ferryzhou

## lending_club_data_analysis.py
# $ jupyter notebook
# Right top, click New
# https://www.dataquest.io/blog/jupyter-notebook-tutorial/
# https://www.kaggle.com/janiobachmann/lending-club-risk-analysis-and-metrics

## show_youtube_dl.sh
# Download youtube to mp3
youtube-dl -f bestaudio -x --audio-format mp3 -o '%(playlist)s/%(playlist_index)s – %(title)s.%(ext)s' https://www.youtube.com/playlist?list=PLByf7LdMdgugN_3Jms9fjJpNV6rS_eB2N

# Download playlist
youtube-dl -o '%(playlist)s/%(playlist_index)s – %(title)s.%(ext)s' https://www.youtube.com/playlist?list=PLByf7LdMdgugN_3Jms9fjJpNV6rS_eB2N

# Cut videos
ffmpeg -i movie.mp4 -ss 00:00:03 -t 00:00:08 -async 1 cut.mp4

# Download from ustream to mp4 so even partially downloaded data can be used

## show_linear_sigmoid_sgd.py
import numpy as np

# logistic regression.
# yi = sigmoid(dot(a * xi))

def sigmoid(x):
  return 1 / (1 + np.exp(-x))

N = 1000
M = 2

## show_linear_sgd.py
import numpy as np

# A linear function.
# Ax = y
# Given A and y, solve x.
# Standard L2 loss function with l2 regularization.

N = 1000
M = 2
A = np.random.random((N, M))

## README.md

      
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                Use riot and ajax to show data from a restful api using postgrest. also use bootswatch for theme.
              
          
start restful api server

postgrest "host=localhost dbname=tnews" -a $(whoami) --schema public

serve the html

python -m SimpleHTTPServer 8080

  
## show_mbot_bluetooth.js
// Based on tutorial here:
//   https://itp.nyu.edu/physcomp/labs/labs-serial-communication/lab-serial-communication-with-node-js/
// Examples:
//   node test.js /dev/tty.Makeblock-ELETSPP

var serialport = require('serialport');
var SerialPort = serialport.SerialPort;
var portName = process.argv[2];

// turn led green

## google_api_go_client.go
// https://github.com/google/google-api-go-client

import (
        "golang.org/x/net/context"
        "golang.org/x/oauth2/google"
        "google.golang.org/api/compute/v1"
)

func main() {
        // Use oauth2.NoContext if there isn't a good context to pass in.

## 0_reuse_code.js
// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

## go.vimrc
execute pathogen#infect()
syntax on
filetype plugin indent on
set number
set backspace=2

set t_Co=256
set background=dark
colorscheme PaperColor

## create_mappings.sh
curl -XPUT 'http://localhost:9200/_template/github-watch' -d @github-watch-mappings.json
	# $ jupyter notebook
	# Right top, click New
	# https://www.dataquest.io/blog/jupyter-notebook-tutorial/
	# https://www.kaggle.com/janiobachmann/lending-club-risk-analysis-and-metrics
	# Download youtube to mp3
	youtube-dl -f bestaudio -x --audio-format mp3 -o '%(playlist)s/%(playlist_index)s – %(title)s.%(ext)s' https://www.youtube.com/playlist?list=PLByf7LdMdgugN_3Jms9fjJpNV6rS_eB2N

	# Download playlist
	youtube-dl -o '%(playlist)s/%(playlist_index)s – %(title)s.%(ext)s' https://www.youtube.com/playlist?list=PLByf7LdMdgugN_3Jms9fjJpNV6rS_eB2N

	# Cut videos
	ffmpeg -i movie.mp4 -ss 00:00:03 -t 00:00:08 -async 1 cut.mp4

	# Download from ustream to mp4 so even partially downloaded data can be used
	import numpy as np

	# logistic regression.
	# yi = sigmoid(dot(a * xi))

	def sigmoid(x):
	return 1 / (1 + np.exp(-x))

	N = 1000
	M = 2
	import numpy as np

	# A linear function.
	# Ax = y
	# Given A and y, solve x.
	# Standard L2 loss function with l2 regularization.

	N = 1000
	M = 2
	A = np.random.random((N, M))
	// Based on tutorial here:
	// https://itp.nyu.edu/physcomp/labs/labs-serial-communication/lab-serial-communication-with-node-js/
	// Examples:
	// node test.js /dev/tty.Makeblock-ELETSPP

	var serialport = require('serialport');
	var SerialPort = serialport.SerialPort;
	var portName = process.argv[2];

	// turn led green
	// https://github.com/google/google-api-go-client

	import (
	"golang.org/x/net/context"
	"golang.org/x/oauth2/google"
	"google.golang.org/api/compute/v1"
	)

	func main() {
	// Use oauth2.NoContext if there isn't a good context to pass in.
	// Use Gists to store code you would like to remember later on
	console.log(window); // log the "window" object to the console
	execute pathogen#infect()
	syntax on
	filetype plugin indent on
	set number
	set backspace=2

	set t_Co=256
	set background=dark
	colorscheme PaperColor