大约有 48,000 项符合查询结果（耗时：0.0964秒） [XML]
Convert RGBA PNG to RGB with PIL
...oad() # required for png.split()
background = Image.new("RGB", png.size, (255, 255, 255))
background.paste(png, mask=png.split()[3]) # 3 is the alpha channel
background.save('foo.jpg', 'JPEG', quality=80)
Result @80%
Result @ 50%
...
Working copy XXX locked and cleanup failed in SVN
...
1
2
Next
517
...
Write applications in C or C++ for Android? [closed]
...
20 Answers
20
Active
...
How can I control the width of a label tag?
...
answered May 12 '10 at 16:05
Josh StodolaJosh Stodola
76.3k4242 gold badges177177 silver badges220220 bronze badges
...
Refresh a page using PHP
...
286
You can do it with PHP:
header("Refresh:0");
It refreshes your current page, and if you nee...
Converting int to bytes in Python 3
...
Tim PietzckerTim Pietzcker
283k5353 gold badges435435 silver badges508508 bronze badges
...
Are the shift operators () arithmetic or logical in C?
...
According to K&R 2nd edition the results are implementation-dependent for right shifts of signed values.
Wikipedia says that C/C++ 'usually' implements an arithmetic shift on signed values.
Basically you need to either test your compiler or...
MySQL select 10 random rows from 600K rows fast
...
26 Answers
26
Active
...