Paul Gradie paulegradie

## reset_branch.txt
git fetch --all
git reset --hard origin/{branch_name}

## find_new_files.txt
git diff {old_branch}...{new_branch} --name-status --diff-filter=A

e.g. to find a enw file added since branching from master:
git diff master...gradie/sandbox --name-status --diff-filter=A


Options for `--diff-filter

Added (A)
Copied (C)

## make_blob.py
import numpy as np

def make_blob_part(mean, cov, num_points=500):
    x, y = np.random.multivariate_normal(mean, cov, num_points).T
    return np.hstack((x.reshape(-1, 1), y.reshape(-1, 1)))

mean1 = [-10, 10]
mean2 = [-15, 5]
mean3 = [-9, 3]

## sample_embeddings.txt
idx | embed_matrix
0   [[ 0.21143426,  1.2885487 ,  0.98160927,  0.17858341],
1    [-0.38735983,  0.06507064,  1.31839592, -0.91412724],
2    [ 1.13726889,  0.48327542,  0.65075236,  0.93818869],
3    [1.73606298,   1.70675348,  0.31396571,  2.03089933]]

## word2index.py
"""
# The map
word     |  idx
----------------
king     |   0
male     |   1
queen    |   2
female   |   3
"""

## word_math.py
# assigns the row from the embedding matrix to the named variable
king   = embed_matrix[word_to_index['king']]
male   = embed_matrix[word_to_index[‘male’]]
female = embed_matrix[word_to_index[‘female']]
queen  = embed_matrix[word_to_index['queen']]

# the formula now uses the vectors from the embedding matrix
assert (king - man) + woman ≈ queen