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Bash script absolute path with OS X
... [[ $1 = /* ]] && echo "$1" || echo "$PWD/${1#./}"
}
realpath "$0"
This prints the path verbatim if it begins with a /. If not it must be a relative path, so it prepends $PWD to the front. The #./ part strips off ./ from the front of $1.
...
How can I quantify difference between two images?
... img2 = to_grayscale(imread(file2).astype(float))
# compare
n_m, n_0 = compare_images(img1, img2)
print "Manhattan norm:", n_m, "/ per pixel:", n_m/img1.size
print "Zero norm:", n_0, "/ per pixel:", n_0*1.0/img1.size
How to compare. img1 and img2 are 2D SciPy arrays here:
def comp...
Difference between >>> and >>
...ss of the number.
For example: -2 represented in 8 bits would be 11111110 (because the most significant bit has negative weight). Shifting it right one bit using arithmetic shift would give you 11111111, or -1. Logical right shift, however, does not care that the value could possibly represent ...
Preferred Github workflow for updating a pull request after code review
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answered Oct 30 '11 at 19:45
AmberAmber
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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
...curious, I took a look at the g++-4.8 headers.
bits/stl_map.h, lines 598-603
template<typename _Pair, typename = typename
std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
std::pair<...
What is Full Text Search vs LIKE
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170
In general, there is a tradeoff between "precision" and "recall". High precision means that fewe...
What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
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edited May 30 '19 at 12:10
Sylvain Rodrigue
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What exactly is Hot Module Replacement in Webpack?
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answered Jul 5 '14 at 15:09
Tobias K.Tobias K.
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How to justify a single flexbox item (override justify-content)
...-right: auto to align the child to the left.
.container {
height: 100px;
border: solid 10px skyblue;
display: flex;
justify-content: flex-end;
}
.block {
width: 50px;
background: tomato;
}
.justify-start {
margin-right: auto;
}
<div class="container">
<...