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• Listen to HTML/CSS events of web page

  - by David Metcalfe

  I'm looking for a way to listen for an event in the HTML/CSS of a webpage. Basically, a website I use at work lists queues and appointments, which flag as yellow/red based on the amount of time late on taking said appointment. Other than this visual aide, there is no alert of any kind, which is a failing point if one is juggling multiple windows and doesn't notice. What I would like to do is put together a simple way to watch for the tag ID or perhaps the flag hex color, and then alert me in a way of my choosing. The work environment is on OS X, so I presume I'm looking at an Objective-C centric solution unless Applescript is capable of doing this. Any help would be greatly appreciated.

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• Refresh combo box in Windows Form VB.NET

  - by fireBand

  Following is the code to populate combobox using DataSource Dim CountryList As Array = MyCtrl.GetAllCountries With cbCountyList .DataSource = CountryList .DisplayMember = "CountryName" .ValueMember = "CountryID" End With After adding a new COuntry Name to Database I want to reflect the changes in combobox. Repeating this code is not an option becasue it triggers SelectIndexChange event and had to do some crappy work around to avoid that. So I was wondering if there is way to refresh the combobox list. I actually thought binding with the DataSource property supposed to do it automatically. I also tried cbCountyList.Refresh() Thanks in advance.

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• StreamInsight 2.1 Released

  - by Roman Schindlauer

  The wait is over—we are pleased to announce the release of StreamInsight 2.1. Since the release of version 1.2, we have heard your feedbacks and suggestions and based on that we have come up with a whole new set of features. Here are some of the highlights: A New Programming Model – A more clear and consistent object model, eliminating the need for complex input and output adapters (though they are still completely supported). This new model allows you to provision, name, and manage data sources and sinks in the StreamInsight server. Tight integration with Reactive Framework (Rx) – You can write reactive queries hosted inside StreamInsight as well as compose temporal queries on reactive objects. High Availability – Check-pointing over temporal streams and multiple processes with shared computation. Here is how simple coding can be with the 2.1 Programming Model: class Program {     static void Main(string[] args)     {         using (Server server = Server.Create("Default"))         {             // Create an app             Application app = server.CreateApplication("app");             // Define a simple observable which generates an integer every second             var source = app.DefineObservable(() =>                 Observable.Interval(TimeSpan.FromSeconds(1)));             // Define a sink.             var sink = app.DefineObserver(() =>                 Observer.Create<long>(x => Console.WriteLine(x)));             // Define a query to filter the events             var query = from e in source                         where e % 2 == 0                         select e;             // Bind the query to the sink and create a runnable process             using (IDisposable proc = query.Bind(sink).Run("MyProcess"))             {                 Console.WriteLine("Press a key to dispose the process...");                 Console.ReadKey();             }         }     } }   That’s how easily you can define a source, sink and compose a query and run it. Note that we did not replace the existing APIs, they co-exist with the new surface. Stay tuned, you will see a series of articles coming out over the next few weeks about the new features and how to use them. Come and grab it from our download center page and let us know what you think! You can find the updated MSDN documentation here, and we would appreciate if you could provide feedback to the docs as well—best via email to [email protected]. Moreover, we updated our samples to demonstrate the new programming surface. Regards, The StreamInsight Team

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• How do I drag and drop a folder in Winforms?

  - by Tuntuni

  I would like to know how to drag & drop the folder and get its name. I already know how to do it with a file, but I'm not really sure how to modify it to be able to drag folders as well. Here's the code of the event that is triggered when a file is dropped. private void checkedListBox_DragDrop(object sender, DragEventArgs e) { if (e.Data.GetDataPresent(DataFormats.FileDrop)) { //I'm only interested in the first file, even if there were multiple files //dropped string fileName = ((string[])e.Data.GetData(DataFormats.FileDrop))[0]; } } Thanks, Tuntuni.

