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ISO time (ISO 8601) in Python
...string while preserving the fact that it was created in the Eastern Time Zone (ET) .
13 Answers
...
Does the ternary operator exist in R?
...] 1
> x <- if(a==2) 1 else 2
> x
[1] 2
The power of R is vectorization. The vectorization of the ternary operator is ifelse:
> a <- c(1, 2, 1)
> x <- ifelse(a==1, 1, 2)
> x
[1] 1 2 1
> x <- ifelse(a==2, 1, 2)
> x
[1] 2 1 2
Just kidding, you can define c-style ...
【研究中】高德地图API研究及接入 - App应用开发 - 清泛IT社区，为创新赋能！
...ttps://lbs.amap.com/api/webservice/guide/api/newroute
高德地图支持XYZ格式。XYZ格式是一种瓦片地图服务，将地图分成无数个小块，每个块对应一个特定的URL。高德地图提供了XYZ格式的瓦片服务，可以通过XYZ方式加载高德地图。
如何使...
What is the best way to tell if a character is a letter or number in Java without using regexes?
What is the best and/or easiest way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks.
...
Efficiently replace all accented characters in a string?
...his to modify the interally-used regex:
makeSortString.translate_re = /[a-z]/g;
So, there is that option.
One way to get a closure, and thus prevent someone from modifying the regex, would be to define this as an anonymous function assignment like this:
var makeSortString = (function() {
var ...
Compare if two variables reference the same object in python
...
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answered Mar 26 '11 at 20:29
Jochen RitzelJochen Ritzel
89.3k2525 go...
Reduce, fold or scan (Left/Right)?
...value AB in *first* operator arg `res`
// res: String = ABC
abc.foldLeft("z")(add) // with start value "z"
// op: z + A = zA // initial extra operation
// op: zA + B = zAB
// op: zAB + C = zABC
// res: String = zABC
abc.scanLeft("z")(add)
// op: z + A = zA // same operations as foldLeft ...
How can I get the intersection, union, and subset of arrays in Ruby?
...
Utilizing the fact that you can do set operations on arrays by doing &(intersection), -(difference), and |(union).
Obviously I didn't implement the MultiSet to spec, but this should get you started:
class MultiSet
attr_acc...
How to configure IntelliJ (also Android Studio) redo shortcut to CTRL+Y instead of CTRL+SHIFT+Z?
...efault IntelliJ / Android Studio "Redo" action shortcut is CTRL + Shift + Z and this is a common problem for Windows users.
...
Can I set an opacity only to the background image of a div?
...>
Hi there
</div>
CSS
.myDiv {
position: relative;
z-index: 1;
}
.myDiv .bg {
position: absolute;
z-index: -1;
top: 0;
bottom: 0;
left: 0;
right: 0;
background: url(test.jpg) center center;
opacity: .4;
width: 100%;
height: 100%;
}
S...