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Code for Greatest Common Divisor in Python [closed]
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It's in the standard library.
>>> from fractions import gcd
>>> gcd(20,8)
4
Source code from the inspect module in Python 2.7:
>>> print inspect.getsource(gcd)
def gcd(a, b):
"""Calculate the Greatest Common Divisor of a and b.
U...
Convert integer into byte array (Java)
...Array(0xAABBCCDD);
Result is {0xAA, 0xBB, 0xCC, 0xDD}.
Its reverse is fromByteArray() or fromBytes():
int intValue = Ints.fromByteArray(new byte[]{(byte) 0xAA, (byte) 0xBB, (byte) 0xCC, (byte) 0xDD});
int intValue = Ints.fromBytes((byte) 0xAA, (byte) 0xBB, (byte) 0xCC, (byte) 0xDD);
Result i...
Specifying a custom DateTime format when serializing with Json.Net
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@Koen Zomers - The single quotes you removed from my date formats technically ARE correct, although they are not strictly necessary here. See Literal String Delimiters in the documentation for Custom Date and Time Format Strings. However, the format I quoted as the de...
How to list all users in a Linux group?
...m. Since my location uses only flat files and LDAP, I can just get a list from both locations, but that may or may not be true for your environment.
Edit 2: Someone in passing reminded me that getent passwd will return a list of all users on the system including ones from LDAP/NIS/etc., but getent...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...ion :-)
The command line switches are all detailed in perlrun. (available from the command line by calling perldoc perlrun)
Going into the options briefly, one-by-one:
-p: Places a printing loop around your command so that it acts on each
line of standard input. Used mostly so Perl can beat ...
brew update: The following untracked working tree files would be overwritten by merge:
...t if you have files that are no longer tracked you need additional step so from /usr/local run
git fetch origin
git clean -f
git reset --hard origin/master
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Rails 4: assets not loading in production
...css.erb apparently don't happen automatically. The ^[^_] excludes partials from being compiled -- it's a regexp.
It's a little frustrating that the docs clearly state that asset pipeline IS enabled by default but doesn't clarify the fact that only applies to javascripts.
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Is there YAML syntax for sharing part of a list or map?
...ss: 3
More formally, after calling the YAML parser to get native objects from a config file, but before passing the objects to the rest of the application, my application will walk the object graph looking for mappings containing the single key MERGE. The value associated with MERGE must be either...
Rails 3 - can't install pg gem
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As a note, the binary package from the Postgres site does not contain development headers or the pg_config program.
– tadman
Mar 12 '12 at 15:43
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How to get text box value in JavaScript
I am trying to use JavaScript to get the value from an HTML text box but value is not coming after white space
15 Answers
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