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• How can I disable the F4 key from showing the items in a ComboBox

  - by Alex

  You might not know this, but pressing the F4 key on a ComboBox makes it's drop-down item list appear. I believe this is the default behavior on Windows. Does anyone know how to override this behavior in WPF (C#)? I know that overriding default behavior is generally seen as bad practice, however in this case I have a rugged-device that runs XP Embedded. It has a handful of prominent Function keys (F1-F6) that need to trigger different events. This works fine, however when focused over a ComboBox the events aren't triggered as the ComboBox drops down. I have tried catching the KeyDown event both on the form and on the ComboBox and listening for the F4 key, however it doesn't get this far as the key press must be handled at a lower level. Any ideas? Thanks.

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• Does JavaScript have an equivalent to Perl's DESTROY method?

  - by Eric Strom

  Is there any method that is called or event that is dispatched right before an Element is cleaned up by the JavaScript garbage collector? In Perl I would write: package MyObj; sub new {bless {}} sub DESTROY {print "cleaning up @_\n"} and then later: { my $obj = MyObj->new; # do something with obj } # scope ends, and assuming there are no external references to $obj, # the DESTROY method will be called before the object's memory is freed My target platform is Firefox (and I have no need to support other browsers), so if there is only a Firefox specific way of doing this, that is fine. And a little background: I am writing the Perl module XUL::Gui which serves as a bridge between Perl and Firefox, and I am currently working on plugging a few memory leaks related to DOM Elements sticking around forever, even after they are gone and no more references remain on the Perl side. So I am looking for ways to either figure out when JavaScript Elements will be destroyed, or a way to force JavaScript to cleanup an object.

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• Would this rollback/stop all records from inserting?

  - by chobo2

  Hi I been going through this tutorial http://www.codeproject.com/KB/linq/BulkOperations_LinqToSQL.aspx and them make a SP like this CREATE PROCEDURE [dbo].[spTEST_InsertXMLTEST_TEST](@UpdatedProdData nText) AS DECLARE @hDoc int exec sp_xml_preparedocument @hDoc OUTPUT,@UpdatedProdData INSERT INTO TBL_TEST_TEST(NAME) SELECT XMLProdTable.NAME FROM OPENXML(@hDoc, 'ArrayOfTBL_TEST_TEST/TBL_TEST_TEST', 2) WITH ( ID Int, NAME varchar(100) ) XMLProdTable EXEC sp_xml_removedocument @hDoc Now my requirements require me to mass insert and mass update one after another. So first I am wondering can I merge those into one SP? I am not sure how it works with this OPENXML but I would think it would just be making sure that the XPath is right. Next what happens while it would be running this combined SP and something goes wrong. Would it roll back all the records or just stop and the records that happened before this event that crashed it would be inserted?

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• Counting array in API JSON Response

  - by bryan

  I'm trying to do a simple count of how many refunds are in my Stripe Response but count() isn't working and I don't really know any other way of achieving this. Could anyone point me in the right direction? $retrieve_event = Stripe_Event::retrieve("evt_00000000000000"); $event_json_id = json_decode($retrieve_event); $refund_array = $event_json_id->{'data'}->{'object'}->{'refunds'}; die(count($refund_array)); This is the response of $retrieve_event { "created": 1326853478, "livemode": false, "id": "evt_00000000000000", "type": "charge.refunded", "object": "event", "request": null, "data": { "object": { "id": "ch_00000000000000", "object": "charge", "created": 1402433517, "livemode": false, "paid": true, "amount": 1000, "currency": "usd", "refunded": true, "card": { "id": "card_00000000000000", "object": "card", "last4": "0028", "type": "Visa", "exp_month": 8, "exp_year": 2015, "fingerprint": "a5KWlTcrmCYk5DIYa", "country": "US", "name": "First Last", "address_line1": "null", "address_line2": null, "address_city": "null", "address_state": "null", "address_zip": "null", "address_country": "US", "cvc_check": null, "address_line1_check": "fail", "address_zip_check": "pass", "customer": "cus_00000000000000" }, "captured": true, "refunds": [ { "id": "re_104CKt4uGeYuVLAahMwLA2TK", "amount": 100, "currency": "usd", "created": 1402433533, "object": "refund", "charge": "ch_104CKt4uGeYuVLAazSyPqqLV", "balance_transaction": "txn_104CKt4uGeYuVLAaSNZCR867", "metadata": {} }, { "id": "re_104CKt4uGeYuVLAaDIMHoIos", "amount": 200, "currency": "usd", "created": 1402433539, "object": "refund", "charge": "ch_104CKt4uGeYuVLAazSyPqqLV", "balance_transaction": "txn_104CKt4uGeYuVLAaqSwkNKPO", "metadata": {} }, { "id": "re_4CL6n1r91dY5ME", "amount": 700, "currency": "usd", "created": 1402434306, "object": "refund", "charge": "ch_4CL6FNWhGzVuAV", "balance_transaction": "txn_4CL6qa4vwlVaDJ" } ], "balance_transaction": "txn_00000000000000", "failure_message": null, "failure_code": null, "amount_refunded": 1000, "customer": "cus_00000000000000", "invoice": null, "description": "this is a description", "dispute": null, "metadata": {}, "statement_description": "this is a description", "fee": 0 } } }

