DialogOnSoftwareProjectManagement.rst: include lecture notes on 2 March 2020 (morning sections).

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@@ -4,7 +4,7 @@ Dialog On Software Project Management
 
 :Authors: Hui Lan (lanhui at zjnu.edu.cn)
 
-:Version: 0.0.5 of 2020-03-20
+:Version: 0.0.6 of 2020-03-21
 
 
 .. contents:: Table of content
@@ -18,6 +18,472 @@ This book contains a series of special lecture notes in a dialog form on softwar
 Monday, 2 March 2020
 ====================
 
+Morning section
+---------------
+
+*Free and open source - FOSS - Four Freedoms - Closed-source - Proprietary licenses - Reluctance to welcome free software - Linux - Continuous improvement - User to developer ratio - Overhead in the beginning - Metcalfe's Law - 30 years of development*
+
+2020-03-02 10:35:08 蓝老师(1348141770) ===================================================
+
+2020-03-02 10:35:12 蓝老师(1348141770) Morning guys.
+
+2020-03-02 10:35:32 201732120134_Michelle(3304952232) morning 老师
+
+2020-03-02 10:35:39 张滨(2350711965) Morning
+
+2020-03-02 10:35:40 Saeed : 201732120146(446571011) goood morning
+
+2020-03-02 10:35:41 杰西卡(2422938906)  早上好
+
+2020-03-02 10:35:44 蓝老师(1348141770) Could you type your student number?
+
+2020-03-02 10:35:52 张滨(2350711965) 201732120127
+
+2020-03-02 10:35:56 Saeed : 201732120146(446571011) 201732120146
+
+2020-03-02 10:35:56 201732120134_Michelle(3304952232) 201732120134
+
+2020-03-02 10:35:57 201732120135 玛莎(3534763826) 201732120135
+
+2020-03-02 10:36:03 杰西卡(2422938906) 201732120133
+
+2020-03-02 10:36:06 软英171郑洪宇(1633787262) 201732120128
+
+2020-03-02 10:36:10 201632120150-Ashly(1661411131) 201632120150
+
+2020-03-02 10:36:11 Tarmom 201732120166(2104297320) 201732120166
+
+2020-03-02 10:36:23 ALBOROM WARD-201732120143家长(3279308836) 201732120143
+
+2020-03-02 10:36:32 LUL GUOBA RUOT (2217724540) 201632120161
+
+2020-03-02 10:36:33 软英171陈伟超(937202326) 201732120113
+
+2020-03-02 10:36:37 李佳兴(421281726) 201732120118
+
+2020-03-02 10:36:43 ibrahim(1525200991) 201732120159
+
+2020-03-02 10:36:51 郑晓钰(280768265) 201732120110
+
+2020-03-02 10:36:54 叶涵涛(2289316051) 201732120125
+
+2020-03-02 10:37:36 蓝老师(1348141770) Let's wait 3 minutes for more people to join in.
+
+2020-03-02 10:38:14 201732120168_Golden(2984538488) 201732120168
+
+2020-03-02 10:38:18 蓝老师(1348141770) I plan to deliver a pop-up quiz next time, for quiz 3, during the lecture.
+
+2020-03-02 10:38:50 201732120141--AHAMED SABUJ妈妈(2686217157) 201732120141
+
+2020-03-02 10:39:36 1n(2835813510) 201732120102
+
+2020-03-02 10:39:41 201732120151 Barkay sanoussi(3178573723) 201732120151
+
+2020-03-02 10:40:21 蓝老师(1348141770) OK
+
+2020-03-02 10:40:24 ibrahim(1525200991) By next time you mean today or next class ?
+
+2020-03-02 10:40:38 201732120157 hossain arif<charif19282@qq.com> 201732120157
+
+2020-03-02 10:40:42 蓝老师(1348141770) Yes.  Next Monday, lecture time.
+
+2020-03-02 10:40:47 软英171戴泽荣(975336710) 201732120115
+
+2020-03-02 10:40:49 ibrahim(1525200991) OK
+
+2020-03-02 10:41:28 蓝老师(1348141770) That is my trick to keep you online and stay attentive.
+
+2020-03-02 10:42:13 蓝老师(1348141770) [图片]
+
+2020-03-02 10:42:43 软英171周仙龙(1748153603) 201732120130
+
+2020-03-02 10:42:45 蓝老师(1348141770) What does free and open source software, sometimes called FOSS, mean?
+
+2020-03-02 10:43:15 蓝老师(1348141770) The two terms "free" and "open source" are nowadays interchangeable.
+
+2020-03-02 10:43:29 蓝老师(1348141770) The notion "free" comes before "open source".
+
+2020-03-02 10:44:14 蓝老师(1348141770) If something is free and open source, it means you can reap other people's fruit.
+
+2020-03-02 10:44:25 蓝老师(1348141770) Usually.
+
+2020-03-02 10:44:36 蓝老师(1348141770) Free of charge.
+
+2020-03-02 10:45:40 蓝老师(1348141770) Any one knows any FOSS application that requires you to pay?
+
+2020-03-02 10:45:50 蓝老师(1348141770) I don't know any.
+
+2020-03-02 10:46:20 蓝老师(1348141770) Free and open source are mostly about licenses.  A bit history on software licenses.
+
+2020-03-02 10:46:59 蓝老师(1348141770) In the beginning (60's and 70's), software were usually free.
+
+2020-03-02 10:47:24 蓝老师(1348141770) The users were mostly professionals from research labs and universities.
+
+2020-03-02 10:47:46 蓝老师(1348141770) BTW, at that time, very people could afford a mainframe.
+
