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Limiting floats to two decimal points
...y a power of two so 13.95 will be represented in a similar fashion to 125650429603636838/(2**53).
Double precision numbers have 53 bits (16 digits) of precision and regular floats have 24 bits (8 digits) of precision. The floating point type in Python uses double precision to store the values.
For...
What is the “owning side” in an ORM mapping?
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208
Why is the notion of a owning side necessary:
The idea of a owning side of a bidirectional rel...
CSS Image size, how to fill, not stretch?
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410
If you want to use the image as a CSS background, there is an elegant solution. Simply use cover...
How to create a WPF Window without a border that can be resized via a grip only?
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180
If you set the AllowsTransparency property on the Window (even without setting any transparency ...
How to compare two Dates without the time portion?
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30 Answers
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Using -performSelector: vs. just calling the method
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edited Sep 29 '09 at 18:25
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Convert char to int in C#
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150
Interesting answers but the docs say differently:
Use the GetNumericValue methods to
conve...
How can I quantify difference between two images?
... img2 = to_grayscale(imread(file2).astype(float))
# compare
n_m, n_0 = compare_images(img1, img2)
print "Manhattan norm:", n_m, "/ per pixel:", n_m/img1.size
print "Zero norm:", n_0, "/ per pixel:", n_0*1.0/img1.size
How to compare. img1 and img2 are 2D SciPy arrays here:
def comp...
CSS text-overflow in a table cell?
...flow to work. No extra layout div elements are required:
td
{
max-width: 100px;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
For responsive layouts; use the max-width CSS property to specify the effective minimum width of the column, or just use max-width: 0; for unlimited ...
What do the python file extensions, .pyc .pyd .pyo stand for?
....pyc’ or ‘.pyo’ file directly on the command line.
Note:
On 2015-09-15 the Python 3.5 release implemented PEP-488 and eliminated .pyo files.
This means that .pyc files represent both unoptimized and optimized bytecode.
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