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Split list into smaller lists (split in half)
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A = [1,2,3,4,5,6]
B = A[:len(A)//2]
C = A[len(A)//2:]
If you want a function:
def split_list(a_list):
half = len(a_list)//2
return a_list[:half], a_list[half:]
A = [1,2,3,4,5,6]
B, C = split_list(A)
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What is 'Currying'?
I've seen references to curried functions in several articles and blogs but I can't find a good explanation (or at least one that makes sense!)
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Print an integer in binary format in Java
I have a number and I want to print it in binary. I don't want to do it by writing an algorithm, Is there any built-in function for that in Java?
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How to change Hash values?
...({}) { |h, (k, v)| h[k] = v.upcase; h }
This last version has the added benefit that you could transform the keys too.
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What is The Rule of Three?
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Introduction
C++ treats variables of user-defined types with value semantics.
This means that objects are implicitly copied in various contexts,
and we should understand what "copying an object" actually means.
Let us consider a simple example:
class per...
Regex lookahead for 'not followed by' in grep
I am attempting to grep for all instances of Ui\. not followed by Line or even just the letter L
5 Answers
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How to REALLY show logs of renamed files with git?
I'm relatively new to git. I used Subversion before.
5 Answers
5
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New lines inside paragraph in README.md
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Interpreting newlines as <br /> used to be a feature of Github-flavored markdown, but the most recent help document no longer lists this feature.
Fortunately, you can do it manually. The easiest way is to ensure that each line ends with two spaces...
How to pretty-print a numpy.array without scientific notation and with given precision?
...712]
And suppress suppresses the use of scientific notation for small numbers:
y=np.array([1.5e-10,1.5,1500])
print(y)
# [ 1.500e-10 1.500e+00 1.500e+03]
np.set_printoptions(suppress=True)
print(y)
# [ 0. 1.5 1500. ]
See the docs for set_printoptions for other options.
To apply...
Why is a round-trip conversion via a string not safe for a double?
Recently I have had to serialize a double into text, and then get it back. The value seems to not be equivalent:
3 Answers
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