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@shandou
shandou / System Design.md
Created May 25, 2022 05:40 — forked from vasanthk/System Design.md
System Design Cheatsheet

System Design Cheatsheet

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

Basic Steps

  1. Clarify and agree on the scope of the system
  • 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?
@shandou
shandou / [Python] GINI, KS, Plotting ROC curve
Created April 11, 2021 19:22 — forked from danyashorokh/[Python] GINI, KS, Plotting ROC curve
[Python] GINI, KS, Plotting ROC curve
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()
@shandou
shandou / wix_code_snippet.html
Created February 23, 2020 13:50
Snippet for adding code snippet to Wix blog
<!-- CSS style sheets for Prism.js -->
<link
href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.19.0/themes/prism.min.css"
rel="stylesheet"
/>
<link
href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.19.0/plugins/line-numbers/prism-line-numbers.min.css"
rel="stylesheet"
/>
<!-- Code snippet content -->
@shandou
shandou / wix_codesnippet.html
Last active February 23, 2020 13:44
For more information about CND-available PrismJS features:1. Basic documentation and plugin utilities: https://prismjs.com/index.html2. CDN css and js: https://cdnjs.com/libraries/prism
<!-- CSS style sheets for Prism.js -->
<link
href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.19.0/themes/prism.min.css"
rel="stylesheet"
/>
<link
href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.19.0/plugins/line-numbers/prism-line-numbers.min.css"
rel="stylesheet"
/>
<!-- Code snippet content -->
@shandou
shandou / Redis.sh
Created June 2, 2019 03:47 — forked from nrollr/Redis.sh
Install Redis via Homebrew
#!/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
@shandou
shandou / mac-setup-redis.md
Created May 21, 2019 21:28 — forked from tomysmile/mac-setup-redis.md
Brew install Redis on Mac

type below:

brew update
brew install redis

To have launchd start redis now and restart at login:

brew services start redis
@shandou
shandou / mac-setup-redis.md
Last active August 23, 2019 22:42 — forked from tomysmile/mac-setup-redis.md
Brew install Redis on Mac

type below:

brew update
brew install redis

To have launchd start redis now and restart at login:

brew services start redis
@shandou
shandou / .vimrc
Created July 10, 2018 15:21 — forked from simonista/.vimrc
A basic .vimrc file that will serve as a good template on which to build.
" 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
@shandou
shandou / gist:543397cf81d72484604e4ae2bd3961c9
Last active July 9, 2018 03:55 — forked from rxaviers/gist:7360908
Complete list of github markdown emoji markup

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@shandou
shandou / jupyter_shortcuts.md
Created July 2, 2018 15:30 — forked from kidpixo/jupyter_shortcuts.md
Keyboard shortcuts for ipython notebook 3.1.0 / jupyter

Toc

Keyboard shortcuts

The IPython Notebook has two different keyboard input modes. Edit mode allows you to type code/text into a cell and is indicated by a green cell border. Command mode binds the keyboard to notebook level actions and is indicated by a grey cell border.

MacOS modifier keys:

  • ⌘ : Command