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How can I convert an RGB image into grayscale in Python?
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12 Answers
12
Active
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How can I make an svg scale with its parent container?
...lt;svg>
<polygon fill=red stroke-width=0
points="0,10 20,10 10,0" />
</svg>
It will render as a 10px by 20px triangle:
Now, if you set only the width and height, that will change the size of the SVG element, but not scale the triangle:
<svg width=100 height=...
Why is the shovel operator (
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Proof:
a = 'foo'
a.object_id #=> 2154889340
a << 'bar'
a.object_id #=> 2154889340
a += 'quux'
a.object_id #=> 2154742560
So << alters the original string rather than creating a new one. The reason for this is that in ruby a += b is syntact...
Changing the “tick frequency” on x or y axis in matplotlib?
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11 Answers
11
Active
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“x not in y” or “not x in y”
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112
They always give the same result.
In fact, not 'ham' in 'spam and eggs' appears to be special...
Array.Copy vs Buffer.BlockCopy
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edited Feb 15 '17 at 12:09
Ajay
16.3k99 gold badges4646 silver badges9090 bronze badges
a...
Passing route control with optional parameter after root in express?
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190
That would work depending on what client.get does when passed undefined as its first parameter...
convert from Color to brush
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139
This is for Color to Brush....
you can't convert it, you have to make a new brush....
SolidC...
TypeError: sequence item 0: expected string, int found
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414
string.join connects elements inside list of strings, not ints.
Use this generator expression...
Is this object-lifetime-extending-closure a C# compiler bug?
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answered Dec 14 '11 at 19:15
Eric LippertEric Lippert
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