大约有 31,500 项符合查询结果（耗时：0.0539秒） [XML]
Is Random class thread safe?
...share one instance of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular?
...
How to convert C# nullable int to int
...
The other answers so far are all correct; I just wanted to add one more that's slightly cleaner:
v2 = v1 ?? default(int);
Any Nullable<T> is implicitly convertible to its T, PROVIDED that the entire expression being evaluated can never result in...
Can Flask have optional URL parameters?
...
You can try pip install flask_optional_routes. I created a pip for the functionality you are requesting b/c I needed it as well. The code is located at: github.com/sudouser2010/flask_optional_routes.
– sudouser2010
...
Set active tab style with AngularJS
...
i actually haven't been able to get this working. would you be able to provide a plnkr?
– PPPaul
Mar 7 '13 at 22:44
...
Can't connect to MySQL server error 111 [closed]
I installed mysql server on linux box IP = 192.168.1.100 but when i try to connect to this IP it alway error(111). but use localhost and 127.0.0.1 is OK.
...
How to clean project cache in Intellij idea like Eclipse's clean?
...
Depending on the version you are running. It is basically the same just go to
File -> Invalidate caches, then restart Intellij
or
File -> Invalidate caches / Restart
The main difference is that in older versions you had to manually restart as cache files are not removed...
Array initialization syntax when not in a declaration
... it can distinguish the two cases. The grammatical issue is not subtle at all!!
– Stephen C
Mar 22 '11 at 11:12
...
Alphabet range in Python
...gt;>> string.ascii_lowercase
'abcdefghijklmnopqrstuvwxyz'
If you really need a list:
>>> list(string.ascii_lowercase)
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
And to do it with range
>&g...
git ahead/behind info between master and branch?
...
First of all to see how many revisions you are behind locally, you should do a git fetch to make sure you have the latest info from your remote.
The default output of git status tells you how many revisions you are ahead or behind, b...
Pull request vs Merge request
...
@stevemao can we access them? Are they really read only as we can resolve conflicts on them?
– Robert Koritnik
Dec 27 '15 at 9:41
12
...