+2020-03-02 10:48:00 蓝老师(1348141770) Personal computers are a much later story.
+
+2020-03-02 10:48:45 蓝老师(1348141770) Although these software might not be explicitly labeled as free, in practice they allowed a large degree of freedom in running, study, sharing and modification.
+
+2020-03-02 10:49:28 蓝老师(1348141770) After that, hardware vendors and software vendors began to separate.
+
+2020-03-02 10:49:53 蓝老师(1348141770) Software vendors started to charge people by using their software,
+
+2020-03-02 10:50:15 蓝老师(1348141770) which is perfectly OK because they had spent money on developing them.
+
+2020-03-02 10:51:09 蓝老师(1348141770) Big companies like IBM, Microsoft, Hewlett-Packard (HP), Apple and MATLAB began to make commercial software.
+
+2020-03-02 10:51:27 蓝老师(1348141770) Commercial software are mostly proprietary.
+
+2020-03-02 10:52:15 蓝老师(1348141770) These software are usually shipped with rather strict licenses.
+
+2020-03-02 10:52:43 陈真赐(1312502742) 201732120114
+
+2020-03-02 10:52:43 软英171 郑可富(1924773187) 201732120129
+
+2020-03-02 10:53:05 蓝老师(1348141770) Users need to comply with the proprietary licenses before they can lawfully use these software.
+
+2020-03-02 10:54:04 Samantha 201632120140(2459455104) 201632120140
+   
+2020-03-02 10:54:17 蓝老师(1348141770) These licenses do not allow people to read the source code or modify the source code.
+
+2020-03-02 10:54:51 蓝老师(1348141770) (Thanks for your information, Sabuj.  That is true.)
+
+2020-03-02 10:55:26 蓝老师(1348141770) To counter this, Richard Stallman started the Free Software Movement.
+
+2020-03-02 10:55:51 蓝老师(1348141770) Of course, this movement was not endorsed by most proprietary software companies.
+
+2020-03-02 10:56:22 蓝老师(1348141770) Richard Stallman emphasizes on Four essential freedoms.
+
+2020-03-02 10:57:06 蓝老师(1348141770) Perhaps he was trying to re-establish his gold old days at MIT.
+
+2020-03-02 10:57:42 蓝老师(1348141770) Four Essential Freedoms - run, study, modify and redistribute.
+
+2020-03-02 10:58:01 蓝老师(1348141770) Commercial companies definitely don't want to do that.
+
+2020-03-02 10:58:20 蓝老师(1348141770) One Big reason is that if they do, they give their competitors advantages.
+
+2020-03-02 10:59:09 蓝老师(1348141770) Their competitors could steal their code and make it better to have an advantage.
+
+2020-03-02 11:00:16 蓝老师(1348141770) If I run a commercial company, I won't ask my employees use GPL licenses.
+
+2020-03-02 11:00:38 蓝老师(1348141770) I would like to keep my code in a safe place.
+
+2020-03-02 11:01:23 蓝老师(1348141770) Perhaps my customers (e.g., banks) don't want to use GPL either, because they have sensitive data and implementation that they would rather keep confidential.
+
+2020-03-02 11:01:34 蓝老师(1348141770) Let's take a 5-minute break.
+
+2020-03-02 11:01:51 软英171 吕伊豪(745291576) 201732120120
+
+2020-03-02 11:02:33 软英171包振丰(984456043) 201732120111
+
+2020-03-02 11:05:22 蓝老师(1348141770) ===================================================
+
+2020-03-02 11:05:26 蓝老师(1348141770) Move on.
+
+2020-03-02 11:06:45 蓝老师(1348141770) If I ask you, proprietary software are always closed-source software, is that true?
+
+2020-03-02 11:07:09 蓝老师(1348141770) Anyone?
+
+2020-03-02 11:07:22 nainezz(2407048879) 201732120173
+
+2020-03-02 11:07:25 软英171郑洪宇(1633787262) yes
+
+2020-03-02 11:07:32 ALBOROM WARD-201732120143家长(3279308836) yes
+
+2020-03-02 11:07:33 系统消息(10000) 201732120135 玛莎撤回了一条消息
+
+2020-03-02 11:07:34 Saeed : 201732120146(446571011) yes
+
+2020-03-02 11:07:41 软英171周仙龙(1748153603) yes
+
+2020-03-02 11:07:41 蓝老师(1348141770) False.
+
+2020-03-02 11:07:46 蓝老师(1348141770) I think it is false.
+
+2020-03-02 11:08:09 蓝老师(1348141770) You can read proprietary software's source code.  No problem.
+
+2020-03-02 11:09:20 蓝老师(1348141770) But since the license is proprietary, then if you try to sell your product that includes that piece of code, you infringe on the company's copyright.
+
+2020-03-02 11:09:27 软英171周仙龙(1748153603) but how to read its source code？
+
+2020-03-02 11:10:45 蓝老师(1348141770) I could show my code to you but the code comes with a proprietary license.
+
+2020-03-02 11:11:26 蓝老师(1348141770) The license says something like "Oh, you could read my code but you could not sell my code in your product."
+
