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Why does one hot encoding improve machine learning performance?
I have noticed that when One Hot encoding is used on a particular data set (a matrix) and used as training data for learning algorithms, it gives significantly better results with respect to prediction accuracy, compared to using the original matrix itself as training data. How does this performance...
Get all attributes of an element using jQuery
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Regex to replace everything except numbers and a decimal point
I have a text field that needs to remain only text or decimal. Here is the code that I'm currently using to replace everything except numbers and a decimal point. Issue is, I can't figure out a regex that will identify everything else
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How to quit scala 2.11.0 REPL?
In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work.
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Capture key press (or keydown) event on DIV element
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How does a UILabel's minimumScaleFactor work?
I have used minimumFontSize before but that function is now deprecated and i don't quite understand how minimumScaleFactor works.
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Array include any value from another array?
What's the most efficient way to test if an array contains any element from a second array?
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CSS - Overflow: Scroll; - Always show vertical scroll bar?
So currently I have:
4 Answers
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How would I get a cron job to run every 30 minutes?
I'm looking to add a crontab entry to execute a script every 30 minutes, on the hour and 30 minutes past the hour or something close. I have the following, but it doesn't seem to run on 0.
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