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Get battery level and state in Android
... batteryPct = level / (double) scale;
return (int) (batteryPct * 100);
}
}
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浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...决于BDP的大小，也就是带宽和延迟的乘积。假设带宽是 100Mbps，延迟是 100ms，那么计算过程如下：
BDP = 100Mbps * 100ms = (100 / 8) * (100 / 1000) = 1.25MB
此问题下如果想最大限度提升吞度量，接收窗口「rwnd」的大小不应小于 1.25MB。说...
Drawing a connecting line between two elements [closed]
...vs and give them any position as you need
<div id="div1" style="width: 100px; height: 100px; top:0; left:0; background:#e53935 ; position:absolute;"></div>
<div id="div2" style="width: 100px; height: 100px; top:0; left:300px; background:#4527a0 ; position:absolute;"></div>
...
High Quality Image Scaling Library [closed]
...t;/param>
/// <param name="quality">An integer from 0 to 100, with 100 being the
/// highest quality</param>
/// <exception cref="ArgumentOutOfRangeException">
/// An invalid value was entered for image quality.
/// </exception>
...
How can I get list of values from dict?
...())
%timeit list(small_df.values())
big_ds = {x: str(x+42) for x in range(1000000)}
big_df = {x: float(x+42) for x in range(1000000)}
print('Big Dict(str)')
%timeit [*big_ds.values()]
%timeit [].extend(big_ds.values())
%timeit list(big_ds.values())
print('Big Dict(float)')
%timeit [*big_df.values...
Python integer division yields float
...tput.
to get the result in double multiple 1.0 to "dividend or divisor"
100/35 => 2 #(Expected is 2.857142857142857)
(100*1.0)/35 => 2.857142857142857
100/(35*1.0) => 2.857142857142857
In Python 3
// => used for integer output
/ => used for double output
100/35 => 2.8571...
How to convert an integer to a string in any base?
..., 131, 96, 431, 285, 524, 486, 28, 23, 16, 82, 292, 538, 149, 25, 41, 483, 100, 517, 131, 28, 0, 435, 197, 264, 455],
Which you can later convert to any base you want
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Java: how can I split an ArrayList in multiple small ArrayLists?
How can I split an ArrayList (size=1000) in multiple ArrayLists of the same size (=10) ?
18 Answers
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How can I set multiple CSS styles in JavaScript?
...ssign:
Object.assign(yourelement.style,{fontsize:"12px",left:"200px",top:"100px"});
This also gives you ability to merge styles, instead of rewriting the CSS style.
You can also make a shortcut function:
const setStylesOnElement = function(styles, element){
Object.assign(element.style, styl...
Making a triangle shape using xml definitions?
...s:android="http://schemas.android.com/apk/res/android"
android:height="100dp"
android:width="100dp"
android:viewportHeight="100"
android:viewportWidth="100" >
<group
android:name="triableGroup">
<path
android:name="triangle"
and...