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<<Hive编程指南>>读书笔记

set hive.exec.model.local.auto=true;

若想默认使用这个配置,可以将这个命令添加到$HOME/.hiverc文件中

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

	#!/bin/bash

	# From http://tech.serbinn.net/2010/shell-script-to-create-ramdisk-on-mac-os-x/
	#

	ARGS=2
	E_BADARGS=99

	if [ $# -ne $ARGS ] # correct number of arguments to the script;
	then