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Django ModelForm: What is save(commit=False) used for?
Why would I ever use save(commit=False) instead of just creating a form object from the ModelForm subclass and running is_valid() to validate both the form and model?
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C# Equivalent of SQL Server DataTypes
For the following SQL Server datatypes, what would be the corresponding datatype in C#?
5 Answers
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Cause of a process being a deadlock victim
...ith a Select which takes a long time to finish, on the order of 5 to 10 minutes. I am currently not using NOLOCK as a hint to the MS SQL database engine. At the same time we have another process doing updates and inserts into the same database and same tables. The first process has started,...
What does -> mean in Python function definitions?
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And the information is available as a .__annotations__ attribute.
– Martijn Pieters♦
Jan 17 '13 at 13:06
9
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Change Screen Orientation programmatically using a Button
I think this is implementable since screen rotation behaviour can go up to the application level.
5 Answers
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How to pip install a package with min and max version range?
I'm wondering if there's any way to tell pip, specifically in a requirements file, to install a package with both a minimum version ( pip install package>=0.2 ) and a maximum version which should never be installed (theoretical api: pip install package<0.3 ).
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How to sort with lambda in Python
In Python, I am trying to sort by date with lambda. I can't understand my error message. The message is:
4 Answers
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generate model using user:references vs user_id:integer
I'm confused on how to generate a model that belongs_to another model. My book uses this syntax to associate Micropost with User:
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What are the differences between mocks and stubs on Rhino Mocks?
I haven't play enough with this and usually use mocks, but I wonder what are the differences between this two and when to use one or the other on Rhino Mocks.
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What is the in a .vimrc file?
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The <Leader> key is mapped to \ by default. So if you have a map of <Leader>t, you can execute it by default with \+t. For more detail or re-assigning it using the mapleader variable, see
:help leader
To define a mapping which uses the "mapleader" varia...