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Android screen size HDPI, LDPI, MDPI [duplicate]
...te: You only need to provide density-specific drawables for bitmap files (.png, .jpg, or .gif) and Nine-Path files (.9.png). If you use XML files to define shapes, colors, or other drawable resources, you should put one copy in the default drawable directory (drawable/).
To create alternative bitma...
how to read all files inside particular folder
...r file name and second is for format of the file or File Extension like (*.png -
any file name with .png format.
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Creating a BLOB from a Base64 string in JavaScript
...ys, {type: contentType});
return blob;
}
const contentType = 'image/png';
const b64Data = 'iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==';
const blob = b64toBlob(b64Data, contentType);
const blobUrl = URL.createObject...
Image library for Python 3
... the pixel that was at those coordinates and saves the modified image as a PNG file:
from PySide.QtCore import *
from PySide.QtGui import *
app = QCoreApplication([])
img = QImage('input.jpg')
g = QPainter(img)
g.setRenderHint(QPainter.Antialiasing)
g.setBrush(QColor(img.pixel(20, 20)))
g.drawEl...
When should one use RxJava Observable and when simple Callback on Android?
... @Override
public Boolean call(Photo photo) {
return photo.isPNG();
}
})
.subscribe(
new Action1<Photo>() {
@Override
public void call(Photo photo) {
list.add(photo)
}
});
Callback:
api.getUserPhotos(userId, new Callback<List<P...
CSS background-image - What is the correct usage?
...begins from the root of your web site:
background-image: url('/Images/bgi.png');
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Adding a background image to a element
...le type="text/css">
.bgimg {
background-image: url('../images/divbg.png');
}
</style>
...
<div class="bgimg">
div with background
</div>
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Uploading base64 encoded Image to Amazon S3 via Node.js
...asically key - e.g. if your bucket name is - bucketone and key name is xyz.png, then file path will be bucketone.s3.amazonaws.com/xyz.png
– Divyanshu Das
Jul 25 '17 at 6:15
2
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Saving images in Python at a very high quality
...you are working with seaborn plots, instead of matplotlib, you can save a .png image like this:
Let's suppose you have a matrix object (either pandas or numpy), and you want to take a heatmap:
import seaborn as sb
image = sb.heatmap(matrix) # this gets you the heatmap
image.figure.savefig("C:/Y...
Skip download if files exist in wget?
... existing files.
Sample usage:
wget -nc http://example.com/pic.png
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