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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple

... 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...
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Comparing strings with == which are declared final in Java

... 232 When you declare a String (which is immutable) variable as final, and initialize it with a com...
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Single Line Nested For Loops

... 172 The best source of information is the official Python tutorial on list comprehensions. List com...
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Convert nested Python dict to object?

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Apache2: 'AH01630: client denied by server configuration'

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How to saveHTML of DOMDocument without HTML wrapper?

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How do I get Month and Date of JavaScript in 2 digit format?

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Python's “in” set operator

... answered Jan 2 '12 at 21:14 Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams 667k127127 gold badges11911191 silver badges12501250 bronze badges ...
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?

... 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...
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Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?

...re in other languages. This means that the following code always prints 1, 2, 3, 4, 5 regardless of the value of B. A = 1:5; for i = A A = B; disp(i); end If you want to be able to respond to changes in the data structure during iterations, a WHILE loop may be more appropriate --- you'll...