Jeiwan

# activerecord-3.0.0/lib/active_record/connection_adapters/mysql_adapter.rb
# Maps logical Rails types to MySQL-specific data types.
def type_to_sql(type, limit = nil, precision = nil, scale = nil)
  return super unless type.to_s == 'integer'

  case limit
  when 1; 'tinyint'
  when 2; 'smallint'
  when 3; 'mediumint'
  when nil, 4, 11; 'int(11)'  # compatibility with MySQL default

Jeiwan

Keybase proof

I hereby claim:

• I am jeiwan on github.
• I am jeiwan (https://keybase.io/jeiwan) on keybase.
• I have a public key whose fingerprint is 9572 6E1E 203D 58CC E194 83C3 4931 B584 29A0 7886

To claim this, I am signing this object:

Jeiwan

events {
  worker_connections  1024;
}

http {
  server {
      listen 80;
      listen 443 default ssl;
      server_name SERVER_NAME;

Jeiwan

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

Jeiwan

If you want to use the latest available version of Squid, you can Build a Squid anonymous proxy from source code

Setup a Squid anonymous proxy

Table of contents

• Disclaimer
• Squid installation script
• Manage users

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Fenced code blocks inside ordered and unordered lists

1. This is a numbered list.

2. I'm going to include a fenced code block as part of this bullet:

   Code
   More Code
   

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package main

import (
	"context"
	"log"
	"net/http"
	"os"
	"os/signal"
	"time"
)

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(ns woof.core
  (:gen-class)
  (:require [clojure.tools.logging :as log])
  (:import StringAppender))

(defn -main
  "I don't do a whole lot ... yet."
  [& args]
  (log/info "Hello, world!")
  (println "Done")

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Identifying Arbitrage Opportunities with Graphs

---

Introduction

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(require '[amazonica.aws.s3 :as s3])
(import '[com.amazonaws.services.s3.model Tag ObjectTagging])

(def bucket "bucket")
(def kkey "key")
(def file (clojure.java.io/file "file"))

(defn tags->tagging [tags]
  (->> tags
       clojure.walk/stringify-keys