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• is there a pure C# ZeroConf , bonjour, or dns-sd available?

  - by MandoMando

  I'm building a .net-microframework app that uses Zeroconf. The existing zeroconf solutions all seem to either rely on dns-sd.dll or some other interop function of .net which is not supported in .netmf. Is there a pure C# version of zeroconf (or dns-sd) out there that you know of?

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• Bash: Terminate on Timeout/File Overflow while Executing Command

  - by Chris

  I'm writing a mock-grading script in bash. It's supposed to execute a C program which will give some output (which I redirect to a file.) I'm trying to (1) make it timeout after a certain duration and also (2) terminate if the output file reaches a certain file size limit. Not sure how to go about either of these. Any help? Thanks.

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• Can I set the base path outside of my application directory when binding an image source path to a r

  - by zimmer62

  So I'm trying to display an image that is ouside the path of my application. I only have a relative image path such as "images/background.png" but my images are somewhere else, I might want to choose that base location at runtime so that the binding maps to the proper folder. Such as "e:\data\images\background.png" or "e:\data\theme\images\background.png" <Image Source="{Binding Path=ImagePathWithRelativePath}"/> Is there any way to specify either in XAML or code behind a base directory for those images?

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• How to know when MKPinAnnotationView pin callout opens/closes

  - by JOM

  I want to update pin callout (popup) subtitle either realtime, when I receive some new info from server, or at least when callout opens. So far it looks like pin + callout are created only once at... - (MKAnnotationView *)mapView:(MKMapView *)aMapView viewForAnnotation:(id <MKAnnotation>)annotation ...and then used as-is as long as it exists regardless how many times I tap it closed/open or scroll around keeping it visible. How can I update the subtitle?

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• How to comment out a block of Python code in VIM

  - by Rishabh Manocha

  I was wondering if there was any key mapping in VIM to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position). So basically something that converts the following def my_fun(x, y): return x + y to #def my_fun(x, y): # return x + y I am ok with using either # or """ for commenting out the relevant lines. Ideally, I would also like the same keymapping to uncomment the lines if the given lines have been commented out. Thanks

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• Single Instance Storage layers

  - by Moo

  Hi, I have a data storage requirement which is an excellent candidate for single instance storage and deduplication. Can anyone suggest any .Net compatible libraries or systems which handles SIS and deduplication, either with SQL Server as an actual back end or its own high performance storage engine? What have peoples experiences been with such engines, and are there any pit falls to watch out for? Regards Moo

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• Column variables in Excel?

  - by Ryan

  Let's say I have column A and Column B. Cells in Column A contain either "Y" or "N". How can I set the value of the cell in the corresponding row in Column B with a formula that detects if the cell's value = "N"? Not new to programming logic but to Excel formulas, thanks for your help. -Ryan

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• Macro to alert me when a cell changes value -- popup alert - EXCEL

  - by patrick

  Hey gurus, I am looking to create a macro to alert me when a cell's value changes. The cells in this particular column can have values of either "OVER" or "UNDER". I would like to write code to alert me via a popup (Message: "Cell A crosses under(over)") when the value changes. Thanks, patrick

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• Rolling File appender usage

  - by Anand

  What is a rollingfile appender ? I want my jboss to delete logs either exceeding a maximum size or exceeding a certain date. People on this forum have suggested me to use rollingfile appender. How do I configure it in jboss-log4j.xml file ?

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• NullReferenceException when user control references usercontrol in parent user control

  - by Tony_Henrich

  I have a user control (uc1) which inherits from uc2. uc2 has a user control (uc3) declared in the markup. I am trying to access uc3 from uc1 but I get NullReferenceException. I thought due to inheritance uc3 would instantiate but looks like I am missing a step. page_load event of uc2 doesn't fire either.

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• How to draw the graph in android based on its height and size

  - by Rakesh

  i want to draw a graph in a area and i used a linear layout as area.i want to set the size of the graph area,which should be compatible to small,medium ,default emulators etc.i need to set the size for graph area,how can i do it in xml file for eg in blackberry we use Display.getWidth();Similar is there way to get the width of the display either programmatically or in xml Regards Rakesh Shankar.p

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• How to decouple trac from or align trac with apache authorization

  - by Laizer

  I've had a trac server running for about a year now - chugging along just as expected. Today, I implemented basic authorization on the apache server that trac runs under. Trac now picks up the user as authenticated by Apache, and doesn't allow either logout or a login. I tried to create an apache user with the same name and password as a trac user, but the behavior remained - I can't access trac. How do I align trac with Apache authorization?

