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Head First Software Development - Helion

Head First Software Development
ebook
Autor: Dan Pilone, Russ Miles
ISBN: 978-14-493-6815-9
stron: 498, Format: ebook
Data wydania: 2007-12-20
Księgarnia: Helion

Cena książki: 143,65 zł (poprzednio: 167,03 zł)
Oszczędzasz: 14% (-23,38 zł)

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Even the best developers have seen well-intentioned software projects fail -- often because the customer kept changing requirements, and end users didn't know how to use the software you developed. Instead of surrendering to these common problems, let Head First Software Development guide you through the best practices of software development. Before you know it, those failed projects will be a thing of the past.

With its unique visually rich format, this book pulls together the hard lessons learned by expert software developers over the years. You'll gain essential information about each step of the software development lifecycle -- requirements, design, coding, testing, implementing, and maintenance -- and understand why and how different development processes work.

This book is for you if you are:

  • Tired of your customers assuming you're psychic. You'll learn not only how to get good requirements, but how to make sure you're always building the software that customers want (even when they're not sure themselves)
  • Wondering when the other 15 programmers you need to get your project done on time are going to show up. You'll learn how some very simple scheduling and prioritizing will revolutionize your success rate in developing software.
  • Confused about being rational, agile, or a tester. You'll learn not only about the various development methodologies out there, but how to choose a solution that's right for your project.
  • Confused because the way you ran your last project worked so well, but failed miserably this time around. You'll learn how to tackle each project individually, combine lessons you've learned on previous projects with cutting-edge development techniques, and end up with great software on every project.
Head First Software Development is here to help you learn in a way that your brain likes... and you'll have a blast along the way. Why pick up hundreds of boring books on the philosophy of this approach or the formal techniques required for that one? Stick with Head First Software Development, and your projects will succeed like never before. Go on, get started... you'll learn and have fun. We promise.

Dodaj do koszyka Head First Software Development

 

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Spis treści

Head First Software Development. A Learner's Companion to Software Development eBook -- spis treści

