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Transpose list of lists
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list(map(list, zip(*l)))
Explanation:
There are two things we need to know to understand what's going on:
The signature of zip: zip(*iterables) This means zip expects an arbitrary number of arguments each of which must be iterable. E.g. zip([1, 2], [3, 4], [5, 6]).
Unpacked argument lists: Giv...
What is the best project structure for a Python application? [closed]
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Oh, I love this trick and am using it now. I want to put the shared module in another directory, and I do not want to install module system-wide, nor do I want to ask people to modify PYTHONPATH manually. Unless people propose something better, I think this is ac...
Custom thread pool in Java 8 parallel stream
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I see now stackoverflow.com/a/34930831/1520422 shows nicely that it actually works as announced. Yet i still don't understand HOW it works. But i'm fine with "it works". Thanks!
– Frederic Leitenberger
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Why JSF saves the state of UI components on server?
Now, it is no longer necessary to save state while using JSF. A high performance Stateless JSF implementation is available for use. See this blog & this question for relevant details & discussion. Also, there is an open issue to include in JSF specs, an option to provide stateless mode for JSF...
Given final block not properly padded
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@kenicky sorry, I saw your comment just now ... yes, a wrong key almost always causes this effect. (Of course, corrupted data is another possibility.)
– Paŭlo Ebermann
Sep 17 '15 at 21:09
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How do I write stderr to a file while using “tee” with a pipe?
I know how to use tee to write the output ( STDOUT ) of aaa.sh to bbb.out , while still displaying it in the terminal:
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Rails render partial with block
...to because of another yield (don't have time to investigate that by-myself now, just wondering)
– equivalent8
Jul 9 '12 at 14:43
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List of lists changes reflected across sublists unexpectedly
...than a matrix = [row] * 2 where both rows are exactly the same object, and now changes to one row matrix[0][0] = y suddenly reflect in the other one (matrix[0][0] is matrix[1][0]) == True
– nadrimajstor
Jul 2 '17 at 15:44
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Add a number to each selection in Sublime Text 2, incremented once per selection
...in Sublime Text 3 as well. For me the primary issue was that you need to know how to open the Text Pastry command line (CTRL-ALT-N). So, to get incrementing numbers from 01 to 10, select 10 lines (shift+right-click/drag the desired columns), press CTRL-ALT-N, then type 1 1 2
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Delete topic in Kafka 0.8.1.1
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Thanks for the info. Do you know how to clear the entire Kafka and Zookeeper states as indicated?
– EmPak5
Jun 18 '14 at 16:09
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