+2020-03-02 11:12:12 蓝老师(1348141770) Done.  In terms of Four Freedoms, I don't give you the freedom to redistribute it.
+
+2020-03-02 11:12:25 蓝老师(1348141770) You can study it, no problem.
+
+2020-03-02 11:13:21 蓝老师(1348141770) [图片]
+
+2020-03-02 11:13:50 蓝老师(1348141770) In a school setting, I agree with Richard Stallman.
+
+2020-03-02 11:14:12 蓝老师(1348141770) We should encourage students and professors to use FOSS.
+
+2020-03-02 11:14:16 蓝老师(1348141770) Why?
+
+2020-03-02 11:14:33 蓝老师(1348141770) School is a place for learning, and FOSS is perfect for that purpose.
+
+2020-03-02 11:15:15 蓝老师(1348141770) School is also a place for moral formation, where we teach people the value of sharing and contributing.
+
+2020-03-02 11:15:46 蓝老师(1348141770) You could read the article `Why Schools Should Exclusively Use Free Software`_.
+
+.. _Why Schools Should Exclusively Use Free Software: https://www.gnu.org/education/edu-schools.en.html
+
+2020-03-02 11:15:54 蓝老师(1348141770) I agree with every point the author made.
+
+2020-03-02 11:17:39 蓝老师(1348141770) Industry people and commercial companies seem to like the term "open source" more than "free".
+
+2020-03-02 11:18:03 蓝老师(1348141770) "Free" emphasizes an social ideology,
+
+2020-03-02 11:18:15 蓝老师(1348141770) while "open source" is more practical.
+
+2020-03-02 11:18:49 蓝老师(1348141770) Anyway, most free software are open source and most open source software are free.  There is a big overlap.
+
+2020-03-02 11:19:14 蓝老师(1348141770) The difference is on the emphasis.
+
+2020-03-02 11:19:41 蓝老师(1348141770) One on Value, the other on Utility.
+
+2020-03-02 11:20:09 蓝老师(1348141770) [图片]
+
+2020-03-02 11:20:42 蓝老师(1348141770) If you open source your project, don't expect too much in the short term.
+
+2020-03-02 11:21:14 蓝老师(1348141770) Usually it means you should be a more disciplined developer,
+
+2020-03-02 11:21:37 蓝老师(1348141770) because you show your "face" to the public.
+
+2020-03-02 11:22:46 蓝老师(1348141770) "Wash your face", although takes some work, is still a good idea in general.
+
+2020-03-02 11:23:04 蓝老师(1348141770) Let's take a 3-minute break.
+
+2020-03-02 11:23:26 Saeed : 201732120146(446571011) ok
+
+2020-03-02 11:24:24 ALBOROM WARD-201732120143家长(3279308836) Ok
+
+2020-03-02 11:26:21 蓝老师(1348141770) ======================================================
+
+2020-03-02 11:26:23 蓝老师(1348141770) [Announcement] Several things are due tonight.  Quiz 2.  Group information.  Don't miss that.
+
+2020-03-02 11:26:57 201732120151 Barkay sanoussi(3178573723) @蓝老师 @蓝老师 hi teacher  each member should send a text file individually for the group  list or only the group  leader send, is enough
+
+2020-03-02 11:27:18 蓝老师(1348141770) Just Group Leader.
+
+2020-03-02 11:27:30 201732120151 Barkay sanoussi(3178573723) ok
+
+2020-03-02 11:27:45 软英171高增(1520653544) my number：201732120117sorry，i forget login
+
+2020-03-02 11:28:27 蓝老师(1348141770) Send me an email about that.
+
+2020-03-02 11:28:51 蓝老师(1348141770) Pure overhead at the beginning if I wish to set up an open source project.
+
+2020-03-02 11:29:11 蓝老师(1348141770) Fortunately, this overhead is not a waste of time.
+
+2020-03-02 11:29:40 蓝老师(1348141770) Just like Test-driven Development requiring us to write test before implementation.
+
+2020-03-02 11:29:54 蓝老师(1348141770) Test cases are useful anyway.
+
+2020-03-02 11:31:15 蓝老师(1348141770) Things like project home page, discussion forum, bug tracker, version control system, documentation and automation tools are immensely useful for the project's health.
+
+2020-03-02 11:31:59 蓝老师(1348141770) When I open up a project, I want to achieve two goals.
+
+2020-03-02 11:32:04 蓝老师(1348141770) 1. Acquire users.  2. Acquire developers.
+
+2020-03-02 11:32:24 蓝老师(1348141770) The more users, the better.
+
+2020-03-02 11:32:42 蓝老师(1348141770) The number of users is proportional to the amount of influence.
+
+2020-03-02 11:33:00 蓝老师(1348141770) QQ has tons of users.
+
+2020-03-02 11:33:29 蓝老师(1348141770) Then a new social media user is forced to use QQ even if he has other options like IRC.
+
+2020-03-02 11:34:02 蓝老师(1348141770) Here comes Metcalfe's Law.
+
+2020-03-02 11:34:16 蓝老师(1348141770) Who is this guy?
+
+2020-03-02 11:34:42 蓝老师(1348141770) If a guy's name is associated with a Law, usually he is a tremendously successful guy.
