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Best way to simulate “group by” from bash?
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sort ip_addresses | uniq -c
This will print the count first, but other than that it should be exactly what you want.
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Is there a way to 'pretty' print MongoDB shell output to a file?
...want to print the results of a mongodb find() to a file. The JSON object is too large so I'm unable to view the entire object with the shell window size.
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fs: how do I locate a parent folder?
How do I write this to go back up the parent 2 levels to find a file?
11 Answers
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Keyboard shortcut to comment lines in Sublime Text 3
... anybody know the right default keyboard shortcuts for Linux and MacOS? Or is it a bug?
26 Answers
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Large, persistent DataFrame in pandas
...oblems with read_csv on large files caused by some complex Python internal issues (this is vague but it's been known for a long time: http://github.com/pydata/pandas/issues/407).
At the moment there isn't a perfect solution (here's a tedious one: you could transcribe the file row-by-row into a pre...
Are parameters in strings.xml possible? [duplicate]
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answered Mar 7 '10 at 19:46
Christopher OrrChristophe...
What are type lambdas in Scala and what are their benefits?
...for the right projection of Either[A, B]. The monad typeclass looks like this:
trait Monad[M[_]] {
def point[A](a: A): M[A]
def bind[A, B](m: M[A])(f: A => M[B]): M[B]
}
Now, Either is a type constructor of two arguments, but to implement Monad, you need to give it a type constructor of on...
Query to count the number of tables I have in MySQL
... a quick command line query to count the number of tables in my database. Is that possible? If so, what is the query?
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Android: How can I validate EditText input?
...do form input validation on a series of EditTexts. I'm using OnFocusChangeListeners to trigger the validation after the user types into each one, but this doesn't behave as desired for the last EditText.
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Site does not exist error for a2ensite
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Solved the issue by adding .conf extension to site configuration files.
Apache a2ensite results in:
Error! Site Does Not Exist
Problem; If you found the error while trying to enable a site using:
sudo a2ensite example.com
but ...