jbritton

GraphQL Cheat Sheet

Overview

• An alternative approach to RESTful APIs
• Clients issue queries/mutations to read and update data
• Clients can fetch only the entity fields that are required
• GraphQL query syntax can express complex entity relations => nested objects
• Mitigates the explosion of RESTful endpoints in scenarios where many different representations of an entity are needed
• Graphiql is a query execution UI, also provides good documentation

luzfcb

A UUID-4 has five groups of lowcase hexadecimal characters, the first has 8 chars, the second 4 chars, the third 4 chars, the fourth 4 chars, the fifth 12 chars.

However to make it a valid UUID4 the third group (the one in the middle) must start with a 4:

00000000-0000-4000-0000-000000000000
              ^

packz

from scapy.all import *
import time
import argparse
import os
import sys


def arpPoison(args):
  conf.iface= args.iface
  pkt = ARP()