+
+2020-03-02 11:34:52 蓝老师(1348141770) Don't you think so?
+
+2020-03-02 11:35:35 蓝老师(1348141770) One association is good enough in a person's lifetime.
+
+2020-03-02 11:35:47 蓝老师(1348141770) What does this law say?
+
+2020-03-02 11:35:58 蓝老师(1348141770) The value of a network grows by the square of the size of the network.
+
+2020-03-02 11:36:06 蓝老师(1348141770) That is exactly the case for QQ.
+
+2020-03-02 11:36:54 蓝老师(1348141770) The second goal is to acquire developers.
+
+2020-03-02 11:37:15 蓝老师(1348141770) Probably the main reason is that I don't have enough hands.
+
+2020-03-02 11:37:42 蓝老师(1348141770) And I hope other people could help in the project.
+
+2020-03-02 11:37:46 蓝老师(1348141770) Why should they help?
+
+2020-03-02 11:38:00 蓝老师(1348141770) Sometimes for money.
+
+2020-03-02 11:38:31 蓝老师(1348141770) If money is not immediately available, then for respect/reputation/fame.
+
+2020-03-02 11:39:06 蓝老师(1348141770) In the early age of Linux, most developers are voluntary.
+
+2020-03-02 11:39:48 蓝老师(1348141770) Of course, most of them are established developers with good income from their proprietary employers (companies or universities).
+
+2020-03-02 11:40:43 蓝老师(1348141770) BTW, there is a documentary for Linux, *The Code*, which you could watch after class.
+
+2020-03-02 11:40:45 蓝老师(1348141770) https://www.bilibili.com/video/av4242055/?spm_id_from=333.788.videocard.1
+
+2020-03-02 11:41:37 蓝老师(1348141770) This documentary tells us how the Linux Project was managed.  It is a miracle.
+
+2020-03-02 11:42:20 蓝老师(1348141770) Loosely connected guys work together and make something that works.
+
+2020-03-02 11:43:33 蓝老师(1348141770) Linux started out in 1991 from something really small, LOC less than 1000?
+
+2020-03-02 11:43:51 蓝老师(1348141770) Now? At least 1m LOC in the kernel.
+
+2020-03-02 11:44:34 蓝老师(1348141770) [图片]
+
+2020-03-02 11:45:52 蓝老师(1348141770) You could browse the code tree.
+
+2020-03-02 11:45:59 蓝老师(1348141770) Let's take a 5-minute break.
+
+2020-03-02 11:50:57 蓝老师(1348141770) =============================================
+
+2020-03-02 11:51:10 蓝老师(1348141770) Linux is a crucial piece of FOSS.
+
+2020-03-02 11:51:43 蓝老师(1348141770) Look at this, its original author Linus Torvalds is still contributing it.
+
+2020-03-02 11:52:00 蓝老师(1348141770) Man, almost 30 years after its initial release.
+
+2020-03-02 11:52:13 蓝老师(1348141770) Think about their efforts on continuous improvement.
+
+2020-03-02 11:52:44 蓝老师(1348141770) These guys never throw away their code, never.
+
+2020-03-02 11:53:01 蓝老师(1348141770) [图片]
+
+2020-03-02 11:53:45 蓝老师(1348141770) User to developer ratio.  Bigger is better.
+
+2020-03-02 11:54:14 蓝老师(1348141770) 1m users, 10 developers.  User developer ratio is 10,000.
+
+2020-03-02 11:54:20 蓝老师(1348141770) Oh, sorry, 100,000.
+
+2020-03-02 11:54:59 蓝老师(1348141770) 100 users, 1 developer. User to developer ratio is 100, one thousand times smaller.
+
+2020-03-02 11:55:04 蓝老师(1348141770) 100 is the case for LRR.
+
+2020-03-02 11:55:33 蓝老师(1348141770) [图片]
+
+2020-03-02 11:56:14 蓝老师(1348141770) (We are moving very slowly.)
+
+2020-03-02 11:56:22 蓝老师(1348141770) (Perhaps I may try sound.)
+
+2020-03-02 11:56:34 蓝老师(1348141770) (But I doubt the effectiveness.)
+
+2020-03-02 11:57:20 蓝老师(1348141770) It is hard to persuade average people on the long-term benefit of something.
+
+2020-03-02 11:57:47 蓝老师(1348141770) Average people see things less than one week in the future.
+
+2020-03-02 11:58:00 蓝老师(1348141770) That is actually good.
+
+2020-03-02 11:58:13 蓝老师(1348141770) So people do not have worry too much.
+
+2020-03-02 11:58:43 蓝老师(1348141770) That is everything for today.
+
+2020-03-02 11:58:55 ibrahim(1525200991) OK
+
+2020-03-02 11:59:01 蓝老师(1348141770) Now you need to start reading Chapter 2.
+
+2020-03-02 11:59:02 蓝老师(1348141770) https://producingoss.com/en/getting-started.html
+
+2020-03-02 11:59:30 蓝老师(1348141770) The pop-quiz will be from it.
+
+2020-03-02 11:59:33 蓝老师(1348141770) 2 marks.
+
+2020-03-02 11:59:41 蓝老师(1348141770) Next Monday.
+
+2020-03-02 11:59:47 蓝老师(1348141770) ======================================================
+
+2020-03-02 12:00:00 蓝老师(1348141770) Could you write your student number below?  Thanks. Bye.
+
+2020-03-02 12:00:10 201732120135 玛莎(3534763826) 201732120135
