大约有 40,000 项符合查询结果（耗时：0.0609秒） [XML]
Extract a substring according to a pattern
...)
strapplyc(string, ":(.*)", simplify = TRUE)
## [1] "E001" "E002" "E003"
6) read.dcf
This one only works if the substrings prior to the colon are unique (which they are in the example in the question). Also it requires that the separator be colon (which it is in the question). If a different sep...
How to write to a file, using the logging Python module?
...
make sure this is not under if __name__ == '__main__': if running on apache
– Rami Alloush
Apr 14 '19 at 19:08
...
Regex to validate password strength
... |
edited Mar 29 '16 at 10:14
Alan Moore
66.5k1111 gold badges8787 silver badges145145 bronze badges
...
Is there a generator version of `string.split()` in Python?
...
xiº
3,85833 gold badges2020 silver badges3636 bronze badges
answered Mar 19 '12 at 12:41
ninjageckoninjagecko
72.5k2121 ...
Injecting a mock into an AngularJS service
...
edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Sep 12 '13 at 5:53
...
What is the (function() { } )() construct in JavaScript?
...
876
It’s an Immediately-Invoked Function Expression, or IIFE for short. It executes immediately af...
Why {} + {} is NaN only on the client side? Why not in Node.js?
...
answered Jun 24 '13 at 6:39
Benjamin GruenbaumBenjamin Gruenbaum
235k7777 gold badges459459 silver badges466466 bronze badges
...
How to send an email with Gmail as provider using Python?
...
MattHMattH
31.7k88 gold badges7676 silver badges8080 bronze badges
2
...