大约有 47,000 项符合查询结果（耗时：0.0748秒） [XML]
One-line list comprehension: if-else variants
...sion you're returning for each element. Thus you need:
[ x if x%2 else x*100 for x in range(1, 10) ]
The confusion arises from the fact you're using a filter in the first example, but not in the second. In the second example you're only mapping each value to another, using a ternary-operator expr...
How do you calculate log base 2 in Java for integers?
...
10 Answers
10
Active
...
Postgresql SELECT if string contains
... Frans van BuulFrans van Buul
1,65911 gold badge1010 silver badges66 bronze badges
5
...
What is the reason for having '//' in Python? [duplicate]
...erands was already a floating point number.
In Python 2.X:
>>> 10/3
3
>>> # to get a floating point number from integer division:
>>> 10.0/3
3.3333333333333335
>>> float(10)/3
3.3333333333333335
In Python 3:
>>> 10/3
3.3333333333333335
>>> 1...
How to split() a delimited string to a List
...
330
string.Split() returns an array - you can convert it to a list using ToList():
listStrLineEleme...
What does the servlet value signify
...
Resin 3.0 documents this behavior:
load-on-startup can specify an (optional) integer value. If the value is 0 or greater,
it indicates an order for servlets to be loaded, servlets with higher numbers get
loaded after servlets...
Making interface implementations async
...
answered Jan 22 '13 at 13:00
svicksvick
205k4747 gold badges335335 silver badges455455 bronze badges
...
How to change the DataTable Column Name?
...
answered Jun 20 '11 at 5:47
MoonMoon
25.5k1616 gold badges6868 silver badges120120 bronze badges
...
How to match all occurrences of a regex
...
Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Sep 17 '08 at 5:53
JeanJean
2...
Pad a number with leading zeros in JavaScript [duplicate]
...a lot of "slick" going on so far:
function pad(n, width, z) {
z = z || '0';
n = n + '';
return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n;
}
When you initialize an array with a number, it creates an array with the length set to that value so that the array appear...