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Remove all occurrences of a value from a list?
In Python remove() will remove the first occurrence of value in a list.
23 Answers
2...
adding noise to a signal in python
...t to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic.
7 Answers
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Setting different color for each series in scatter plot on matplotlib
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I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array easily enough:
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.cm as cm
x = np.arange(10)
ys = [i+x+(i*x)**2 for i in range(10)...
What would a “frozen dict” be?
... something like collections.namedtuple , but that is more like a frozen-keys dict (a half-frozen dict). Isn't it?
14 Answe...
Calling a Java method with no name
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This:
static {
System.out.print("x ");
}
is a static initialization block, and is called when the class is loaded. You can have as many of them in your class as you want, and they will be executed in order of their appearance (from top...
Wrap a delegate in an IEqualityComparer
Several Linq.Enumerable functions take an IEqualityComparer<T> . Is there a convenient wrapper class that adapts a delegate(T,T)=>bool to implement IEqualityComparer<T> ? It's easy enough to write one (if your ignore problems with defining a correct hashcode), but I'd like to know...
How to pass optional arguments to a method in C++?
How to pass optional arguments to a method in C++ ?
Any code snippet...
8 Answers
8
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python tuple to dict
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Try:
>>> t = ((1, 'a'),(2, 'b'))
>>> dict((y, x) for x, y in t)
{'a': 1, 'b': 2}
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Remove duplicates in the list using linq
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var distinctItems = items.Distinct();
To match on only some of the properties, create a custom equality comparer, e.g.:
class DistinctItemComparer : IEqualityComparer<Item> {
public bool Equals(Item x, Item y) {
return x.Id == y.Id &&
x.N...