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## removefolder.sh
rm --recursive <foldername> -f

## mongodb_tropdb.sh
bin/mongo
use test;
db.dropDatabase();
db.mytable.drop();

## nodejs_request_gbk.sh
var request = require('request');
var Iconv = require('iconv').Iconv;
var iconv = new Iconv('GBK', 'UTF-8//TRANSLIT//IGNORE');

request.get('http://foo.bar', {encoding:null}, function(e, r, body)
{
    console.log(iconv.convert(body).toString());
});

## memory_clean.sh
sudo sh -c "sync; echo 3 > /proc/sys/vm/drop_caches"

## gist:10508760

(1234622225).toLocaleString("zh-Hans-CN-u-nu-hanidec")//firefox下输出 "1,234,622,225" IE与chrome下输出 "一,二三四,六二二,二二五"
	var request = require('request');
	var Iconv = require('iconv').Iconv;
	var iconv = new Iconv('GBK', 'UTF-8//TRANSLIT//IGNORE');

	request.get('http://foo.bar', {encoding:null}, function(e, r, body)
	{
	console.log(iconv.convert(body).toString());
	});

	(1234622225).toLocaleString("zh-Hans-CN-u-nu-hanidec")//firefox下输出 "1,234,622,225" IE与chrome下输出 "一,二三四,六二二,二二五"