Skip to content

Instantly share code, notes, and snippets.

View DustinAlandzes's full-sized avatar

Dustin Alandzes DustinAlandzes

View GitHub Profile
@glamp
glamp / customer-segmentation.py
Last active April 30, 2020 13:40
Analysis for customer segmentation blog post
import pandas as pd
# http://blog.yhathq.com/static/misc/data/WineKMC.xlsx
df_offers = pd.read_excel("./WineKMC.xlsx", sheetname=0)
df_offers.columns = ["offer_id", "campaign", "varietal", "min_qty", "discount", "origin", "past_peak"]
df_offers.head()
df_transactions = pd.read_excel("./WineKMC.xlsx", sheetname=1)
df_transactions.columns = ["customer_name", "offer_id"]
df_transactions['n'] = 1
df_transactions.head()
@karpathy
karpathy / gist:587454dc0146a6ae21fc
Last active May 14, 2025 00:08
An efficient, batched LSTM.
"""
This is a batched LSTM forward and backward pass
"""
import numpy as np
import code
class LSTM:
@staticmethod
def init(input_size, hidden_size, fancy_forget_bias_init = 3):
@grugq
grugq / gist:03167bed45e774551155
Last active July 9, 2025 02:52
operational pgp - draft

Operational PGP

This is a guide on how to email securely.

There are many guides on how to install and use PGP to encrypt email. This is not one of them. This is a guide on secure communication using email with PGP encryption. If you are not familiar with PGP, please read another guide first. If you are comfortable using PGP to encrypt and decrypt emails, this guide will raise your security to the next level.

@seabre
seabre / three.cljs
Last active September 13, 2021 06:19 — forked from michiakig/three.cljs
Three.js demo with ClojureScript. Actually works.
(ns three.demo)
(def THREE js/THREE)
(def camera (THREE.PerspectiveCamera. 75 (/ (.-innerWidth js/window)
(.-innerHeight js/window)) 1 10000))
(set! (.-z (.-position camera)) 1000)
(def scene (THREE.Scene.))
(def geometry (THREE.CubeGeometry. 200 200 200))
(def obj (js/Object.))
(set! (.-color obj) 0xff0000)
(set! (.-wireframe obj) true)