JS数字千分: 1.例子:1000--->1,000 2.实现如下: salesToFormat: function (num) { var num = (num || 0).toString(), result = ''; while (num.length > 3) {//拿掉num的最后三位给result result = ',' + num.slice(-3) + result; num = num.slice(0, num.length - 3); } if (num) { resu
使用pip安装python插件的时候出现Microsoft Visual C++ 9.0缺失错误 使用pip安装python插件的时候出现Microsoft Visual C++ 9.0缺失错误 : Running setup.py install for gevent building 'gevent.corecext' extension error: Microsoft Visual C++ 9.0 is required (Unable to find vcvarsall.b
pig支持的类型转换(cast) Pig Latin supports casts as shown in this table. from / to bag tuple map int long float double chararray bytearray boolean bag error error error error error error error error error tuple error error error error error error error erro