大约有 13,906 项符合查询结果（耗时：0.0271秒） [XML]
Generate a random point within a circle (uniformly)
...t uniformly in a triangle ABC, where |AB|=|BC|? Let's make this easier by extending to a parallelogram ABCD. It's easy to generate points uniformly in ABCD. We uniformly pick a random point X on AB and Y on BC and choose Z such that XBYZ is a parallelogram. To get a uniformly chosen point in the ori...
Changing UIImage color
...e = <# UIImage #>;// Image to mask with
UIGraphicsBeginImageContextWithOptions(image.size, NO, image.scale);
CGContextRef context = UIGraphicsGetCurrentContext();
[color setFill];
CGContextTranslateCTM(context, 0, image.size.height);
CGContextScaleCTM(context, 1.0, -1.0);
...
How can you determine a point is between two other points on a line segment?
...o dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point.
20 Ans...
Counting the number of elements with the values of x in a vector
... a great point. These are all integers, so it isn't a real issue in this example, right?
– Shane
Dec 17 '09 at 18:18
...
convert a list of objects from one type to another using lambda expression
...producing a list of objects of a different type. I was told that a lambda expression can achieve the same result.
13 Answer...
What is the best (idiomatic) way to check the type of a Python variable? [duplicate]
...se collections.Mapping instead of dict as per the ABC PEP.
def value_list(x):
if isinstance(x, dict):
return list(set(x.values()))
elif isinstance(x, basestring):
return [x]
else:
return None
...
RE error: illegal byte sequence on Mac OS X
I'm trying to replace a string in a Makefile on Mac OS X for cross-compiling to iOS. The string has embedded double quotes. The command is:
...
What's the pythonic way to use getters and setters?
...he sample code is:
class C(object):
def __init__(self):
self._x = None
@property
def x(self):
"""I'm the 'x' property."""
print("getter of x called")
return self._x
@x.setter
def x(self, value):
print("setter of x called")
self._...
YAML mime type?
...
Ruby on Rails uses application/x-yaml with an alternative of text/yaml (source).
I think it's just a matter of convention, there is no technical why, as far as I can tell.
share
...
How to add an object to an array
How can I add an object to an array (in javascript or jquery)?
For example, what is the problem with this code?
13 Answ...