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Matplotlib plots: removing axis, legends and white spaces
...import random
import matplotlib.pyplot as plt
data = random.random((5,5))
img = plt.imshow(data, interpolation='nearest')
img.set_cmap('hot')
plt.axis('off')
plt.savefig("test.png", bbox_inches='tight')
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How to take screenshot of a div with JavaScript?
...
Yep, you can have an inline dialog box with an img that has its src set to the data: URI. However, that isn't really necessary -- you can just put the canvas itself in the inline dialog box; users can right click it and save the current state as an image.
...
Ignore mouse interaction on overlay image
...nd is with CSS Styling:
#reflection_overlay {
background-image:url(../img/reflection.png);
background-repeat:no-repeat;
width: 195px;
pointer-events:none;
}
pointer-events attribute works pretty good and is simple.
...
Necessary to add link tag for favicon.ico?
...mages folder or something alike. For example:
<link rel="icon" href="_/img/favicon.png">
This diferent location may even be a CDN, just like SO seems to do with <link rel="shortcut icon" href="http://cdn.sstatic.net/stackoverflow/img/favicon.ico">.
To learn more about using other fil...
JavaScript: Get image dimensions
...
var img = new Image();
img.onload = function(){
var height = img.height;
var width = img.width;
// code here to use the dimensions
}
img.src = url;
...
How to check if a file is a valid image file?
...
I have just found the builtin imghdr module. From python documentation:
The imghdr module determines the type
of image contained in a file or byte
stream.
This is how it works:
>>> import imghdr
>>> imghdr.what('/tmp/bass')
'g...
Are unused CSS images downloaded?
...us here. I prefer using the background CSS image rather than a normal <img...> tag, because I'm working under the (untested) theory that bots are less likely to grab a CSS image than a <img...> image, leaving more accurate counts for the human-visitors.
...
Convert a bitmap into a byte array
...are a couple ways.
ImageConverter
public static byte[] ImageToByte(Image img)
{
ImageConverter converter = new ImageConverter();
return (byte[])converter.ConvertTo(img, typeof(byte[]));
}
This one is convenient because it doesn't require a lot of code.
Memory Stream
public static byte[...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...
中文网拓展
第三方拓展
工具
AI人工智能
UI界面
多媒体
通信
本文档描述您在使用App Inventor 2构建应用程序时所能用到的拓展，以打造界面更加酷炫、功能更加强大的App。
更...
IE8 issue with Twitter Bootstrap 3
...
I am using: <div class="left-finger-picker img-responsive"> to show an image where: left-finger-picker is as follows: .left-finger-picker { width: 200px; height: 210px; position : relative; background-size: cover; background-image : url("../myPics/leftHand.png...