ISO8601时间格式
new Date('2016-10-17 10:00:00');在Safari下会被认为是Invalid Date。
需要按照标准的IOS8601格式，如：new Date('2016-10-17T10:00:00');
或严谨点儿带上时区的new Date('2016-10-17T10:00:00+08:00');
fyn
ES，TF/IDF排序算法
script score中除了doc/_score还可以通过_index获取一些查询中的参数，其中词频、文档数什么的就是通过_index.xxx获取
def termInfo = _index['name'].get('北京', _POSITIONS| _OFFSETS |_PAYLOADS|_CACHE );
def score = 0;
def tf = 0;
for (pos in termInfo) {
//词频，
mac gem安装失败
$ sudo gem install compass
ERROR: While executing gem ... (Errno::EPERM)
Operation not permitted - /usr/bin/compass
改为`sudo gem install -n /usr/local/bin compass`
$ sudo gem install -n /usr/local/bin
PHPStorm设置IDE的背景图
Command + Shift + A
输入Set Background Image
Javascript导出Excel
1. 引用ExcelBuilder
2. 创建workbook
var workbook = ExcelBuilder.createWorkbook();
3. 创建worksheet
var worksheet = workbook.createWorksheet({name: 'Sheet 1'});
workbook.addWorksheet(worksheet);
4. 加载数据
var data = [['Name','Gender','