john2x

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

akras14

Git Cheat Sheet

Commands

Getting Started

git init

or

xelwarto

global
  chroot  /var/lib/haproxy
  crt-base  /etc/pki/tls/certs
  daemon  
  group  haproxy
  log  127.0.0.1 local0
  maxconn  2000
  pidfile  /var/run/haproxy.pid
  stats  socket /var/lib/haproxy/stats
  tune.ssl.default-dh-param  2048

cb372

Category theory jargon cheat sheet

A primer/refresher on the category theory concepts that most commonly crop up in conversations about Scala or FP. (Because it's embarassing when I forget this stuff!)

I'll be assuming Scalaz imports in code samples, and some of the code may be pseudo-Scala.

Functor

A functor is something that supports map.

mrmcc3

(ns tokens
  (:require [buddy.sign.jws :as jws]
            [buddy.sign.util :refer [to-timestamp]]
            [clj-time.core :as time]))

;; see https://www.firebase.com/docs/rest/guide/user-auth.html#section-token-generation

(defn firebase-token
  "generates a firebase JWT. (generated JWT must be less than 1024 characters)
  a nil token is returned if requirements aren't met

yogthos

Introductory resources

• High level overview https://yogthos.github.io/ClojureDistilled.html
• An Animated Introduction to Clojure https://markm208.github.io/cljbook/
• Interactive tutorial in a browser https://tryclojure.org/
• Interactive exercises http://clojurescriptkoans.com/
• Clerk notebooks with introductory examples https://github.clerk.garden/anthonygalea/notes-on-clojure
• More interactive exercises https://4clojure.oxal.org/
• Lambda Island tutorials https://lambdaisland.com/
• Functional Programming with Clojure resources https://practicalli.github.io/