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+2020-03-02 12:00:11 ibrahim(1525200991) 201732120159
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+2020-03-02 12:00:13 软英171 吕伊豪(745291576) 201732120120
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+2020-03-02 12:00:13 201732120168_Golden(2984538488) 201732120168
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+2020-03-02 12:00:16 201732120141--AHAMED SABUJ妈妈(2686217157) 201732120141
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+2020-03-02 12:00:24 郑晓钰(280768265) 201732120110
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+2020-03-02 12:00:25 软英171郑洪宇(1633787262) 201732120128
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+2020-03-02 12:00:31 201732120134_Michelle(3304952232) 201732120134
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+2020-03-02 12:00:32 nainezz(2407048879) 201732120173
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+2020-03-02 12:00:32 201732120151 Barkay sanoussi(3178573723) 201732120151
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+2020-03-02 12:00:34 201632120150-Ashly(1661411131) 201632120150
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+2020-03-02 12:00:35 Saeed : 201732120146(446571011) 201732120146
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+2020-03-02 12:00:40 应宇腾(1356633192) 201732120126
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+2020-03-02 12:00:43 软英171 陆博业(2794513466) 201732120119
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+2020-03-02 12:00:48 201732120157 hossain arif<charif19282@qq.com> 201732120157
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+2020-03-02 12:01:06 LUL GUOBA RUOT (2217724540) 201632120161
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+2020-03-02 12:01:11 陈真赐(1312502742) 201732120114
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+2020-03-02 12:01:15 ALBOROM WARD-201732120143家长(3279308836) 201732120143
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+2020-03-02 12:01:18 Samantha 201632120140(2459455104) 201632120140
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+2020-03-02 12:01:20 系统消息(10000) hamunyela加入本群。
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+2020-03-02 12:01:28 叶涵涛(2289316051) 201732120125
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+2020-03-02 12:01:35 Tarmom 201732120166(2104297320) 201732120166
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+2020-03-02 12:03:02 Npl.(593635848) 201732120121
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+2020-03-02 12:03:12 软英171周仙龙(1748153603) 201732120130
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+2020-03-02 12:03:48 Dean Majaya(3623840484) 201732120164
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+2020-03-02 12:04:16 软英171陈伟超(937202326) 201732120113
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+2020-03-02 12:05:35 杰西卡201732120133(2422938906) 201732120133
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+2020-03-02 12:07:32 李佳兴(421281726) 201732120118
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+2020-03-02 12:07:53 软英171高增(1520653544) 201732120117
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+2020-03-02 12:10:12 软英171 郑可富(1924773187) 201732120129
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+2020-03-02 12:10:37 201732120127 张滨(2350711965) 201732120127
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+2020-03-02 12:16:36 软英171戴泽荣(975336710) 201732120115
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+2020-03-02 12:21:48 Abadura Yahya 201732120136(1714796258) 201732120136
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+软英171陈金龙(864945570)  12:26:22 201732120112
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+hamunyela(3325982083)  12:27:47 201632120157
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+201732120167 Clive妈妈(3321692247)  13:09:37 201732120167
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+谢佳聪(1249923715) 2020/3/2 13:56:53 201732120123
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+软英171包振丰(984456043) 2020/3/2 13:57:30 201732120111
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+armand(2431154023) 2020/3/2 14:04:00 201732120161
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+
 
