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Array include any value from another array?
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Numpy how to iterate over columns of array?
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answered Apr 13 '12 at 21:59
tillstentillsten
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How do you round a floating point number in Perl?
...rintf() or printf() is usually the easiest
route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other mathematical and trigonometric
functions.
use POSIX;
$ceil = ceil(3.5); ...
Sass calculate percent minus px
...ad. Check browser compatibility on Can I use...
.foo {
height: calc(25% - 5px);
}
If your values are in variables, you may need to use interpolation turn them into strings (otherwise Sass just tries to perform arithmetic):
$a: 25%;
$b: 5px;
.foo {
width: calc(#{$a} - #{$b});
}
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vertical & horizontal lines in matplotlib
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answered Jun 5 '13 at 2:18
Bennett BrownBennett Brown
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The modulo operation on negative numbers in Python
...ame sign as the denominator (divisor). Your expression yields 3 because
(-5) / 4 = -1.25 --> floor(-1.25) = -2
(-5) % 4 = (-2 × 4 + 3) % 4 = 3.
It is chosen over the C behavior because a nonnegative result is often more useful. An example is to compute week days. If today is Tuesday (day #2),...
Python: Get the first character of the first string in a list?
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answered Aug 18 '11 at 13:25
agfagf
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What is the difference between libsqlite3.dylib and libsqlite3.0.dylib?
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Is the latter just a symlink to the latest v3 library like the convention for package manager...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...1
sgesge
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Python list iterator behavior and next(iterator)
...)))
>>> for i in a:
... print(i)
... next(a)
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0
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So 0 is the output of print(i), 1 the return value from next(), echoed by the interactive interpreter, etc. There are just 5 iterations, each iteration resulting in 2 lines being written to the terminal.
If you a...