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What's the difference between lists enclosed by square brackets and parentheses in Python?
...es.
A list is mutable, meaning you can change its contents:
>>> m>x m> = [1,2]
>>> m>x m>.append(3)
>>> m>x m>
[1, 2, 3]
while tuples are not:
>>> m>x m> = (1,2)
>>> m>x m>
(1, 2)
>>> m>x m>.append(3)
Traceback (most recent call last):
File "<stdin>", line 1, in ...
How to “properly” print a list?
...
In Python 2:
mylist = ['m>x m>', 3, 'b']
print '[%s]' % ', '.join(map(str, mylist))
In Python 3 (where print is a builtin function and not a syntam>x m> feature anymore):
mylist = ['m>x m>', 3, 'b']
print('[%s]' % ', '.join(map(str, mylist)))
Both return:
[m>x m>...
How to make inline functions in C#
I'm using Linq To m>X m>ML
6 Answers
6
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How can the Euclidean distance be calculated with NumPy?
...
There's a function for that in SciPy. It's called Euclidean.
Em>x m>ample:
from scipy.spatial import distance
a = (1, 2, 3)
b = (4, 5, 6)
dst = distance.euclidean(a, b)
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Random / noise functions for GLSL
As the GPU driver vendors don't usually bother to implement noisem>X m> in GLSL, I'm looking for a "graphics randomization swiss army knife" utility function set, preferably optimised to use within GPU shaders. I prefer GLSL, but code any language will do for me, I'm ok with translating it on my own ...
Virtual Memory Usage from Java under Linum>x m>, too much memory used
I have a problem with a Java application running under Linum>x m>.
8 Answers
8
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Test if lists share any items in python
... Python, searching them is O(1) (see here for more information about complem>x m>ity of operators in Python). Theoretically, this is O(n+m) on average for n and m objects in lists a and b. But 1) it must first create sets out of the lists, which can take a non-negligible amount of time, and 2) it suppose...
How can I find a specific element in a List?
...
Use a lambda em>x m>pression
MyClass result = list.Find(m>x m> => m>x m>.GetId() == "m>x m>y");
Note: C# has a built-in syntam>x m> for properties. Instead of writing getter and setter methods (as you might be used to from Java), write
private string _id;...
Math - mapping numbers
...
If your number m>X m> falls between A and B, and you would like Y to fall between C and D, you can apply the following linear transform:
Y = (m>X m>-A)/(B-A) * (D-C) + C
That should give you what you want, although your question is a little ambigu...
Shading a kernel density plot between two points.
...nd I believe we had similar questions here too.
You need to find the indem>x m> of the quantile values to get the actual (m>x m>,y) pairs.
Edit: Here you go:
m>x m>1 <- min(which(dens$m>x m> >= q75))
m>x m>2 <- mam>x m>(which(dens$m>x m> < q95))
with(dens, polygon(m>x m>=c(m>x m>[c(m>x m>1,m>x m>1:m>x m>2,m>x m>2)]), y= c(0, y[m>x m>1:m>x m>2], 0), col=...