大约有 45,000 项符合查询结果（耗时：0.0582秒） [XML]
How do you debug PHP scripts? [closed]
...
share
edited Mar 2 '16 at 5:37
community wiki
...
Is there a literal notation for an array of symbols?
...
2 Answers
2
Active
...
Catch paste input
...
ChrisF♦
124k2828 gold badges239239 silver badges311311 bronze badges
answered Oct 1 '09 at 11:35
Evgeni DimovE...
Is it possible to serialize and deserialize a class in C++?
...
answered Oct 24 '08 at 18:24
Head GeekHead Geek
32.5k2020 gold badges7272 silver badges8282 bronze badges
...
How do I invoke a Java method when given the method name as a string?
...
21 Answers
21
Active
...
Detect iPad users using jQuery?
...
|
edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Jan 6 '11 at 17:17
...
Working with time DURATION, not time of day
..., you can simply use subtraction, e.g.
A1: Start: 36:00 (=1.5)
A2: End: 60:00 (=2.5)
A3: Duration: =A2-A1 24:00 (=1.0)
share
|
improve this answer
|
...
How to get last items of a list in Python?
... Here's an example using the python CLI interpreter:
>>> a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a[-9:]
[4, 5, 6, 7, 8, 9, 10, 11, 12]
the important line is a[-9:]
...
How to overcome root domain CNAME restrictions?
...owever, you'll find that this is not exactly what it says. In fact, RFC 1912 states:
Don't go overboard with CNAMEs. Use them when renaming hosts, but plan to get rid of them (and inform your users).
Some DNS hosts provide a way to get CNAME-like functionality at the zone apex (the root domain...
How can I check for “undefined” in JavaScript? [duplicate]
...
2746
If you are interested in finding out whether a variable has been declared regardless of its v...