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Django ManyToMany filter()
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Just restating what Tomasz said.
There are many examples of FOO__in=... style filters in the many-to-many and many-to-one tests. Here is syntax for your specific problem:
users_in_1zone = User.objects.filter(zones__id=<id1>)
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SQL Server indexes - ascending or descending, what difference does it make?
When you create an index on a column or number of columns in MS SQL Server (I'm using version 2005), you can specify that the index on each column be either ascending or descending. I'm having a hard time understanding why this choice is even here. Using binary sort techniques, wouldn't a lookup be ...
How to combine class and ID in CSS selector?
If I have the following div:
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How do I get the resource id of an image if I know its name?
How do I get the resource id of an image if I know its name (in Android)?
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In CMake, how can I test if the compiler is Clang?
We have a set of cross-platform CMake build scripts , and we support building with Visual C++ and GCC .
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Optimal way to concatenate/aggregate strings
I'm finding a way to aggregate strings from different rows into a single row. I'm looking to do this in many different places, so having a function to facilitate this would be nice. I've tried solutions using COALESCE and FOR XML , but they just don't cut it for me.
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
What is the difference between defining View Params like this:
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SQL RANK() versus ROW_NUMBER()
I'm confused about the differences between these. Running the following SQL gets me two idential result sets. Can someone please explain the differences?
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Retrieving the last record in each group - MySQL
There is a table messages that contains data as shown below:
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How to update two tables in one statement in SQL Server 2005?
I want to update two tables in one go. How do I do that in SQL Server 2005?
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