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Remove last character from string. Swift language
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22 Answers
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PHP: If internet explorer 6, 7, 8 , or 9
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edited Feb 25 '17 at 17:35
Chandra Nakka
12.8k77 gold badges2929 silver badges5151 bronze badges
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Different ways of clearing lists
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362
Clearing a list in place will affect all other references of the same list.
For example, this m...
Convert SVG to PNG in Python
...isk:
import cairo
import rsvg
img = cairo.ImageSurface(cairo.FORMAT_ARGB32, 640,480)
ctx = cairo.Context(img)
## handle = rsvg.Handle(<svg filename>)
# or, for in memory SVG data:
handle= rsvg.Handle(None, str(<svg data>))
handle.render_cairo(ctx)
img.write_to_png("svg.png")
Upda...
What is the difference between ndarray and array in numpy?
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232
numpy.array is just a convenience function to create an ndarray; it is not a class itself.
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How to implement a binary tree?
...(node.v) + ' ')
self._printTree(node.r)
# 3
# 0 4
# 2 8
tree = Tree()
tree.add(3)
tree.add(4)
tree.add(0)
tree.add(8)
tree.add(2)
tree.printTree()
print(tree.find(3).v)
print(tree.find(10))
tree.deleteTree()
tree.printTree()
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How to create multidimensional array
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321
var numeric = [
['input1','input2'],
['input3','input4']
];
numeric[0][0] == 'input1';
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How can I determine whether a 2D Point is within a Polygon?
I'm trying to create a fast 2D point inside polygon algorithm, for use in hit-testing (e.g. Polygon.contains(p:Point) ). Suggestions for effective techniques would be appreciated.
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Rounding a double to turn it into an int (java)
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241
What is the return type of the round() method in the snippet?
If this is the Math.round() met...
How to disassemble one single function using objdump?
...now too.
– Tom Tromey
Oct 18 '14 at 2:33
5
gdb /bin/ls -batch -ex 'disassemble main' works as wel...