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Save bitmap to location
... FileOutputStream(filename)) {
bmp.compress(Bitmap.CompressFormat.PNG, 100, out); // bmp is your Bitmap instance
// PNG is a lossless format, the compression factor (100) is ignored
} catch (IOException e) {
e.printStackTrace();
}
...
Resize image proportionally with CSS? [duplicate]
...
A common use is to set max-width: 100%; height: auto; so large images don't exceed their containers width.
– OdraEncoded
Oct 26 '13 at 22:00
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How do shift operators work in Java? [duplicate]
...ng(2 << 11));
Shifts binary 2(10) by 11 times to the left. Hence: 1000000000000
System.out.println(Integer.toBinaryString(2 << 22));
Shifts binary 2(10) by 22 times to the left. Hence : 100000000000000000000000
System.out.println(Integer.toBinaryString(2 << 33));
Now, in...
SQL Server SELECT INTO @variable?
...TempCustomer TABLE
(
CustomerId uniqueidentifier,
FirstName nvarchar(100),
LastName nvarchar(100),
Email nvarchar(100)
);
INSERT INTO
@TempCustomer
SELECT
CustomerId,
FirstName,
LastName,
Email
FROM
Customer
WHERE
CustomerId = @CustomerId
...
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...