大约有 46,000 项符合查询结果（耗时：0.0723秒） [XML]
linq where list contains any in list
...ains method for these kind of queries. I was curious by seeing your answer and checked the internal implementation and found that Intersect uses Set. Can you tell me the performance difference between those two methods?
– rebornx
Feb 17 '17 at 9:02
...
How can I format a number into a string with leading zeros?
...
Rather simple:
Key = i.ToString("D2");
D stands for "decimal number", 2 for the number of digits to print.
share
|
improve this answer
|
follo...
How to copy files from 'assets' folder to sdcard?
...red Dec 25 '10 at 12:43
Rohith NandakumarRohith Nandakumar
10.9k1010 gold badges4747 silver badges5858 bronze badges
...
Why is `replace` property deprecated in AngularJS directives? [duplicate]
...
This feature has difficult semantics (e.g. how attributes are merged)
and leads to more problems compared to what it solves. Also, with
WebComponents it is normal to have custom elements in the DOM.
It sounds to me like its a combination of complexity vs benefit to maintain support.
And ap...
Emacs bulk indent for Python
...by two levels of indention, or some arbitary amount you can prefix the command with an argument:
C-u 8 C-c > shifts the region 8 spaces to the right
C-u 8 C-c < shifts the region 8 spaces to the left
Another alternative is to use M-x indent-rigidly which is bound to C-x TAB:
C-u 8 ...
How do I get a list of all the duplicate items using pandas in python?
...of the duplicate items so I can manually compare them. When I try to use pandas duplicated method , it only returns the first duplicate. Is there a a way to get all of the duplicates and not just the first one?
...
ImportError in importing from sklearn: cannot import name check_build
...Mannu Yes; Also for me on jupyter notebook, just restarting (shutting down and click-open again) that ipynb py-kernel worked without restarting all of the jupyter notebook.
– Abhimanu Kumar
May 2 '18 at 15:01
...
How do I ignore the authenticity token for specific actions in Rails?
..._action :verify_authenticity_token, except: [:create, :update, :destroy]
And Rails 3:
skip_before_filter :verify_authenticity_token
For previous versions:
For individual actions, you can do:
protect_from_forgery :only => [:update, :destroy, :create]
#or
protect_from_forgery :except =>...
Get __name__ of calling function's module in Python
... this will interact strangely with import hooks, won't work on ironpython, and may behave in surprising ways on jython. It's best if you can avoid magic like this.
– Glyph
Jul 9 '09 at 11:24
...
How to draw a line in android
Can anybody tell how to draw a line in Android, perhaps with an example?
15 Answers
1...