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How to sort a list of strings numerically?
... you want is:
list1 = ["1","10","3","22","23","4","2","200"]
list1 = [int(x) for x in list1]
list1.sort()
If for some reason you need to keep strings instead of ints (usually a bad idea, but maybe you need to preserve leading zeros or something), you can use a key function. sort takes a named par...
One-liner to take some properties from object in ES 6
...for the v parameter.
({id, title}) => ({id, title})
(See a runnable example in this other answer).
@EthanBrown's solution is more general. Here is a more idiomatic version of it which uses Object.assign, and computed properties (the [p] part):
function pick(o, ...props) {
return Object.a...
deleting rows in numpy array
...rom arrays is the numpy.delete method.
Suppose I have the following array x:
x = array([[1,2,3],
[4,5,6],
[7,8,9]])
To delete the first row, do this:
x = numpy.delete(x, (0), axis=0)
To delete the third column, do this:
x = numpy.delete(x,(2), axis=1)
So you could find the ...
How to get the difference between two arrays in JavaScript?
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How to retrieve an element from a set without removing it?
...le set:
for e in s:
break
# e is now an element from s
Or...
e = next(iter(s))
But in general, sets don't support indexing or slicing.
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What is the difference between atomic and critical in OpenMP?
...however, by incurring significant overhead every time a thread enters and exits the critical section (on top of the inherent cost of serialization).
(In addition, in OpenMP all unnamed critical sections are considered identical (if you prefer, there's only one lock for all unnamed critical sectio...
How can I strip the whitespace from Pandas DataFrame headers?
I am parsing data from an Excel file that has extra white space in some of the column headings.
3 Answers
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How to reference generic classes and methods in xml documentation
When writing xml documentation you can use <see cref="something">something</see> , which works of course. But how do you reference a class or a method with generic types?
...
What is the difference between syntax and semantics in programming languages?
What is the difference between syntax and semantics in programming languages (like C, C++)?
10 Answers
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Can you split a stream into two streams?
...
Not exactly. You can't get two Streams out of one; this doesn't make sense -- how would you iterate over one without needing to generate the other at the same time? A stream can only be operated over once.
However, if you want ...