大约有 47,000 项符合查询结果(耗时:0.0647秒) [XML]
Append TimeStamp to a File Name
...Time.Now.ToString("yyyyMMddHHmmssfff")
or string.Format
string.Format("{0:yyyy-MM-dd_HH-mm-ss-fff}", DateTime.Now);
or Interpolated Strings
$"{DateTime.Now:yyyy-MM-dd_HH-mm-ss-fff}"
There are following custom format specifiers y (year), M (month), d
(day), h (hour 12), H (hour 24), m (min...
Get the index of the nth occurrence of a string?
...
10 Answers
10
Active
...
Checking if array is multidimensional or not?
...anywhere. If it has to be in the first item, you'd just do
is_array($arr[0]);
But, the most efficient general way I could find is to use a foreach loop on the array, shortcircuiting whenever a hit is found (at least the implicit loop is better than the straight for()):
$ more multi.php
<?php...
How to get first N elements of a list in C#?
...
answered Nov 26 '08 at 7:28
Matt HamiltonMatt Hamilton
183k5959 gold badges376376 silver badges317317 bronze badges
...
How to iterate over associative arrays in Bash
...
answered Jun 24 '10 at 19:31
Paused until further notice.Paused until further notice.
286k8181 gold badges340340 silver badges409409 bronze badges
...
PyLint, PyChecker or PyFlakes? [closed]
...atis
import sys, time
stdout = sys.stdout
BAILOUT = 16
MAX_ITERATIONS = 1000
class Iterator(object) :
def __init__(self):
print 'Rendering...'
for y in xrange(-39, 39):
stdout.write('\n')
for x in xrange(-39, 39):
if self.mandelbrot(x...
How to make Twitter Bootstrap tooltips have multiple lines?
...ally be actual newlines. Alternatively, you can use encoded newlines &#013;, but that's probably even less desirable than using <br>'s.
share
|
improve this answer
|
...
Get the first N elements of an array?
...
370
Use array_slice()
This is an example from the PHP manual: array_slice
$input = array("a", "...
How to change the playing speed of videos in HTML5?
...o twice as fast */
document.querySelector('video').defaultPlaybackRate = 2.0;
document.querySelector('video').play();
/* now play three times as fast just for the heck of it */
document.querySelector('video').playbackRate = 3.0;
The above works on Chrome 43+, Firefox 20+, IE 9+, Edge 12+.
...
Fade Effect on Link Hover?
... |
edited Feb 24 '15 at 7:05
answered May 15 '11 at 12:37
M...
