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What are the advantages of NumPy over regular Python lists?
...nto an array:
x = numpy.fromfile(file=open("data"), dtype=float).reshape((100, 100, 100))
Sum along the second dimension:
s = x.sum(axis=1)
Find which cells are above a threshold:
(x > 0.5).nonzero()
Remove every even-indexed slice along the third dimension:
x[:, :, ::2]
Also, many us...
How can one display images side by side in a GitHub README.md?
...are not too wide.
<p float="left">
<img src="/img1.png" width="100" />
<img src="/img2.png" width="100" />
<img src="/img3.png" width="100" />
</p>
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boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...nd()，upper_bound返回的是查找值所在的索引迭代器的后一个位置，stl中有很多相似的用例我就不多解释了。怎么样，是不是稍稍比前面的用法难了一点点呢，嘿嘿，仅仅只是一点点哦~还是很值得用它的^^
本来的最后部分，我来为...
How to check if a number is a power of 2
...3) == 0)
But what exactly is 4&3?
The binary representation of 4 is 100 and the binary representation of 3 is 011 (remember the & takes the binary representation of these numbers). So we have:
100 = 4
011 = 3
Imagine these values being stacked up much like elementary addition. The &am...
Dashed line border around UIView
...code:
let v = UIViewWithDashedLineBorder(frame: CGRect(x: 0, y: 0, width: 100, height: 100))
Result:
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Does Python have a string 'contains' substring method?
...
100
@aaronasterling Obvious it may be, but not entirely correct. What if you have punctuation or it's at the start or end? What about capitali...
Why is there no xrange function in Python3?
...Apple 2.7.2 64-bit:
In [37]: %timeit collections.deque((x for x in xrange(10000000) if x%4 == 0), maxlen=0)
1 loops, best of 3: 1.05 s per loop
Now, python.org 3.3.0 64-bit:
In [83]: %timeit collections.deque((x for x in range(10000000) if x%4 == 0), maxlen=0)
1 loops, best of 3: 1.32 s per loop...
Are there any disadvantages to always using nvarchar(MAX)?
...
Based on the link provided in the accepted answer it appears that:
100 characters stored in an nvarchar(MAX) field will be stored no different to 100 characters in an nvarchar(100) field - the data will be stored inline and you will not have the overhead of reading and writing data 'out of r...
Make anchor link go some pixels above where it's linked to
...hange", function () {
window.scrollTo(window.scrollX, window.scrollY - 100);
});
This will allow the browser to do the work of jumping to the anchor for us and then we will use that position to offset from.
EDIT 1:
As was pointed out by @erb, this only works if you are on the page while the ...
how to convert from int to char*?
...peed Tests: (Integer64ToCharArray();)
Best case 1 digit value.
Loops: 100,000,000, Time Spent: 1,381(Milli), Time Per Loop 13(Nano)
Worse Case 20 Digit Value.
Loops: 100,000,000, Time Spent: 22,656(Milli), Time Per Loop 226(Nano
New Design Speed Tests: (AddDynamicallyToBuffer();)
Best ...