Timo Sulg timgluz

The introduction to Reactive Programming you've been missing

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors and Sequences

Git Cheat Sheet

Commands

Getting Started

git init

or

Intro

The Advanced Threat Security Team in Cisco's Security Business Group is building a global scale, multi-product security platform with an emphasis on Threat Intelligence and Incident Response support.

Our system runs as a distributed cluster in the cloud, and shrunk down to a single on-premises appliance. This keeps us focused on simple solutions, clear abstractions between services, composition of

Backport Rails 6 per-environment credentials to Rails 5.2

Rails PR: rails/rails#33521

This patch makes it possible to use per-environment credentials (i.e., config/credentials/staging.yml.enc) in Rails 5.2.

Installation

Drop backport_rails_six_credentials.rb and backport_rails_six_credentials_command.rb somewhere, for example, into the lib/ folder
Add this line to config/application.rb:

	(comment ; Fun with transducers, v2

	;; Still haven't found a brief + approachable overview of Clojure 1.7's new
	;; transducers in the particular way I would have preferred myself - so here goes:

	;;;; Definitions
	;; Looking at the `reduce` docstring, we can define a 'reducing-fn' as:
	(fn reducing-fn ([]) ([accumulation next-input])) -> new-accumulation
	;; (The `[]` arity is actually optional; it's only used when calling
	;; `reduce` w/o an init-accumulator).

	// Restify Server CheatSheet.
	// More about the API: http://mcavage.me/node-restify/#server-api
	// Install restify with npm install restify


	// 1.1. Creating a Server.
	// http://mcavage.me/node-restify/#Creating-a-Server


	var restify = require('restify');

	(ns foami.core
	"FOreign Asynchronous Mechanism Interop"
	(:require [clojure.core.async :as async]))

	(def ^:private abandon (doto (async/chan) async/close!))

	(def ^:private pending-writes (async/chan))

	(defn put!
	"Tries to put a val into chan, returns either: true if put succeeded, false if chan is

	# Hello, and welcome to makefile basics.
	#
	# You will learn why `make` is so great, and why, despite its "weird" syntax,
	# it is actually a highly expressive, efficient, and powerful way to build
	# programs.
	#
	# Once you're done here, go to
	# http://www.gnu.org/software/make/manual/make.html
	# to learn SOOOO much more.

	#!/bin/sh

	export SCALEWAY_ORGANIZATION=XXX
	export SCALEWAY_TOKEN=XXX
	export SWARM_TOKEN=XXX

	docker-machine create -d scaleway --swarm --scaleway-name=swarm-manager --swarm-master --swarm-discovery=token://$SWARM_TOKEN swarm-manager

	for node in 1 2 3; do docker-machine create -d scaleway --swarm --scaleway-name=swarm-node-$node --swarm-discovery=token://$SWARM_TOKEN swarm-node-$node; done