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What is :: (double colon) in Python when subscripting sequences?
... 58, 59],
[60, 61, 62, 63, 64, 65, 66, 67, 68, 69],
[70, 71, 72, 73, 74, 75, 76, 77, 78, 79],
[80, 81, 82, 83, 84, 85, 86, 87, 88, 89],
[90, 91, 92, 93, 94, 95, 96, 97, 98, 99]])
Say for some reason, your boss wants you to select the following elements:
"But How???"... ...
Can a for loop increment/decrement by more than one?
...
Andrew WhitakerAndrew Whitaker
116k2727 gold badges268268 silver badges292292 bronze badges
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Rank items in an array using Python/NumPy, without sorting array twice
...it -n10000 -r5
x = (rankdata(l) - 1).astype(int)
>>> 128 µs ± 2.72 µs per loop (mean ± std. dev. of 5 runs, 10000 loops each)
%%timeit -n10000 -r5
a = np.array(l)
r = a.argsort().argsort()
>>> 69.1 µs ± 464 ns per loop (mean ± std. dev. of 5 runs, 10000 loops each)
%%timei...
Return multiple values in JavaScript?
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FZs
9,8351111 gold badges2727 silver badges4040 bronze badges
answered May 26 '10 at 23:09
kangaxkangax
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How to implement an STL-style iterator and avoid common pitfalls?
.../ It's prefer to use the following way:
std::vector<uint8_t> v2(data, data + size);
}
{
std::list<std::vector<uint8_t>> queue_;
queue_.emplace_back(begin(data), end(data, size));
queue_.emplace_back(data, data + size);
}
}
...
What is the difference between @Inject and @Autowired in Spring Framework? Which one to use under wh
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72
At the risk of being pedantic: @Inject is a separate JSR (JSR-330) from CDI (JSR-299).
– Brad Cupit
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What is the Swift equivalent to Objective-C's “@synchronized”?
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72
No, no and no. Nice try, but works imperfectly well. Why? Essential reading (comprehensive comparison of alternatives, cautions) and a grea...
File input 'accept' attribute - is it useful?
Implementing a file upload under html is fairly simple, but I just noticed that there is an 'accept' attribute that can be added to the <input type="file" ...> tag.
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Detect all changes to a (immediately) using JQuery
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72
Am I wrong or this does not handle when text changed via javascript like document.getElementById('txtInput').value = 'some text';
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endsWith in JavaScript
... +1 for the cross-browser compatibility. Tested on Chrome 28.0.1500.72 m, Firefox 22.0, and IE9.
– Adrien Be
Jul 18 '13 at 15:06
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sh...