jamal919

#!/bin/bash
## WRF installation with parallel process.
# Download and install required library and data files for WRF.
# License: LGPL
# Jamal Khan <[email protected]>
# Tested in Ubuntu 18.04 LTS

# basic package managment
sudo apt update
sudo apt upgrade

zlin888

Scrapy Cheatsheet

For test

scrapy shell https://example.com/

Run

scrapy crawl spider_name

Output

scrapy crawl dapps -o data/07-07-dapps.csv
scrapy crawl dapps -t csv -o - >"data/dapp/$DATE-dapp.csv"

sahilsk

Kafka Cheat Sheet

Display Topic Information

$ kafka-topics.sh --describe --zookeeper localhost:2181 --topic beacon
Topic:beacon	PartitionCount:6	ReplicationFactor:1	Configs:
	Topic: beacon	Partition: 0	Leader: 1	Replicas: 1	Isr: 1
	Topic: beacon	Partition: 1	Leader: 1	Replicas: 1	Isr: 1