The paper Comparing Clusterings - An Overview has a good view of different metrics for comparing the similarity of 2 clusterings. Overall, Normalized Mutual Information sounds like a good one. It is implemented in sklearn as sklearn.metrics.normalized_mutual_info_score . Of course, there are many more metrics for measuring similarity of 2 …
Static Type Checking of Python Scripts Using pytype
Configuration
There are 3 ways to control the behavior of `pytype.
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Pass command-line options to
pytype. -
Specify a configuration file using
pytype --config /path/to/config/file .... You can generate an example configuration file using the commandpytype --generate-config pytype.cfg. -
If no configuration file is found, pytype uses the …
Call Java Using PyJNIus from Python
PyJNIus is a simple-to-use Java interface for Python. However, JPype is a better alternative.
Installation
pip install Cython
pip install pyjnius
Example with Imported Jar
import os
os.environ["CLASSPATH"] = "/path/to/your.jar"
from jnius import autoclass
YourClass = autoclass(path.to.YourClass)
yourObj = YourClass()
Note: Avoid using the same …
Java Interfaces for Python
JPype, py4j and PyJNIus are all good options for Java interface for Python. Jpype is easy to use and widely adopted. PyJNIus is an even easier solution compred to JPype. py4j is more complicated to use compared to JPype and PyJNIus, however, it has a better performance, generally speaking.
JPype …
Avoid Database Lock in SQLite3
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According to https://www.sqlite.org/lockingv3.html, POSIX advisory locking is known to be buggy or even unimplemented on many NFS implementations (including recent versions of Mac OS X) and that there are reports of locking problems for network filesystems under Windows. So, the rule of thumb is to …