numRows numRows In Pascal's triangle, each number is the sum of the two numbers directly above it. Example: Input: 5 Output: [ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4,1] ] class Solution { public: }; 文章来源: Pascal's Triangle
I want to perform some action when $.each is done. $.each(someArray, function(index, val) { //---------some async ajax action here per loop --------- $.ajax({...}).done(function(data){...}); }.promise().done(function(){...}); //<-------error here can't use with $.each Not every jQuery function has a promise() ? How do I know when $.each array is done? Can I change someArray to $someArray to use it? As you've figured out, $.each() doesn't have a .promise() so you can't do it the way you were trying to. Instead, you can use $.when() to track when a bunch of promises returned by a group of Ajax
create or replace trigger TIG_USER before update on "USER" for each row begin select sysdate into :new.update_date from dual; exception when others then end; 上面的代码是数据更新前给字段update_date添加为当前时间。 来源:博客园 作者: masha2017 链接:https://www.cnblogs.com/masha2017/p/11480856.html