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Argparse optional positional arguments?

... Matas VaitkeviciusMatas Vaitkevicius 46.1k2323 gold badges200200 silver badges211211 bronze badges ...
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?

... remove it! – Milan Feb 1 '17 at 22:32 add a comment  |  ...
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Calculate MD5 checksum for a file

... @KalaJ: If you're trying to spot deliberate tampering, then CRC32 is entirely inappropriate. If you're only talking about spotting data transfer failures, it's fine. Personally I'd probably use SHA-256 just out of habit :) I don't know about support for CRC32 in .NET offhand, but you can...
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Cannot pass null argument when using type hinting

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Split string into array of character strings

... ^, and ). However, it works as you say it does. – Ty_ Mar 6 '14 at 2:07 4 This is indeed a regex...
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javascript scroll event for iPhone/iPad?

... answered Jun 19 '13 at 15:32 Dave MackintoshDave Mackintosh 2,5012525 silver badges3838 bronze badges ...
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Match multiline text using regular expression

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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How to write an async method with out parameter?

... answered Apr 27 '18 at 14:30 jv_jv_ 9311010 silver badges1111 bronze badges ...
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jsonify a SQLAlchemy result set in Flask [duplicate]

...u actually haven't executed your query. Try following: return jsonify(json_list = qryresult.all()) [Edit]: Problem with jsonify is, that usually the objects cannot be jsonified automatically. Even Python's datetime fails ;) What I have done in the past, is adding an extra property (like serializ...
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Sublime Text 2: Trim trailing white space on demand

... Spangen 3,19355 gold badges2929 silver badges3232 bronze badges answered Oct 24 '16 at 8:48 antouantou 46844 silver badges9...