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PHP: merge two arrays while keeping keys instead of reindexing?
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You can simply 'add' the arrays:
>> $a = array(1, 2, 3);
array (
0 => 1,
1 => 2,
2 => 3,
)
>> $b = array("a" => 1, "b" => 2, "c" => 3)
array (
'a' => 1,
'b' => 2,
'c' => 3,
)
>> $a + $b
array (
0 => 1,
1 => 2,
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
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216
sqrtss gives a correctly rounded result. rsqrtss gives an approximation to the reciprocal, acc...
In-memory size of a Python structure
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146
The recommendation from an earlier question on this was to use sys.getsizeof(), quoting:
>...
Frequency table for a single variable
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153
Maybe .value_counts()?
>>> import pandas
>>> my_series = pandas.Series([1,2...
Regular expression to match numbers with or without commas and decimals in text
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10 Answers
10
Active
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Image Segmentation using Mean Shift explained
... from good sources elsewhere.
Let's look at the center of your matrix:
153 153 153 153
147 96 98 153
153 97 96 147
153 153 147 156
With reasonable choices for radius and distance, the four center pixels will get the value of 97 (their mean) and will be different form the...
Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
Can an ordered list produce results that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, ...) with CSS? So far, using list-style-type:decimal has produced only 1, 2, 3, not 1.1, 1.2., 1.3.
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