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What does ||= (or-equals) mean in Ruby?
...discussed so often on the Ruby mailing-lists and Ruby blogs that there are now even threads on the Ruby mailing-list whose only purpose is to collect links to all the other threads on the Ruby mailing-list that discuss this issue.
Here's one: The definitive list of ||= (OR Equal) threads and pages
I...
Covariance and contravariance real world example
...e donkey gobbling code last week and i was so glad that we have covariance now. :-)
– Eric Lippert
Apr 18 '10 at 15:26
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Unable to launch the IIS Express Web server, Failed to register URL, Access is denied
... Also worked for me on ASP.NET Core 1.0 RC1, although it is now in Debug tab and I had to toggle SSL Enable off and on again to generate a new port then copy that to Launch URL box. stackoverflow.com/a/35706891/134761
– angularsen
Feb 29 '16 at 1...
How to fetch all Git branches
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I don't know if I'm using a different version of GIT, but I had to amend the script to git pull --all; for remote in `git branch -r | grep -v \>`; do git branch --track ${remote#origin/} $remote; done. The change strips out HEAD.
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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
.../libmysqlclient.18.dylib: Operation not permitted" - Everything is working now and I can finally start my work for the day...Thanks!
– Colin Adams
Jul 25 '16 at 16:36
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Ajax request returns 200 OK, but an error event is fired instead of success
...am using Asp.net with C#. This solved my issue but can please also let me know this thing also.
– Pankaj Mishra
May 31 '11 at 11:37
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How can I do a line break (line continuation) in Python?
...ly PEP-8 has changed since these comments were added, as it's fairly clear now that parentheses should be added to wrap long lines: "Long lines can be broken over multiple lines by wrapping expressions in parentheses."
– Daniel
Feb 8 '12 at 9:04
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Get model's fields in Django
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Thank you Will. Good to know that other people are using _meta as well. I like the idea of having a wrapper function. Lazerscience, thank you also. Good to know there is a nice method to get the many_to_many fields. Joe
– Joe...
Capture keyboardinterrupt in Python without try-except
... except KeyboardInterrupt:
# do nothing here
pass
(Yes, I know that this doesn't directly answer the question, but it's not really clear why needing a try/except block is objectionable -- maybe this makes it less annoying to the OP)
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Why can't Python parse this JSON data?
...ta.json') as f:
data = json.load(f)
pprint(data)
With data, you can now also find values like so:
data["maps"][0]["id"]
data["masks"]["id"]
data["om_points"]
Try those out and see if it starts to make sense.
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