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Getting the count of unique values in a column in bash
I have tab delimited files with several columns. I want to count the frequency of occurrence of the different values in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment?
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Calling a Method From a String With the Method's Name in Ruby
...gth")
# or
a.public_send("length")
which returns 3 as expected
or for a module function
FileUtils.send('pwd')
# or
FileUtils.public_send(:pwd)
and a locally defined method
def load()
puts "load() function was executed."
end
send('load')
# or
public_send('load')
Documentation:
Object...
How can I generate a unique ID in Python? [duplicate]
I need to generate a unique ID based on a random value.
8 Answers
8
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What is the best way to determine the number of days in a month with JavaScript?
I've been using this function but I'd like to know what's the most efficient and accurate way to get it.
15 Answers
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Convert string to Python class object?
...n, I'd like to get a class object out of it if there's a class with that name in the currently defined namespace. Essentially, I want the implementation for a function which will produce this kind of result:
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Determine Whether Integer Is Between Two Other Integers?
How do I determine whether a given integer is between two other integers (e.g. greater than/equal to 10000 and less than/equal to 30000 )?
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show all tags in git log
Why does git log --decorate not display more than one tag per commit?
3 Answers
3
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How to fix “Attempted relative import in non-package” even with __init__.py
I'm trying to follow PEP 328 , with the following directory structure:
18 Answers
18
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How do I create a message box with “Yes”, “No” choices and a DialogResult?
I want to make simple Yes/No choiced MessageBox, but I think it is nonsense to design a form for that. I thought I could use MessageBox, add buttons, etc. to accomplish this. It is simple, but since there is no DialogResult returned, how do I retrieve the result?
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Regex Pattern to Match, Excluding when… / Except between
--Edit-- The current answers have some useful ideas but I want something more complete that I can 100% understand and reuse; that's why I set a bounty. Also ideas that work everywhere are better for me than not standard syntax like \K
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