大约有 44,000 项符合查询结果（耗时：0.0618秒） [XML]
What is the opposite of :hover (on mouse leave)?
...
If I understand correctly you could do the same thing by moving your transitions to the link rather than the hover state:
ul li a {
color:#999;
transition: color 0.5s linear; /* vendorless fallback */
-o-transition: c...
How to optimize for-comprehensions and loops in Scala?
...imizer can eliminate the foreach but cannot yet eliminate the throw/catch. And throw/catch is expensive. But since such nested returns are rare in Scala programs, the optimizer did not yet address this case. There is work going on to improve the optimizer which hopefully will solve this issue soon.
...
How to split a string into an array of characters in Python?
...enous sequence of unicode characters its so cool to be working with Python and creator Guido has made it the better. Loving python for its wonderful capabilities.
– Doogle
Aug 20 '17 at 6:07
...
Why is sed not recognizing \t as a tab?
...
Not all versions of sed understand \t. Just insert a literal tab instead (press Ctrl-V then Tab).
share
|
improve this answer
|
fo...
How to send an email with Python?
This code works and sends me an email just fine:
11 Answers
11
...
Difference between classification and clustering in data mining? [closed]
Can someone explain what the difference is between classification and clustering in data mining?
21 Answers
...
Why is JSHINT complaining that this is a strict violation?
...l object (window in the browser). In strict mode, this would be undefined, and you would get in trouble.
Presumably, you mean to call this function with a bound this context, e.g. gotoPage.bind(myObj)(5) or gotoPage.call(myObj, 5). If so, you can ignore JSHint, as you will not generate any errors. ...
Parse date string and change format
... @nimmyliji: it was fixed 10 minutes before you posted your comment. and of course you should have date_string as a string.
– SilentGhost
Feb 15 '10 at 11:18
3
...
Substitute multiple whitespace with single whitespace in Python [duplicate]
...ity (if you'd rather avoid REs) is
' '.join(mystring.split())
The split and join perform the task you're explicitly asking about -- plus, they also do the extra one that you don't talk about but is seen in your example, removing trailing spaces;-).
...
How to get the size of a string in Python?
...
@cryanbhu I don't know why the OP wanted the size and that would affect the answer, but probably most useful would be len(s.encode('utf8')) or whatever other encoding is going to be used when writing to the file. Also, if they also want a terminating null then they'll need t...