heri16

#!/usr/bin/env zsh
curl -o commandlinetools-linux.zip https://dl.google.com/android/repository/commandlinetools-linux-11076708_latest.zip && unzip commandlinetools-linux.zip && rm commandlinetools-linux.zip

heri16

# Measure Bandwidth (using https://www.speedtest.net/apps/cli)
#wget https://install.speedtest.net/app/cli/ookla-speedtest-1.2.0-linux-x86_64.tgz -O /tmp/speedtest.tgz
wget https://install.speedtest.net/app/cli/ookla-speedtest-1.2.0-linux-aarch64.tgz -O /tmp/speedtest.tgz
tar -xzvf /tmp/speedtest.tgz -C /usr/sbin/
rm -f /tmp/speedtest.tgz /usr/sbin/speedtest.*
chmod +x /usr/sbin/speedtest

/etc/init.d/qosify stop
speedtest --format=tsv > /tmp/speedtest.tsv &&
BANDWIDTH_DOWN="$(($(cut -f6 /tmp/speedtest.tsv) / 125000))mbit" &&

heri16

# Install asdf
brew install coreutils git
git clone https://github.com/asdf-vm/asdf.git ~/.asdf --branch v0.12.0
cat <<EOF >> ~/.zshrc
. "$HOME/.asdf/asdf.sh"
# append completions to fpath
fpath=(${ASDF_DIR}/completions $fpath)
# initialise completions with ZSH's compinit
autoload -Uz compinit && compinit
EOF

heri16

FROM keybaseio/client:stable-slim

RUN apt-get update && apt-get install -y expect

COPY keybase-provision.sh /provision.sh
RUN chmod +x /provision.sh
CMD ["/provision.sh", "keybase", "chat", "send", "--channel", "'#general'", "stockbitcrypto", "'Hello World from bot'"]

heri16

package main

import (
    "fmt"
    "net/http"
    "time"

    "github.com/aws/aws-sdk-go/aws"
    "github.com/aws/aws-sdk-go/aws/credentials"
    "github.com/aws/aws-sdk-go/aws/session"

heri16

Reuse logic in Elixir

Here are commons ways to reuse logic in Elixir:

1a. Move Function to other module (guards, pattern-matching) 1b. Protocol - Polymorphism

2. Behaviour Dynamic-func - with def method_name(implemetation, args)

heri16

defmodule FlattenArray do
  @doc """
    Accept a list and return the list flattened without nil values.

    ## Examples

      iex> FlattenArray.flatten([1, [2], 3, nil])
      [1,2,3]

      iex> FlattenArray.flatten([nil, nil])

heri16

Instructions

brew update
brew install asdf openssl@1.1
EDITOR=nano brew edit wxmac # Edit the file according to wxmac.patch
brew install wxmac --build-from-source

asdf plugin add erlang
asdf plugin add elixir

heri16

package main

import (
	"bytes"
	"encoding"
	"encoding/binary"
	"io"
	"fmt"

	"stockbit.com/proto/ouch42"

heri16

macOS / darwin

Install Dependencies

# Build-time Deps
brew install cmake
# brew install gcc@10
pip3 install gil