Shan Dou shandou

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?

type below:

brew update
brew install redis

To have launchd start redis now and restart at login:

brew services start redis

type below:

brew update
brew install redis

To have launchd start redis now and restart at login:

brew services start redis

People

	from sklearn.metrics import roc_curve, roc_auc_score, auc
	from scipy import stats
	import matplotlib.pyplot as plt
	# %matplotlib inline

	def plot_roc_curve(y, y_pred, gini, ks):
	fpr, tpr, thresholds = roc_curve(y, y_pred)
	roc_auc = auc(fpr, tpr)

	fig = plt.figure()

	#!/bin/bash
	brew install redis # Install Redis using Homebrew
	ln -sfv /usr/local/opt/redis/*.plist ~/Library/LaunchAgents # Enable Redis autostart

	launchctl load ~/Library/LaunchAgents/homebrew.mxcl.redis.plist # Start Redis server via launchctl
	# homebrew.mxcl.redis.plist contains reference to redis.conf file location: /usr/local/etc/redis.conf

	redis-server /usr/local/etc/redis.conf # Start Redis server using configuration file, Ctrl+C to stop
	redis-cli ping # Check if the Redis server is running

	" Don't try to be vi compatible
	set nocompatible

	" Helps force plugins to load correctly when it is turned back on below
	filetype off

	" TODO: Load plugins here (pathogen or vundle)

	" Turn on syntax highlighting
	syntax on