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How to convert a set to a list in python?
I am trying to convert a set to a list in Python 2.6. I'm using this syntax:
9 Answers
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Python: most idiomatic way to convert None to empty string?
... This syntax was introduced in 2.5; for earlier versions of Python, you can use return s is not None and s or ''.
– Ben Blank
Jun 24 '09 at 0:16
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How to join two generators in Python?
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In Python (3.5 or greater) you can do:
def concat(a, b):
yield from a
yield from b
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SSH to Elastic Beanstalk instance
...t the public key, as the answer implies by the .pub extension). For Amazon Linux, the default user name is ec2-user. For RHEL5, the user name is often root but might be ec2-user. For Ubuntu, the user name is ubuntu. For SUSE Linux, the user name is root. Otherwise, check with your AMI provider. (cre...
How to break a line of chained methods in Python?
...me effect -- but it puts you in Lisp reading mode in the middle of reading Python, which I find jarring.
– zxq9
May 31 '13 at 1:02
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How to use Boost in Visual Studio 2010
...Boost.IOStreams Bzip2 filters
Boost.IOStreams Zlib filters
Boost.MPI
Boost.Python
Boost.Regex ICU support
Boost.IOStreams Bzip2 filters:
Unarchive the latest version of bzip2 library (1.0.6 as of writing) source files into a directory of your choice (e.g. C:\bzip2-1.0.6).
Follow the second set o...
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
... You could also use for k in b.viewkeys() & a.viewkeys(), when using python 2.7, and skip the creation of sets.
– Martijn Pieters♦
Jun 13 '12 at 10:32
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Compare two MySQL databases [closed]
...ompare utility developed by MySQL themselves which you can use on Windows, Linux or Mac - it can also output SQL statements for both data AND schema changes and does a lot more tests than a simple command line diff could determine.
– Jasdeep Khalsa
Oct 4 '14 at...
OS X Bash, 'watch' command
I'm looking for the best way to duplicate the Linux 'watch' command on Mac OS X. I'd like to run a command every few seconds to pattern match on the contents of an output file using 'tail' and 'sed'.
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What's a standard way to do a no-op in python?
I often find myself writing if / elif / else constructs in python, and I want to include options which can occur, but for which the corresponding action is to do nothing. I realise I could just exclude those if statements, but for readability I find it helps to include them all, so that if you are l...