大约有 46,000 项符合查询结果（耗时：0.0345秒） [XML]
How to create a colored 1x1 UIImage on the iPhone dynamically?
...c image(with color: UIColor) -> UIImage {
let rect = CGRectMake(0.0, 0.0, 1.0, 1.0)
UIGraphicsBeginImageContext(rect.size)
let context = UIGraphicsGetCurrentContext()
CGContextSetFillColorWithColor(context, color.CGColor)
CGContextFillRect(context, rect)
...
Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
...
Dyin
6,91066 gold badges3939 silver badges5959 bronze badges
answered Aug 29 '13 at 6:03
Greg HewgillGreg Hewg...
How to crop an image in OpenCV using Python
...)
crop_img = img[y:y+h, x:x+w]
cv2.imshow("cropped", crop_img)
cv2.waitKey(0)
share
|
improve this answer
|
follow
|
...
How do I catch a numpy warning like it's an exception (not just for testing)?
...
205
It seems that your configuration is using the print option for numpy.seterr:
>>> impo...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...
|
edited Oct 7 '09 at 0:02
answered Oct 6 '09 at 23:52
...
How do I find out which process is locking a file using .NET?
...
answered Nov 25 '08 at 11:48
oriporip
63.3k2020 gold badges110110 silver badges144144 bronze badges
...
Why does Decimal.Divide(int, int) work, but not (int / int)?
How come dividing two 32 bit int numbers as ( int / int ) returns to me 0 , but if I use Decimal.Divide() I get the correct answer? I'm by no means a c# guy.
...
HTTP status code 0 - Error Domain=NSURLErrorDomain?
...
There is no HTTP status code 0. What you see is a 0 returned by the API/library that you are using. You will have to check the documentation for that.
share
|
...
Add one row to pandas DataFrame
...n range(5):
>>> df.loc[i] = ['name' + str(i)] + list(randint(10, size=2))
>>> df
lib qty1 qty2
0 name0 3 3
1 name1 2 4
2 name2 2 8
3 name3 2 1
4 name4 9 6
share...
How to calculate the SVG Path for an arc (of a circle)
Given a circle centered at (200,200), radius 25, how do I draw an arc from 270 degree to 135 degree and one that goes from 270 to 45 degree?
...