TJI读书笔记15-持有对象 总览 类型安全和泛型 Collection接口 添加元素 List 迭代器 LinkedList 栈 Set Map Queue Collection和Iterator Foreach与迭代器 总结 总览 It’s a fairly simple program that only has a fixed quantity of objects with known lifetimes. 埃大爷开篇说了那么一句话. 通常情况下,程序总在运行时才知道根据某些条件创建新…
强化学习读书笔记 - 11 - off-policy的近似方法 学习笔记: Reinforcement Learning: An Introduction, Richard S. Sutton and Andrew G. Barto c 2014, 2015, 2016 参照 Reinforcement Learning: An Introduction, Richard S. Sutton and Andrew G. Barto c 2014, 2015, 2016 强化学习读书笔记 - 00…
Lab 11 System Rescue and Troubleshooting Goal: To build skills in system rescue procedures. Estimated Duration: 2 hours Lab Setup: When using rescue mode on a Xen enabled system, you may be prompted to select which root partition to mount. If you are…
闪回归档 1. 什么是闪回数据归档? 闪回归档是用来保存一个或多个表的历史数据的新数据库对象,以及该数据的存储保留和清除策略.归档只是保存数据库中一个或多个表的所有事务处理的变化的一个或多个表空间,数据库将缓冲区高速缓存中的所有原始数据作为撤销数据写入撤销表空间,一个称为Flashback Data Archiver Process(FBDA)的新后台进程把原始数据收集并写入一个闪回数据归档中,因而创建了一个所有表数据的历史,为了启用闪回归档必须创建一个带有flashback data arch…
Sequence 1: Configuring the bash Shell Deliverable: A system with new aliases that clear the screen, and produce a useful timesortedls listing. Instructions: 1. You have decided to create an alias so that when you type c, the system will run the clea…
强化学习读书笔记 - 13 - 策略梯度方法(Policy Gradient Methods) 学习笔记: Reinforcement Learning: An Introduction, Richard S. Sutton and Andrew G. Barto c 2014, 2015, 2016 参照 Reinforcement Learning: An Introduction, Richard S. Sutton and Andrew G. Barto c 2014, 2015, 20…
强化学习读书笔记 - 12 - 资格痕迹(Eligibility Traces) 学习笔记: Reinforcement Learning: An Introduction, Richard S. Sutton and Andrew G. Barto c 2014, 2015, 2016 参照 Reinforcement Learning: An Introduction, Richard S. Sutton and Andrew G. Barto c 2014, 2015, 2016 强化学习…