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Why wasn't PyPy included in standard Python?
...true of all "pure GC" strategies.
PyPy does not yet fully support Python 3.m>x m>, although that is an active work item.
PyPy is a great project, but runtime speed on CPU-intensive tasks isn't everything, and in many applications it's the least of many concerns. For instance, Django can run on PyPy an...
How to display full (non-truncated) dataframe information in html when converting from pandas datafr
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Set the display.mam>x m>_colwidth option to -1:
pd.set_option('display.mam>x m>_colwidth', -1)
set_option docs
For em>x m>ample, in iPython, we see that the information is truncated to 50 characters. Anything in em>x m>cess is ellipsized:
If you set the display...
Using wget to recursively fetch a directory with arbitrary files in it
...ursive, of course), otherwise it will follow the link in the directory indem>x m> on my site to the parent directory. So the command would look like this:
wget --recursive --no-parent http://em>x m>ample.com/configs/.vim/
To avoid downloading the auto-generated indem>x m>.html files, use the -R/--reject option:...
Pandas dataframe get first row of each group
...If you need id as column:
>>> df.groupby('id').first().reset_indem>x m>()
id value
0 1 first
1 2 first
2 3 first
3 4 second
4 5 first
5 6 first
6 7 fourth
To get n first records, you can use head():
>>> df.groupby('id').head(2).reset_indem>x m>(drop=True)
...
What are the minimum margins most printers can handle?
Im creating pdfs server side with lots of graphics so mam>x m>imizing real estate is a must but at the same time ensuring users printers can handle the tight margins is a must.
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correct way to use super (argument passing)
...s following Python's Super Considered Harmful , and went to test out his em>x m>amples.
3 Answers
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Filter rows which contain a certain string
...lready posted by the @latemail in the comments above. You can use regular em>x m>pressions for the second and subsequent arguments of filter like this:
dplyr::filter(df, !grepl("RTB",TrackingPim>x m>el))
Since you have not provided the original data, I will add a toy em>x m>ample using the mtcars data set. Imag...
Why are functions in Ocaml/F# not recursive by default?
...ous definition inside the body of a new definition. F# inherited this syntam>x m> from OCaml.
For em>x m>ample, superceding the function p when computing the Shannon entropy of a sequence in OCaml:
let shannon fold p =
let p m>x m> = p m>x m> *. log(p m>x m>) /. log 2.0 in
let p t m>x m> = t +. p m>x m> in
-. fold p 0.0
Not...
What are C++ functors and their uses?
...ate objects which "look like" a function:
// this is a functor
struct add_m>x m> {
add_m>x m>(int val) : m>x m>(val) {} // Constructor
int operator()(int y) const { return m>x m> + y; }
private:
int m>x m>;
};
// Now you can use it like this:
add_m>x m> add42(42); // create an instance of the functor class
int i = add4...
Is there a difference between /\s/g and /\s+/g?
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In the first regem>x m>, each space character is being replaced, character by character, with the empty string.
In the second regem>x m>, each contiguous string of space characters is being replaced with the empty string because of the +.
However, ju...