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@edwardsharp
edwardsharp / bucket_sync_service.rb
Created May 10, 2016 23:18
ruby class to copy from one aws s3 bucket to another based on bantic/bucket_sync_service.rb
require 'aws-sdk'
class BucketSyncService
attr_reader :from_bucket, :to_bucket, :logger
attr_accessor :debug
DEFAULT_ACL = "public-read"
def initialize(from_bucket, to_bucket)
@HoneyryderChuck
HoneyryderChuck / chat.rb
Last active January 16, 2023 07:28
Simple Chat Application, proof of concept for hybrid of thread-server http with evented-server SSE.
# chat.rb
require 'sinatra/base'
# this also loads celluloid io, let's keep that in mind
require 'celluloid/current'
require 'reel'
# The chat server, an IO Event Loop held by the actor
# Collects connections (Reel Event Streams)
#
# Contrary to EventMachine, there is no event callback for
@vasanthk
vasanthk / System Design.md
Last active April 28, 2025 19:50
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?
@mcxiaoke
mcxiaoke / nginx-gitweb.md
Created January 18, 2016 02:54
Set up Gitweb + Nginx from scratch on Debian Wheezy

This guide offers the least time-consuming way of setting up Nginx for serving Git repositories over HTTP using Gitweb. The stuff here has been tested with Git 1.9.1 and Nginx 1.6.0 on Debian Wheezy. Probably also works for Ubuntu, etc.

Total time ~ 10 minutes.

Install

Enable wheezy-backports by adding this line to /etc/apt/sources.list:

deb http://http.debian.net/debian wheezy-backports main
@JoshCheek
JoshCheek / Readme.md
Last active April 6, 2016 16:13
Typing game 2
@sdogruyol
sdogruyol / websocket_bencmark.md
Last active June 25, 2022 15:32

Crystal vs Node.js Websocket Benchmark

Crystal 0.9.1 with Kemal

require "kemal"

ws "/" do |socket|
  socket.on_message do |message|
 end
@bmoren
bmoren / fence.js
Created July 1, 2015 21:55
HTML5 geolocation geofence location detection (without geofence API)
window.onload = function() {
var startPos;
var startPosLat;
var startPosLong;
var distance;
if (navigator.geolocation) {
startPosLat = 44.95716993150707;
startPosLong = -93.28439280496818;
@mbostock
mbostock / .block
Last active March 23, 2018 08:44
Connected Particles II
license: gpl-3.0
@igorpavlov-zz
igorpavlov-zz / gist:18af35999f8c7838cf21
Created February 22, 2015 00:24
AppRTC main JS code
var RTCPeerConnection = null;
var getUserMedia = null;
var attachMediaStream = null;
var reattachMediaStream = null;
var webrtcDetectedBrowser = null;
var webrtcDetectedVersion = null;
function trace(text) {
if (text[text.length - 1] === "\n") {
text = text.substring(0, text.length - 1);
@roachhd
roachhd / README.md
Last active April 29, 2025 13:14
Basics of BrainFuck

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BrainFuck Programming Tutorial by: Katie

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INTRODUCTION