Software Development Cross Solution - Index of - Free

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avoiding unnecessary branches When NOT to branch... Did you say that Bob should branch his code to support the two different features? Modern version control tools do make branching cheap from a technical perspective. The problem is there’s a lot of hidden cost from the people perspective. Each branch is a separate code base that needs to be maintained, tested, documented, etc. For example, remember that critical security fix we made to Version 1.0 of BeatBox? Did that fix get applied to the trunk so that it stays fixed in Version 2.0 of the software? Has the trunk code changed enough that the fix isn’t a straightforward copy, and we need to so something differently to fix it? The same would apply with branching to support two different platforms. New features would have to be implemented to both branches. And then, when you get to a new version, what do you do? Tag both branches? Branch both branches? It gets confusing, fast. Here are some rules of thumb for helping you know when not to branch: Branch when... 212 Chapter 6 You have released a version of the software that you need to maintain outside of the main development cycle. You want to try some radical changes to code that you might need to throw away, and you don’t want to impact the rest of the team while you work on it. Do not branch when... You can accomplish your goal by splitting code into different files or libraries that can be built as appropriate on different platforms. You have a bunch of developers that can’t keep their code compiling in the trunk so you try to give them their own sandbox to work in. The Zen of good branching Branch only when you absolutely have to. Each branch is a potentially large piece of software you have to maintain, test, release, and keep up with. If you view branching as a major decision that doesn’t happen often, you’re ahead of the game. Download at WoweBook.Com There are other ways to keep people from breaking other people’s builds. We’ll talk about those in a later chapter.
We fixed Version 1... ... and Bob finished Version 2.0 (so he says) Version 1.1 is released, and the security bug is no more. Guys, all of my code is checked in but nothing’s working. It should compile, but let me know if you have problems building something—I might have missed a file. We’ve come a long way in this chapter, but there are people that version control alone just can’t fix...Can you list some troubles that Bob can still get into, even if he uses version control to manage his code? Download at WoweBook.Com Good catch on the security bug! You guys even got a patch out before we hit the news! things version control you are here 4 213
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Download at WoweBook.Com
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Praise for Head First Object-Orient
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Other related books from O’Reilly
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Head First Software Development by
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the authors Author(s) of Head First
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table of contents x 1 If The Goal g
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table of contents xii 3 project pla
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table of contents xiv 5 good-enough
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table of contents xvi 6 / It buildi
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table of contents xviii 8 Sometimes
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table of contents xx 10 Think the n
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table of contents xxii 12 You’ve
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table of contents xxiv ii appendix
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how to use this book Who is this bo
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how to use this book xxviii intro W
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how to use this book Here’s what
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how to use this book Read Me This i
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the review team The technical revie
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safari books online Safari® Books
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Tom’s Trails Tom’s Trails is go
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the Big Bang approach The Big Bang
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the Big Bang ends with a big mess B
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great software development is... 8
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delivering with iteration Getting t
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an iteration delivers working softw
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an iteration is a complete developm
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uild a plan out of iterations and f
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deciding on a iteration tempo for y
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change happens The customer WILL ch
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handle change with iteration Iterat
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use the right process for you The r
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CHAPTER 1 your software development
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exercise solutions 28 Chapter 1 1 P
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orion’s orbits Orion’s Orbits i
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equirements start with customer ide
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capturing what’s in your customer
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getting more with role playing and
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customer-oriented requirements Our
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keep your customer in the loop Q: W
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user stories capture what your soft
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estimates come with assumptions 44
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assumptions kill confidence in your
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highlighting assumptions and obtain
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assumptions are killed or become ri
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use your customer effectively 52 Ch
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keep estimates small A BIG user sto
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aim for estimates you and your team
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your estimates are your promise Q:
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develop your estimates cyclically T
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sum your estimates to find out your
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when your project is too long 64 Ch
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deliver what you can, when it’s n
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priorities come from your customer
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Title: Description: Est: Title: 15
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factoring in team performance 76 Ch
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uilding achievable milestones Work
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your customer decides priority Titl
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milestone = paid, iteration = on tr
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continuously buildable and runnable
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inging reality to your plan 86 Chap
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velocity applies your real performa
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from ideal to real estimates Progra
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confidence comes at a price When is
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iterations with velocity The maximu
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eality means being honest Title: Es
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eaking realistic but bad news Manag
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introducing the big board The Big B
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happiness is a project that can be
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performance and burn down Work left
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introducing iSwoon Introducing iSwo
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eak up user stories into tasks Task
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tasks have estimates Your task desc
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tasks on your board Add your tasks
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moving tasks to in progress Start w
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multiple tasks at the same time Wha
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keep communication flowing with dai
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doing your first task Task 1: Creat
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inging your design to life with a s
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exercise solution The date is asked
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monitoring your progress Standup me
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updating your project board 132 Cha
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updating your project board 134 Cha
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into the second week Standup meetin
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detecting problems with the design
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surprises... 140 Chapter 4 We inter
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dealing with unplanned tasks If the
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velocity doesn’t account for surp
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you know where you are We have a lo
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meet velocity Head First: Welcome,
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inging iSwoon under control iSwoon
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detecting bad design ...you needed
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design refactoring The Date class c
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srp analysis Spotting multiple resp
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single responsibility It makes sens
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don’t repeat yourself Your design
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Page 204 and 205: unplanned work Unplanned tasks are
Page 206 and 207: good-enough delivers “Good Enough
Page 208 and 209: end of iteration board When everyth
Page 210 and 211: exercises 172 Chapter 5 Take each o
Page 212 and 213: exercise solutions Unplanned tasks
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Page 216 and 217: introducing beatbox pro You’ve go
Page 218 and 219: digging into code Here’s the code
Page 220 and 221: finish the story And now the GUI wo
Page 222 and 223: merging changes And Bob does the sa
Page 224 and 225: disaster recovery What went wrong?
