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Create a dictionary with list comprehension
...for k, v in blahs}
And we see that it worked, and should retain insertion order as-of Python 3.7:
>>> mydict
{'blah0': 'blah', 'blah1': 'blah', 'blah2': 'blah', 'blah3': 'blah'}
In Python 2 and up to 3.6, order was not guaranteed:
>>> mydict
{'blah0': 'blah', 'blah1': 'blah', 'bl...
Reverse colormap in matplotlib
I would like to know how to simply reverse the color order of a given colormap in order to use it with plot_surface.
7 Answ...
PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
...on performance as Hibenate still makes 2 queries, we are just changing the order of queries.
– Vikky
Aug 30 '19 at 12:13
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Reading ePub format
...k out which file to show next - the <itemrefs> in the XML are in the order they should appear to the reader.
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YouTube API to fetch all videos on a channel
...ey={your_key_here}&channelId={channel_id_here}&part=snippet,id&order=date&maxResults=20
After that you will receive a JSON with video ids and details, and you can construct your video URL like this:
http://www.youtube.com/watch?v={video_id_here}
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How to remove old Docker containers
...n this thread):
docker system prune will delete ALL unused data (i.e., in order: containers stopped, volumes without containers and images with no containers).
See PR 26108 and commit 86de7c0, which are introducing a few new commands to help facilitate visualizing how much space the Docker daemon ...
What are some good Python ORM solutions? [closed]
...ment. I don't understand the logic. How does "hard to find instructions on ORDER BY DESC in the docs" imply "bad for active record pattern"?
– jpmc26
Jan 10 '14 at 0:27
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What REST PUT/POST/DELETE calls should return by a convention?
... even a redirect to a status resource that shows the impact of the delete (order total) and contains further links.
– Luke Puplett
Jul 17 '19 at 9:09
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Running JAR file on Windows
I have a JAR file named helloworld.jar .
In order to run it, I'm executing the following command in a command-line window:
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How to wait for several Futures?
... fail, whereas with for comprehension you get the first error in traversal order of the input collection (even if another one failed first). For example:
val f1 = Future { Thread.sleep(1000) ; 5 / 0 }
val f2 = Future { 5 }
val f3 = Future { None.get }
Future.sequence(List(f1,f2,f3)).onFailure{case...