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Resize image in PHP
...ny of the following: imagecreatefromgd, imagecreatefromgif, imagecreatefrompng, imagecreatefromstring, imagecreatefromwbmp, imagecreatefromxbm, imagecreatefromxpm to deal with different image types.
– Chris Hanson
Feb 1 '13 at 15:50
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iPhone App Icons - Exact Radius?
... file name and add '@2x'. So if I had a file for my 72x72 icon named icon.png, I would also add a 114x114 PNG file named icon@2x.png to the project/target and Xcode would automatically use that as the icon on a retina display. You can see this in action on the Summary page of the application targe...
Specifying and saving a figure with exact size in pixels
... same resolution as the screen just use the same dpi:
plt.savefig('my_fig.png', dpi=my_dpi)
To to save it as an 8000x8000 pixel image, use a dpi 10 times larger:
plt.savefig('my_fig.png', dpi=my_dpi * 10)
Note that the setting of the DPI is not supported by all backends. Here, the PNG backend ...
Does a favicon have to be 32x32 or 16x16?
...est and also relies on the Apple touch icon.
IE 10 on Windows 8.0 requires PNG pictures and a background color and IE 11 on Windows 8.1 and 10 accepts several PNG pictures declared in a dedicated XML file called browserconfig.xml.
Safari for Mac OS X El Capitan introduces an SVG icon for pinned tabs...
How to read the RGB value of a given pixel in Python?
...] = value # Set the RGBA Value of the image (tuple)
im.save('alive_parrot.png') # Save the modified pixels as .png
Alternatively, look at ImageDraw which gives a much richer API for creating images.
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Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...核来维护这相当大的数据结构，也是一种考验。
要完成测试，我们需要有一个服务端，还有大量的客户端。所以需要服务端程序与客户端程序。为达到目标，我的想法是这样的：客户端产生一个连接，向服务端发起一个请求，...
How can I mask a UIImageView?
...r *mask = [CALayer layer];
mask.contents = (id)[[UIImage imageNamed:@"mask.png"] CGImage];
mask.frame = CGRectMake(0, 0, <img_width>, <img_height>);
yourImageView.layer.mask = mask;
yourImageView.layer.masksToBounds = YES;
For Swift 4 and plus follow code below
let mask = CALayer()
ma...
How do I make a semi transparent background?
... on top of transparent background. Then you can use a semi transparent 1x1 PNG image as a background.
Note
Remember that IE6 don’t support PNG files.
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How to convert image to byte array
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Might be better to use png, nowaday.
– Nyerguds
Mar 18 '18 at 20:11
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How to use find command to find all files with extensions from list?
I need to find all image files from directory (gif, png, jpg, jpeg).
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