herrbuerger

from annoy import AnnoyIndex

a = AnnoyIndex(3)
a.add_item(10, [1, 0, 0])
a.add_item(11, [0, 1, 0])
a.add_item(13, [0, 0, 1])
a.build(-1)

print a.get_nns_by_item(13, 10)
print a.get_nns_by_item(1, 10)

herrbuerger

#include <Python.h>
#include <numpy/arrayobject.h>
#include "euclidean.h"
 
/* Docstrings */
static char module_docstring[] =
    "This module provides an interface for calculating squared euclidean distance";
static char euclidean_docstring[] =
    "Calculate the squared euclidean distance of two 128-dimensional vectors";
 

herrbuerger

PSQL

Magic words:

psql -U postgres

If run with -E flag, it will describe the underlaying queries of the \ commands (cool for learning!).

Most \d commands support additional param of __schema__.name__ and accept wildcards like *.*

herrbuerger

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