rm--

brew install ccat curl wget fd ripgrep exercism go hashcat htop httpie jq tig pstree tree youtube-dl zshscala maven shellcheck 

brew cask install tunnelblick vlc virtualbox meteorologist intellij-idea-ce firefox mullvad firefoxdeveloperedition

# https://apple.stackexchange.com/questions/69223/how-to-replace-mac-os-x-utilities-with-gnu-core-utilities
# brew reinstall --with-default-names coreutils findutils gnu-tar gnu-sed gawk gnutls gnu-indent gnu-getopt
brew install findutils --with-default-names
brew install gnu-indent --with-default-names
brew install gnu-sed --with-default-names
brew install gnutls

rm--

# show phases during compiling
scalac -Xshow-phases

# print after phase e.g. typer
scala -Xprint:typer

for more see: man scalac

rm--

serve file as response

(macOS) while true; do printf 'HTTP/1.1 200 OK\r\n\r\n'; cat <file>; | nc -l 10100; done

(linux) while true; do printf 'HTTP/1.1 200 OK\r\n\r\n' && cat <file> | nc -l -p 10100; done

request http://127.0.0.1:10100

rm--

urlencode='python3 -c "import sys, urllib.parse as ul; print(ul.quote_plus(sys.argv[1]))"'
urldecode='python3 -c "import sys, urllib.parse as ul; print(ul.unquote_plus(sys.argv[1]))"'

rm--

Preferences -> Profiles -> Terminal tab -> Check "Silence bell"

rm--

#!/usr/bin/env bash

set -EeuCo pipefail

rm--

# $ brew list                                                                                                                                                                           CW 39|30.09.18|22:07:26
ammonite-repl
ansible
apr
apr-util
autoconf
automake
bash
bat
binutils

rm--

https://github.com/pi-hole/pi-hole https://www.kuketz-blog.de/pi-hole-schwarzes-loch-fuer-werbung-raspberry-pi-teil1/

problem

-bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)

1. add comment char # to line with #AcceptEnv LANG LC_* in /etc/ssh/sshd_config

rm--

import cats._
import cats.syntax.flatMap._
import cats.syntax.functor._
import cats.syntax.applicative._

def sumSquare[F[_]: Monad](a: F[Int], b: F[Int]): F[Int] = {
  a.flatMap(x => b.map(y => x*x + y*y))
}

import cats.instances.list._

rm--

import cats._

val eager = Eval.now {
  println("Hey !! I am eager eval")
  "Hello Eval Eager"
}

val lazyEval = Eval.later {
  println("Hey !! I am lazy eval")
  "Hello Eval Lazy"