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• Put specific tds from a table row into edit using jQuery (then update w/ ajax)

  - by bbqsauced

  I'm somewhat new to jQuery, so I could use some help here. This is my issue: I have a php script outputting a dynamic table. Each row has an "edit" button, plus some other fields. Only 3 of those need to be turned into an input box. The edit button should only put that specific row into "edit mode." I got as far as assigning each row a unique class by adding a number to the end of it. I have been able to use jQuery to change all of the rows into edit mode, but I need it to be specific to a row. An example row would have classes like name0, price0, and desc0. The next row would go on to classes name1, price1, and desc1 (for the fields that need changed). How can I reference these values and pass them to jQuery so it processes an event on just those elements?

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• Workflowing an InfoPath form

  - by Donaldinio

  I have an InfoPath form that requires workflow. The form is build from a cXML schema in BizTalk,then dropped into a forms library for workflow. The user opens the infopath form, reviews and picks one of several options: re-submit, archive, escalate, etc. My question is how best to workflow this? Do you have the buttons on the form update a status/action field, and have the workflow listen for an onChange event? Can you update a property on the library, that is not a field on the form? for example, if status is not part of the form schema, but is a column on the document library. How do ye typically do this? thanks.

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• WPF List of ViewModels bound to list of Model objects.

  - by Eric

  In the model, I have: public ObservableCollection<Item> Items { get; private set; } In the ViewModel, I have a corresponding list of ItemViewModels: public ObservableCollection<ItemViewModel> ItemViewModels ... In the XAML, I will bind (in this case a TreeView) to the ItemViewModels property. My question is, what goes in the "..." in the ViewModel shown above? I am hoping for a line or two of code to binds these two ObservableCollections (providing the type of the ViewModel to construct for each model object). However, what I'm fearing is necessary is a bunch of code to handle the Items.CollectionChanged event and manually updates the ItemViewModels list by constructing ViewModels as necessary. Thanks! Eric

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• repeat text animation, as3

  - by pixelGreaser

  Hi, My text animation works perfectly, but doesn't repeat. How do I get this to repeat? Sorry I don't know Flash that well, but I just want this to play over and over. Thanks. var myArray:Array = ["Big", "Holiday", "Sale", "Buy", "Now", "And", "Save"]; Timer var tm:Timer = new Timer(500,0); tm.addEventListener(TimerEvent.TIMER, countdown); function countdown(event:TimerEvent) { if (myArray.length>0){ tx.text = myArray.shift(); } } tm.start(); I tried this if (++myArray.length % 10 == 0)

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• Excel VBA: can delete validation but not add new one

