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Why are `private val` and `private final val` different?
...ance in Java that final static variables with a literal on the right-hand side get inlined into bytecode as constants. That engenders a performance benefit sure, but it causes binary compatibility of the definition to break if the "constant" ever changed. When defining a final static variable whose ...
What's the difference between F5 refresh and Shift+F5 in Google Chrome browser?
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I wonder if it was because I said that it cleared the cache when refreshing, which isn't quite correct. I've updated my answer.
– Dan
Dec 13 '13 at 15:02
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Find and replace Android studio
... in it's entirety, including comments, getters, setters, constructors, new calls, THE WORKS, but android studio's refactor was bugging out on me. Ctrl+Shift+R however, ignored all that and hard changed the files after which the project had to be reloaded. Do select "preserve case" or it will mess up...
how to use XPath with XDocument?
There is a similar question, but it seems that the solution didn't work out in my case: Weirdness with XDocument, XPath and namespaces
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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...
Accessing console and devtools of extension's background.js
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I had the same problem, in my case the logging was set to "Hide all" in the console tab in Chrome Developer tools.
I had not even realised this was an option, and I can't remember turning it off
share
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How can I tell who forked my repository on GitHub?
.... see what kind of changes have been made you will need to go to each individual forked repository and then see the compare tab (please refer to the attached picture). To see exact details on what files have been actually changed you should click on the compare button shown in the image.
The above...
is not JSON serializable
...ur case, self.get_queryset() contains a mix of django objects and dicts inside.
One option is to get rid of model instances in the self.get_queryset() and replace them with dicts using model_to_dict:
from django.forms.models import model_to_dict
data = self.get_queryset()
for item in data:
it...
How to re-open an issue in github?
...t? cf: github.com/isaacs/github/issues/583 seems to be a common need to avoid the current workaround (which is to open a duplicate issue, resulting in more noise)
– timotheecour
Sep 7 '16 at 19:46
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