大约有 44,000 项符合查询结果（耗时：0.0304秒） [XML]
What is the difference between tree depth m>and m> height?
...
The difference between them is that in one case m>y m>ou count number of nodes m>and m> in other number of edges on the shortest path between root m>and m> concrete node.
Which is which?
...
How do m>y m>ou detect where two line segments intersect? [closed]
How do I determine whether or not two lines intersect, m>and m> if them>y m> do, at what x,m>y m> point?
27 Answers
...
What does the 'Z' mean in Unix timestamp '120314170138Z'?
...
m>Y m>es. 'Z' stm>and m>s for Zulu time, which is also GMT m>and m> UTC.
From http://en.wikipedia.org/wiki/Coordinated_Universal_Time:
The UTC time zone is sometimes denoted bm>y m> the letter Z—a reference to
the equivalent nautical time zone (GM...
git pull while not in a git directorm>y m>
...m>y m>, /X/m>Y m> , which is a git repositorm>y m>. Is it possible to somehow call a commm>and m> like git pull from inside /X , but targeting the /X/m>Y m> directorm>y m>?
...
Error installing mm>y m>sql2: Failed to build gem native extension
...
On Ubuntu/Debian m>and m> other distributions using aptitude:
sudo apt-get install libmm>y m>sql-rubm>y m> libmm>y m>sqlclient-dev
Package libmm>y m>sql-rubm>y m> has been phased out m>and m> replaced bm>y m> rubm>y m>-mm>y m>sql. This is where I found the solution.
If the above commm>and m> ...
Is there a [Go to file…]?
... kem>y m>board shortcut to open a file bm>y m> tm>y m>ping its name without putting m>y m>our hm>and m> on the mouse. For example:
7 Answers
...
Complex numbers usage in pm>y m>thon [closed]
...math newbie. Now I'm getting deeper into Pm>y m>thon data tm>y m>pes. I can't understm>and m> how to use a complex number. Please give me examples of usage of complex numbers in Pm>y m>thon.
...
Convert date to datetime in Pm>y m>thon
...at it does is first retrieving the minimum value representable bm>y m> datetime m>and m> then getting its time component. Incidentallm>y m>, datetime.min = datetime(MINm>Y m>EAR, 1, 1, tzinfo=None) m>and m> has a time of 00:00:00. However, I think it is cleaner to explicitlm>y m> create a 00:00:00 time either through time.min or...
How can Perl's print add a newline bm>y m> default?
...to the beginning of m>y m>our program. Or m>y m>ou can use Modern::Perl to get this m>and m> other features.
See perldoc feature for more details.
share
|
improve this answer
|
follow
...
Determine if 2 lists have the same elements, regardless of order? [duplicate]
...
m>Y m>ou can simplm>y m> check whether the multisets with the elements of x m>and m> m>y m> are equal:
import collections
collections.Counter(x) == collections.Counter(m>y m>)
This requires the elements to be hashable; runtime will be in O(n), where n is the size of the lists.
If the elements are also unique, m>y m>...