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Specify format for input arguments argparse python
...e(s, "%Y-%m-%d")
except ValueError:
msg = "Not a valid date: '{0}'.".format(s)
raise argparse.ArgumentTypeError(msg)
Then use that as type:
parser.add_argument("-s",
"--startdate",
help="The Start Date - format YYYY-MM-DD",
...
Use curly braces to initialize a Set in Python
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103
There are two obvious issues with the set literal syntax:
my_set = {'foo', 'bar', 'baz'}
It...
What is eager loading?
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edited Aug 19 '09 at 12:00
answered Aug 19 '09 at 11:38
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Placeholder in UITextView
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+50
I made a few minor modifications to bcd's solution to allow for initialization from a Xib file, text wrapping, and to maintain backgro...
Best way to determine user's locale within browser
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10 Answers
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List of tuples to dictionary
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Boris
4,70255 gold badges4242 silver badges5252 bronze badges
answered Jun 29 '11 at 14:36
Sven MarnachSven Ma...
php check if array contains all array values from another array
... Chris
5,17422 gold badges2626 silver badges5050 bronze badges
answered Mar 11 '12 at 14:21
jasonbarjasonbar
12.1k33 gold b...
What is the difference between .*? and .* regular expressions?
...difference between greedy and non-greedy quantifiers.
Consider the input 101000000000100.
Using 1.*1, * is greedy - it will match all the way to the end, and then backtrack until it can match 1, leaving you with 1010000000001.
.*? is non-greedy. * will match nothing, but then will try to match ext...
Getting “A potentially dangerous Request.Path value was detected from the client (&)”
... <httpRuntime requestPathInvalidCharacters="" requestValidationMode="2.0" />
<pages validateRequest="false" />
</system.web>
I would avoid using characters like '&' in URL path replacing them with underscores.
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Efficiently updating database using SQLAlchemy ORM
...on on commit you don't have any stale data issues.
In the almost-released 0.5 series you could also use this method for updating:
session.query(Stuff).update({Stuff.foo: Stuff.foo + 1})
session.commit()
That will basically run the same SQL statement as the previous snippet, but also select the c...