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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
Is there a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent?
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How to implement a binary tree?
Which is the best data structure that can be used to implement a binary tree in Python?
18 Answers
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What exactly is an HTTP Entity?
Would someone please describe to me what exactly an HTTP entity is?
9 Answers
9
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How to convert a string to an integer in JavaScript?
How do I convert a string to an integer in JavaScript?
27 Answers
27
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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 do I measure time elapsed in Java? [duplicate]
I want to have something like this:
15 Answers
15
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Why do some claim that Java's implementation of generics is bad?
I've occasionally heard that with generics, Java didn't get it right. (nearest reference, here )
13 Answers
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Mapping a function on the values of a map in Clojure
I want to transform one map of values to another map with the same keys but with a function applied to the values. I would think there was a function for doing this in the clojure api, but I have been unable to find it.
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Is volatile expensive?
After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
Setting up a deployment / build / CI cycle for PHP projects
I am a lone developer most of my time, working on a number of big, mainly PHP-based projects. I want to professionalize and automate how changes to the code base are handled, and create a Continuous Integration process that makes the transition to work in a team possible without having to make funda...