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django admin - add custom form fields that are not part of the model
I have a model registered in the admin site. One of its fields is a long string expression. I'd like to add custom form fields to the add/update page of this model in the admin that based on these fields values I will build the long string expression and save it in the relevant model field.
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Targeting position:sticky elements that are currently in a 'stuck' state
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How do I clone a subdirectory only of a Git repository?
I have my Git repository which, at the root, has two sub directories:
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RSS Feeds in ASP.NET MVC
How would you reccommend handling RSS Feeds in ASP.NET MVC? Using a third party library? Using the RSS stuff in the BCL? Just making an RSS view that renders the XML? Or something completely different?
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How to pass arguments and redirect stdin from a file to program run in gdb?
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Rails update_attributes without save?
Is there an alternative to update_attributes that does not save the record?
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Converting an array of objects to ActiveRecord::Relation
I have an array of objects, let's call it an Indicator . I want to run Indicator class methods (those of the def self.subjects variety, scopes, etc) on this array. The only way I know to run class methods on a group of objects is to have them be an ActiveRecord::Relation. So I end up resorting to...
$on and $broadcast in angular
I have a footerController and codeScannerController with different views.
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Abort makefile if variable not set
How could I abort a make/makefile execution based on a makefile's variable not being set/valued?
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Multiple aggregations of the same column using pandas GroupBy.agg()
Is there a pandas built-in way to apply two different aggregating functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times?
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