We take our Promise.all() analogy further by using traversable on a Map(). Then we use two traversals in the same workflow. Traverse is good for maintaning the original data structure: const Task = require('data.task'); const { List, Map } = require(…

No. 配置对象 事务代码 路径 1 Enterprise Structure and General Controlling configration       Maintain EC-PCA : Controll Area Setting OKE5     Create Dummy PCA KE59     Activate PCA 1KEF     Maintain PCA plan version   IMG-〉CO-〉PCA -〉Planning -〉Basic Setting fo…

<MySQL数据操作与查询>综合项目需求 一.系统整体功能 维护学生信息.老师信息和成绩信息. 支持按多种条件组合查询学生信息和成绩信息. 二.系统的信息需求 一个班级有一个讲师一个班主任. 一个班级有多名学生. 一个学生有多门课程,一门课程也有多名学生. 三.表结构 学生表[student] 班级表[class] 课程表[course] 教师表[teacher] 成绩表[score]  (1)SQL语法实现表结构 -- ---------------------------- -- Tabl…

1.升级docker compose ,docker官方安装方法 $ sudo curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose 这个下载过程会比较慢 修改权限 $ sudo chmod +x /usr/local/bin/docker-compose 查看…

18 复制 18 复制 18.1 复制配置 18.1.1 基于Binary Log的数据库复制配置 18.1.2 配置基于Binary log的复制 18.1.2.1 设置复制master的配置 18.1.2.2 创建复制要用的用户 18.1.2.3 获取复制Binary Log坐标 18.1.2.4 选择同步数据快照的方法 18.1.2.5配置Slave 18.1.2.6 为复制环境增加一个slave 18.1.3 基于全局事务标示符的复制 18.1.3.1 GTID概述 18.1.3.2 使…

Mesh Data Structure in OpenCascade eryar@163.com 摘要Abstract:本文对网格数据结构作简要介绍,并结合使用OpenCascade中的数据结构,将网格数据在OpenSceneGraph中可视化. 关键字KeyWords:OpenCascade.OpenSceneGraph.Triangulation.Mesh Data Structure 一.引言 Introduction 三角网格就是全部由三角形组成的多边形网格.多边形和三角网格在图形学和建…

18.8 Given a string s and an array of smaller strings T, design a method to search s for each small string in T. 这道题给我们一个字符串s,和一个字符串数组T,让我们找T中的每一个小字符串在s中出现的位置,这道题很适合用后缀树Suffix Tree来做,LeetCode中有几道关于前缀树(Prefix Tree, Trie)的题,Implement Trie (Prefix Tree)…

In this chapter I present classes to represent playing cards, decks of cards, and poker hands.If you don't play poker, you can read about it at http://en.wikipedia.org/wiki/Poker, but you don’t have to; I’ll tell you what you need to know for the exe…

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1.hierarchical storage structure      This notion of inserting a smaller, faster storage device (e.g., cache memory) between the processor and a larger slower device (e.g., main memory) turns out to be a general idea. In fact, the storage devices in…