Part

    - by FullyManaged
    Hi, I am working on a Visual Web Part which requires creating a custom control. I am trying to add custom control to the same assembly as Visual Web Part and registering control as: <%@ Register TagPrefix="cus" Namespace="SomeCustomControlNameSpace" % When I am trying to access this its throwing runtime error : Unknown server tag 'cus:ControlName'. Do I need to make any Web.Config entry for this? Any Ideas?

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  • Jquery select events

    - by patxi1980
    Hi everyone, i am working with a select. I want to trigger and event when the user select a value. I am using the event "change", the problem is that if a user open the select but choose the same option that is selected, the triggers doesn't fire. Is there a way to capture the event when a user select an option independently if the option is the same than is the one that was selected? thanks.

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  • VB.NET FileSystemWatcher Multiple Change Events

    - by John
    Hi. I have the following code: Imports System.IO Public Class Blah Public Sub New() InitializeComponent() Dim watcher As New FileSystemWatcher("C:\") watcher.EnableRaisingEvents = True AddHandler watcher.Changed, AddressOf watcher_Changed End Sub Private Sub watcher_Changed(ByVal sender As Object, ByVal e As FileSystemEventArgs) MsgBox(e.FullPath) End Sub End Class When I run it and save changes to a file on my C drive, the code works great, except it executes the watcher_Changed() method four times. Any idea why? The changeType is "4" every time. Thanks.

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  • Get array of elements from event

    - by Anton
    I have few nested DIV elements. For example: <div id='id1'><div id='id2'>content</div></div> I attach event to DIVs event handler using jQuery: $('div').click(function () { //some code }); There will be two events when user click on content. So there will be two simultaneous events. Is it possible to get inside event handler array of objects (DIVs) what have click event? May be it is possible using other framework but jQuery?

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  • how can i check all ul of nested checkboxes

    - by Mike
    Question: I have a category listing which some categories have children, I am trying to create a ALL category that when clicked, will check all sibling checkboxes in that same category. e.g; clicking ALL underneath the MUSIC category would check blues, jazz, rock n roll Code: HTML: <ul name="events-categories" id="events-categories"> <li><input type="checkbox" name="category-events" value="185" placeholder="" id="category-185" class="events-category"> CONVENTIONS <ul class="event-children"> <li><input type="checkbox" name="child-category-all" value="" class="events-child-category-all">ALL</li> <li><input type="checkbox" name="child-category-190" value="190" id="child-category-190" class="child events-child-category">SCIENCE</li> <li><input type="checkbox" name="child-category-191" value="191" id="child-category-191" class="child events-child-category">TECHNOLOGY</li> </ul> </li> <li><input type="checkbox" name="category-events" value="184" placeholder="" id="category-184" class="events-category"> MUSIC <ul class="event-children"> <li><input type="checkbox" name="child-category-all" value="" class="events-child-category-all">ALL</li> <li><input type="checkbox" name="child-category-189" value="189" id="child-category-189" class="child events-child-category">BLUES</li> <li><input type="checkbox" name="child-category-188" value="188" id="child-category-188" class="child events-child-category">JAZZ</li> <li><input type="checkbox" name="child-category-187" value="187" id="child-category-187" class="child events-child-category">ROCK N ROLL</li> </ul> </li> <li><input type="checkbox" name="category-events" value="186" placeholder="" id="category-186" class="events-category"> TRIBUTES</li> </ul>? CSS: .event-children { margin-left: 20px; list-style: none; display: none; }? jQuery So Far: /** * left sidebar events categories * toggle sub categories */ $('.events-category').change( function(){ console.log('showing sub categories'); var c = this.checked; if( c ){ $(this).next('.event-children').css('display', 'block'); }else{ $(this).next('.event-children').css('display', 'none'); } }); $('.events-child-category-all').change( function(){ var c = this.checked; if( c ){ $(this).siblings(':checkbox').attr('checked',true); }else{ $(this).siblings(':checkbox').attr('checked',false); } });? jsfiddle: http://jsfiddle.net/SENV8/

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  • How to create custom media type in WordPress?

    - by OJ2
    I have some custom media (special map points for example) I want to associate custom data player with it and place its instances in media library (so them to be accessible in media gallery), keeping possibility to edit it any time user wants to. how to do it? Sorry for my Eng.Lang feel free to edit this Question.

