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import numpy as np
import matplotlib.pyplot as plt
from sklearn import datasets, mixture
# Create some random clustered data in 2 dimensions
n_clusters = 3
n_features = 2
n_samples = 500
data = datasets.make_blobs(n_samples=n_samples,
@edoakes
edoakes / monte_carlo_pi.py
Last active May 15, 2024 02:14
Monte Carlo Pi estimation
import argparse
import time
import random
import math
parser = argparse.ArgumentParser(description="Approximate digits of Pi using Monte Carlo simulation.")
parser.add_argument("--num-samples", type=int, default=1000000)
parser.add_argument("--parallel", default=False, action="store_true")
parser.add_argument("--distributed", default=False, action="store_true")
@wiso
wiso / covariance_to_correlation.py
Created March 20, 2018 08:33
Compute correlation matrix from covariance matrix using numpy
import numpy as np
def correlation_from_covariance(covariance):
v = np.sqrt(np.diag(covariance))
outer_v = np.outer(v, v)
correlation = covariance / outer_v
correlation[covariance == 0] = 0
return correlation
@umidjons
umidjons / youtube-dl-download-audio-only-on-best-quality.md
Last active November 14, 2024 21:20
Download Audio from YouTube with youtube-dl

Download Audio from YouTube

-i - ignore errors

-c - continue

-t - use video title as file name

--extract-audio - extract audio track

@tafarij
tafarij / install-pulse.sh
Created April 22, 2017 13:05
Install Pulse Secure on Ubuntu 16.04
# https://vt4help.service-now.com/kb_view_customer.do?sysparm_article=KB0010740#linux
wget https://secure.nis.vt.edu/resources/downloads/pulse-8.2R5.i386.deb
sudo dpkg –i pulse-8.2R5.i386.deb
/usr/local/pulse/PulseClient.sh install_dependency_packages
@OleksandrKucherenko
OleksandrKucherenko / version-up.sh
Last active August 15, 2024 07:28
Calculate Next Suitable Version Tag for Your Git based project
#!/usr/bin/env bash
# shellcheck disable=SC2155
## Copyright (C) 2017, Oleksandr Kucherenko
## Last revisit: 2023-09-30
## Version: 2.0.2
## License: MIT
## Fix: 2023-10-01, prefix for initial INIT_VERSION was not applied
## Fix: 2023-10-01, correct extraction of latest tag that match version pattern
## Added: 2023-09-30, @mrares prefix modification implemented
@dsdenes
dsdenes / nvidia-docker-install-ubuntu16.04.sh
Created August 14, 2016 11:22
nvidia-docker install on Ubuntu 16.04
#!/bin/bash
sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates
sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
sudo echo deb https://apt.dockerproject.org/repo ubuntu-xenial main > /etc/apt/sources.list.d/docker.list
sudo apt-get update
sudo apt-get purge lxc-docker docker.io
sudo apt-get install linux-image-extra-$(uname -r)
sudo apt-get install docker-engine
@dave-andersen
dave-andersen / kmeans.py
Last active September 1, 2022 11:15
k-means in Tensorflow
import tensorflow as tf
import numpy as np
import time
N=10000
K=4
MAX_ITERS = 1000
start = time.time()
@elacheche
elacheche / HUAWEI_E3531.sh
Last active July 5, 2021 14:07
Little script to enable HUAWEI E3531 on Ubuntu
sudo apt-get update && sudo apt-get install usb-modeswitch && v=$(lsusb | grep "Huawei" | awk '{ print $6 }' | awk -F: '{ print $1 }'); p=$(lsusb | grep "Huawei" | awk '{ print $6 }' | awk -F: '{ print $2 }'); sudo usb_modeswitch -v $v -p $p -M '55534243123456780000000000000011062000000100000000000000000000'
@artizirk
artizirk / readme.txt
Created April 10, 2015 19:34
Huawei E3372h-153
Working Huawei E3372h-153 SETPORT mappings
replacing A1,A2 with FF turns off need for usb_modeswitch
AT^SETPORT="A1,A2;12,1,16,A1,A2"
^GETPORTMODE: TYPE: WCDMA: huawei,PCUI:0,MDM:1,NDIS:2,CDROM:3,SD:4,
AT^SETPORT="A1,A2;1,12,16,A1,A2"