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Curious null-coalescing operator custom implicit conversion behaviour
Note: this appears to have been fixed in Roslyn
5 Answers
5
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what's data-reactid attribute in html?
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The data-reactid attribute is a custom attribute used so that React can uniquely identify its components within the DOM.
This is important because React applications can be rendered at the server as well as the client. Internally React builds up a represen...
Programmatically saving image to Django ImageField
... the disk:
from django.core.files.storage import FileSystemStorage
class CustomStorage(FileSystemStorage):
def _open(self, name, mode='rb'):
return File(open(self.path(name), mode))
def _save(self, name, content):
# here, you should implement how the file is to be saved
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Styling input buttons for iPad and iPhone
... button-->
<button type="submit">
<!--You can then attach your custom CSS to the button-->
Hope that helps.
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What is the difference between square brackets and parentheses in a regex?
...uestion uses keyword var in code, this probably is JavaScript). The use of php which runs on PCRE for preg matching will optimize away the lack of backtracking, however we're not in PHP either, so using classes [] instead of alternations | gives performance bonus as the match does not backtrack, and...
Is it a bad practice to catch Throwable?
... We have had NoSuchMethodError and thankfully did not take out all our customers by shutting down the server as it happened two weeks after deployment. ie. We always have a catchall catching Throwable and making a best effort to handle and send error to customer. After all, there are lots of t...
Get query string parameters url values with jQuery / Javascript (querystring)
...ubmitted as name=value pairs, separated by &. If your code is using a custom querystring format, obviously, you'll need to write a custom querystring parser wherever the querystring is consumed, whether on the server or the client.
– gilly3
Nov 18 '11 at 1...
Git ignore file for Xcode projects
... shame one of them into treating developers more fairly.
If you need to customize, here's a gist you can fork: https://gist.github.com/3786883
#########################
# .gitignore file for Xcode4 and Xcode5 Source projects
#
# Apple bugs, waiting for Apple to fix/respond:
#
# 15564624 - w...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
...have distinctly un-uniform output.
Inspired by this article about how bad php's rand() function is, I made some random matrix images using QuickRandom and System.Random. This run shows how sometimes the seed can have a bad effect (in this case favouring lower numbers) where as System.Random is pret...
Android - set TextView TextStyle programmatically?
... setTextAppearance() is the answer I was after in order to apply a custom style defined in my XML. Thanks.
– ashario
Apr 8 '18 at 4:26
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