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

leetschau

#!/bin/sh
# From: http://stackoverflow.com/a/34054903/701420
# Simple script that will display docker repository tags.
#
# Usage:
#   $ docker-show-repo-tags.sh ubuntu centos
for Repo in $* ; do
  curl -s -S "https://registry.hub.docker.com/v2/repositories/library/$Repo/tags/" | \
    sed -e 's/,/,\n/g' -e 's/\[/\[\n/g' | \
    grep '"name"' | \

kwmiebach

Usage

(Create a symlink pytest for py.test)

pytest [options] [file_or_dir] [file_or_dir] ...

Help:

imkarthikk

# update packages
sudo apt-get update

# install python and graphite dependencies
sudo apt-get install -y python python-dev python-virtualenv libevent-dev python-pip python-cairo python-django-tagging python-twisted python-memcache python-pysqlite2

# install web server
sudo apt-get install -y nginx uwsgi uwsgi-plugin-python

# install postgresql and dependencies

vmaks

# link: http://askubuntu.com/questions/271388/how-to-install-gcc-4-8?newreg=6c2b1c109685438c8bc7b37a87cefb21
# link to the repository: https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test?field.series_filter=precise

# Open a terminal(Ctrl+Alt+t) and run the following commands:
sudo apt-get install python-software-properties
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update

# install gcc
sudo apt-get install gcc-4.8

allex

环境 (Environment)

版本：Ubuntu 14.04 LTS 默认语言：English(United States)

安装 (Setup)

Debian 和 Ubuntu 下对中文支持比较好的字体有： fonts-droid、ttf-wqy-zenhei 和 ttf-wqy-microhei 等，除了文泉驿系列字体外，比较流行的免费中文字体还有文鼎提供的楷体和上海宋，包名分别是： fonts-arphic-ukai 和 fonts-arphic-uming。

jakeonrails

data:text/html, <style type="text/css">#e{position:absolute;top:0;right:0;bottom:0;left:0;}</style><div id="e"></div><script src="http://d1n0x3qji82z53.cloudfront.net/src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script><script>var e=ace.edit("e");e.setTheme("ace/theme/monokai");e.getSession().setMode("ace/mode/ruby");</script>

andyferra

body {
  font-family: Helvetica, arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  padding-top: 10px;
  padding-bottom: 10px;
  background-color: white;
  padding: 30px; }

body > *:first-child {