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Is there a library function for Root mean square error (RMSE) in python?
... for a library to calculate this for you is unnecessary over-engineering. All these metrics are a single line of python code at most 2 inches long. The three metrics rmse, mse, rmd, and rms are at their core conceptually identical.
RMSE answers the question: "How similar, on average, are the numb...
Socket.io rooms difference between broadcast.to and sockets.in
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socket.broadcast.to broadcasts to all sockets in the given room, except to the socket on which it was called while io.sockets.in broadcasts to all sockets in the given room.
share
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Generate all permutations of a list without adjacent equal elements
...is greedy algorithm returns optimal solutions, by the following logic. We call a prefix (partial solution) safe if it extends to an optimal solution. Clearly the empty prefix is safe, and if a safe prefix is a whole solution then that solution is optimal. It suffices to show inductively that each gr...
git add all except ignoring files in .gitignore file
...roject that had none. The problem is that there are a lot of files to initially add to git with a .gitignore file, but I can't figure out how to add all files without including the files matching something in the .gitignore file.
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How to drop rows of Pandas DataFrame whose value in a certain column is NaN
...ta, including dropna(), is built into pandas explicitly. Aside from potentially improved performance over doing it manually, these functions also come with a variety of options which may be useful.
In [24]: df = pd.DataFrame(np.random.randn(10,3))
In [25]: df.iloc[::2,0] = np.nan; df.iloc[::4,1] ...
Bomb dropping algorithm
...to bomb the hollow rectangle of
squares just inside the perimeter. I'll call the perimeter layer 1, and the rectangle inside it layer 2.
An important insight is that there is no point bombing layer 1, because the
"blast radius" you get from doing so is always contained within the blast radius of...
How to pass all arguments passed to my bash script to a function of mine? [duplicate]
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The $@ variable expands to all command-line parameters separated by spaces. Here is an example.
abc "$@"
When using $@, you should (almost) always put it in double-quotes to avoid misparsing of arguments containing spaces or wildcards (see below). T...
How to remove all leading zeroes in a string
...oat however, it seems to work ok. Strange
– JamesHalsall
Feb 23 '11 at 23:37
manual says that "The size of an integer ...
Django connection to PostgreSQL: “Peer authentication failed”
... is set up to deny ordinary users from connecting through UNIX sockets but allows them over TCP/IP from localhost.
– Jim Garrison
May 1 '13 at 1:05
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Can jQuery get all CSS styles associated with an element?
Is there a way in jQuery to get all CSS from an existing element and apply it to another without listing them all?
5 Answer...