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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...und:
def foo(a, b, c):
print(a, b, c)
obj = {'b':10, 'c':'lee'}
foo(100,**obj)
# 100 10 lee
Another usage of the *l idiom is to unpack argument lists when calling a function.
def foo(bar, lee):
print(bar, lee)
l = [1,2]
foo(*l)
# 1 2
In Python 3 it is possible to use *l on the left...
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
...
Make div (height) occupy parent remaining height
...ther or not #up has a defined height.
Samples
.container {
width: 100px;
height: 300px;
border: 1px solid red;
float: left;
}
.up {
background: green;
}
.down {
background: pink;
}
.grid.container {
display: grid;
grid-template-rows: 100px;
}
.flexbox.container ...
How to use z-index in svg elements?
...t;!-- First draw the orange circle -->
<circle fill="orange" cx="100" cy="95" r="20"/>
<!-- Then draw the green circle over the current canvas -->
<circle fill="green" cx="100" cy="105" r="20"/>
</svg>
Here the fork of your jsFiddle.
Solution (alte...
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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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...
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...
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>
...