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• Filter DataTable to show only the most recent transaction for each user

  - by Dan Neely

  I have a datatable that contains rows of transaction data for multiple users. Each row includes UserID and UserTransactionID columns. What would I use for as a RowFilter in the tables DefaultView to only show the row for each user that has the highest UserTransactionID value? sample data and results UserID UserTransactionID PassesFilter 1 …

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• Programmatically retrieve a form template from a SharePoint library.

  - by Dan Revell

  So an InfoPath form is deployed to a SharePoint server. It gets deployed through central admin and then activated to a particular site collection. This site collection has a forms library with the appropriate content type for the activated InfoPath form. Using the object model, how can I retrieve the form template back out of SharePoint…

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• VS 2010 Layer Diagram Validation Error is Showing A Dependency That Doesn't Even Exist (AV0001)

  - by Dan

  I'm getting the following validation error on my layer diagram Error 65 AV0001 : Invalid Dependency : Weld.Interface.Core(Assembly) -- Weld.Interface(Namespace) Layers: Application Framework Core, Application Framework | Dependencies: Namespace Reference D:\Projects\Windows…

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• File transfer eating alot of CPU

  - by Dan C.

  I'm trying to transfer a file over a IHttpHandler, the code is pretty simple. However when i start a single transfer it uses about 20% of the CPU. If i were to scale this to 20 simultaneous transfers the CPU is very high. Is there a better way I can be doing this to keep the CPU lower?…

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• Problems with GData Request Token

  - by Dan Delgado

  We have successfully used GData libraries to access a user's Google Docs. But we encountered problems when many users log in to our site and authorize our web app at the same time or successively. Here's what happens: First user successful logs in, authorizes our web app via OAuth…

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• Compiling .NET component that uses a non specific required version of a 3rd Party Vendor component

  - by Dan

  If someone were to develop a .NET component that relied on non specific versions of a vendor DLL - let's say it worked with My3rdPartyComponent.dll which is a .NET assembly, but it didn't matter which version. Some instances of classes found in this component would need to be…

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• How to write specs with MSpec for code that changes Thread.CurrentPrincipal?

  - by Dan Jensen

  I've been converting some old specs to MSpec (were using NUnit/SpecUnit). The specs are for a view model, and the view model in question does some custom security checking. We have a helper method in our specs which will setup fake security credentials for the…

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• NHibernate - Stream large result sets?

  - by Dan Black

  Hi, I have to read in a large record set, process it, then write it out to a flat file. The large result set comes from a Stored Proc in SQL 2000. I currently have: var results = session.CreateSQLQuery("exec usp_SalesExtract").List(); I would like to be able…

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• NSMutableArray can't be added to

  - by Dan Ray

  I've had this sort of problem before, and it didn't get a satisfactory answer. I have a viewcontroller with a property called "counties" that is an NSMutableArray. I'm going to drill down a navigation screen to a view that is about selecting the counties for a…

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• PHP - Cannot use Heredoc within a class method?

  - by Dan

  I'm writing the code for a controller method and I need to use it to send an email. I'm trying to use heredoc syntax to fill in the email body, however, the closing tag doesn't seem to be recognized. $this->email = new Email(); $this->email->from =…

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• Any way to cache WAV files in IE?

  - by Dan Howard

  I'm seeing an issue with our web application. We have a few wave files which we can play (like ding.wav) and we have attempted to pre-load wave files but using Fiddler we're seeing that the WAV files are never cached like (js and css and image files). We…

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• Change text fields background colour if negative number using Jquery/CSS

  - by Dan C

  Hi, I have the following text input on a budget calculator form which displays the final balance... <tr><td align="right"><b>Balance: &pound;</b></td><td align="left"><input type="text" class="res" name="res"…

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• What does the symbol :=: mean

  - by Dan Maguire

  I've found the symbol :=: in some Clarion code and I can't seem to figure out exactly what it does. The code was written by a previous developer many years ago, so I can't ask him. I also have not been able to find any results for "colon equals colon"…

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• utf8 and encoding

  - by Dan

  I have a sting in unicode is "hao123--??????", while in utf8 in C++ string is "hao123???????????>", but I should write it to a file in this format "hao123\uFF0D\uFF0D\u6211\u7684\u4E0A\u7F51\u4E3B\u9875", how can I do it. I know little about this…

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• How to read a string one letter at a time in python

  - by dan

  I need to convert a string inputed by a user into morse code. The way our professor wants us to do this is to read from a morseCode.txt file, seperate the letters from the morseCode into two lists, then convert each letter to morse code (inserting a…

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• Scaffolding Web Services in Grails

  - by Dan

  I need to implement a web app, but instead of using relational database I need to use different SOAP Web Services as a back-end. An important part of application only calls web services and displays the result. Since Web Services are clearly defined…

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• partial entity loading and management in silverlight / wcf ria

  - by Dan Wray

  I have a Silverlight 4 app which pulls entities down from a database using WCF RIA services. These data objects are fairly simple, just a few fields but one of those fields contains binary data of an arbitrarily size. The application needs access to…

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• WPF DockPanel doesn't respect the "Filled" control's desired size

  - by Dan Puzey

  I have the following Xaml (simplified for brevity, but will repro the problem in Xamlpad or Kaxaml): <DockPanel Width="400"> <TextBlock DockPanel.Dock="Left" TextWrapping="Wrap"> Lorem ipsum dolor sit amet, consectetur…

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• Python halts while iteratively processing my 1GB csv file

  - by Dan

  I have two files: metadata.csv: contains an ID, followed by vendor name, a filename, etc hashes.csv: contains an ID, followed by a hash The ID is essentially a foreign key of sorts, relating file metadata to its hash. I wrote this script…

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• Why does my Excel add-in only half work?

  - by Dan Crowther

  I've created an Excel add-in using Visual Studio 2008. It has a ribbon, a bunch of panes and code that adds sheets and ranges and gets information scraped from a web page. When I run it on my dev PC it works perfectly. I used the Publish…

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• jQuery/Javascript to replace broken images

  - by Dan Lord

  I have a web page that includes a bunch of images. Sometimes the image isn't available so a broken image is displayed in the clients browser. How do I use jQuery to get the set of images, filter it to broken images then replace the …

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• How can I embed a youtube video using variable widths/heights for a dynamic width web page?

  - by Dan Gayle

  I want to set a youtube video to 100% width so that it scales appropriately in a dynamic width column on a web page I am designing. The problem is that the height doesn't behave like the height of an image. Instead of scaling…

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• Problem with final branch in a parallel activity

  - by Dan Revell

  This might seem like a silly thing to say, the final branch in a parallel activity so I'll clarify. It's a parallel activity with three branches each containing a simple create task, on task changed and complete task. The…

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• IS there a simple way to remove Alt-Character shortcuts at runtime

  - by Dan Neely

  I have a dialog with a number of Alt-Letter shortcuts on labels for textboxes/etc. This dialog can present data in either an editable or a read-only mode. I've received a request to hide the underlines for the shortcuts…

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• cgi.FieldStorage always empty - never returns POSTed form Data

  - by Dan Carlson

  This problem is probably embarrassingly simple. I'm trying to give python a spin. I thought a good way to start doing that would be to create a simple cgi script to process some form data and do some magic. My python…

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