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Is there a library function for Root mean square error (RMSE) in python?
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Just in case someone finds this thread in 2019, there is a library called ml_metrics which is available without pre-installation in Kaggle's kernels, pretty lightweighted and accessible through pypi ( it can be installed easily and fast with pip install ml_metrics):
from ml_metrics import r...
Using Caps Lock as Esc in Mac OS X
...the (hundreds of) pre-selectable options:
PQRS also has a great utility called NoEjectDelay that you can use in combination with KeyRemap4MacBook for reprogramming the Eject key. After a little tweaking I have mine set to toggle the AirPort Wifi.
These utilities offer unlimited flexibility when ...
How to get the mouse position without events (without moving the mouse)?
...and y coordinates of your cursor, update them whenever the mouse moves and call a function on an interval to do what you need with the stored position.
The downside to this of course is that at least one initial movement of the mouse is required to have it work. As long as the cursor updates its pos...
How can I get nth element from a list?
...othing else Just (xs !! (x `mod` xslen)). Note, this will fail catastrophically on an infinite list.
– djvs
May 29 '17 at 6:24
2
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How to deal with persistent storage (e.g. databases) in Docker
...e a container with a -v volume_name:/container/fs/path Docker will automatically create a named volume for you that can:
Be listed through the docker volume ls
Be identified through the docker volume inspect volume_name
Backed up as a normal directory
Backed up as before through a --volumes-from c...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
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During the focus event you can scroll past the document height and magically the window.innerHeight is reduced by the height of the virtual keyboard. Note that the size of the virtual keyboard is different for landscape vs. portrait orientations so you'll need to redetect it when it changes. I w...
Does Git publicly expose my e-mail address?
..., tools like 'git send-email' are written assuming that it's true (automatically cc'ing patch authors, for instance)
– araqnid
May 22 '09 at 19:06
2
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What is the difference between const_iterator and non-const iterator in the C++ STL?
...e T, then const_iterator points to an element of type 'const T'.
It's basically equivalent to the pointer types:
T* // A non-const iterator to a non-const element. Corresponds to std::vector<T>::iterator
T* const // A const iterator to a non-const element. Corresponds to const std::vector<...
Why does Iterable not provide stream() and parallelStream() methods?
...'t let you necessarily write your own
spliterator. So all you can do is call
stream(spliteratorUnknownSize(iterator)). Sam is suggesting that we
define Iterator.stream() to do that for you.
I would like to keep the stream() and spliterator() methods as being
for library writers / ad...
Is there a TRY CATCH command in Bash
...er to inhibit a "bailing out" because of this special situation (hence typically called