大约有 33,000 项符合查询结果(耗时:0.0497秒) [XML]
Is there a performance difference between a for loop and a for-each loop?
...ng strings.get(i) */ }
Second, the preferred way since it's less error prone (how many times have YOU done the "oops, mixed the variables i and j in these loops within loops" thing?).
for (String s : strings) { /* do something using s */ }
Third, the micro-optimized for loop:
int size = string...
How to implement a ViewPager with different Fragments / Layouts
...agments between which can be switched via swipe to the left or right. Only one Fragment can be displayed at the same time of course.
Last but not least:
I would recommend that you use an empty constructor in each of your
Fragment classes.
Instead of handing over potential parameters via con...
How to squash all git commits into one?
...
@Pred Don’t use squash for all commits. The very first one needs to be pick.
– Geert
Jan 5 '15 at 14:38
18
...
How to pass command line argument to gnuplot?
...
@Chong: Either string them together or give each one in an -e argument, e.g. -e "filename='default.data'; foo='bar'" or -e "filename='default.data'" -e "foo='bar"'.
– Thor
Feb 2 '16 at 16:37
...
How to join two sets in one line without using “|”
...some cases), you can use set.update():
S.update(T)
The return value is None, but S will be updated to be the union of the original S and T.
share
|
improve this answer
|
f...
Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
..., in general, they are interchangeable, apart from the exceptions you mentioned for escaped characters. However, I don't know and cannot say whether all modern shells and all modern *nixes support both forms. I doubt that they do, especially older shells/older *nixes. If I were you, I wouldn't depen...
Sequence contains more than one element
... was correct and the exception clearly states the collection has more than one element which prevents SingleOrDefault from ever working. True it may be possible to have a better database design here but that seems more appropriate as a comment on the OP and not a -1 on an answer.
...
Understanding how recursive functions work
...y copies of the same function being called", then it may be clearer:
Only one copy of the function ever returns 0, and it's not the first one (it's the last one). So the result of calling the first one is not 0.
For the second bit of confusion, I think it will be easier to spell out the recursion ...
jQuery hasClass() - check for more than one class
...ements that have both classes. I think Marcel is looking for elements with one or more of a number of classes.
– Giles Van Gruisen
Feb 6 '10 at 22:19
...
Get local IP address
...
I'm Using Geraldo H Answer, but if anyone is using this, you may want to remove all ips that ends with 1, so it will remove loopback and virtualbox/vmware default ips
– Leonardo Xavier
Jun 23 '15 at 13:03
...
