大约有 44,000 项符合查询结果(耗时:0.0749秒) [XML]
What do 3 dots next to a parameter type mean in Java?
...who decided to use optional arguments to properly implement the method to handle having zero or more of them.
– kiswa
May 16 '13 at 13:08
1
...
Sort a list by multiple attributes?
...1], x[2]))
Or you can achieve the same using itemgetter (which is faster and avoids a Python function call):
import operator
s = sorted(s, key = operator.itemgetter(1, 2))
And notice that here you can use sort instead of using sorted and then reassigning:
s.sort(key = operator.itemgetter(1, 2)...
How to sort an IEnumerable
... .ToList();
or (if you want to later add more items to the list and keep it sorted)
_components = xml.Descendants("component")
.Select(c => (string)c)
.Distinct()
.ToList();
_components.Add("foo");
_components.Sort();
...
Django vs. Model View Controller [closed]
Can somebody explain me where the diferences are between Django and the Model View Controller pattern?
4 Answers
...
Removing a list of characters in string
...
If you're using python2 and your inputs are strings (not unicodes), the absolutely best method is str.translate:
>>> chars_to_remove = ['.', '!', '?']
>>> subj = 'A.B!C?'
>>> subj.translate(None, ''.join(chars_to_remove))...
How to serve an image using nodejs
...
2016 Update
Examples with Express and without Express that actually work
This question is over 5 years old but every answer has some problems.
TL;DR
Scroll down for examples to serve an image with:
express.static
express
connect
http
net
All of the exa...
Why use String.Format? [duplicate]
Why would anyone use String.Format in C# and VB .NET as opposed to the concatenation operators ( & in VB, and + in C#)?
...
What is the most frequent concurrency issue you've encountered in Java? [closed]
...So, please leave one specific answer of a Java concurrency bug per comment and vote up if you see one you've encountered.
4...
Animation CSS3: display + opacity
...could add visibility: hidden; to .child / visibility:visible; to the hover and this should fix the screen reader problem
– csilk
Jan 12 '15 at 23:41
add a comment
...
FFmpeg: How to split video efficiently?
...ers that question, so I did as @AlcubierreDrive suggested…
echo "Two commands"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv
echo "One comman...