大约有 48,000 项符合查询结果（耗时：0.0729秒） [XML]
Python list iterator behavior and next(iterator)
...
199
What you see is the interpreter echoing back the return value of next() in addition to i being...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...
answered Dec 4 '12 at 0:11
sgesge
5,95011 gold badge1212 silver badges1616 bronze badges
...
How to split a sequence into two pieces by predicate?
...
195
By using partition method:
scala> List(1,2,3,4).partition(x => x % 2 == 0)
res0: (List...
Boolean operators && and ||
...an return a vector, like this:
((-2:2) >= 0) & ((-2:2) <= 0)
# [1] FALSE FALSE TRUE FALSE FALSE
The longer form evaluates left to right examining only the first element of each vector, so the above gives
((-2:2) >= 0) && ((-2:2) <= 0)
# [1] FALSE
As the help page says...
Difference between `mod` and `rem` in Haskell
...
183
They're not the same when the second argument is negative:
2 `mod` (-3) == -1
2 `rem` (-3) ...
How to break nested loops in JavaScript? [duplicate]
...
15 Answers
15
Active
...
Counting the Number of keywords in a dictionary in python
...
|
edited Feb 7 '10 at 5:11
answered Feb 6 '10 at 7:41
...
Anonymous recursive PHP functions
...rence
$factorial = function( $n ) use ( &$factorial ) {
if( $n == 1 ) return 1;
return $factorial( $n - 1 ) * $n;
};
print $factorial( 5 );
share
|
improve this answer
|
...
What is the maximum number of characters that nvarchar(MAX) will hold?
...
155
Max. capacity is 2 gigabytes of space - so you're looking at just over 1 billion 2-byte charac...
Delete element in a slice
...d i is the index of the element you want to delete:
a = append(a[:i], a[i+1:]...)
... is syntax for variadic arguments in Go.
Basically, when defining a function it puts all the arguments that you pass into one slice of that type. By doing that, you can pass as many arguments as you want (for ex...