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Postgresql GROUP_CONCAT equivalent?

...dited Sep 14 '17 at 20:37 Ariel Allon 71211 gold badge99 silver badges1515 bronze badges answered Apr 1 '10 at 14:55 ...
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Should I use the datetime or timestamp data type in MySQL?

... Timestamps in MySQL are generally used to track changes to records, and are often updated every time the record is changed. If you want to store a specific value you should use a datetime field. If you meant that you want to decide between using a UNIX ...
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When should I use require() and when to use define()?

... Why is this answer so different to what I read here requirejs.org/docs/api.html#deffunc ?? – James Lin Feb 13 '14 at 18:44 2 ...
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Creating a jQuery object from a big HTML-string

...d to the dom. If you take a look at my fiddle (jsfiddle.net/MCSyr/2), I'm calling find on the jQuery object, and it returns a result as expected: $jQueryObject.find("#theAnswer").html() – kiprainey Nov 18 '13 at 22:55 ...
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What are paramorphisms?

...foldr c n xs) para c n [] = n foldr c n [] = n Some people call paramorphisms "primitive recursion" by contrast with catamorphisms (foldr) being "iteration". Where foldr's two parameters are given a recursively computed value for each recursive subobject of the input data (here, that...
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Permanently add a directory to PYTHONPATH?

...n environment variable in your chosen platform and shell, since it's not really a programming question per se. share | improve this answer | follow | ...
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System.Timers.Timer vs System.Threading.Timer

... Standard 2.0 and .NET Core 2.0 and above. docs.microsoft.com/en-us/dotnet/api/system.timers.timer (scroll to the end of article) – Lee Grissom Nov 11 '18 at 22:07 ...
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Mechanisms for tracking DB schema changes [closed]

...ed code to a production server) but we're still doing database updates manually. I would like to find or create a solution that allows us to work efficiently across servers with different environments while continuing to use Subversion as a backend through which code and DB updates are pushed aroun...
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Python: Ignore 'Incorrect padding' error when base64 decoding

... of which were base64 without padding: import base64 import re def decode_base64(data, altchars=b'+/'): """Decode base64, padding being optional. :param data: Base64 data as an ASCII byte string :returns: The decoded byte string. """ data = re.sub(rb'[^a-zA-Z0-9%s]+' % altcha...
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Plot correlation matrix into a graph

...answered Mar 28 '11 at 2:37 bill_080bill_080 4,34611 gold badge2020 silver badges3030 bronze badges ...