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How can I select random files from a directory in bash?
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If you have Python installed (works with either Python 2 or Python 3):
To select one file (or line from an arbitrary command), use
ls -1 | python -c "import sys; import random; print(random.choice(sys.stdin.readlines()).rstrip())"
To...
How to modify list entries during for loop?
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Why does Python only make a copy of the individual element in the syntax for i in a though? This is very counterintuitive, seemingly different from other languages and has resulted in errors in my code that I had to debug for a long p...
Exploring Docker container's file system
...ere is no shell you can install it - for instance in dockerfile for alpine linux (which indeed doesn't have shell) by: RUN apk update && apk add bash (size: ~4MB)
– Kamil Kiełczewski
May 11 '17 at 18:55
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foreach with index [duplicate]
Is there a C# equivalent of Python's enumerate() and Ruby's each_with_index ?
10 Answers
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How to search and replace text in a file?
How do I search and replace text in a file using Python 3?
15 Answers
15
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Difference between del, remove and pop on lists
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I thought del was a python 2 syntax holdover like print, but it still works in python 3.
– jxramos
Sep 1 '17 at 20:12
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What are some resources for getting started in operating system development? [closed]
... to do is develop my very own operating system (not necessarily fancy like Linux or Windows, but better than a simple boot loader which I've already done).
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What is the purpose of class methods?
I'm teaching myself Python and my most recent lesson was that Python is not Java , and so I've just spent a while turning all my Class methods into functions.
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How do I run Redis on Windows?
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Update
If you have Windows Subsystem for Linux (WSL), natively on Windows 10 and Windows Server 2019 you can do it per
Ogglas answer
I found one more simple way to install Redis under Windows
Download the latest Redis .msi file from
https://github.com/MSOpenTe...
How to convert list of tuples to multiple lists?
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From the python docs:
zip() in conjunction with the * operator can be used to unzip a list:
Specific example:
>>> zip((1,3,5),(2,4,6))
[(1, 2), (3, 4), (5, 6)]
>>> zip(*[(1, 2), (3, 4), (5, 6)])
[(1, 3, 5), (2...