peaks; axis tight %Set the axis limits to equal the range of the data axis square axis 'auto x' %x轴坐标上下限自动调整 axis off %Plot a surface without displaying the axes lines and background. set(gca,'Visible','off'); %消除坐标轴,显示范围的大小没有改变,同上句 %更多特性
CREATE PROCEDURE 存储过程名称 is cursor c_tab is select * from user_tab_columns t r_tab user_tab_columns%rowtype; v_cell ); sql_str ); data_length number; begin open c_tab; loop fetch c_tab into r_tab; exit when c_tab%notfound; v_cell:=''; data_length:,);
设置cookie function cookie(key, value, options) { let days let time let result // A key and value were given. Set cookie. if (arguments.length > 1 && String(value) !== '[object Object]') { // Enforce object options = Object.assign({}, options) if
遇到 XXX情况 就 XXX 遇不到就 XXX 结束case when …… then …… else …… end 例如一个3条件取值的字段: case when 条件1 then 取值1 when 条件2 then 取值2 else 取值3 end when后接条件语句,then后为字段取值(数值或字符串等都可以,但类型须一致). CASE WHEN 及 SELECT CASE WHEN的用法: Case具有两种格式.简单Case函数和Case搜索函数. 1. 简单Case函数 CASE s
1.表单取值/赋值公共方法 //表单序列化:文本框的name字段和数据源一致<form id="myForm" onsubmit="return false;"> function getFormJsonData(formId) { var fields = $("#" + formId).serializeArray(); var f = {}; $.each(fields, function (index, field) { f[