大约有 44,000 项符合查询结果（耗时：0.0878秒） [XML]
Regex - how to match everything except a particular pattern
...to an error. See this for an example. What the page doesn't say is that it converted /(ac|bd)/ into /(a[^c]?|b[^d]?|[^ab])/. The conversion from a DFA back to a regular expression is not trivial. It is easier if you can use the regular expression unchanged and change the semantics in code, like sugg...
How to read file from relative path in Java project? java.io.File cannot find the path specified
...
How to convert this to an InputStream?
– IgorGanapolsky
Mar 22 '16 at 20:35
1
...
Position a CSS background image x pixels from the right?
... @ValentinE that works for me too :-) I definitely saw this converted to 90% though - and I had cut and pasted this directly from chrome. unless there was a strange bug in a dev build of chrome I'm not sure why
– Simon_Weaver
Jul 29 '14 at 19:06
...
How to make an unaware datetime timezone aware in python
...
I use this statement in Django to convert an unaware time to an aware:
from django.utils import timezone
dt_aware = timezone.make_aware(dt_unaware, timezone.get_current_timezone())
...
Sort array of objects by object fields
...ber > $second->number;
});
UPDATED
with the string don't forget to convert to the same register (upper or lower)
// Desc sort
usort($array,function($first,$second){
return strtolower($first->text) < strtolower($second->text);
});
// Asc sort
usort($array,function($first,$secon...
How many and which are the uses of “const” in C++?
...y obscure to me, one of these is const . You can use it in so many places and with so many different effects that is nearly impossible for a beginner to come out alive. Will some C++ guru explain once forever the various uses and whether and/or why not to use them?
...
Declaring variables inside or outside of a loop
...that str absolutely ought to be declared within the while loop. No ifs, no ands, no buts.
The only case where this rule might be violated is if for some reason it is of vital importance that every clock cycle must be squeezed out of the code, in which case you might want to consider instantiating s...
Make Adobe fonts work with CSS3 @font-face in IE9
...w this by seeing your font in other browsers). If you need an online font converter, check here: https://onlinefontconverter.com/
Finally, To get rid of the "CSS3114" error. For an online tool, click here: https://www.andrebacklund.com/fontfixer.html
...
Prevent “overscrolling” of web page
... property has worked bug-free in Edge as well since version 79 when it got converted to use Chromium under-the-hood. The property also somewhat worked in the prior version, 18 but through a bug. Alternatively the other solution not using overscroll-behaviour-y property should work in earlier version...
OS X Bash, 'watch' command
...
The shells above will do the trick, and you could even convert them to an alias (you may need to wrap in a function to handle parameters):
alias myWatch='_() { while :; do clear; $2; sleep $1; done }; _'
Examples:
myWatch 1 ls ## Self-explanatory
myWatch 5 "ls -lF $HOME" ## Ever...