v5tech

Install pandoc on Mac OS X 10.8

Install

Install haskell-platform

$ brew install haskell-platform

v5tech

• https://gist.github.com/linjunpop/5252450
• http://tonylawrence.com/blog/2014/01/01/configuring-your-haskell-environment/
• http://johnmacfarlane.net/pandoc/

v5tech

###在mac os上安装hg

安装Mercurial-2.9-py2.7-macosx10.9.zip

v5tech

在mac上安装bzr

• 安装brew

ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"

• 使用brew安装

brew install bazaar

v5tech

mac上后台启动mongodb脚本

#!/usr/bin/env bash
nohup mongod --auth --dbpath data/db/ --logpath log/log.txt --rest  > log/nohup.out 2>&1  &

v5tech

server {
	listen 80 default; ## listen for ipv4; this line is default and implied
	listen [::]:80 default ipv6only=on; ## listen for ipv6

	# Make site accessible from http://localhost/
	server_name localhost;
	server_name_in_redirect off;

	charset utf-8;

v5tech

user www-data;

# As a thumb rule: One per CPU. If you are serving a large amount
# of static files, which requires blocking disk reads, you may want
# to increase this from the number of cpu_cores available on your
# system.
#
# The maximum number of connections for Nginx is calculated by:
# max_clients = worker_processes * worker_connections
worker_processes 1;

v5tech

在.bash_profile文件中添加以下内容

alias ll='ls -l --show-control-chars --color=tty'
alias ls='ls --show-control-chars --color=tty'

v5tech

This gist covers a simple Hive eval UDF in Java, that mimics NVL2 functionality in Oracle.
NVL2 is used to handle nulls and conditionally substitute values.
 
Included:
1.  Input data
2.  Expected results
3.  UDF code in java
4.  Hive query to demo the UDF
5.  Output

v5tech

This gist covers a simple Pig eval UDF in Java, that mimics NVL2 functionality in Oracle.

Included:
1.  Input data
2.  UDF code in java
3.  Pig script to demo the UDF
4.  Expected result
5.  Command to execute script
6.  Output