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pandas dataframe columns scaling with sklearn
...rame({'A':[14.00,90.20,90.95,96.27,91.21],
'B':[103.02,107.26,110.35,114.23,114.68],
'C':['big','small','big','small','small']})
>>> dfTest[['A', 'B']] = scaler.fit_transform(dfTest[['A', 'B']])
>>> dfTest
A ...
Using braces with dynamic variable names in PHP
...ual php.net/manual/ru/language.variables.variable.php $price_for_monday = 10; $price_for_tuesday = 20; $today = 'tuesday'; $price_for_today = ${ 'price_for_' . $today}; echo $price_for_today; // will return 20
– Vladimir Ch
Apr 20 '18 at 21:08
...
Moving decimal places over in a double
...erforming the calculation twice, you are compounding that error.
However, 100 can be represented accurately, so try:
double x = 1234;
x /= 100;
System.out.println(x);
which prints:
12.34
This works because Double.toString(d) performs a small amount of rounding on your behalf, but it is not mu...
Why can I not push_back a unique_ptr into a vector?
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answered Jul 19 '10 at 18:15
James McNellisJames McNellis
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How to export table as CSV with headings on Postgresql?
...len A. Radev
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7
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Build vs new in Rails 3
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answered Feb 10 '11 at 7:41
henrymhenrym
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Change the selected value of a drop-down list with jQuery
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1019
jQuery's documentation states:
[jQuery.val] checks, or selects, all the radio buttons, ch...
What's the difference between console.dir and console.log?
... |
edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Aug 14 '12 at 14:28
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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
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105
The compiler can't generally transform
for (int c = 0; c < arraySize; ++c)
if (data[c]...
is there a css hack for safari only NOT chrome?
..., at this time you have to use the next pair of css hacks. The one for 6.1-10.0 to go with one that handles 10.1 and up.
So then -- here is one I worked out for Safari 10.1+:
The double media query is important here, don't remove it.
/* Safari 10.1+ */
@media not all and (min-resolution:.001dpcm) {...