Peter Klipfel peterklipfel

Building a react native app in WSL2

Install, build and debug a react native app in WSL2 (Windows Subsystem for Linux) and Ubuntu.

Install iTerm2 from https://www.iterm2.com/
Install oh-my-zsh from https://ohmyz.sh/ or https://github.com/robbyrussell/oh-my-zsh
Set iTerm2 theme tab theme to Dark - Preferences | Appearance | Tabs | Theme > Dark
Install Fira Code fonts from https://github.com/tonsky/FiraCode (Clone and navigate to dstr > ttf, install all font files by double clicking)
Install Powerline fonts from https://github.com/powerline/fonts
Set fonts for iTerm2 - Preferences | Profiles | Text
- Change Font to 14pt Fira code regular and Check Use Ligatures checkbox
- Change Non ASCII Font to 14pt Fira mono and Check Use Ligatures checkbox
Install iTerm2 snazzy theme from https://github.com/sindresorhus/iterm2-snazzy
- Navigate to Preferences | Profiles | Color Presets > Snazzy

To setup your computer to work with *.test domains, e.g. project.test, awesome.test and so on, without having to add to your hosts file each time.

	#!/bin/bash

	# Install prerequisites
	yum install -y gcc openssl-devel libyaml-devel libffi-devel readline-devel zlib-devel gdbm-devel ncurses-devel ruby-devel gcc-c++ jq git

	# Import key
	curl -sSL https://rvm.io/mpapis.asc \| gpg2 --import -

	# Install RVM
	curl -sSL https://get.rvm.io \| bash -s stable --ruby

	#!/bin/bash
	# This line sorts first according to numerical size in bytes
	# the second pass through du in the while loop converts to human readable
	# format
	du -s * \| sort -n \| cut -f 2- \| while read a; do du -hs "$a"; done

	-- show running queries (pre 9.2)
	SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
	FROM pg_stat_activity
	WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
	ORDER BY query_start desc;

	-- show running queries (9.2)
	SELECT pid, age(clock_timestamp(), query_start), usename, query
	FROM pg_stat_activity
	WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'

	import scala.util.parsing.json._

	val result = JSON.parseFull("""
	{"name": "Naoki", "lang": ["Java", "Scala"]}
	""")

	result match {
	case Some(e) => println(e) // => Map(name -> Naoki, lang -> List(Java, Scala))
	case None => println("Failed.")
	}