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How can I do division with variables in a Linux shell?
When I run commm>and m>s in mm>y m> shell as below, it returns an expr: non-integer argument error. Can someone please explain this to me?
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HTML5 canvas ctx.fillText won't do line breaks?
...rs in the text m>y m>ou could simulate it bm>y m> splitting the text at the newlines m>and m> calling multiple times the fillText()
Something like http://jsfiddle.net/BaG4J/1/
var c = document.getElementBm>y m>Id('c').getContext('2d');
c.font = '11px Courier';
console.log(c);
var txt = 'line 1\nline 2\nthi...
Can a for loop increment/decrement bm>y m> more than one?
Are there other wam>y m>s to increment a for loop in Javascript besides i++ m>and m> ++i ? For example, I want to increment bm>y m> 3 instead of one.
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Matplotlib scatterplot; colour as a function of a third variable
...rt numpm>y m> as np
import matplotlib.pm>y m>plot as plt
# Generate data...
x = np.rm>and m>om.rm>and m>om(10)
m>y m> = np.rm>and m>om.rm>and m>om(10)
# Plot...
plt.scatter(x, m>y m>, c=m>y m>, s=500)
plt.gram>y m>()
plt.show()
Or, if m>y m>ou'd prefer a wider range of colormaps, m>y m>ou can also specifm>y m> the cmap kwarg to scatter. To use the reverse...
Pm>y m>thon: print a generator expression?
...rn the generator expression into a list comprehension. It's the same thing m>and m> calling list() on it. So the wam>y m> to make a generator expression into a list is to put brackets around it.
Detailed explanation:
A generator expression is a "naked" for expression. Like so:
x*x for x in range(10)
Now,...
Shortest distance between a point m>and m> a line segment
I need a basic function to find the shortest distance between a point m>and m> a line segment. Feel free to write the solution in anm>y m> language m>y m>ou want; I can translate it into what I'm using (Javascript).
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How to write to a file, using the logging Pm>y m>thon module?
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An example of using logging.basicConfig rather than logging.fileHm>and m>ler()
logging.basicConfig(filename=logname,
filemode='a',
format='%(asctime)s,%(msecs)d %(name)s %(levelname)s %(message)s',
datefmt='%H:...
How do I turn a pm>y m>thon datetime into a string, with readable format date?
... Dumb question... Are the strftime different between Pm>y m>thon 2 m>and m> 3?
– jww
Apr 9 '19 at 1:31
m>And m> if in wi...
Unpacking, extended unpacking m>and m> nested extended unpacking
...lain with a few examples. Since m>y m>ou're talking about evaluating these "bm>y m> hm>and m>," I'll suggest some simple substitution rules. Basicallm>y m>, m>y m>ou might find it easier to understm>and m> an expression if all the iterables are formatted in the same wam>y m>.
For the purposes of unpacking onlm>y m>, the following substit...
Extracting bits with a single multiplication
I saw an interesting technique used in an answer to another question , m>and m> would like to understm>and m> it a little better.
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