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Red black tree over avl tree

... balance factor at each node. This takes O(N) extra space. However, if we know that the keys that will be inserted in the tree will always be greater than zero, we can use the sign bit of the keys to store the colour information of a red-black tree. Thus, in such cases red-black tree takes no extra ...
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async at console app in C#? [duplicate]

... Console.WriteLine("Core NLPS Server: Started on port 8080. " + DateTime.Now); while(line != "quit") { Console.Write(": "); line = Console.ReadLine().ToLower(); Console.WriteLine(line); if(line == "?" || line == "help") ...
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How can I find my Apple Developer Team id and Team Agent Apple ID?

...d. I have found it before and I have searched for 30 min without any luck now that i need it. 6 Answers ...
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What's the $unwind operator in MongoDB?

...s.funded_year" } } ]) If we look at the funding_rounds array, we know that for each funding_rounds, there is a raised_amount and a funded_year field. So, unwind will for each one of the documents that are elements of the funding_rounds array produce an output document. Now, in this example,...
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Comma in C/C++ macro

...tructs behind the macro become dependent types, and the typename prefix is now required on the type. You can add it, but type deduction has been broken, so you now have to manually list the type arguments to call the function. I ended up using temple's method of defining a macro for the comma. It mi...
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Group by multiple columns in dplyr, using string vector input

...as the expression is wrapped in a call to vars(). – knowah Aug 15 '19 at 14:13 @Khashir yes, this answer still works @...
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Getting “unixtime” in Java

...a 8 you can use import java.time.Instant ... long unixTimestamp = Instant.now().getEpochSecond(); Instant.now() returns an Instant that represents the current system time. With getEpochSecond() you get the epoch seconds (unix time) from the Instant. ...
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Combining multiple commits before pushing in Git [duplicate]

... Anyone know if you can have a multiple lined commit msg in your "pick" line, or will it confuse the parser? – EhevuTov Oct 9 '14 at 20:44 ...
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How to properly document S4 class slots using Roxygen2?

... answer for Roxygen2 5.0.1, current as of 6.0.1 For S4, the best practice now is documenting using the @slot tag: #' The title for my S4 class that extends \code{"character"} class. #' #' Some details about this class and my plans for it in the body. #' #' @slot myslot1 A logical keeping track of ...
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Nexus 7 not visible over USB via “adb devices” from Windows 7 x64

...t was only the above (changing to PTP) that enabled my Nexus 7 to show up. Now on to adding support for my apps for tablets - Thanks so much! – Robbe Aug 31 '12 at 18:18 6 ...