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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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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 I create a WPF Rounded Corner container?
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cplottscplotts
13.2k88 gold badges5252 silver badges6262 bronze badges
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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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Convert datetime object to a String of date only in Python
... format your date.
E.g.,
import datetime
t = datetime.datetime(2012, 2, 23, 0, 0)
t.strftime('%m/%d/%Y')
will yield:
'02/23/2012'
More information about formatting see here
share
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improve th...
Android存储系统基础知识：内部存储，外部存储，App特定目录 ASD(app speci...
...另一个外部存储：可移动（微型）SD 卡，例如：/storage/82C3-E96C/
只能读取（在 Android ≥ 4.4 / KitKat、API 19 的设备上）。
注：外部存储的根目录：/storage/emulated/0/，在设备上显示为内部存储（不幸的是，这有点含糊）...