大约有 10,000 项符合查询结果（耗时：0.0181秒） [XML]
Count the number occurrences of a character in a string
...
A fine idea, but overkill in this case. The string method 'count' does the same thing with the added bonus of being immediately obvious about what it is doing.
– nilamo
Jul 20 '09 at 20:18
...
List files with certain extensions with ls and grep
...actually, it won't. Find appears to use implied anchors. The dot is a good idea (only one backslash is needed).
– Paused until further notice.
Feb 28 '17 at 0:24
add a comment...
Remove duplicate lines without sorting [duplicate]
...
Easy to understand, and this is often valuable. Any ideas of performance with big files against shortest Michael Hoffman's solution above?
– Sopalajo de Arrierez
Jan 1 '15 at 2:50
...
Can you have if-then-else logic in SQL? [duplicate]
...ly return 1 resut set? Also, does anyone back up @mson on this being a bad idea?
– Cotten
Feb 28 '13 at 9:29
new quest...
UICollectionView auto scroll to cell at IndexPath
...he name of that object. But don't know how to put correct indexPath... Any ideas?
– AlexanderZ
Apr 13 '13 at 17:55
...
git pull aborted with error filename too long
... my cloning still gets aborted. I'm using git version 1.8.4.msysgit.0, any idea?
– Simple-Solution
Mar 24 '17 at 14:11
...
How can I get a favicon to show up in my django app?
...
Sounds like a good idea. Can you point me to a link that explains how to do this?
– jononomo
Feb 21 '14 at 15:14
3
...
Removing App ID from Developer Connection
...sort of history related to your login.
It seems that they finally changed idea about.
share
|
improve this answer
|
follow
|
...
Make child visible outside an overflow:hidden parent
... it and layer ontop of the floating elements. However, this is a very good idea and I will play with it more to see if I can get it to behave correctly, and comeback to vote. Thank you :).
– marknadal
Jan 29 '12 at 10:39
...
Scala Doubles, and Precision
...uy pointed out. (Thanks!)
If you want it to be fast, Kaito has the right idea. math.pow is slow, though. For any standard use you're better off with a recursive function:
def trunc(x: Double, n: Int) = {
def p10(n: Int, pow: Long = 10): Long = if (n==0) pow else p10(n-1,pow*10)
if (n < 0...