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Is there a way to override class variables in Java?
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@siddagrl: can you elaborate ?
– Mr_and_Mrs_D
Oct 30 '13 at 12:27
which of OP's classes is Person sup...
Generate full SQL script from EF 5 Code First Migrations
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Just trial and error really after trying everything I could think of to trick it into working :)
– Matt Wilson
Mar 10 '14 at 21:20
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Rails: create on has_one association
...) would work. However there is a big difference between has_many relations and has_one relations:
With a has_many relation, shops returns an ActiveRecord collection object, which has methods that you can use to add and remove shops to/from a user. One of those methods is create, which creates a new...
Validate uniqueness of multiple columns
Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like:
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Convert file: Uri to File in Android
What's the easiest way to convert from a file: android.net.Uri to a File in Android?
18 Answers
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how to display full stored procedure code?
...h queries psql is using to retrieve that information (e.g. for the \df command) by starting psql with the --echo-hidden parameter. That will show all queries that are used internally. pg_proc does not store a complete CREATE FUNCTION statement. You can use pg_get_functiondef() to retrieve the compl...
Check if list contains any of another list
... performing on larger collections would be to project parameters to source and then use Intersect which internally uses a HashSet<T> so instead of O(n^2) for the first approach (the equivalent of two nested loops) you can do the check in O(n) :
bool hasMatch = parameters.Select(x => x.sour...
Django Admin - change header 'Django administration' text
... original base_site.html, except putting in your custom title:
{% block branding %}
<h1 id="site-name">{% trans 'my cool admin console' %}</h1>
{% endblock %}
For this to work, you need to have the correct settings for your project, namely in settings.py:
Make sure /projectdir/templ...
Javascript: Extend a Function
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With a wider view of what you're actually trying to do and the context in which you're doing it, I'm sure we could give you a better answer than the literal answer to your question.
But here's a literal answer:
If you're assigning these functions to some property somewhere, you...
PostgreSQL: Can you create an index in the CREATE TABLE definition?
...BLE syntax. PostgreSQL does however create an index for unique constraints and primary keys by default, as described in this note:
PostgreSQL automatically creates an index for each unique constraint and primary key constraint to enforce uniqueness.
Other than that, if you want a non-unique in...