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Counting the number of True Booleans in a Python List
... Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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...
How do you round a floating point number in Perl?
...tf() 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); ...
type object 'datetime.datetime' has no attribute 'datetime'
...atetime
>>> datetime
<module 'datetime' from '/usr/lib/python2.6/lib-dynload/datetime.so'>
>>> datetime.datetime(2001,5,1)
datetime.datetime(2001, 5, 1, 0, 0)
But, if you import datetime.datetime:
>>> from datetime import datetime
>>> datetime
<type 'd...
How do I break out of nested loops in Java?
...
2466
Like other answerers, I'd definitely prefer to put the loops in a different method, at which po...
Bin size in Matplotlib (Histogram)
...
6
what is the binwidth here?have u set that value before?
– UserYmY
Sep 29 '15 at 13:25
...
What do the numbers in a version typically represent (i.e. v1.9.0.1)?
...
Constantino Tsarouhas
6,62666 gold badges4141 silver badges5454 bronze badges
answered Sep 15 '08 at 19:04
Dillie-ODillie-O...
Sorting list based on values from another list?
...
WhatangWhatang
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...
Center a DIV horizontally and vertically [duplicate]
...
161
After trying a lot of things I find a way that works. I share it here if it is useful to anyone...
Python `if x is not None` or `if not x is None`?
...no performance difference, as they compile to the same bytecode:
Python 2.6.2 (r262:71600, Apr 15 2009, 07:20:39)
>>> import dis
>>> def f(x):
... return x is not None
...
>>> dis.dis(f)
2 0 LOAD_FAST 0 (x)
3 LOAD_CONST ...
How to calculate a Mod b in Casio fx-991ES calculator
...).
Now do your calculation (in comp mode), like 50 / 3 and you will see 16 2/3, thus, mod is 2. Or try 54 / 7 which is 7 5/7 (mod is 5).
If you don't see any fraction then the mod is 0 like 50 / 5 = 10 (mod is 0).
The remainder fraction is shown in reduced form, so 60 / 8 will result in 7 1/2. Re...