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@gbuesing
gbuesing / ml-ruby.md
Last active December 10, 2025 03:21
Resources for Machine Learning in Ruby

UPDATE a fork of this gist has been used as a starting point for a community-maintained "awesome" list: machine-learning-with-ruby Please look here for the most up-to-date info!

Resources for Machine Learning in Ruby

Gems

require 'rails_helper'
RSpec.describe TodosController, :type => :controller do
describe "GET #index" do
#describe "POST #create" do
#describe "GET #show" do
#describe "PATCH #update" do (or PUT #update)
#describe "DELETE #destroy" do
#describe "GET #new" do
@profh
profh / decode_session_cookie.rb
Last active January 9, 2025 12:23
A simple script to decode Rails 4 session cookies
@francolaiuppa
francolaiuppa / express-controller.js
Last active April 21, 2023 17:31
Express JS + Amazon S3 + DropzoneJS Code Snippet
// Requires https://www.npmjs.org/package/s3-policy and https://www.npmjs.org/package/node-uuid
var config = require('env/' + process.env.NODE_ENV),
policy = require('s3-policy'),
uuid = require('node-uuid');
// SETUP S3
const AWS_ACCESS_KEY = config.s3.accessKey;
const AWS_SECRET_KEY = config.s3.secret;
const S3_BUCKET = config.s3.bucket;
@francolaiuppa
francolaiuppa / gist:40147b4bc92f576cb09d
Created August 11, 2014 20:17
Amazon S3 CORS Configuration (DANGER: DEVELOPMENT ONLY, NOT MEANT FOR PRODUCTION ENVIRONMENTS)
<?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
<CORSRule>
<AllowedOrigin>*</AllowedOrigin>
<AllowedMethod>GET</AllowedMethod>
<AllowedMethod>POST</AllowedMethod>
<AllowedMethod>PUT</AllowedMethod>
<AllowedHeader>*</AllowedHeader>
</CORSRule>
</CORSConfiguration>
@Killavus
Killavus / ugly_code_refactoring.coffee
Last active March 14, 2022 17:52
Example of possible refactoring of badly written code - loading photos and making it grayed after click
Photos = {}
class Photos.App
constructor: ->
@gui = new Photos.Gui($("#photos-list"))
@backend = new Photos.Backend()
start: =>
@backend.fetchPhotos()
.done(
@hopsoft
hopsoft / db.rake
Last active November 13, 2025 15:40
Rails rake tasks for dump & restore of PostgreSQL databases
# lib/tasks/db.rake
namespace :db do
desc "Dumps the database to db/APP_NAME.dump"
task :dump => :environment do
cmd = nil
with_config do |app, host, db, user|
cmd = "pg_dump --host #{host} --username #{user} --verbose --clean --no-owner --no-acl --format=c #{db} > #{Rails.root}/db/#{app}.dump"
end
puts cmd
@jberkus
jberkus / gist:6b1bcaf7724dfc2a54f3
Last active January 7, 2026 03:03
Finding Unused Indexes
WITH table_scans as (
SELECT relid,
tables.idx_scan + tables.seq_scan as all_scans,
( tables.n_tup_ins + tables.n_tup_upd + tables.n_tup_del ) as writes,
pg_relation_size(relid) as table_size
FROM pg_stat_user_tables as tables
),
all_writes as (
SELECT sum(writes) as total_writes
FROM table_scans
@graydon
graydon / country-bounding-boxes.py
Created April 23, 2014 00:03
country bounding boxes
# extracted from http//www.naturalearthdata.com/download/110m/cultural/ne_110m_admin_0_countries.zip
# under public domain terms
country_bounding_boxes = {
'AF': ('Afghanistan', (60.5284298033, 29.318572496, 75.1580277851, 38.4862816432)),
'AO': ('Angola', (11.6400960629, -17.9306364885, 24.0799052263, -4.43802336998)),
'AL': ('Albania', (19.3044861183, 39.624997667, 21.0200403175, 42.6882473822)),
'AE': ('United Arab Emirates', (51.5795186705, 22.4969475367, 56.3968473651, 26.055464179)),
'AR': ('Argentina', (-73.4154357571, -55.25, -53.628348965, -21.8323104794)),
'AM': ('Armenia', (43.5827458026, 38.7412014837, 46.5057198423, 41.2481285671)),

How-to setup a simple git push deployment

These are my notes basically. At first i created this gist just as a reminder for myself. But feel free to use this for your project as a starting point. If you have questions you can find me on twitter @thomasf

On the server (example.com)

  1. Create a user on example.com, as which we (the git client) connect (push) to exmaple.com.
sudo useradd -m -s /usr/bin/git-shell git