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how to generate migration to make references polymorphic
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As far as I know, there's no built-in generator for polymorphic associations. Generate a blank migration and then modify it by hand according to your needs.
Update:
You'll need to specify which table you're changing. According to this SO answer:
class AddImageableToP...
Convert float to double without losing precision
...ouble. Simply casting the float to double gives me weird extra precision. For example:
10 Answers
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Https Connection Android
...ing an exception of ssl exception Not trusted server certificate. If i do normal http it is working perfectly fine. Do I have to accept the server certificate somehow?
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How to drop into REPL (Read, Eval, Print, Loop) from Python code
Is there a way to programmatically force a Python script to drop into a REPL at an arbitrary point in its execution, even if the script was launched from the command line?
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How to see full symlink path
When I'm using ls -la symlinkName or stat symlinkName not all the path is displayed
(e.g ../../../one/two/file.txt )
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git update-index --assume-unchanged on directory
...this:
git update-index --assume-unchanged $(git ls-files | tr '\n' ' ')
or
git ls-files | tr '\n' ' ' | xargs git update-index --assume-unchanged
Although, with either case, file names with spaces will be problematic. If you have those, you can use this:
git ls-files -z | xargs -0 git update-...
What is difference between cacerts and keystore?
What's the difference between the two, cacerts and keystore?
4 Answers
4
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how to set “camera position” for 3d plots using python/matplotlib?
...m trying to do at the moment is a little animation of a rotating surface. For that purpose, I need to set a camera position for the 3D projection. I guess this must be possible since a surface can be rotated using the mouse when using matplotlib interactively. But how can I do this from a script?
I ...
Why not be dependently typed?
...ming a dependently-typed language". The implication seems to be that with more and more language extensions, Haskell is drifting in that general direction, but isn't there yet.
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Cannot send a content-body with this verb-type
...nException) in my .NET 2.0 app (running on windows mobile 6 standard emulator). What confuses me is that as far as i know, I have not added any content body, unless I've inadvertently done it somehow. My code is below (very simple). Is there anything else i need to do to convince .NET that this i...