大约有 5,476 项符合查询结果（耗时：0.0282秒） [XML]
Find first element by predicate
... for same operation...
public class StreamPerfTest {
int iterations = 100;
List<Integer> list = Arrays.asList(1, 10, 3, 7, 5);
// 55 ms
@Test
public void stream() {
for (int i = 0; i < iterations; i++) {
Optional<Integer> result = list.strea...
NumPy array initialization (fill with identical values)
...s fastest.
In descending speed order:
%timeit a=np.empty(1e4); a.fill(5)
100000 loops, best of 3: 5.85 us per loop
%timeit a=np.empty(1e4); a[:]=5
100000 loops, best of 3: 7.15 us per loop
%timeit a=np.ones(1e4)*5
10000 loops, best of 3: 22.9 us per loop
%timeit a=np.repeat(5,(1e4))
10000 loop...
Are nested try/except blocks in python a good programming practice?
...case first finally is touched BUT skipped too.
def a(z):
try:
100/z
except ZeroDivisionError:
try:
print('x')
finally:
return 42
finally:
return 1
In [1]: a(0)
x
Out[1]: 1
...
Rerender view on browser resize with React
...{
const handleResize = _debounce(() => setWidth(window.innerWidth), 100)
window.addEventListener('resize', handleResize);
return () => {
window.removeEventListener('resize', handleResize);
}
}, [])
return <>Width: {width}</>
}
...
Advances social tools app with cool UI - Koded Apps - Kodular Community
... opacity: 1;
transform: scale(0.7);
}
100% {
opacity: 0;
transform: scale(1);
}
}
html {
overflow-y: hidden !important;
}
/* user picked a theme where the "regular" scheme is dark */
...
How to set size for local image using knitr for markdown?
... you will have to specify units for the figure dimensions, e.g. out.width='100pt', otherwise latex will throw an error about illegal unit of measure.
– andybega
Apr 15 '16 at 11:23
...
Is there a git-merge --dry-run option?
...clieop master` clieop master | grep -A3 "changed in both" Simply awesome! +100
– Rudie
Aug 9 '13 at 20:38
...
How to change time and timezone in iPhone simulator?
..., or 'discharging'.
--batteryLevel <int>
If specified must be 0-100.
The time can be any string. But if you want the device to show the date you will need use the ISO format.
For example a valid ISO date string would be '2007-01-09T10:41:00+01:00'
Otherwise you can use the time paramet...
How can I detect when the mouse leaves the window?
...
100
Please keep in mind that my answer has aged a lot.
This type of behavior is usually desired wh...
How do I Search/Find and Replace in a standard string?
...eases compile time considerably on embedded devices. Even ARMv7 quad core. 100 lines of code compile in 2 minutes, without boost, 2 seconds.
– Piotr Kula
Jun 9 '15 at 20:07
4
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