  - by user1882965

  My code is as follows If Cells(Target.Row, 2) = "" And (Cells(Target.Row, 3) = "" Or Cells(Target.Row, 3) = "") Then Sheets("MySheet").Activate Cells(Target.Row, 3).Activate ActiveCell.Validation.Delete If (Cells(Target.Row, 2) = "Type A") Then ActiveCell.Validation.Add Type:=xlValidateList, AlertStyle:=xlValidAlertStop, Operator:=xlBetween, Formula1:="=AvailableVersions" ElseIf (Cells(Target.Row, 2) = "Type B") Then ActiveCell.Validation.Delete Else ActiveCell.Validation.Add Type:=xlValidateWholeNumber, AlertStyle:=xlValidAlertInformation, Formula1:="0", Formula2:="9999999" End If End If So the issue I am having comes whenever I reach ActiveCell.Validation.Add Run Time Error '1004': Application-defined or object-defined error Not a very helpful error, and also this occurs with both number and list validation type, so I am sure it is not an issue with the list itself which has workbook level scope anyway. It never occurs on ActiveCell.Validation.Delete which I find weird? I have been all over google trying to find a solution, and most suggest that it is caused by running dynamic validation code from a button which hogs focus despite the Activate call, but I am running on sheet change event rather than on button press so I don't think this is my issue - any ideas? I've wasted basically a whole day on this! :(

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• Does the jQuery .unbind() method only work on jQuery created events?

  - by Roberto Sebestyen

  I am trying to unbind all event handlers for all elements that are inside a particular container. Like a DIV. But those events have been bound/registered not using jQuery. Some are bound the manual way with onclick="...." or using regular native JavaScript. But when i do something like this $('#TheDivContainer').find('div,td,tr,tbody,table').unbind(); It does not appear to work. Which leads me to believe that the .unbind() only works if the events have been originally bound by jQuery. Is that true? Is there another way of unbinding all events from a group of elements ? Thanks!

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• Creating anonymous functions in loop with not the same arguments

  - by onio9

  Hello! I want to make in loop set of buttons, and add to them some events, but anonymous functions is the same. I write example code: for(var i:int=0;i<5;i++) { var button:SimpleButton = new SimpleButton(...); ... button.addEventListener(MouseEvent.CLICK, function(event:MouseEvent):void { trace(i); }); } ... And I want to trace 1,2,3.. from click buttons instead of 4,4,4,4 .. Do you know how can I make this ?

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• Java serial comm notifyOnDataAvailable configure receive buffer size?

  - by fred basset

  Hi All, I have a Java serial driver that's using the notifyOnDataAvailable mode to enable async. receive notification. I see an occasional problem where the SerialPortEvent.DATA_AVAILABLE serial event is not called until a relatively large no. of characters have been received (e.g. 34). The problem is that the sender sent a 20 byte packet, so the Java receiver did not send an ACK until the sender did a retry of the 20 byte send. Is there any way in Java COMM to configure the size of the receive buffer?

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• How to get the Jquery row ID on single click

  - by kumar

  var value; $("#Grid1").click(function(e) { var row = jQuery(e.target).parent(); value= row.attr("id"); }); var onrowclick = function() { ("#Grid1").click($("#showgrid").load('/Names/Friends/satish/' + value)); }; i am trying to send the value on URL.. when I am giving like this I am not getting the output result... am I doing this correctly? is the problem that I am handling click event on same grid two times?

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• The correct point in time to read an ASP .NET 1.1 control property in order to change page output

  - by RossMan

  Using ASP .NET 1.1 with CMS 2002 and C#. Trying to read the contents of a CMS HTML placeholder control into a string reader object so certain logic can be performed and the page output modified before it is displayed: StringReader srHtml = new StringReader(this.HtmlPlaceholderControl1.Html); The problem is that the Html property is empty during Page_Load, I've tried in a PreRender overload as well, but the property is still empty. The HtmlPlaceholder control does render html when the page load has completed. Which event should be handled in order to read the propery of the web control?

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• C# NetworkAvailibilityChanged doesn't trigger on disconnect

  - by Nickolay Kondratyev

  My goal is to detect when the Ethernet cable gets disconnected I am attempting to use NetworkChange class but the event NetworkAvailibilityChanged does not trigger when I unplug Ethernet cable. NetworkAddressChanged does get triggered in about 8 seconds but NetworkAvailibilityChanged never does, is there is anything am I am missing? public partial class Form1 : Form { public Form1() { InitializeComponent(); NetworkChange.NetworkAvailabilityChanged += new NetworkAvailabilityChangedEventHandler(NetworkChange_NetworkAvailabilityChanged); NetworkChange.NetworkAddressChanged += new NetworkAddressChangedEventHandler(NetworkChange_NetworkAddressChanged); } void NetworkChange_NetworkAvailabilityChanged(object sender, NetworkAvailabilityEventArgs e) { Console.WriteLine("NetworkChange_NetworkAvailabilityChanged"); } void NetworkChange_NetworkAddressChanged(object sender, EventArgs e) { Console.WriteLine("NetworkChange_NetworkAddressChanged"); } }

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• How to improve performance of opening Microsoft Word when automated from c#?

