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Passing a dictionary to a function as keyword parameters
...operator to unpack the dictionary
So my example becomes:
d = dict(p1=1, p2=2)
def f2(p1,p2):
print p1, p2
f2(**d)
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Python's “in” set operator
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answered Jan 2 '12 at 21:14
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
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Not answering the specifics of your question so much as the title: the 2006 Technical Report on C++ Performance has an interesting section on IOStreams (p.68). Most relevant to your question is in Section 6.1.2 ("Execution Speed"):
Since certain aspects of IOStreams processing are
distribu...
App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
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How to insert an item into an array at a specific index (JavaScript)?
...n this example we will create an array and add an element to it into index 2:
var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";
console.log(arr.join());
arr.splice(2, 0, "Lene");
console.log(arr.join());
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Get current AUTO_INCREMENT value for any table
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Harshil Sharma
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answered Apr 4 '13 at 20:56
methaimethai
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
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Here's a small kmeans that uses any of the 20-odd distances in
scipy.spatial.distance, or a user function.
Comments would be welcome (this has had only one user so far, not enough);
in particular, what are your N, dim, k, metric ?
#!/usr/bin/env python
# kmeans.py us...
How do I get a substring of a string in Python?
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3271
>>> x = "Hello World!"
>>> x[2:]
'llo World!'
>>> x[:2]
'He'
>&g...
App Inventor 2 试验组件 · App Inventor 2 中文网
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