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MySQL error 2006: mysql server has gone away
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32
It may be easier to check if the connection and re-establish it if needed.
See PHP:mysqli_ping...
How do I convert a numpy array to (and display) an image?
...IL import Image
import numpy as np
w, h = 512, 512
data = np.zeros((h, w, 3), dtype=np.uint8)
data[0:256, 0:256] = [255, 0, 0] # red patch in upper left
img = Image.fromarray(data, 'RGB')
img.save('my.png')
img.show()
shar...
Show a number to two decimal places
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edited Dec 18 '13 at 7:58
answered Dec 19 '10 at 15:14
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What is the shortcut to Auto import all in Android Studio?
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answered May 17 '13 at 18:56
Vladimir MironovVladimir Mironov
28.9k33 gold badges6161 silver badges6161 bronze badges
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How do I check whether a jQuery element is in the DOM?
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239
Like this:
if (!jQuery.contains(document, $foo[0])) {
//Element is detached
}
This will ...
RootViewController Switch Transition Animation
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edited Jul 3 '18 at 7:46
answered Oct 9 '11 at 13:49
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How do you embed binary data in XML?
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answered Aug 21 '08 at 13:37
Greg HurlmanGreg Hurlman
17.1k66 gold badges5050 silver badges8383 bronze badges
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Is there an expression for an infinite generator?
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134
for x in iter(int, 1): pass
Two-argument iter = zero-argument callable + sentinel value
int(...
Renaming the current file in Vim
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answered Jul 30 '09 at 8:51
innaMinnaM
45.7k44 gold badges6262 silver badges8484 bronze badges
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How to calculate UILabel width based on text length?
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edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Aug 20 '10 at 1:54
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