 Afternoon section
 -----------------
@@ -978,17 +1444,17 @@ Morning section
 
 2020-03-09 10:39:25 软英171 陆博业(2794513466)  201732120119
 
-2020-03-09 10:40:06 SPM软件项目管理-蓝老师(1348141770)  [Announcement] We will have a pop-up quiz, near the end of today's lecture.
+2020-03-09 10:40:06 蓝老师(1348141770)  [Announcement] We will have a pop-up quiz, near the end of today's lecture.
 
 2020-03-09 10:40:15 Tarmom 201732120166(2104297320)  201732120166
 
 2020-03-09 10:40:35 1n(2835813510)  201732120102
 
-2020-03-09 10:40:36 SPM软件项目管理-蓝老师(1348141770)  Make sure you can login LRR.
+2020-03-09 10:40:36 蓝老师(1348141770)  Make sure you can login LRR.
 
 2020-03-09 10:40:54 Saeed : 201732120146(446571011)  yes
 
-2020-03-09 10:40:58 SPM软件项目管理-蓝老师(1348141770)  There is a recent story about LRR.
+2020-03-09 10:40:58 蓝老师(1348141770)  There is a recent story about LRR.
 
 2020-03-09 10:40:58 软英171戴泽荣(975336710)  201732120115
 
@@ -3063,7 +3529,7 @@ Morning section
 2020-03-20 8:06:09 初阳软工171 余慧(945168786) 
 @全体成员  
 
-(蓝珲在腾讯会议上讲话，回答叶红霞的问题)
+(蓝珲在腾讯会议上讲话，回答叶红霞的问题：这门课会讲具体怎么操作管理项目吗，还是主要讲理论？)
 
 2020-03-20 8:09:03 蓝珲(1348141770) Barry W. Boehm