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Rails migrations: Undo default setting for a column
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387
Rails 5+
def change
change_column_default( :table_name, :column_name, from: nil, to: false ...
How can I add CGPoint objects to an NSArray the easy way?
...ake(5.5, 6.6)],
[NSValue valueWithCGPoint:CGPointMake(7.7, 8.8)],
nil];
List as many [NSValue] instances as you have CGPoint, and end the list in nil. All objects in this structure are auto-released.
On the flip side, when you're pulling the values out of...
Twig ternary operator, Shorthand if-then-else
...place of "selected").
– gdaniel
Dec 7 '16 at 21:48
1
@gdaniel {{ (ability.id in company_abilities...
Will GetType() return the most derived type when called from the base class?
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Merge cells using EPPlus?
... Carles CompanyCarles Company
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How to get exit code when using Python subprocess communicate method?
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276
Popen.communicate will set the returncode attribute when it's done(*). Here's the relevant docu...
Installing Numpy on 64bit Windows 7 with Python 2.7.3 [closed]
...u can get the newest numpy x64 with or without Intel MKL libs for Python 2.7 or Python 3.
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Unique combination of all elements from two (or more) vectors
... GHI 2012-05-01
4 ABC 2012-05-02
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6 GHI 2012-05-02
7 ABC 2012-05-03
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If the resulting order isn't what you want, you can ...
jQuery: select all elements of a given class, except for a particular Id
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edited Oct 25 '16 at 17:37
JonH
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How can I filter a Django query with a list of values?
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From the Django documentation:
Blog.objects.filter(pk__in=[1, 4, 7])
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