bergmannjg

Building a react native app in WSL2

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

• Install tools in Windows
• Enable mirrored networking mode in WSL2
• Install tools in WSL2
• Connect to android hardware device from Windows
• Connect to android hardware device from WSL2
• Connect to android virtual device in Windows

kainam00

#!/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

ogrrd

Never touch your local /etc/hosts file in OS X again

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.

Requirements

• Homebrew
• Mountain Lion -> High Sierra

Install

trinitronx

#!/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

rgreenjr

-- 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%' 

takezoe

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.")
}