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How to use pip with Python 3.x alongside Python 2.x
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There's no Python 2 pip, that depends on the OS you're using. For example on Arch Linux pip --version states that's running on python 3.6 by default.
– Daniel Andrei Mincă
May 18 '17 at 9:12
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What is the difference between Python and IPython?
...project website:
IPython provides a rich toolkit to help you make the most out of using Python, with:
Powerful Python shells (terminal and Qt-based).
A web-based notebook with the same core features but support for code, text, mathematical expressions, inline plots and other rich media...
File input 'accept' attribute - is it useful?
...ndicates that files of the specified type are accepted.
A string whose first character is a U+002E FULL STOP character (.)
Indicates that files with the specified file extension are accepted.
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Split string every nth character?
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>>> line = '1234567890'
>>> n = 2
>>> [line[i:i+n] for i in range(0, len(line), n)]
['12', '34', '56', '78', '90']
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How to test an Internet connection with bash?
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on mac os this does not work via copy-paste: "-bash: ip: command not found ping: illegal option -- w"
– Benedikt S. Vogler
Feb 11 '16 at 13:30
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C++, copy set to vector
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Just use the constructor for the vector that takes iterators:
std::set<T> s;
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What is the difference between a process and a thread?
...threads efficient).
Erlang uses the term "process" because it does not expose a shared-memory multiprogramming model. Calling them "threads" would imply that they have shared memory.
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improv...
How to compare binary files to check if they are the same?
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The standard unix diff will show if the files are the same or not:
[me@host ~]$ diff 1.bin 2.bin
Binary files 1.bin and 2.bin differ
If there is no output from the command, it means that the files have no differences.
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Putting HTML inside Html.ActionLink(), plus No Link Text?
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Craig StuntzCraig Stuntz
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How to add leading zeros for for-loop in shell? [duplicate]
...r i in {01..05}; do echo "$i"; done
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Disclaimer: Leading zeros only work in >=bash-4.
If you want to use printf, nothing prevents you from putting its result in a variable for further use:
$ foo=$(printf "%02d" 5)
$ echo "${foo}"
05
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