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Javascript: formatting a rounded number to N decimals
... s.indexOf('.') + 4) s += '0';
(Note that this assumes that the regional settings of the client uses period as decimal separator, the code needs some more work to function for other settings.)
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How are feature_importances in RandomForestClassifier determined?
...erion that you use (e.g. Gini, Entropy, MSE, ...). Its the impurity of the set of examples that gets routed to the internal node minus the sum of the impurities of the two partitions created by the split.
Its important that these values are relative to a specific dataset (both error reduction and t...
Any way to write a Windows .bat file to kill processes? [closed]
...the Task Manager or any other process management app just to get decent performance out of my IDE. Yes, these are processes from programs that my company installs on my machine for security and compliance. What I'd like to do is have a .bat file or script of some kind with which I can kill the proc...
Reading JSON from a file?
I am getting a bit of headache just because a simple looking, easy statement is throwing some errors in my face.
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What are bitwise operators?
...un and haven't really delved into it in either an academic or professional setting, so stuff like these bitwise operators really escapes me.
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How to make a new line or tab in XML (eclipse/android)?
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Why does Java's Arrays.sort method use two different sorting algorithms for different types?
...2), from the docs "This algorithm offers n*log(n) performance on many data sets that cause other quicksorts to degrade to quadratic performance"
– sbridges
Jan 7 '12 at 17:46
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Do browsers send “\r\n” or “\n” or does it depend on the browser?
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JavaScript string newline character?
...s, and Firefox 3.0 on Linux) use \n. They can all handle \n just fine when setting the value, though IE and Opera will convert that back to \r\n again internally. There's a SitePoint article with some more details called Line endings in Javascript.
Note also that this is independent of the actual l...
What is the difference between bottom-up and top-down?
...97 linked a dynamic programming example of finding the maximum independent set in a tree, which corresponds to filling in the blanks in a tree.
(At it's most general, in a "dynamic programming" paradigm, I would say the programmer considers the whole tree, then writes an algorithm that implements...