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How to find the kth largest element in an unsorted array of length n in O(n)?

...h order statistic. There's a very simple randomized algorithm (called quickselect) taking O(n) average time, O(n^2) worst case time, and a pretty complicated non-randomized algorithm (called introselect) taking O(n) worst case time. There's some info on Wikipedia, but it's not very good. Everything...
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Connect different Windows User in SQL Server Management Studio (2005 or later)

... use with the "runas" command. Then, in SQL Management Studio 2005, just select the "Windows Authentication" and input the server you wanna connect to (even though the user that you can see greyed out is still the local user)... and it works! Don't ask me why ! :) Edit: Make sure to include ":14...
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How can I reliably determine the type of a variable that is declared using var at design time?

...o resolve the type. For instance: var items = myList.OfType<Foo>().Select(foo => foo.Bar); The return type is IEnumerable<Bar>, but resolving this required knowing: myList is of type that implements IEnumerable. There is an extension method OfType<T> that applies to IEnume...
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How to delete an item in a list if it exists?

... new_tag from a form text field with self.response.get("new_tag") and selected_tags from checkbox fields with 7 Answ...
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Hibernate error - QuerySyntaxException: users is not mapped [from users]

... bean class name is UserDetails Query query = entityManager. createQuery("Select UserName from **UserDetails** "); You do not give your table name on the Db. you give the class name of bean. share | ...
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Install Marketplace plugin on Eclipse Juno

... only such official distribution). However, it is available for download. Select Help/Install new software... from the menu, select the Juno update site (http://download.eclipse.org/releases/juno), and then look for the Marketplace client - it is in the General Purpose Tools category. ...
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UIButton Image + Text IOS

...if you are using Interface Builder, there is a very easy way to do this: Select the button and set a title and an image. Note that if you set the background instead of the image then the image will be resized if it is smaller than the button. Set the position of both items by changing the edge and...
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How can I get Eclipse to show .* files?

...there is a little down arrow. Tool tip will say view menu. From that menu, select filters From there, uncheck .* resources. So Package Explorer -> View Menu -> Filters -> uncheck .* resources. With Eclipse Kepler and OS X this is a bit different: Package Explorer -> Customize View ...
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How can I disable editing cells in a WPF Datagrid?

...into edit mode. I want to prevent that. Instead I want users to be able to select the full row - not edit values in it. 4 ...
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How to read attribute value from XmlNode in C#?

...= new XmlDocument(); //doc.Load(path); doc.LoadXml(xml); var names = doc.SelectNodes("//Employee/@name"); share | improve this answer | follow | ...