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How does the Amazon Recommendation feature work?
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It is both an art and a science. Typical fields of study revolve around market basket analysis (also called affinity analysis) which is a subset of the field of data mining. Typical components in such a system include identification of prima...
Is there a way to check if a file is in use?
... will try to access the file before it's been saved back to the filesystem and throw an error: "File in use by another process" .
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Should ol/ul be inside or outside?
Which is standard compliant between these two?
5 Answers
5
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Difference between Array and List in scala
In what cases I should use Array(Buffer) and List(Buffer). Only one difference that I know is that arrays are nonvariant and lists are covariant. But what about performance and some other characteristics?
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Difference between wait and sleep
What is difference between wait and sleep ?
3 Answers
3
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Are arrays passed by value or passed by reference in Java? [duplicate]
...re objects1. Every Java array type has java.lang.Object as its supertype, and inherits the implementation of all methods in the Object API.
... so are they passed by value or by reference? Does it depend on what the array contains, for example references or a primitive type?
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In C#, what is the difference between public, private, protected, and having no access modifier?
All my college years I have been using public , and would like to know the difference between public , private , and protected ?
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Fast permutation -> number -> permutation mapping algorithms
...you have n possibilities, so you can describe this with a number between 0 and n-1. For the position that the next element ends up at, you have n-1 remaining possibilities, so you can describe this with a number between 0 and n-2.
Et cetera until you have n numbers.
As an example for n = 5, consid...
Pandoc markdown page break
Recently I started using Pandoc markdown which seems a good alternative to LaTeX, as my document does not have many mathematical formulas, and I do not have ANY experience with LaTeX, which combined with less than 2 week submission deadline makes it a good solution.
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How do I write a bash script to restart a process if it dies?
I have a python script that'll be checking a queue and performing an action on each item:
8 Answers
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