大约有 15,000 项符合查询结果（耗时：0.0251秒） [XML]
How can i take an UIImage and give it a black border?
... Yes you can. Instances of UIImage can be drawn into a graphics context with CoreGraphics.
– Mark Adams
Jun 2 '13 at 1:56
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What's the function like sum() but for multiplication? product()?
... your data consists of floats, you can compute a product using sum() with exponents and logarithms:
>>> from math import log, exp
>>> data = [1.2, 1.5, 2.5, 0.9, 14.2, 3.8]
>>> exp(sum(map(log, data)))
218.53799999999993
>>> 1.2 * 1.5 * 2.5 * 0.9 * 14.2 * 3.8
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How to disable HTML links
...td> which I have to disable. This works on IE but not working in Firefox and Chrome.
Structure is - Link inside a <td> . I cannot add any container in the <td> (like div/span)
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Why are private fields private to the type, not the instance?
...itimate to access private fields of other instances of the same type. For example:
10 Answers
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jQuery text() and newlines
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This should be the answer.
– Axel
Oct 30 '15 at 0:33
3
THIS is the answer....
Find index of last occurrence of a substring in a string
I want to find the position (or index) of the last occurrence of a certain substring in given input string str .
9 Answers...
Underlining text in UIButton
...urn [button autorelease];
}
- (void) drawRect:(CGRect)rect {
CGRect textRect = self.titleLabel.frame;
// need to put the line at top of descenders (negative value)
CGFloat descender = self.titleLabel.font.descender;
CGContextRef contextRef = UIGraphicsGetCurrentContext();
// ...
Only get hash value using md5sum (without filename)
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Wrong it gives following output on Mac MD5 (/Users/hello.txt) = 24811012be8faa36c8f487bbaaadeb71 and your code returns MD5.
– alper
Aug 3 '18 at 21:06
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How to determine the Boost version on a system?
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In linux, using "ldd yourprogramname" will often show you which version of boost was linked to your program (which has the possibility of indicating a difference from the header, though it's unlikely to be different).
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Getting the last argument passed to a shell script
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@MichałŠrajer true is part of POSIX.
– Rufflewind
Oct 9 '15 at 5:35
4
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