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When should I use Kruskal as opposed to Prim (and vice versa)?
I was wondering when one should use Prim's algorithm and when Kruskal's to find the minimum spanning tree? They both have easy logics, same worst cases, and only difference is implementation which might involve a bit different data structures. So what is the deciding factor?
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How to print a dictionary line by line in Python?
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I know this is old, but I thought it would be worth mentioning that this doesn't work if cars[x] is integers. It isn't what the OP was requesting, so I'm just saying it for anybody that stumbles upon this assuming it's a blanke...
NameValueCollection vs Dictionary [duplicate]
... aren't semantically identical. The NameValueCollection can have duplicate keys while the Dictionary cannot.
Personally if you don't have duplicate keys, then I would stick with the Dictionary. It's more modern, uses IEnumerable<> which makes it easy to mingle with Linq queries. You can even...
How do I auto-submit an upload form when a file is selected?
I have a simple file upload form. How do I make it submit automatically when a file has been selected? I don't want the user to have to click the Submit button.
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How to easily map c++ enums to strings
...s, see this post.
Otherwise, a std::map<MyEnum, char const*> will work nicely. (No point in copying your string literals to std::strings in the map)
For extra syntactic sugar, here's how to write a map_init class. The goal is to allow
std::map<MyEnum, const char*> MyMap;
map_init(MyMap...
Extract part of a regex match
... answered Aug 25 '09 at 10:29
Krzysztof KrasońKrzysztof Krasoń
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How to select all instances of a variable and edit variable name in Sublime
...ust any string) in my code, all other instances of that variable get a stroke (white outline) around them:
9 Answers
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Remove the last character from a string [duplicate]
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Peter Mortensen
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answered Apr 8 '11 at 9:16
anonanon
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in javascript, how can i get the last character in a string [duplicate]
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Jamie DixonJamie Dixon
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Mongoose (mongodb) batch insert?
...reate() is a bad way to do inserts if you are dealing with a very large bulk. It will be very slow. In that case you should use Model.collection.insert, which performs much better. Depending on the size of the bulk, Model.create() will even crash! Tried with a million documents, no luck. Using Model...