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For loop example in MySQL
...oor(0 + (rand() * 65535)) );
set v_counter=v_counter+1;
end while;
commit;
end #
delimiter ;
call load_foo_test_data();
select * from foo order by id;
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ListBox vs. ListView - how to choose for data binding
...filter based on user input. The data binding demo ( http://msdn.microsoft.com/en-us/library/ms771319.aspx ) uses a ListBox with a CollectionViewSource.
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Filtering for empty or NULL names in a queryset
...ield = TRUE AND other_field = TRUE)
Alternatively, if your logic is more complex than that, you could use Django's Q objects:
from django.db.models import Q
Name.objects.exclude(Q(alias__isnull=True) | Q(alias__exact=''))
For more info see this page and this page in the Django docs.
As an asid...
What reason is there to use null instead of undefined in JavaScript?
...ect was expected (or that there was an error). My problem with that is its completely arbitrary, and totally unnecessary.
That said, there is one major difference - variables that aren't initialized (including function parameters where no argument was passed, among other things) are always undefin...
What's the fastest way to delete a large folder in Windows?
...
Use Windows Command Prompt:
rmdir /s /q folder
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What is the best way to find the users home directory in Java?
... Linux, other unix variants. I am looking for a snippet of code that can accomplish this for all platforms, and a way to detect the platform.
...
...ons and is automatically HTMLEncoded.
<%-- --%> - is for server-side comments
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Is there a simple way to remove unused dependencies from a maven pom.xml?
...d I suspect the pom's contain some unnecessary dependencies. Is there is a command which removes any unused dependencies from a pom?
...