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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 does Stack Overflow generate its SEO-friendly URLs?
...rst glance.
This is the second version, unrolled for 5x more performance (and yes, I benchmarked it). I figured I'd optimize it because this function can be called hundreds of times per page.
/// <summary>
/// Produces optional, URL-friendly version of a title, "like-this-one".
/// hand-tun...
Fastest method of screen capturing on Windows
...to use GDI, but I'm curious whether there are other ways to go about this, and, if there are, which incurs the least overhead? Speed is a priority.
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How To: Best way to draw table in console app (C#)
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If you don't need table edges and corners, this works well. Don't forget to use the PadRight(x) or PadLeft(x) to help you with your spacing. For what I needed, I just needed something easy to read, and after removing the |s this did the trick.
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What is the difference between Modal and Push segue in Storyboards?
Can someone explain to me what is the exact difference between modal and push segue?
4 Answers
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How do you downgrade rubygems?
...ve rubygems 1.3.1 installed but I want to go back to 1.2.0. What's the command to downgrade rubygems?
6 Answers
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Purging file from Git repo failed, unable to create new backup
...You can find those in .git/refs/original/…. Either delete that directory and all files within, or use the -f flag to force Git to delete the old references.
git filter-branch -f \
--index-filter 'git rm --cached --ignore-unmatch Rakefile' HEAD
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How to give System property to my test via Gradle and -D
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The -P flag is for gradle properties, and the -D flag is for JVM properties. Because the test may be forked in a new JVM, the -D argument passed to gradle will not be propagated to the test - it sounds like that is the behavior you are seeing.
You can use the sy...
Update one MySQL table with values from another
...ue = original.value)
SET tobeupdated.id = original.id
That should do it, and really its doing exactly what yours is. However, I prefer 'JOIN' syntax for joins rather than multiple 'WHERE' conditions, I think its easier to read
As for running slow, how large are the tables? You should have indexes...
Creating a zero-filled pandas data frame
What is the best way to create a zero-filled pandas data frame of a given size?
6 Answers
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