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Save classifier to disk in scikit-learn
...digits.target) # evaluate training error
0.9526989426822482
>>> filename = '/tmp/digits_classifier.joblib.pkl'
>>> _ = joblib.dump(clf, filename, compress=9)
>>> clf2 = joblib.load(filename)
>>> clf2
SGDClassifier(alpha=0.0001, class_weight=None, epsilon=0.1, e...
Flask-SQLAlchemy import/context issue
...
This pattern does not necessitate the you place all of your models in one file. Simply import the db variable into each of your model modules.
Example
# apps.shared.models
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
# apps.members.models
from apps.shared.models import db
clas...
np.mean() vs np.average() in Python NumPy?
...s. I have a very large single-precision array that is accessed from an h5 file. If I take the mean along axes 0 and 1, I get wildly incorrect results unless I specify dtype='float64':
>T.shape
(4096, 4096, 720)
>T.dtype
dtype('<f4')
m1 = np.average(T, axis=(0,1)) # garba...
Runtime vs. Compile time
...nputs and outputs?
Input was the program being compiled, plus any header files, interfaces, libraries, or other voodoo that it needed to import in order to get compiled.
Output is hopefully assembly code or relocatable object code or even an executable program. Or if something goes wrong, output ...
Select the values of one property on all objects of an array in PowerShell
...ng:
ls | select -Property Name
This is still returning DirectoryInfo or FileInfo objects. You can always inspect the type coming through the pipeline by piping to Get-Member (alias gm).
ls | select -Property Name | gm
So, to expand the object to be that of the type of property you're looking a...
Is main() really start of a C++ program?
...oes not cause the start of the execution of the program because objects at file level have constructors that run beforehand and it would be possible to write an entire program that runs its lifetime before main() is reached and let main itself have an empty body.
In reality to enforce this you woul...
Bash script to set up a temporary SSH tunnel
...omain.com
Exit request sent.
Note that my-ctrl-socket will be an actual file that is created.
I got this info from a very RTFM reply on the OpenSSH mailing list.
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How do you implement a class in C? [closed]
... of a class? Is it always a good idea to isolate the "class" to a separate file? Assume that we can preallocate the memory by assuming a fixed number of instances, or even defining the reference to each object as a constant before compile time. Feel free to make assumptions about which OOP concept I...
Idiomatic way to convert an InputStream to a String in Scala
...sic benchmark of it and most of the time, it was about 5% faster for large files (test was ~35 MB text file) all the way up to 2,800% faster for small files (test was ~30 KB).
– Colin Dean
Nov 6 '15 at 19:31
...
Why do I get access denied to data folder when using adb?
...ng the ndk then flash it onto the device along with an image of the binary files.
– Ben Jaguar Marshall
Nov 2 '12 at 2:00
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