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Can you determine if Chrome is in incognito mode via a script?
...= frames[0].getComputedStyle(a, '').color;
}
var visited = (color == 'rgb(51, 102, 160)' || color == '#3366a0');
alert('mode is ' + (visited ? 'NOT Private' : 'Private'));
}
function setUniqueSource(frame) {
frame.src = "test.html?" + Math.random();
frame.onload = '';
}
Then in test.ht...
css transform, jagged edges in chrome
...t;
Alternatively, add a 1px transparent box-shadow.
box-shadow: 0 0 1px rgba(255,255,255,0);
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CSS3 Transparency + Gradient
RGBA is extremely fun, and so is -webkit-gradient , -moz-gradient , and uh... progid:DXImageTransform.Microsoft.gradient ... yeah. :)
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Programmatically create a UIView with color gradient
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Try This it worked like a charm for me,
Objective C
I have set RGB gradient background Color to UIview
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0,0,320,35)];
CAGradientLayer *gradient = [CAGradientLayer layer];
gradient.frame = view.bounds;
gradient.startPoint...
How to draw polygons on an HTML5 canvas?
...beginPath();
polygon(context,125,125,100,5,-Math.PI/2);
context.fillStyle="rgba(227,11,93,0.75)";
context.fill();
context.stroke();
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How can I measure the similarity between two images? [closed]
...al number of sections (say a 10x10 grid) and then computing a histogram of RGB values inside of each cell and compare corresponding histograms. This type of algorithm is preferred because of both its simplicity and it's invariance to scaling and (small!) translation.
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...ht: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2023 - document.write(new Date().getFullYear()); 跟着学（上海）教育科技有限公司 版权所有，未经书面许可，不得转载...
Set transparent background using ImageMagick and commandline prompt
...tched to PNG it did exactly what I wanted - just had to change "white" to "rgb($r,$g,$b)".
– Roger Dueck
Feb 9 '16 at 22:41
3
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Add Text on Image using PIL
...hapes and text.
from PIL import Image, ImageDraw
blank_image = Image.new('RGBA', (400, 300), 'white')
img_draw = ImageDraw.Draw(blank_image)
img_draw.rectangle((70, 50, 270, 200), outline='red', fill='blue')
img_draw.text((70, 250), 'Hello World', fill='green')
blank_image.save('drawn_image.jpg')
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pdftk compression option
... ./base/gsicc_manage.c:1050: gsicc_open_search(): Could not find default_rgb.ic
| ./base/gsicc_manage.c:1651: gsicc_set_device_profile(): cannot find device profile
74.8MB-->32.2MB
badly pixellated
bookmarks TOC are gone
qpdf --linearize:
very fast, a few seconds
no size change
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