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When should I use Kruskal as opposed to Prim (and vice versa)?

...in a very straightforward way : http://www.thestudentroom.co.uk/showthread.php?t=232168. Kruskal's algorithm will grow a solution from the cheapest edge by adding the next cheapest edge, provided that it doesn't create a cycle. Prim's algorithm will grow a solution from a random vertex by adding ...
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Is multiplication and division using shift operators in C actually faster?

...n to shift, shift. If you mean to multiply, multiply. Do what is semantically clearest--your coworkers will thank you later. Or, more likely, curse you later if you do otherwise. share | improve ...
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What do all of Scala's symbolic operators mean?

...se of teaching, into four categories: Keywords/reserved symbols Automatically imported methods Common methods Syntactic sugars/composition It is fortunate, then, that most categories are represented in the question: -> // Automatically imported method ||= // Syntactic sugar ++= // Syn...
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What is the most efficient way of finding all the factors of a number in Python?

Can someone explain to me an efficient way of finding all the factors of a number in Python (2.7)? 22 Answers ...
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What is the best way to exit a function (which has no return value) in python before the function en

...hod i use return, it still keep running code behind a. exit should be like php exit(), it breaks the program instantly. – TomSawyer Sep 24 '17 at 18:29 2 ...
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How to get the parents of a Python class?

... If you want all the ancestors rather than just the immediate ones, use inspect.getmro: import inspect print inspect.getmro(cls) Usefully, this gives you all ancestor classes in the "method resolution order" -- i.e. the order in which ...
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How do I get the path of the current executed file in Python?

...ike a newbie question, but it is not. Some common approaches don't work in all cases: 13 Answers ...
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Build an ASCII chart of the most commonly used words in a given text [closed]

... LabVIEW's very happy in its hardware control and measurement niche, but really pretty awful for string manipulation. – Joe Z Jul 4 '10 at 6:23 ...
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What is the difference between a map and a dictionary?

... terms ("Object" in Javascript, "Hash" in Ruby, "Table" in Lua), but those all have separate meanings in programming too, so I'd avoid them. See here for more info. share | improve this answer ...
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Best way to require all files from a directory in ruby?

What's the best way to require all files from a directory in ruby ? 11 Answers 11 ...