大约有 37,908 项符合查询结果（耗时：0.0489秒） [XML]
Using an ORM or plain SQL? [closed]
...t justified by the abstraction.
There's another problem which takes a bit more explanation.
The traditional model for a Web application is to have a persistence layer and a presentation layer (possibly with a services or other layers in between but these are the important two for this discussion). ...
How to extract the decision rules from scikit-learn decision-tree?
...
I believe that this answer is more correct than the other answers here:
from sklearn.tree import _tree
def tree_to_code(tree, feature_names):
tree_ = tree.tree_
feature_name = [
feature_names[i] if i != _tree.TREE_UNDEFINED else "undefin...
Python list subtraction operation
.... [1,1,2,2] - [2] gives [1,1] So it is not really list substraction, it is more like "List from List X without elements from set Y".
– Alfred Zien
Feb 6 '16 at 10:25
...
How to use the IEqualityComparer
...ry code. It could be rewritten as follows (same semantics, ¼ of the code, more readable):
public bool Equals(Class_reglement x, Class_reglement y)
{
return x.Numf == y.Numf;
}
Lastly, the ToList call is unnecessary and time-consuming: AddRange accepts any IEnumerable so conversion to a List ...
py2exe - generate single executable file
...eally well for an app which depends on PyQt, PyQwt, numpy, scipy and a few more.
share
|
improve this answer
|
follow
|
...
Is there a Java API that can create rich Word documents? [closed]
...r. I'm going to mark it "accepted". Though I fully recognize that POI is more mainstream, it just doesn't have the functionality I want yet.
– billjamesdev
Nov 4 '09 at 22:47
...
Case insensitive XPath contains() possible?
...il when search strings can contain single quotes, in which case things get more complicated.
share
|
improve this answer
|
follow
|
...
Get bitcoin historical data [closed]
...
|
show 9 more comments
31
...
Circle-Rectangle collision detection (intersection)
... @paniq: Well, both are constant-time. :-) But yes, this is more useful as a general solution, covering rectangles with any orientation, and in fact any simple polygon.
– ShreevatsaR
Jul 10 '11 at 10:31
...