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App Inventor 2 列表代码块 · App Inventor 2 中文网
...lumn; align-items: center; } .feedback-pop:hover, .feedback-pop .feedback-img:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/images/feedback.svg) 50% / 100% auto no-repeat; } 文档反馈 ...
Reduce left and right margins in matplotlib plot
...ata = np.arange(3000).reshape((100,30))
plt.imshow(data)
plt.savefig('test.png', bbox_inches='tight')
Another way is to use fig.tight_layout()
import matplotlib.pyplot as plt
import numpy as np
xs = np.linspace(0, 1, 20); ys = np.sin(xs)
fig = plt.figure()
axes = fig.add_subplot(1,1,1)
axes.plo...
Find if variable is divisible by 2
... @Andy - ROFL at the that link and the SO image - doxdesk.com/img/updates/20091116-so-large.gif I guess the "use jQuery" answer is gonna reach an all-time high in Javascript now :)
– Anurag
May 13 '10 at 9:20
...
Entity Framework select distinct name
...can apply Distinct on that variable like this one....
public List<Item_Img_Sal_VIEW> GetItemDescription(int ItemNo)
{
var Result= db.Item_Img_Sal_VIEW.Where(p => p.ItemID == ItemNo).ToList();
return Result.Distinct().ToList();
}
Or you can try thi...
What is the minimum I have to do to create an RPM file?
...sr/share/applications/package_name.desktop
/usr/share/pixmaps/package_name.png
%changelog
* date Packager's Name <packager's_email> version-revision
- Summary of changes
#For more details see: docs.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/Packagers_Guide/sect-Packagers_Gui...
builtins.TypeError: must be str, not bytes
...rsa. Prove in python 3.5.2
import base64
read_file = open('/tmp/newgalax.png', 'rb')
data = read_file.read()
b64 = base64.b64encode(data)
print (b64)
# Save file
decode_b64 = base64.b64decode(b64)
out_file = open('/tmp/out_newgalax.png', 'wb')
out_file.write(decode_b64)
# Test in python 3.5.2
...
How to take a screenshot programmatically on iOS
...entImageContext();
UIGraphicsEndImageContext();
NSData *imageData = UIImagePNGRepresentation(image);
if (imageData) {
[imageData writeToFile:@"screenshot.png" atomically:YES];
} else {
NSLog(@"error while taking screenshot");
}
...
Total size of the contents of all the files in a directory [closed]
...
Isolated to a specific file type (in this case, PNG) and expressed in MB for more readability: ls -lR | grep '.png$' | awk '{total += $5} END {print "Total:", total/1024/1024, "MB"}'
– MusikPolice
Sep 9 '14 at 15:11
...
How can I make Bootstrap columns all the same height?
...ol-md-4" style="background-color: yellow">
catz
<img width="100" height="100" src="https://placekitten.com/100/100/">
</div>
<div class="col-md-4" style="background-color: green">
some more content
</div>
</div&g...
How to add an image to a JPanel?
I have a JPanel to which I'd like to add JPEG and PNG images that I generate on the fly.
14 Answers
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