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How to get a value from a cell of a dataframe?
...ith only one row, then access the first (only) row as a Series using iloc, and then the value using the column name:
In [3]: sub_df
Out[3]:
A B
2 -0.133653 -0.030854
In [4]: sub_df.iloc[0]
Out[4]:
A -0.133653
B -0.030854
Name: 2, dtype: float64
In [5]: sub_df.iloc[0]['A']
Ou...
How to sort my paws?
...nt experiment runs stored as ascii arrays. Rather than try to copy-paste stand-alone code examples into this question, here's a bitbucket mercurial repository with full, stand-alone code. You can clone it with
hg clone https://joferkington@bitbucket.org/joferkington/paw-analysis
Overview
There...
How to find out which version of the .NET Framework an executable needs to run?
I've got an executable file, and I would like to know which versions of the .NET framework this file needs to be started.
1...
Best way to iterate through a Perl array
Which is the best implementation(in terms of speed and memory usage) for iterating through a Perl array? Is there any better way? ( @Array need not be retained).
...
How to deal with floating point number precision in JavaScript?
...s, e.g. do money
calculations entirely in cents. But
this is more work and has some
drawbacks.
Note that the first point only applies if you really need specific precise decimal behaviour. Most people don't need that, they're just irritated that their programs don't work correctly with nu...
SVG gradient using CSS
...
So I created that gradient in a separate file, and used fill this way: fill: url(../js/gradient.svg#MyGradient);. Is this the right way?
– Hrishikesh Choudhari
Dec 27 '12 at 10:00
...
Suppress warning CS1998: This async method lacks 'await'
...the classes that implements the interface does not have anything to await, and some might just throw. It's a bit annoying with all the warnings.
...
Minimizing NExpectation for a custom distribution in Mathematica
...a minimum requires either to set the first derivative of the function zero and solve for a solution. Since your function is quite complicated (and probably not differentiable), the second possibility is to do a numerical minimization, which requires many evaluations of your function. Ergo, it is ver...
What are “named tuples” in Python?
...tances can be referenced using object-like variable dereferencing or the standard tuple syntax. They can be used similarly to struct or other common record types, except that they are immutable. They were added in Python 2.6 and Python 3.0, although there is a recipe for implementation in Python 2...
Question mark and colon in JavaScript
...rm of: condition ? value-if-true : value-if-false
Think of the ? as "then" and : as "else".
Your code is equivalent to
if (max != 0)
hsb.s = 255 * delta / max;
else
hsb.s = 0;
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