大约有 45,000 项符合查询结果（耗时：0.0334秒） [XML]
Get nth character of a string in Swift programming language
... Note: This answer has been already edited, it is properly implemented and now works for substrings as well. Just make sure to use a valid range to avoid crashing when subscripting your StringProtocol type. For subscripting with a range that won't crash with out of range values you can use this impl...
What does `:_*` (colon underscore star) do in Scala?
...s taken as single arg
f(x:_*) // 2 as x is "unpacked" as a Seq[Any]*
So now we know what :_* do is to tell compiler : please unpack this argument and bind those elements to the vararg parameter in function call rather than take the x as a single argument .
So in a nutshell, the :_* is to remove ...
Regex to validate password strength
...ed to include your test case @PriyankBolia. See new robulink, which should now work.
– lsu_guy
Sep 18 at 19:56
add a comment
|
...
Favorite Django Tips & Features?
...s of ...', I am curious to hear about your favorite Django tips or lesser known but useful features you know of.
55 Answers...
background function in Python
...got a function that downloads the image needed and saves it locally. Right now it's run inline with the code that displays a message to the user, but that can sometimes take over 10 seconds for non-local images. Is there a way I could call this function when it's needed, but run it in the backgroun...
How do I concatenate two lists in Python?
...ession in Python; with it, joining two lists (applies to any iterable) can now also be done with:
>>> l1 = [1, 2, 3]
>>> l2 = [4, 5, 6]
>>> joined_list = [*l1, *l2] # unpack both iterables in a list literal
>>> print(joined_list)
[1, 2, 3, 4, 5, 6]
This functi...
How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
... and have it apply to just that project. Just thought some might want to know that here as well.
– Nick Gronow
Jun 2 '14 at 13:17
...
Cloning an Object in Node.js
....stringify(obj1));
Possibility 2 (deprecated)
Attention: This solution is now marked as deprecated in the documentation of Node.js:
The util._extend() method was never intended to be used outside of internal Node.js modules. The community found and used it anyway.
It is deprecated and should not b...
What's the difference between ES6 Map and WeakMap?
...eference, ever. That way garbage collection wouldn't be possible. I don't know if weak references are impossible or just don't make sense. But either way the key needs to be something that can be referenced weakly.
– Andreas Linnert
Jan 8 '16 at 14:00
...
Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8
...
@ Andrew Thank you. Now I found the setting. The problem was the german translation. They translated "user agent" with "Zeichenfolge des Benutzer-Agents" and I thought this meant the charset. Some things should not be translated ;)
...