Chao Weng sincejune

AppDynamics

sincejune / findMax.java

Created October 25, 2016 02:02

Find the maximum value of three numbers

	private static int findMax(int a, int b, int c)
	{
	return ((a > b ? a : b) > c) ? (a > b ? a : b) : c;
	}

sincejune / gist:25f693b9201457738e0e3d692cc645b3

Created April 15, 2017 12:47

remove all pip packages

pip freeze | xargs pip uninstall -y

sincejune / gist:214e0f213061a24b12dca853287cc5cb

Created April 29, 2017 17:38

remove chinese in vim

:%s/\v[^\x00-\xff]+//g

sincejune / gist:0556a88cb70a6902773d12d5636c6d6b

Created June 28, 2017 12:51

env LDFLAGS="-L$(brew --prefix openssl)/lib" CFLAGS="-I$(brew --prefix openssl)/include" pip install cryptography

sincejune / gist:c3d9e583e47bbbcf05ee6aca8cb4ffe3

Last active May 24, 2018 13:34

simple kafka producer

	from kafka import KafkaProducer
	import time
	import json
	producer = KafkaProducer(value_serializer=lambda m: json.dumps(m).encode('utf-8'), bootstrap_servers=['localhost:9092'])
	while True:
	time.sleep(0.001)
	producer.send(topic, {'message': time.time()})

sincejune / cryptography.sh

Created April 24, 2018 10:10

cryptography

env LDFLAGS="-L$(brew --prefix openssl)/lib" CFLAGS="-I$(brew --prefix openssl)/include" pip install cryptography

sincejune / simple kafka consumer

Last active May 24, 2018 13:46

	#! /usr/bin/env python
	import json
	import datetime
	import pytz

	from kafka import KafkaConsumer


	def is_json(o):
	try:

sincejune / tcp dump port 9200 to file

Created May 30, 2018 14:07

tcpdump

sudo tcpdump -i lo -w ./target.cap tcp port 9200

sincejune / wireshark.sh

Created May 30, 2018 14:26

wireshark work with tcpdump

wireshark -k -i <(ssh [email protected] "sudo tcpdump -w - -i lo tcp port 9200")

sincejune / gist:794a02d33d7aead6967f86c10440b92e

Created December 19, 2018 11:39

nofile

{"default-ulimits": {"nofile": {"100:200"}}}