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C# constructor execution order
...f this should be a comment/answer but for those who learn by example this fiddle illustrates the order as well: https://dotnetfiddle.net/kETPKP
using System;
// order is approximately
/*
1) most derived initializers first.
2) most base constructors first (or top-level in constructor-stack fi...
WPF TemplateBinding vs RelativeSource TemplatedParent
...
More efficient than a Binding but it has less functionality
Only works inside a ControlTemplate's visual tree
Doesn't work with properties on Freezables
Doesn't work within a ControlTemplate's Trigger
Provides a shortcut in setting properties(not as verbose),e.g. {TemplateBinding targetProperty}
...
How do I Convert DateTime.now to UTC in Ruby?
...Number, and DateTime is just plain weird (which is probably why Rails overrides it)
– DanSingerman
Apr 16 '09 at 11:44
add a comment
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Aligning rotated xticklabels with their respective xticks
...e below. If you imagine a rectangular box around the rotated label, which side of the rectangle do you want to be aligned with the tickpoint?
Given your description, you want: ha='right'
n=5
x = np.arange(n)
y = np.sin(np.linspace(-3,3,n))
xlabels = ['Ticklabel %i' % i for i in range(n)]
fig, ax...
How to tell if rails is in production?
... used script/server -e production to start rails in production mode. It did and I got no errors. However how do I tell if it is in production mode? I tried a non-existent route, and I got a similar error page I did in development.
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Scrolling down both parts of a split-window at the same time in Vim
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Don’t know why but scrollbind! did not work for me, but invscrollbind did. A SUPER mapping. Thanks!
– UlfR
Jun 27 '14 at 10:50
add a...
How to use SQL Order By statement to sort results case insensitive?
...to sort by Alphabetical order. The problem is, SQLite doesn't seem to consider A=a during sorting, thus I get results like this:
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MySQL - why not index every field?
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@Andrew a year and a half later, did you find the answer to your question?
– Sinjai
Jan 11 '19 at 17:10
1
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How to write PNG image to string with the PIL?
... a wrapper around strings that behaves like a file. The BytesIO object provides the same interface as a file, but saves the contents just in memory:
import io
with io.BytesIO() as output:
image.save(output, format="GIF")
contents = output.getvalue()
You have to explicitly specify the out...
Correct way to use get_or_create?
...nnon',
defaults={'birthday': date(1940, 10, 9)},
)
# get_or_create() didn't have to create an object.
>>> created
False
Explanation:
Fields to be evaluated for similarity, have to be mentioned outside defaults. Rest of the fields have to be included in defaults. In case CREATE event...