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  • Manually Dispatching a DocumentEvent for testing UI element validation code

    - by Bassam
    Hi. I'm testing a Swing GUI application using the UISpec4J testing framework. I'm testing validation code on a JTextField, but the framework does not support focus-change events, as it runs the application in a headless fashion. The text field has a DocumentEvent attached to it that activates the validation code. I'm trying to figure out how to dispatch the document event manually to activate the validation code. Trying to dispatch focus or mouse events manually haven't been working for me. Thanks for any help!

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  • Oddities in Linq-to-SQL generated code related to property change/changing events

    - by Lasse V. Karlsen
    I'm working on creating my own Linq-to-Sql generated classes in order to learn the concepts behind it all. I have some questions, if anyone knows the answer to one or more of these I'd be much obliged. The code below, and thus the questions, are from looking at code generated by creating a .DBML file in the Visual Studio 2010 designer, and inspecting the .Designer.cs file afterwards. 1. Why is INotifyPropertyChanging not passing the property name The event raising method is defined like this: protected virtual void SendPropertyChanging() Why isn't the name of the property that is changing passed to the event here? It is defined to be part of the EventArgs descendant that is passed to the event handler, but the method only passes an empty such value to it. 2. Why are the EntitySet<X> attach/detach methods not raising property changed? For an EntitySet<X> reference, the following two methods are generated: private void attach_EmailAddress1s(EmailAddress1 entity) { this.SendPropertyChanging(); entity.Person1 = this; } private void detach_EmailAddress1s(EmailAddress1 entity) { this.SendPropertyChanging(); entity.Person1 = null; } Why isn't SendPropertyChanged also called here? I'm sure I have more questions later, but for now these will suffice :)

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  • Custom extension download problem

    - by SoulReaver
    Hi all, In my web application, I am generating a document with a custom extension and providing the user with the link to download. The download fails with custom extension but goes fine with predefined extensions like "xml". I have no idea what is going wrong! Is this some kind of access rights problem? I am running it under Windows 2003 server! Any help will be highly appreciated! Thanks,

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  • Adding mouse events to dynamically loaded SWF

    - by Josamoto
    I am loading an external SWF using the Loader class, and adding it to the stage with addChild. When trying to add a mouse click event listener to the MovieClip, using addEventListener, nothing happens, the event never fires. Is there a specific way to add listeners to externally loaded movie clips? My code looks somewhat like this: var target:MovieClip = assets["screensaver"] as MovieClip; target.root.addEventListener(MouseEvent.CLICK, onClickScreenSaver, true); addChild(target); The target shows up on the display, but the CLICK event is completely ignored.

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  • Develop a custom file sync provider over file transfer WCF service

    - by user336622
    Hi All I'm trying to develop a custom sync provider to sync files over the internet using WCF service. We already have a file transfer service and it's working in production but I need to implement a custom sync provider on top of it. I've checked the solution in Braynt Likes blog here but this doesn't fulfill my needs. Any advices, guidance, or sample code to help is really appreciated?

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  • custom button captions in .net messagebox?

    - by subrama6
    Is there an easy way to display a messagebox in VB.Net with custom button captions? I came across this, in the SO archives, but it's for managed C++ http://stackoverflow.com/questions/77293/what-is-an-easy-way-to-create-a-messagebox-with-custom-button-text-in-managed-c

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  • Not responding to events?

    - by Legend
    I currently have three Divs and only one of them is in focus at a given time. All of them line up in a film strip fashion. When I click a DIV not in focus, the current one moves to the left or right (depending on the direction) and the new one comes into focus. The divs can have content that has links. So my problem is that upon clicking on the divs not in focus, if I happen to click on a link, the event is captured. Is there anyway I can disable event detection for divs not in focus? What I am looking for is something like: if(div not in focus) disable all links if (div comes into focus) enable all links

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  • Sharepoint Custom Field default template

    - by Mina Samy
    Hi all I want to develop a custom lookup field for sharepoint. I created a class as the following public class CustomLookupControl:BaseFieldControl and overided this method protected override string DefaultTemplateName { get { return base.DefaultTemplateName; } } but when I edit an item I find that the place of the field is empty. my question is that I don't want to implement a custom rendering template for the field, I want to use the default template of the lookup field how can this be achieved.