  - by Abdullah BaMusa

  I have Microsoft Word template that I automated filling it’s fields from my application, and when the user request print I open this template. but creating word application every time user request print after filling fields is very expensive and lead to some delay while opening the template, so I choose to cache the reference to Word then just open the new filled template. that solve the performance issue as opening file is less expensive than recreating Word each time, but this work while the user just close the document not the entire Word application which when happened my reference to Word become invalid and return with exception says: “The RPC server is unavailable” next time request opening template . I tried to subscribe to BeforClosing event but his trigger for Quitting Word as well as Closing documents. My question is how to know if the word is closing document or quit the entire application so I take the proper action, or any hint for another direction of thinking about improve performance of opening word template.

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• progressbar to be updated on selected index changed of a combo box

  - by joy

  hi, i am developing a windows application using C#.net and i am having a combobox with some list items .on selected index changed event of the combo box i need to have the progess bar to be visible and should disappear after retrieving some data. i am trying inthe way: for (int i = progressBar1.Minimum; i <= progressBar1.Maximum; i++) { progressBar1.PerformStep(); } panel1.Visible = false; where my progress bar is placed in panel1. but i am getting the progess bar when i first run my application after that when ever combobox item is changed the progress abr is not visible. i need the solution asap... Thanks in advance!

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• grayscaling images and refering the original image back.

  - by dilip

  I know how to grayscale an image. I am using jquery accordion and I have images on every accordion header. I want to change the image to grayscale when the accordion is active and change the image back to its original form when the accordion is not active. I am using the event accordionChange. The problem is that I am not able to save the original image. Please help. Also after grayscaling I tried to give the original src directly as document.getElementById("imgId").src = "images/pic.jpg"; This is not working.

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• NServiceBus - Message Sent to and Removed from Queue, but Never Fire IHandleMessages.Handle

  - by grefly

  First let me state, today is my first day using NSesrviceBus - so I hope my question isn't too elementary. I have managed to set up Sender, Receiver, and Messages projects. When I debug the Sender, I see the messages show up in the configured queue. When I debug the Receiver, the messages are removed from the queue. However, my IHandleMessages Handle event never fires, and no Console output is displayed. I'm sure I've done something wrong (I think I may have mixed tutorials from different versions of NServiceBus) - any suggestions would be appreciated.

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• How to show ajax loading gif only for a specific request?

  - by innerJL

  How do you show ajax gif only for a specific request? For example my page is calling a web-service every 30 seconds in a background, and I don't want to show the gif during this callback. On the other hand I want to show the gif, when I'am making manual ajax requests. I am using jQuery. edit: I didn't setup the global handler as shown here http://api.jquery.com/ajaxStart/, just by attaching to the .ajaxStart event. But I don't want to show/hide the gif manually on every request too. I need some generic solution.

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• Handling download abort in PHP

  - by Aron Rotteveel

  Is it somehow possible to handle a download abort in PHP? In this specific case I am not speaking of a connection abort, but handling the event that triggers when the 'cancel' button in the browser download dialog button is clicked. Since this dialog already interprets the headers of the file that is to be download but does not actually start the download, it only seems logical there should be some way to catch this. Small (pseudo) code example to clear things up: // set some headers header('...'); // Question: what happens between the part where the headers are sent // and the actual data is being outputted to the client? IE: this is the part // where the download dialog should show up // Logical question that follows is: is there a way to detect a 'cancel'? $filename = '/some/file.txt'; $handle = fopen($filename, 'rb'); // output data to client while (!feof($handle)) { echo fread($handle, 8096); } fclose($handle);

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