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Negative weights using Dijkstra's Algorithm
I am trying to understand why Dijkstra's algorithm will not work with negative weights. Reading an example on Shortest Paths , I am trying to figure out the following scenario:
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what is reverse() in Django
When I read django code sometimes, I see in some templates reverse() . I am not quite sure what this is but it is used together with HttpResponseRedirect. How and when is this reverse() supposed to be used?
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event Action vs event EventHandler
Is there any different between declaring event Action<> and event EventHandler<> .
7 Answers
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Usages of Null / Nothing / Unit in Scala
I've just read: http://oldfashionedsoftware.com/2008/08/20/a-post-about-nothing/
8 Answers
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Stored procedure slow when called from web, fast from Management Studio
I have stored procedure that insanely times out every single time it's called from the web application.
7 Answers
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How can I read input from the console using the Scanner class in Java?
How could I read input from the console using the Scanner class? Something like this:
15 Answers
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Function in JavaScript that can be called only once
I need to create a function which can be executed only once, in each time after the first it won't be executed. I know from C++ and Java about static variables that can do the work but I would like to know if there is a more elegant way to do this?
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Is there a wikipedia API just for retrieve content summary?
I need just to retrieve first paragraph of a Wikipedia page.
Content must be html formated, ready to be displayed on my website (so NO BBCODE, or WIKIPEDIA special CODE!)
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Is String.Contains() faster than String.IndexOf()?
I have a string buffer of about 2000 characters and need to check the buffer if it contains a specific string.
Will do the check in a ASP.NET 2.0 webapp for every webrequest.
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