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SQLAlchemy: cascade delete
I must be missing something trivial with SQLAlchemy's cascade options because I cannot get a simple cascade delete to operate correctly -- if a parent element is a deleted, the children persist, with null foreign keys.
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Matplotlib discrete colorbar
...method) is making 0 showup as grey.
For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would be much easier to make 0 grey, but i couldnt get this to work with the scatter or the custom cmap.
As an alternative you can make your own cmap from scratch, or r...
Passing an Array as Arguments, not an Array, in PHP
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vartecvartec
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Trigger change() event when setting 's value with val() function
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I had a very similar issue and I'm not quite sure what you're having a problem with, as your suggested code worked great for me. It immediately (a requirement of yours) triggers the following change code.
$('#selectField').cha...
Creating an empty Pandas DataFrame, then filling it?
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Ninjakannon
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answered Dec 9 '12 at 9:40
Andy HaydenAndy Hayden
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EF LINQ include multiple and nested entities
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Have you tried just adding another Include:
Course course = db.Courses
.Include(i => i.Modules.Select(s => s.Chapters))
.Include(i => i.Lab)
.Single(x => x.Id == id);
Your solution f...
Is Enabling Double Escaping Dangerous?
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Edit: Added emphasis to relevant sections.
Basically: IIS is being excessively paranoid. You can safely disable this check if you're not doing anything particularly unwise with the uri decoded data (such as generating local files...
Design Patterns: Abstract Factory vs Factory Method
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Hope this helps. It describes the various types of factories. I used Head First Design Patterns as my reference. I used yuml.me to diagram.
Static Factory
Is a class with a Static Method to product various sub types of Product.
Simple Factory
Is a class that can produce various sub types o...
How do I disable a Pylint warning?
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Chris MorganChris Morgan
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What is the difference between an int and an Integer in Java and C#?
I was reading More Joel on Software when I came across Joel Spolsky saying something about a particular type of programmer knowing the difference between an int and an Integer in Java/C# (Object-Oriented Programming Languages).
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