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• How can I run code in a C# class definition each time any instance of the class is deserialized?

  - by Ben

  I am trying to derive a class from ObservableCollection and I need to run just a single line of code each and every time any instance of this class is deserialized. My thought was to do this: [Serializable] public class ObservableCollection2<T> : ObservableCollection<T>, ISerializable { public ObservableCollection2() :…

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• Haskell - function (that returns a list) on each element in a list

  - by Ben

  The assignment is to create a multiples function and I essentially want todo the following code: map (\t -> scanl (\x y -> x+y) t (repeat t)) listofnumbers The problem is that the scanl function returns a list of results rather than the one which the map function requires. So is there a function that will allow the return of lists?

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• Could I be writing this code better?

  - by Ben Dauphinee

  Is there any website out there somewhere where a programmer such as myself might be able to post pieces of code to be looked at by more experienced people? I am thinking of something that programmers could use to have advice given on how to improve their ability. I really like the atmosphere here, but am not sure that posting code for review…

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• What's the VB.NET equivalent of this C# code for wiring up and declaring an event?

  - by Ben McCormack

  I'm working on a tutorial to build a media player in Silverlight and am trying to wire up an EventHandler to the timer.Tick event of a DispatchTimer object so that the time of the video is synced with a Slider object. The sample code is in C# and I can't for the life of me figure out the proper syntax in VB.NET with RaiseEvent and/or Handles…

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• WPF: Text wrapping not working

  - by Ben

  I've got a grid defined simply: <Grid Margin="0,5,0,0"> <Grid.ColumnDefinitions> <ColumnDefinition Width="50"></ColumnDefinition> <ColumnDefinition Width="50"></ColumnDefinition> <ColumnDefinition Width="48"></ColumnDefinition> <ColumnDefinition…

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• How to access global variable in a view in Ruby on Rails?

  - by ben

  I have a User model. I have a Session controller, in which I have a global user variable that is assigned as follows: $user = User.authenticate(params[:session][:email], params[:session][:password]) (I've made user global just to try to solve this problem, so if there's a better way please let me know!) I…

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• Is this ruby code thread safe?

  - by Ben K.

  Is this code threadsafe? It seems like it should be, because @myvar will never be assigned from multiple threads (assuming block completes in < 1s). But do I need to be worried about a situation where the second block is trying to read @myvar as it's being written? require 'rubygems' require…

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• Making a textfile into a list in matlab?

  - by Ben Fossen

  I have a textfile and would like to import it onto Matlab and make it a list Person1 name = steven grade = 11 age= 17 Person2 name = mike grade = 9 age= 15 Person3 name = taylor grade = 11 age= 17 There are a few hundred entries like these above. Each are seperated by a blank line I was…

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• google oauth callback

  - by Ben None

  Setting oauth with some providers is always kind of weird; currently hitting a problem concerning the callback, i had made everything work very nicely with google, getting redirected back specifying the callback url in both the get_request_token and redirect url param oauth_callback= but it…

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• How do I format the contents of a DataGrid cell as a Date? as Currency?

  - by Ben McCormack

  I have a Silverlight DataGrid that's being populated with different types of data for each column. I'm trying to figure out how to format some of the contents of the DataGrid's cells, specifically for dates and formatting. I have a date column that's currently displaying like: 3/11/2010…

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• Cant set drop down list selected value in page load

  - by Ben

  Hi, I'm trying to set the selected value of a ddl during page load ie. before databind. This causes "selected value does not exist" errors. So I force a databind, and add a new element if it does not exist in the data source. However it looks like when the databind is performed later in…

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• How can I use PHPUnit to set up and tear down the database using a SQL file?

  - by Ben Dauphinee

  I have a MySQL file that represents my database in a specific state that would allow me to test a class I am working on. What I want to do is have PHPUnit clean and rebuild the database from this file for each test or set of tests. How can I go about that without having to resort to…

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• charset problem?

  - by Ben Fransen

  Hi all, I have a bugging problem. For a website I made there are search engine friendly URL's generated. The only problem is there are ß-chars in the url too. Chars like ö, ï, ä, ü etc. are placed correct. But with the ß-char there is a diamond-icon with a questionmark in it. I…

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• jQuery oembed plugin z-index problem

  - by Ben

  I'm using the jQuery oembed plugin to display videos from a Vimeo feed. The only problem is they display over the top of my navigation menu. I have tried setting the z-index of the menu but this makes no difference. A common suggestion seems to be to set the wmode parameter to…

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• PHP - How can I check if the current date/time is past a set date/time ?

  - by Ben

  I'm trying to write a script that will check if the current date/time is past the 05/15/2010 at 4PM How can I use PHP's date() function to perform this check? I can't think of a neat way to do it .<

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• Has anyone noticed that a WPF file dialog will pass through a click to the UI when double clicking t

  - by Ben

  I have some buttons on my WPF UI and I also need to choose files from time to time. I kept noticing strange problems where when I double-click an item in the file dialog, a button on the main UI would also get clicked. After experimenting, it seems that if you line up an item…

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• How to make the value of one select box drive the options of a second select box

  - by Ben McCormack

  I want to make an HTML form with 2 select boxes. The selected option in the first select box should drive the options in the second select box. I would like to solve this dynamically on the client (using javascript or jQuery) rather than having to submit data to the server. …

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• Parse text/html part of email source using Javascript

  - by Ben McCormack

  Using javascript, I need to parse the Content-Type text/html portion of an email message and extract just the HTML part. Here's an example of the part of the mail source in question: ------=_Part_1504541_510475628.1327512846983 Content-Type: text/html; charset=UTF-8…

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• In the following implementation of static_strlen, why are the & and parentheses around str necessary

  - by Ben

  If I change the type to const char str[Len], I get the following error: error: no matching function for call to ‘static_strlen(const char [5])’ Am I correct that static_strlen expects an array of const char references? My understanding is that arrays are passed as…

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• How can I configure WCF to use x509 certificates over the internet?

  - by Ben Laan

  I need to use an x509 certificate to get secure message level authentication from a rich client via the internet to a secure WCF Web Service. Specifically, I am looking for a working step-by-step guide to setup, configuration, coding, and deployment, including…

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• Facebook offline access step-by-step

  - by Ben

  After searchinge litteraly 1 day on fb and google for an up-to-date and working way to do something seemingly simple: I am looking for a step-by-step explanation to get offline_access for a user for a facebook app and then using this (session key) to retrieve…

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• C++ Generate and store the co-ordinates of an n-cube

  - by Ben

  I want to write a function to generate and store the co-ordinates of an n-cube and I have no idea how to start. Specifically, I wish to generate the co-ordinates for an evenly or randomly distributed cloud of points for this n-cube and store them. What would…

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• Detect if camera is capturing in Flash

  - by Ben

  I'm having trouble with Camera.getCamera() in Flash AS3. If there are multiple camera drivers, it does not necessarily pick the correct one. If the default is the correct, the program works fine; however, if another driver is selected as the default then LED…

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• How to set skin at runtime in Flex 4

  - by Ben

  Hi, I have a bunch of custom controls based on a SkinnableContainer. When adding the control at design time, I can specify a skin by using the skinClass attribute on the tag. I need to add some of these elements during runtime, and I can't figure out how…

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• What's the shortest way to generate a random IP address in Ruby?

  - by Ben

  Just like the title says, wanted for testing purposes. Thanks!

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