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  • Setting custom property in msi file

    - by krk
    How to set custom property in a msi file on the fly? I do not want to pass the custom property using msiexec. I want to save the value of the property in the msi file itself based on user log in. Thanks in advance.

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  • Millisecond-Accurate Scheduling of Future Events in C++/CLI

    - by A Grad Student at a University
    I need to create a C++/CLI mixed assembly that can schedule future calls into a native DLL with millisecond accuracy. This will, of course, mean setting a timer (what kind?) for a millisecond or three beforehand, then spinning until the moment and calling the native DLL function. Based on what I've read, I would guess that the callback that the timer calls will need to be native to make sure there are no thunks or GC to delay handling the timer callback. Will the entire thread or process need to be native and CLR-free, though, or can this be done just as accurately with #pragma unmanaged or setting one file of the assembly to compile as native? If so, how? If there is indeed no way to do this in mixed-mode C++/CLI, what would be the easiest way to set up an app/thread (ie, DLL or exe?) to handle it and to get the data back and forth between the native and managed threads/apps?

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  • Swing: does DefaultBoundedRangeModel coalesce multiple events?

    - by Jason S
    I have a JProgressBar displaying a BoundedRangeModel which is extremely fine grained and I was concerned that updating it too often would slow down my computer. So I wrote a quick test program (see below) which has a 10Hz timer but each timer tick makes 10,000 calls to microtick() which in turn increments the BoundedRangeModel. Yet it seems to play nicely with a JProgressBar; my CPU is not working hard to run the program. How does JProgressBar or DefaultBoundedRangeModel do this? They seem to be smart about how much work it does to update the JProgressBar, so that as a user I don't have to worry about updating the BoundedRangeModel's value. package com.example.test.gui; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.BoundedRangeModel; import javax.swing.DefaultBoundedRangeModel; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JProgressBar; import javax.swing.Timer; public class BoundedRangeModelTest1 extends JFrame { final private BoundedRangeModel brm = new DefaultBoundedRangeModel(); final private Timer timer = new Timer(100, new ActionListener() { @Override public void actionPerformed(ActionEvent arg0) { tick(); } }); public BoundedRangeModelTest1(String title) { super(title); JPanel p = new JPanel(); p.add(new JProgressBar(this.brm)); getContentPane().add(p); this.brm.setMaximum(1000000); this.brm.setMinimum(0); this.brm.setValue(0); } protected void tick() { for (int i = 0; i < 10000; ++i) { microtick(); } } private void microtick() { this.brm.setValue(this.brm.getValue()+1); } public void start() { this.timer.start(); } static public void main(String[] args) { BoundedRangeModelTest1 f = new BoundedRangeModelTest1("BoundedRangeModelTest1"); f.pack(); f.setVisible(true); f.setDefaultCloseOperation(EXIT_ON_CLOSE); f.start(); } }

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  • Why Is the sender type null when dealing with events

    - by ChloeRadshaw
    From C# Via CLR: Note A lot of people wonder why the event pattern requires the sender parameter to always be of type Object After all, since the MailManager will be the only type raising an event with a NewMail EventArgs object, it makes more sense for the callback method to be prototyped like this: void MethodName(Mai l Manager sender, NewMail EventArgs e); The pattern requires the sender parameter to be of type Object mostly because of inheritance What if Mai lManager were used as a base class for SmtpMailManager? In this case, the callback method should have the sender parameter prototyped as SmtpMailManager instead of Mail Manager, but this can’t happen because SmtpMai lManager just inherited the NewMai l event So the code that was expecting SmtpMail Manager to raise the event must still have to cast the sender argument to SmtpMailManager In other words, the cast is still required, so the sender parameter might as well be typed as Obj ect The next reason for typing the sender parameter as Obj ect is just fexibility It allows the delegate to be used by multiple types that offer an event that passes a NewMail EventArgs object For example, a PopMai lManager class could use the delegate even if this class were not derived from Mail Manager I just simply cannot understand why the sender is an object - Why can it not be generified? so most of the time we do not need to do generic casts

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