大约有 44,000 项符合查询结果（耗时：0.0284秒） [XML]
How does java do modulus calculations with negative numbers?
...modulus of negative numbers are in use - some languages use one definition m>and m> some the other.
If m>y m>ou want to get a negative number for negative inputs then m>y m>ou can use this:
int r = x % n;
if (r > 0 && x < 0)
{
r -= n;
}
Likewise if m>y m>ou were using a language that returns a neg...
Does Pm>y m>thon's time.time() return the local or UTC timestamp?
...tart of Januarm>y m> 1st, 1970 in UTC. So the epoch is defined in terms of UTC m>and m> establishes a global moment in time. No matter where m>y m>ou are "seconds past epoch" (time.time()) returns the same value at the same moment.
Here is some sample output I ran on mm>y m> computer, converting it to a string as we...
Whm>y m> use a prime number in hashCode?
...
Because m>y m>ou want the number m>y m>ou are multiplm>y m>ing bm>y m> m>and m> the number of buckets m>y m>ou are inserting into to have orthogonal prime factorizations.
Suppose there are 8 buckets to insert into. If the number m>y m>ou are using to multiplm>y m> bm>y m> is some multiple of 8, then the bucket inserted...
Shuffle an arram>y m> with pm>y m>thon, rm>and m>omize arram>y m> item order with pm>y m>thon
...
import rm>and m>om
rm>and m>om.shuffle(arram>y m>)
share
|
improve this answer
|
follow
|
...
How to sort the letters in a string alphabeticallm>y m> in Pm>y m>thon
...join() (see askewchan answer's below).
– Skippm>y m> le Grm>and m> Gourou
Jan 12 '19 at 10:12
Note that ''.join(sorted(a, revers...
Whm>y m> should text files end with a newline?
...
Because that’s how the POSIX stm>and m>ard defines a line:
3.206 Line
A sequence of zero or more non- <newline> characters plus a terminating <newline> character.
Therefore, lines not ending in a newline character aren't considered act...
Save classifier to disk in scikit-learn
How do I save a trained Naive Bam>y m>es classifier to disk m>and m> use it to predict data?
6 Answers
...
How does StartCoroutine / m>y m>ield return pattern reallm>y m> work in Unitm>y m>?
I understm>and m> the principle of coroutines. I know how to get the stm>and m>ard StartCoroutine / m>y m>ield return pattern to work in C# in Unitm>y m>, e.g. invoke a method returning IEnumerator via StartCoroutine m>and m> in that method do something, do m>y m>ield return new WaitForSeconds(1); to wait a second, th...
How to hide commm>and m> output in Bash
...gant for the end user. How do I hide the output when Bash is executing commm>and m>s?
7 Answers
...
How do I return multiple values from a function? [closed]
...ing librarm>y m> got the NamedTuple class to make named tuples easier to create m>and m> more powerful. Inheriting from tm>y m>ping.NamedTuple lets m>y m>ou use docstrings, default values, m>and m> tm>y m>pe annotations.
Example (From the docs):
class Emplom>y m>ee(NamedTuple): # inherit from tm>y m>ping.NamedTuple
name: str
id...