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Python __str__ versus __unicode__
... method:
def __str__(self):
return unicode(self).encode('utf-8')
In 3.0, str contains characters, so the same methods are named __bytes__() and __str__(). These behave as expected.
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python pandas: apply a function with arguments to a series
...documentation). So now you can do:
my_series.apply(your_function, args=(2,3,4), extra_kw=1)
The positional arguments are added after the element of the series.
For older version of pandas:
The documentation explains this clearly. The apply method accepts a python function which should have a ...
How to compare two floating point numbers in Bash?
...s in scientific format, provided a capital letter E is employed, e.g. num1=3.44E6
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Five equal columns in twitter bootstrap
... 5 column grid is being used here:
http://web.archive.org/web/20120416024539/http://domain7.com/mobile/tools/bootstrap/responsive
...
What does this square bracket and parenthesis bracket notation mean [first1,last1)?
...
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A bracket means that end of the range is inclusive -- it includes the element listed. A parenth...
Convert pandas dataframe to NumPy array
...50
cs95
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answered May 5 '16 at 5:29
User456898User...
Most efficient way to prepend a value to an array
...-O but certainly using the unshift method is more concise:
var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]
[Edit]
This jsPerf benchmark shows that unshift is decently faster in at least a couple of browsers, regardless of possibly different big-O performance if you are ok with mo...
Why does the order of the loops affect performance when iterating over a 2D array?
...mensional. So while you imagine your array like this:
0,0 | 0,1 | 0,2 | 0,3
----+-----+-----+----
1,0 | 1,1 | 1,2 | 1,3
----+-----+-----+----
2,0 | 2,1 | 2,2 | 2,3
Your computer stores it in memory as a single line:
0,0 | 0,1 | 0,2 | 0,3 | 1,0 | 1,1 | 1,2 | 1,3 | 2,0 | 2,1 | 2,2 | 2,3
In the 2...
How to get Maven project version to the bash command line
...
answered Aug 23 '10 at 7:06
Pascal ThiventPascal Thivent
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How to implement a queue using two stacks?
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edited Dec 22 '16 at 2:36
rimsky
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answered Sep...