Page 226 and 227: version control in action Let’s s
Page 228 and 229: 1 2 creating a repository First set
Page 230 and 231: merging changes Most version contro
Page 232 and 233: identifying conflicts If your softw
Page 234 and 235: esolving conflicts Make these chang
Page 236 and 237: dealing with older code More iterat
Page 238 and 239: dealing with multiple releases We h
Page 240 and 241: viewing logs Good commit messages m
Page 242 and 243: tagging revisions (Emergency) stand
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Page 246 and 247: working with branches Fixing Versio
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Page 252 and 253: 214 Chapter 6 What version control
Page 254 and 255: CHAPTER 6 Development Techniques Us
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Page 258 and 259: uilding buildable software Develope
Page 260 and 261: introducing ant Ant: a build tool f
Page 262 and 263: more exercises 224 Chapter 6 ½ Are
Page 264 and 265: a full build script The javac task
Page 266 and 267: habits of good build scripts Good b
Page 268 and 269: even more build script tricks Good
Page 270 and 271: version control your build script Y
Page 272 and 273: CHAPTER 6 1/2 Development Technique
Page 274 and 275: it never rains but it pours Things
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Page 280 and 281: white box testing was Below is a us
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Page 292 and 293: setting up continuous integration A
Page 294 and 295: tests only cover what you tell them
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Page 298 and 299: putting code to the test 260 Chapte
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100% coverage All three of these te
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using a coverage report Testing all
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the cost of testing Q: How do cover
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is 100% coverage efficient? 268 Cha
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an environment for testing 270 Chap
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exercise solutions 272 Chapter 7 Te
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test before code Test FIRST, not la
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unit testing Your first test... The
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green means pass Get your tests to
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testing a user story’s functional
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implement a test in code import org
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drive your code with TDD In TDD, te
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task done when tests pass Completin
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first fail Red: write (failing) tes
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keep it simple You can just make up
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simple code is testable code Always
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switching to test code with the str
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where to place your test code Remem
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etter code through testing Testing
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tests = code and lots of it More te
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mock objects We need lots of differ
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using a mock object framework Mock
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why mock objects? Q: These mock obj
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all green, you’re done It’s not
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test, red, code, green A day in the
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esults from an iteration Your itera
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daily standup meetings Standup Meet
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urn-down analysis 322 Chapter 9 Bef
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system testing System testing MUST
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incorporating system testing System
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issues with test iterations More it
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enabling communication 330 Chapter
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This is usually called acceptance t
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filing and fixing a bug The life (a
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ug trackers So you found a bug....
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learn from your iteration But there
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different project hurdles 340 Chapt
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iteration reviews Time for the iter
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other things to do A GENERAL priori
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CHAPTER 9 346 Chapter 9 Tools for y
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crossword solution 13 B 1 S Iterati
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an iteration finishes with more tha
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planning the next iteration You nee
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uilding your board for the next ite
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uilding your board for the next ite
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factoring in real velocity Q: A tea
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the customer still rules And it’s
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it’s still software Someone else
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integration tasks on your board Tit
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integrating third-party code How yo
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euse means trust too //... 368 Chap
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when reuse lets you down Testing yo
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trust no one Standup meeting 372 Ch
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looking for problems in reused sour
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finding problems in reused source c
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your process deals with it You with
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oken code happens � � � � Q
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exercise solutions 2 R 1 R 3 E S P
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At the end of the last chapter, thi
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always communicate First, you’ve
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prioritize what you do 388 Chapter
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ump some things for later 390 Chapt
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apply your process Priority one: ge
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focus on functionality We could fix
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test for bugs Figure out what funct
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think about estimating Even though
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spike tests Spike test to estimate
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estimate what’s left What do the
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factor in confidence Your team’s
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always communicate Give your custom
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apply other techniques Figure out w
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successful deliveries matter Things
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functionality wins most importantly
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CHAPTER 11 414 Chapter 11 Tools for
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crossword solution 10 F 15 H 5 P Bu
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software process defined Pinning do
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evaluate everything The big board 4
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ensure changes improve things The b
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formalize if necessary Formal attir
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other resources Some additional res
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CHAPTER 12 428 Chapter 12 Tools for
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exercise solutions 4 S 11 P 14 A So
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uml and class diagrams #1. UML clas
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sequence diagrams #2. Sequence diag
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user stories and use cases #3. User
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system testing vs. unit testing #4.
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CHAPTER 1 development techniques CH
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development principles Deliver soft
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the index building projects (contin
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the index H Head First Java BeatBox
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the index No Dumb Questions (contin
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the index singularly focused 152 so
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the index third-party code bugs in
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