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• Facebook Connect for iPhone: How to upload an image (UIImage) to user's wall without having to use j

  - by Crowem

  Is there any way to upload an image (UIImage) directly from an iPhone app to a user's wall/feed? All the samples I see are either using a json-embedded link or they use the photos.upload call with album ID (aid) which results in the user getting the image in his photo album(s). What I want to do is to upload an (UI)Image created (by the user) inside an iPhone app and upload to his/her wall. Is this possible? Sample code would be highly appreciated.

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• Java REPL onsole

  - by Don

  Hi, I'm looking for a console that I can use to test out snippets of Java code. Either a desktop app, or a web app (like the Groovy web console). Ideally, the console should automatically import commonly used package like java.io.* java.util.* So that I can copy and paste code from a class without having to add a bunch of imports. Does such a thing exist? Thanks, Donal

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• rails assets give TypeError (can't dup NilClass)

  - by paleozogt

  I have a rails 3 app that works fine when run under rails s. However, when trying to deploy it to apache2 with fcgi, the asset pipeline breaks. For example, when trying to request /assets/logo.png the log will show: Started GET "/assets/logo.png" for 10.50.10.249 at Tue Apr 10 19:20:39 -0400 2012 TypeError (can't dup NilClass): This happens on either the production or development environments. How can I debug this?

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• How can I resolve circular dependencies in Funq IoC?

  - by Rickard

  I have two classes which I need to reference each other. class Foo { public Foo(IBar bar) {} } class Bar { public Bar(IFoo foo) {} } When I do: container.RegisterAutoWiredAs<Foo, IFoo>(); container.RegisterAutoWiredAs<Bar, IBar>(); and when I try to resolve either interface I get a circular dependency graph which results in an eternal loop. Is there an easy way to solve this in Funq or do you know of a workaround?

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• Database design: OR relation

  - by Ant

  I have a database with a "users" table containing data about my users. Each user is to be linked to a company or a college. I wish to have two separate tables "college" and "company" each with a field "ID". So how do I link each record in the users table to either a company or a college? The basic thing is that I wish to establish an "OR" relationship in the database.

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• Blog: How does Lifehacker implement their comment system?

  - by NickT

  I really like how Lifehacker.com (and Gawker.com) implements their comment system. I believe, but am not certain, they use Movable Type as the platform for their blog. What I like about their comment system is that it's a simple open text field and once you click "Share" it then asks you to register. Question: Anyone know how to accomplish this same functionality with either Wordpress or Movable Type?

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• Who is responsible for calling CoInitialize and CoUninitialize if surrogate process or COM+

  - by arnold

  Who is responsible for calling CoInitialize and CoUninitialize if 1- I host a COM dll within a surrogate process (either by using dcomcnfg utility or COM+ wizard)? 2- I build a ISAPI DLL that contains COM objects?

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• Java REPL shell

  - by Don

  Hi, I'm looking for a REPL shell that I can use to test out snippets of Java code. Either a desktop app, or a web app (like the Groovy web console). Ideally, commonly used Java packages like: java.io.* java.util.* should be automatically imported, so that I can copy and paste code from a class without having to add a bunch of imports. Does such a thing exist? Thanks, Donal

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• Setting style of ContextMenu on subitems

  - by thedesertfox

  I have created a custom style and template for MenuItem and ContextMenu, and for my first level, that works great, but whenever I add a SubMenu item, the style of that ContextMenu reverts back to the default style. How can I make sure that item uses my custom style? I've tried using the <;Style TargetType="ContextMenu" Key="{x:Type ContextMenu}" syntax as well, and it doesn't seem to be overriding it either.

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• onFocusChange code example?

  - by Rich

  I have a form with 2 fields where you can enter in either months or years. How do I setup the form so that if you enter in the years, the months edittext field will be automatically calculated and entered into it's own box. Likewise, I want the years to be calculated if you entered in the months Can anyone give me sample code for this?

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• iPad GLSL. From within a fragment shader how do I get the surface - not vertex - normal

  - by dugla

  Is it possible to access the surface normal - the normal associated with the plane of a fragment - from within a fragment shader? Or perhaps this can be done in the vertex shader? Is all knowledge of the associated geometry lost when we go down the shader pipeline or is there some clever way of recovering that information in either the vertex of fragment shader? Thanks in advance. Cheers, Doug twitter: @dugla

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• Are there any databases that support protocol buffers?

  - by Rob Lachlan

  Are there any databases, in either the SQL or NoSQL worlds, that support protocol buffers? (Support could mean various things, but hopefully would include being able to index on fields in protocol buffers.)

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• What is the best way to make a POST request from cucumber to create a new object?

  - by Jason

  For several of my cuke scenarios, I want to POST the user to a page with an object in the params, so that Rails will make a new object in the database. Is there a convenient way to send a POST+params to an action (either using something in cucumber or rails) or do I have to write my own function using Net::Http?

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