大约有 46,000 项符合查询结果（耗时：0.0356秒） [XML]
List comprehension: Returning two (or more) items for each item
...= lambda x: x + 2; g = lambda x: x ** 2',
number=20)
2.69210777094
3.13900787874
1.62461071932
25.5944058287
29.2623711793
25.7211849286
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improve t...
Sorting arrays in NumPy by column
...y be made less ugly?
– endolith
Aug 21 '13 at 3:15
4
What if the values in the array are float? S...
Best way to list files in Java, sorted by Date Modified?
... |
edited May 3 '10 at 21:16
Yishai
83k2626 gold badges172172 silver badges248248 bronze badges
answe...
Fastest way to list all primes below N
...gt;, Nov 30 2006
# http://groups.google.com/group/comp.lang.python/msg/f1f10ced88c68c2d
if n <= 2:
return []
sieve = range(3, n, 2)
top = len(sieve)
for si in sieve:
if si:
bottom = (si*si - 3) // 2
if bottom >= top:
b...
Rearrange columns using cut
...
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edited May 21 '14 at 4:17
bcorso
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...
Calling dynamic function with dynamic number of parameters [duplicate]
... |
edited Aug 11 '16 at 21:06
Zach Posten
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answ...
How do I PHP-unserialize a jQuery-serialized form?
...
answered Sep 28 '10 at 21:35
Chris Allen LaneChris Allen Lane
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...
How are virtual functions and vtable implemented?
...ut that's what I've generally observed.
class A {
public:
virtual int f1() = 0;
};
class B : public A {
public:
virtual int f1() { return 1; }
virtual int f2() { return 2; }
};
class C : public A {
public:
virtual int f1() { return -1; }
virtual int f2() { return -2; }
};
A *x = ne...
What does T&& (double ampersand) mean in C++11?
...y.
– Maxim Egorushkin
Jul 31 '13 at 21:30
32
CAUTION: the linked article on MSDN ("Rvalue Referen...
What is the best way to compare floats for almost-equality in Python?
...de the greater.
– Mackie Messer
Mar 21 '17 at 13:57
3
@MackieMesser you're entitled to your opini...