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Python string prints as [u'String']
This will surely be an easy one but it is really bugging me.
10 Answers
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How can I quickly sum all numbers in a file?
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For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer:
% perl -nle '$sum += $_ } END { print $sum'
If you're curious what Perl one-liners do, you can deparse them:
% perl -MO=Deparse -n...
Converting String array to java.util.List
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List<String> strings = Arrays.asList(new String[]{"one", "two", "three"});
This is a list view of the array, the list is partly unmodifiable, you can't add or delete elements. But the time complexity is O(1).
If you want a modifiable a List:
List<String> strings =
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Should composer.lock be committed to version control?
...c versions of the libs you are using.
If you commit your changes, and someone pulls your code and updates the dependencies, the lockfile should be unmodified. If it is modified, it means that you have a new version of something.
Having it in the repository assures you that each developer is using ...
Releasing memory in Python
...(512 bytes in 3.3). The pools themselves are in 256 KiB arenas, so if just one block in one pool is used, the entire 256 KiB arena will not be released. In Python 3.3 the small object allocator was switched to using anonymous memory maps instead of the heap, so it should perform better at releasing ...
What is the difference between Swing and AWT?
Can someone please explain me what's the difference between Swing and AWT?
8 Answers
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Sample random rows in dataframe
...ed up randomly without replacement from a data frame in R language? Can anyone help me out?
11 Answers
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List comprehension on a nested list?
... what you started with except with floats instead of strings. If you want one flat list then you would use [float(y) for x in l for y in x].
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Is REST DELETE really idempotent?
...the effect is that account 123 is now deleted from the server. That is the one and only effect, the one and only change to the state of the server. Now lets say you do the same DELETE http://example.com/account/123 request again, the server will respond differently, but its state is the same.
Its...
How to loop through all but the last item of a list?
I would like to loop through a list checking each item against the one following it.
6 Answers
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