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Convert absolute path into relative path given a current directory using Bash
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$ python -c "import os.path; print os.path.relpath('/foo/bar', '/foo/baz/foo')"
gives:
../../bar
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Importing variables from another file?
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I tried to do it, but it seems like python can't find the file1, because I'm getting this error: ImportError: No module named file1
– Hilder Vitor Lima Pereira
May 29 '15 at 23:52
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Setting PayPal return URL and making it auto return?
...umentation for IPN is here: https://www.x.com/sites/default/files/ipnguide.pdf
Online Documentation for IPN: https://developer.paypal.com/docs/classic/ipn/gs_IPN/
The general procedure is that you pass a notify_url parameter with the request, and set up a page which handles and validates IPN notif...
What does “default” mean after a class' function declaration?
...tandard draft
https://github.com/cplusplus/draft/blob/master/papers/n4659.pdf 11.4.2 "Explicitly-defaulted functions":
1 A function definition of the form:
attribute-specifier-seq opt decl-specifier-seq opt declarator virt-specifier-seq opt = default ;
is called an explicitly-defaulted d...
Why do you need to put #!/bin/bash at the beginning of a script file?
... most systems run bash, the "Bourne Again Shell"), scripts can be in bash, python, perl, ruby, PHP, etc, etc. For example, you might see #!/bin/perl or #!/bin/perl5.
PS:
The exclamation mark (!) is affectionately called "bang". The shell comment symbol (#) is sometimes called "hash".
PPS:
Rememb...
How does `is_base_of` work?
...n get a draft for free: open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1804.pdf
– sellibitze
May 26 '10 at 13:16
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Is there still any reason to learn AWK?
... the best tool for the job... and now even though his students like me use python and what not, he sticks to what he knows and works well.
In closing, there is a lot of old code kicking around the world, knowing a little awk isn't going to hurt. It will also make you better *nix person :-)
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Is there a list of Pytz Timezones?
... to know what are all the possible values for the timezone argument in the Python library pytz. How to do it?
7 Answers
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How can I randomize the lines in a file using standard tools on Red Hat Linux?
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A one-liner for python:
python -c "import random, sys; lines = open(sys.argv[1]).readlines(); random.shuffle(lines); print ''.join(lines)," myFile
And for printing just a single random line:
python -c "import random, sys; print random.ch...
How to get a function name as a string?
In Python, how do I get a function name as a string, without calling the function?
12 Answers
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