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Multiple Models in a single django ModelForm?
Is it possible to have multiple models included in a single ModelForm in django? I am trying to create a profile edit form. So I need to include some fields from the User model and the UserProfile model. Currently I am using 2 forms like this
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How can I access “static” class variables within class methods in Python?
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Two statements next to curly brace in an equation
.... The packages amsmath, amssymb and amsthm are hard to do without when typesetting math.
– srean
Oct 26 '10 at 20:10
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How can I produce an effect similar to the iOS 7 blur view?
...receiving a UIImage back that has been blurred, now all that is left is to set that blurred image as the background of the view you will be presenting. Like I said, this will not be a perfect match for what Apple is doing, but it should still look pretty cool.
Hope it helps.
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Python, compute list difference
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If the order does not matter, you can simply calculate the set difference:
>>> set([1,2,3,4]) - set([2,5])
set([1, 4, 3])
>>> set([2,5]) - set([1,2,3,4])
set([5])
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How to pick a new color for each plotted line within a figure in matplotlib?
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matplotlib 1.5+
You can use axes.set_prop_cycle (example).
matplotlib 1.0-1.4
You can use axes.set_color_cycle (example).
matplotlib 0.x
You can use Axes.set_default_color_cycle.
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Run certain code every n seconds [duplicate]
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OK, fixed, note that you may also want to set the thread made by Timer as a daemon in case you want to interrupt the program cleanly by just finishing the main thread -- in that case you'd better set t = threading.Timer &c, then t.daemon = True, and only then t.s...
Heap vs Binary Search Tree (BST)
...dard library insert benchmark on real hardware
I benchmarked the C++ std::set (Red-black tree BST) and std::priority_queue (dynamic array heap) insert to see if I was right about the insert times, and this is what I got:
benchmark code
plot script
plot data
tested on Ubuntu 19.04, GCC 8.3.0 in ...
Table name as variable
...chema varchar(50)
declare @table varchar(50)
declare @query nvarchar(500)
set @schema = 'dbo'
set @table = 'ACTY'
set @query = 'SELECT * FROM [DB_ONE].['+ @schema +'].[' + @table + '] EXCEPT SELECT * FROM [DB_TWO].['+ @schema +'].[' + @table + ']'
EXEC sp_executesql @query
Since dynamic queries...
How to replace master branch in Git, entirely, from another branch? [duplicate]
...: "I had to do one additional step, click the 'Admin' button on GitHub and set the 'Default Branch' to something other than 'master', then put it back afterwards")
git branch -m master master-old # rename master on local
git push origin :master # delete master on remote
git push origin ma...