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Django self-referential foreign key

...ning the model property. If the property were being defined as part of the __init__() or another method, it would be, as self is always the first positional argument to any instance method of a Python class. – Brandon Nov 2 '16 at 12:58 ...
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Java Security: Illegal key size or default parameters?

...nload link is jce-7-download Copy the two downloaded jars in Java\jdk1.7.0_10\jre\lib\security Take a backup of older jars to be on safer side. For JAVA 8 the download link is jce-8-download Copy the downloaded jars in Java\jdk1.8.0_45\jre\lib\security Take a backup of older jars to be on safer ...
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“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date

...alid Date in others. Consider, 02.02.2018, Chrome - moment("02.02.2018")._d -> Fri Feb 02 2018 00:00:00 GMT+0530 (India Standard Time) Firefox - moment("02.02.2018")._d -> Invalid Date Safari - moment("02.02.2018")._d -> Invalid Date So the moment.js is used at your own risk in case th...
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Splitting string into multiple rows in Oracle

...st2', 'Err1' from dual ) select distinct t.name, t.project, trim(regexp_substr(t.error, '[^,]+', 1, levels.column_value)) as error from temp t, table(cast(multiset(select level from dual connect by level <= length (regexp_replace(t.error, '[^,]+')) + 1) as sys.OdciNumberList)) levels ...
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How do I get the row count of a pandas DataFrame?

...g", setup=lambda n: pd.DataFrame(np.arange(n * 3).reshape(n, 3)), n_range=[2**k for k in range(25)], kernels=[ lambda data: data.shape[0], lambda data: data[0].count(), lambda data: len(data.index), ], labels=["data.shape[0]", "data[0].count()", "len(data....
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How would I run an async Task method synchronously?

...nizationContext.SetSynchronizationContext(synch); synch.Post(async _ => { try { await task(); } catch (Exception e) { synch.InnerException = e; throw; } ...
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UILabel text margin [duplicate]

..., intrinsicContentSize property (for Auto layout code) and/or sizeThatFits(_:) method (for Springs & Struts code). import UIKit class PaddingLabel: UILabel { let padding: UIEdgeInsets // Create a new PaddingLabel instance programamtically with the desired insets required init(pad...
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Detecting iOS / Android Operating system

...ng iPAD Pro: return this: Safari: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0 Safari/605.1.15 – Ivan Ferrer Jun 9 at 18:24 ...
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Restoring MySQL database from physical files

... a single tablespace *, which by default consist of the 3 files ibdata1, ib_logfile0, and ib_logfile1. for restoring a database, you would also need those files. * per-table tablespaces are possible, but not default – ax. Aug 21 '09 at 18:18 ...
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How are POST and GET variables handled in Python?

In PHP you can just use $_POST for POST and $_GET for GET (Query string) variables. What's the equivalent in Python? 6 ...