Compare two version numbers version1 and version2.If version1 > version2 return 1, if version1 < version2 return -1, otherwise return 0. You may assume that the version strings are non-empty and contain only digits and the . character.The . characte
换行的字符串 "This string\nhas two lines" 字符串中使用单引号时应该怎么写 'You\'re right, it can\'t be a quote' 把数字变成字符串并保留两位小数 var n = 123456.789 n.toFixed(0); //"123457" n.toFixed(2); //"123456.79" parseFloat(str)str以非数字开头,则返回NaN parseFloat(str)
#!/bin/bash #This is a test of the addition of the program! function AddFun { read -p "Enter a number:" num1 read -p "Enter another number:" num2 echo $[ $num1 + $num2 ] } result=`AddFun` echo "The Result is :$result" 上面这段代码主
/* * @descript: 保留两位小数,如果小数点大于两位小数,就向上取值保留两位小数<br/> * @time 2016-07-13 */function mathCeil(number){ var result = Number(number); text = result.toString(); var pointIndex = text.indexOf("."); if(pointIndex != -1){ var poi
SQL Server示例: update a set a.gqdltks=b.gqdltks,a.bztks=b.bztks from landleveldata a,gdqlpj b where a.GEO_Code=b.lxqdm Oracle语法: UPDATE updatedtable SET (col_name1[,col_name2...])= (SELECT col_name1,[,col_name2...] FROM srctable [WHERE where_definitio
换了工作又开始写SQL了. update dic_rate_package set post_next_day=t.post_next_day from dic_package t inner join dic_rate_package e on t.code=code and t.hotel_code=e.hotel_code 语句格式如上.
with a as( select nsr.zgswj_dm, count(distinct nsr.djxh) cnt, 1 z from hx_fp.fp_ly fp, hx_dj.dj_nsrxx nsr where nsr.djxh = fp.djxh and nsr.nsrzt_dm = '03' and fp.lrrq >= date '2018-03-01' and fp.lrrq <= date '2018-04-01' AND nsr.ZGSWSKFJ_DM LIKE '13
3.1 将元组(1,2,3) 和集合{"four",5,6}合成一个列表 tuple,set,list = (1,2,3),{"four",5,6},[] for i in tuple: list.append(i) for j in set: list.append(j) print(list) 3.2 将列表[3,7,0,5,1,8]中大于5元素置为0,小于5的元素置为1 list2 = [3,7,0,5,1,8] print(list2) for i in r