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Chapter 15 of Modern Software Engineering [Stability and release Phase] exercise and discussion

2025-02-22 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >

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Shulou(Shulou.com)06/03 Report--

15.3.0 case study

You can look at the examples of these two student programs and infer the blood types of these teams:

The jump ticket of the STG game was postponed for 7 days in order to perfect, but it was not released after 7 days. ) [leal1] [I]

English learning software (said "released in the morning", but has not arrived in the morning) [ii]

15.3.1 when the reactionary A Chao was in the final stable stage, A Chao kept pushing things to the next version, and Erzhu and Jelly became impatient-why not fight and get everything done in the first edition?

A Chao: there are two ways--

1. According to the priorities, arrange most of the things to be done in the next version. It is precisely because we have confidence in the project, the team, and the business model that we arrange a lot of things in future versions.

two。 Spell it out, get everything done, and everyone is very tired, [leal2] then everyone is gone, and no one is interested in making the next version.

Erzhu: I remember that when our commune organized the construction of water conservancy, everyone risked their lives, and several of their predecessors sacrificed to repair the reservoir. Aren't these valuable?

Jelly: yes! I remember that some slogans were carved with boulders on the hillside, and two of their predecessors died when they blew up the boulders.

A Chao: yes, now it seems that the slogans engraved on the mountain belong to the function of "cut". At least we can postpone it to the next version. Today, we all realize that engraving a huge "man triumphs over nature" slogan is not a particularly important "function", right? Wouldn't it be better? At that time, our uncles and uncles really did not have to "die" to complete all the tasks.

Erzhu: in the past, you were a reactionary.

A Chao: we write business software to make money to support our family. if we are exhausted and depressed, what do we use the money to support? If you still want to carve words, I suggest carving the words "people-oriented" on the hillside.

15.3.2 the Battle of Silver bullet

Silver Bullet: in order to prevent the project members from arguing over some issues, the company invented the silver bullet (silver bullet). In short, the representative of each character (Dev/Test/PM) can use a limited number of "stop arguing and do as I say" weapon-silver bullet during the project. As soon as the silver bullet comes out, everyone must be obedient. Of course, the silver bullet uses one less, and the next time there is an argument, others will have a better chance to use this means.

Discussion-does the silver bullet really work?

15.3.3 Bian Que three brothers [leal4] Jelly: I have heard the story of radish and cabbage. In fact, similar things have existed in ancient times. Please take a look at an ancient article about "three brothers Bian Que":

Wang du didn't hear the question from King Wen of Wei and asked Bian Que. Mencius said, 'which of the three Zikun brothers is the best doctor?' Bian Que said: 'the eldest brother is the best, the middle brother is the second, and Bian Que is the lowest.' Wei Wenhou said, 'can you smell evil?' Bian Que said: 'the eldest brother treats God with illness and removes it without being visible, so his name does not come from the family. The middle brother treats the disease in Maomao, so the name does not come from Lu. If the flat magpie, blood, poison, sub-skin, leisure and famous in the princes. ("Xia Shixian Xia Xian Xia Guanzi Xia Xian 16") [leal5]

Bian Que said: "my eldest brother's treatment is to see the patient's look, and he cured the disease before it appeared, so his reputation does not leave the family." My second brother treats patients when they are not feeling well, so his reputation is not out of the alley. And I, Bian Que, use needles that dredge the blood, soup with toxic side effects, and herbs embedded in the skin. So my reputation spread all over the vassal states. "

Erzhu: this is the same as the flood control of the Wangwu River. if we do a good job in the upstream, no one knows if there is no flood. If the dike is about to break in the lower reaches, a bunch of people will go up and block it, and a few people will be killed and injured. We are best at end-to-end management.

In software development, if the problem is found and solved in the early stage of the project, no one knows except the "family". If the problem is found and solved in the middle of the project, many of the people involved in the project "company" know. When something went wrong at the end of the project, we had to work overtime, rewrite the code, hack's original design, open some back doors to solve the problem (some fierce drugs with great side effects), and finally saved the project, which was known to the whole company.

A Chao: I remember learning the story of "qu Tu transfer salary" in the sixth grade of primary school, and told a similar truth. We often reward the heroes of end-to-end governance, but those who make suggestions in the first place may not be rewarded. Will it be the same with mountain shifting companies?

15.3.4 analyze some famous failed projects-for example, the computer-controlled baggage system at Denver Airport.

If your team were to Postmortem this project, how would you summarize it?

Http://calleam.com/WTPF/?page_id=2086

Http://www.nytimes.com/2005/08/27/national/27denver.html

Denver Airport to mangle last bag

The baggage system at Denver: prospects and lessons

MSNBC on Denver's Automated Baggage System

Http://www.computerworld.com/article/2556725/it-project-management/united-axes-troubled-baggage-system-at-denver-airport.html

[I] http://www.cnblogs.com/buaashine/archive/2012/12/17/2821563.html#2590003

[ii] http://www.cnblogs.com/SuperBrothers/archive/2012/12/18/2822585.html

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