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Why is it recommended to have empty line in the end of a source file?
Some code style tools recommend this and I remember seeing some unix command line tools warning about missing empty line.
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Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
I'm working for a foundation that raises awareness for accessibility in the internet. For a presentation, we want to offer a small workshop that simulates different disabilities/impairments to people. This is done via a website created especially for this presentation.
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Cluster analysis in R: determine the optimal number of clusters
Being a newbie in R, I'm not very sure how to choose the best number of clusters to do a k-means analysis. After plotting a subset of below data, how many clusters will be appropriate? How can I perform cluster dendro analysis?
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Combine the first two commits of a Git repository?
Suppose you have a history containing the three commits A, B and C :
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Storing SHA1 hash values in MySQL
I have a simple question which occured when I wanted to store the result of a SHA1 hash in a MySQL database:
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How to parse a date? [duplicate]
I am trying to parse this date with SimpleDateFormat and it is not working:
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How do you get a string to a character array in JavaScript?
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Note: This is not unicode compliant. "I????U".split('') results in the
4 character array ["I", "�", "�", "u"] which can lead to dangerous
bugs. See answers below for safe alternatives.
Just split it by an empty string.
var output = "Hell...
Suppress deprecated import warning in Java
In Java, if you import a deprecated class:
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ViewPager.setOffscreenPageLimit(0) doesn't work as expected
The fragments I use in my ViewPager instance are quite resource intensive, so I'd only like to load one at a time. When I try the following:
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Can dplyr package be used for conditional mutating?
Can the mutate be used when the mutation is conditional (depending on the values of certain column values)?
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