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sql server Dateadd()函数
sql文档:https://docs.microsoft.com/zh-cn/sql/t-sql/functions/dateadd-transact-sql?view=sql-server-2017 语法:DATEADD (datepart , number , date ) 参数说明: 1.da ...
分类:数据库   时间:2019-07-12 18:25:53    阅读次数:275
What exactly is the parameter e (event) and why pass it to JavaScript functions?
What exactly is the parameter e (event) and why pass it to JavaScript functions? 问题 Well, when I learned JavaScript, all the books and Internet articl ...
分类:编程语言   时间:2019-07-11 14:29:39    阅读次数:131
Optimal Value Functions and Optimal Policy
Optimal Value Function is how much reward the best policy can get from a state s, which is the best senario given state s. It can be defined as: For e ...
分类:其他好文   时间:2019-07-10 10:37:44    阅读次数:69
Sigma_k Equation
\section{Elementary inequalities for $\sigma_k$ function (Lecture given by Xinan Ma)}The elementary symmetric functions appear naturally in the geomet ...
分类:其他好文   时间:2019-07-03 19:48:37    阅读次数:82
sass quick start
install tip:首先需要安装好 "chocolatey" preprocessing basic usage variables nesting Import mixins @extend operators functions 参考: "sass basics" "阮一峰:sass用法指南 ...
分类:其他好文   时间:2019-07-01 00:31:33    阅读次数:118
E - Third-Party Software - 2 Gym - 102215E (贪心)
Pavel is developing another game. To do that, he again needs functions available in a third-party library too famous to be called. There are mm functi ...
分类:其他好文   时间:2019-06-29 22:14:50    阅读次数:106
JavaScript export
export The export statement is used when creating JavaScript modules to export functions, objects, or primitive values from the module so they can be ...
分类:编程语言   时间:2019-06-27 01:08:29    阅读次数:187
zabbix拓扑图
Map labels(拓扑图标签)支持以下Macros(宏): Simple macros, as used in trigger expressions. Only the avg, last, max and min functions, with seconds as parameter ar ...
分类:其他好文   时间:2019-06-22 13:27:37    阅读次数:151
async异步流程控制神器
async https://www.npmjs.com/package/async Async is a utility module which provides straight-forward, powerful functions for working with asynchronous ...
分类:其他好文   时间:2019-06-17 01:00:58    阅读次数:96
hive之函数
第一节:内置函数 一、显示内置函数列表 show functions; 默认271个 二、查看函数的基本使用 desc function funname; desc function max; 三、查看函数的详细使用教程 desc function extended funname; desc fu ...
分类:其他好文   时间:2019-06-17 00:39:40    阅读次数:130
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