jQuery版本低引起的漏洞——CVE-2020-11022/CVE-2020-11023
jquery vulnerabilities
jQuery3.5
jQuery.trim() 宣告棄用(Deprecated)替代方案: Javascript原生函式 String.prototype.trim()
範例說明:jQuery3.5之後let xString = " This is my string with spaces ";
let xTrimmed = xString.trim();
jQuery3.5之前的版本let xString = " This is my string with spaces ";
let xTrimmed = $.trim(xString);
Hong Rong Zhai changed 10 months agoView mode Like Bookmark
假設有一張資料表(pay_table)如下:pay_datetic_nomoneycnt2019-05-15T300104$46,440112019-05-15I300132$57312019-05-15I300129/T400265$107,196392019-05-17I300128$10,9292
若要依pay_date欄位做分組序號,可以用ROW_NUMBER() OVER(PARTITION BY 群組依據欄位 ORDER BY 排序依據欄位 DESC)來實現SELECT (ROW_NUMBER() OVER(PARTITION BY pay_date ORDER BY tic_no DESC)) group_sn, pay_date, tic_no, money, cnt
FROM pay_table
成果如下:group_snpay_datetic_nomoneycnt12019-05-15T300104$46,4401122019-05-15I300132$573132019-05-15I300129/T400265$107,1963912019-05-17I300128$10,9292
應用情境:資料分組後取前三筆資料 [參照]假設有以下資料表(表名為temp_table)商品品牌業績鞋NIKE1234000鞋愛迪達132200鞋雜牌223400鞋PUMA43532手機HTC32423手機IPHONE423手機三星23413手機NOKIA14344
解法select 商品,品牌,業績,排名 from (
select T100.*
,row_number() over (partition by 商品 order by 業績 desc ) 排名
from temp_table T100
JoHn Lee changed a year agoView mode Like 1 Bookmark
:::info
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Hong Rong Zhai changed 2 years agoView mode Like 1 Bookmark