大约有 47,000 项符合查询结果(耗时:0.0464秒) [XML]
In jQuery, how do I get the value of a radio button when they all have the same name?
...r code, jQuery just looks for the first instance of an input with name q12_3, which in this case has a value of 1. You want an input with name q12_3 that is :checked.
$("#submit").click(() => {
const val = $('input[name=q12_3]:checked').val();
alert(val);
});
<script src="https://...
How to convert list of tuples to multiple lists?
... function zip() will almost do what you want:
>>> zip(*[(1, 2), (3, 4), (5, 6)])
[(1, 3, 5), (2, 4, 6)]
The only difference is that you get tuples instead of lists. You can convert them to lists using
map(list, zip(*[(1, 2), (3, 4), (5, 6)]))
...
Remove duplicate elements from array in Ruby
...
the Tin Man
147k3131 gold badges192192 silver badges272272 bronze badges
answered Dec 3 '11 at 5:24
Mithun Sasidharan...
Using numpy to build an array of all combinations of two arrays
...
131
In newer version of numpy (>1.8.x), numpy.meshgrid() provides a much faster implementation:
...
What's the difference between “mod” and “remainder”?
... is a difference between modulus and remainder. For example:
-21 mod 4 is 3 because -21 + 4 x 6 is 3.
But -21 divided by 4 gives -5 with a remainder of -1.
For positive values, there is no difference.
share
|
...
Programmatically obtain the Android API level of a device?
...
Vivek
8,4861313 gold badges7070 silver badges9999 bronze badges
answered Nov 2 '14 at 11:01
Arkadiusz Cieślińsk...
How do you rotate a two dimensional array?
...
63 Answers
63
Active
...
Validating IPv4 addresses with regexp
...
36 Answers
36
Active
...
Frequency table for a single variable
...
153
Maybe .value_counts()?
>>> import pandas
>>> my_series = pandas.Series([1,2,2...
How to return a part of an array in Ruby?
...#=> nil
a[1, 2] #=> [ "b", "c" ]
a[1..3] #=> [ "b", "c", "d" ]
a[4..7] #=> [ "e" ]
a[6..10] #=> nil
a[-3, 3] #=> [ "c", "d", "e" ]
# special cases
a[5] ...
