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JPush 极光推送扩展 · App Inventor 2 中文网
...Hour, endHour, days)
设置允许推送的时间段。startHour/endHour: 0-23; days: 允许推送的星期（1=周日, 2=周一, …, 7=周六），如 [2,3,4,5,6] 表示工作日
SetSilenceTime(startHour, startMinute, endHour, endMinute)
设置静默时间段，此时间段内不会弹出通...
Check if bash variable equals 0 [duplicate]
I have a bash variable depth and I would like to test if it equals 0. In case yes, I want to stop executing of script. So far I have:
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“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application ru
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edited Apr 8 '12 at 16:00
answered Sep 19 '10 at 6:06
ss...
How to get current time in milliseconds in PHP?
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The short answer is:
$milliseconds = round(microtime(true) * 1000);
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How to merge a transparent png image with another image using PIL
....png")
foreground = Image.open("test2.png")
background.paste(foreground, (0, 0), foreground)
background.show()
First parameter to .paste() is the image to paste. Second are coordinates, and the secret sauce is the third parameter. It indicates a mask that will be used to paste the image. If you p...
CSS: Set a background color which is 50% of the width of the window
... this on a spare div element:
#background {
position: fixed;
top: 0;
left: 0;
width: 50%;
height: 100%;
background-color: pink;
}
Example: http://jsfiddle.net/PLfLW/1704/
The solution uses an extra fixed div that fills half the screen. Since it's fixed, it will remain in...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
... parameters:
import numpy as np
from scipy import stats
np.random.seed(110) # for reproducible results
# set parameters
red_mean = 3
red_std = 0.8
blue_mean = 7
blue_std = 2
# draw 20 samples from normal distributions with red/blue parameters
red = np.random.normal(red_mean, red_std, size=20)
b...
How do you sort an array on multiple columns?
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170
If owner names differ, sort by them. Otherwise, use publication name for tiebreaker.
function m...
How to draw polygons on an HTML5 canvas?
...lineTo (live demo):
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#f00';
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(100,50);
ctx.lineTo(50, 100);
ctx.lineTo(0, 90);
ctx.closePath();
ctx.fill();
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Counting the number of True Booleans in a Python List
...rams
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