  • Head First Software Development
  • Dedication
  • A Note Regarding Supplemental Files
  • Advance Praise for Head First Software Development
  • Praise for Head First Object-Oriented Analysis and Design
  • Praise for Head First Design Patterns
  •  
    • Author(s) of Head First Software Development
  • How to use this Book: Intro
    • Who is this book for?
      • Who should probably back away from this book?
    • We know what youre thinking
    • We know what your brain is thinking
    • Metacognition: thinking about thinking
    • Heres what WE did
      • Heres what YOU can do to bend your brain into submission
    • Read Me
    • The technical review team
    • Acknowledgments
    • Safari Books Online
  • 1. Great Software Development: Pleasing your customer
    • Toms Trails is going online
    • Most projects have two major concerns
      • How much will it cost?
      • How long will it take?
    • The Big Bang approach to development
    • Flash forward: two weeks later
    • Big bang development usually ends up in a BIG MESS
      • If your customer isnt happy, you built the wrong software
    • Great software development is...
    • Getting to the goal with ITERATION
    • Each iteration is a mini-project
    • Each iteration is QUALITY software
    • The customer WILL change things up
    • Its up to you to make adjustments
      • Youre already a long way into development...
      • ... and youve still got other features to build...
      • ... and the deadline hasnt changed.
    • Iteration handles change automatically (well, sort of)
    • Your software isnt complete until its been RELEASED
    • Tools for your Software Development Toolbox
  • 2. Gathering Requirements: Knowing what the customer wants
    • Orions Orbits is modernizing
    • Talk to your customer to get MORE information
    • Bluesky with your customer
    • Sometimes your bluesky session looks like this...
    • Find out what people REALLY do
    • Your requirements must be CUSTOMER-oriented
    • Develop your requirements with customer feedback
    • User stories define the WHAT of your project... estimates define the WHEN
    • Cubicle conversation
    • Playing planning poker
    • Put assumptions on trial for their lives
    • A BIG user story estimate is a BAD user story estimate
    • The goal is convergence
      • How close is close enough?
    • The requirement to estimate iteration cycle
    • Finally, youre ready to estimate the whole project...
      • And the total project estimate is...
    • Tools for your Software Development Toolbox
  • 3. Project Planning: Planning for success
    • Customers want their software NOW!
    • Prioritize with the customer
      • What is Milestone 1.0?
    • We know whats in Milestone 1.0 (well, maybe)
      • Sanity-check your Milestone 1.0 estimate
    • If the features dont fit, reprioritize
    • More people sometimes means diminishing returns
    • Work your way to a reasonable Milestone 1.0
    • Iterations should be short and sweet
    • Comparing your plan to reality
    • Velocity accounts for overhead in your estimates
    • Programmers think in UTOPIAN days...
      • Heres what a programmer SAYS...
      • ... but heres what hes really THINKING
    • Developers think in REAL-WORLD days...
    • When is your iteration too long?
    • Deal with velocity BEFORE you break into iterations
    • Time to make an evaluation
      • Deliver the bad news to the customer
    • Managing pissed off customers
    • The Big Board on your wall
    • How to ruin your teams lives
    • Tools for your Software Development Toolbox
  • 4. User Stories and Tasks: Getting to the real work
    • Introducing iSwoon
    • Do your tasks add up?
    • Plot just the work you have left
    • Add your tasks to your board
    • Start working on your tasks
    • A task is only in progress when its IN PROGRESS
    • What if Im working on two things at once?
    • Your first standup meeting...
    • Task 1: Create the Date class
    • Standup meeting: Day 5, end of Week 1...
    • Standup meeting: Day 2, Week 2...
    • You have to track unplanned tasks
    • Unexpected tasks raise your burn-down rate
    • Velocity helps, but...
    • We originally calculated velocity as...
    • So we have this much float...
    • ... but it may not be enough!
    • We have a lot to do...
      • Youve got more work to do...
      • ...and your burn-down rate is going in the wrong direction.
    • ...but we know EXACTLY where we stand
  • 5. Good-Enough Design: Getting it done with great design
    • iSwoon is in serious trouble...
    • This design breaks the single responsibility principle
    • Spotting multiple responsibilies in your design
    • Going from multiple responsibilies to a single responsibility
    • Your design should obey the SRP, but also be DRY...
    • The post-refactoring standup meeting...
    • Unplanned tasks are still just tasks
    • Part of your task is the demo itself
    • When everythings complete, the iterations done
  • 6. Version Control: Defensive development
    • Youve got a new contractBeatBox Pro
    • And now the GUI work...
    • And a quick test...
    • And Bob does the same...
    • Demo the new BeatBox for the customer
    • Standup meeting
    • Lets start with VERSION CONTROL
    • First set up your project...
    • ...then you can check code in and out.
    • Most version control tools will try and solve problems for you
      • Bob tries to check in his code...
      • ... but quickly runs into a problem.
    • The server tries to MERGE your changes
      • Nonconflicting code and methods are easy
      • Your version control software will combine files
      • But conflicting code IS a problem
    • If your software cant merge the changes, it issues a conflict
    • Now show the customer...
    • More iterations, more stories...
    • Standup meeting
    • We have more than one version of our software...
    • Good commit messages make finding older software easier
      • Play Find the features with the log messages
    • Now you can check out Version 1.0
    • (Emergency) standup meeting
    • Tag your versions
      • So what?
    • Tags, branches, and trunks, oh my!
    • Fixing Version 1.0...for real this time.
    • We have TWO code bases now
    • When NOT to branch...
      • Branch when...
      • Do not branch when...
    • We fixed ersion 1...
    • ... and Bob finished ersion 2.0 (so he says)
    • Version control cant make sure your code actually works...
    • Tools for your Software Development Toolbox
  • 6 . Building your Code: Insert tab a into slot b...
    • Developers arent mind readers
    • Building your project in one step
    • Ant: a build tool for Java projects
    • Projects, properties, targets, tasks
    • Good build scripts...
      • ... generate documentation
      • ... compile your project
      • ... clean up the mess they make
    • Good build scripts go BEYOND the basics
    • Your build script is code, too
    • New developer, take two
    • Tools for your Software Development Toolbox
  • 7. Testing and Continuous Integration: Things fall apart
    • Things will ALWAYS go wrong...
    • Standup meeting
    • There are three ways to look at your system...
      • Your users see the system from the outside
      • Testers peek under the covers a little
      • Developers let it all hang out
      • ... and you need to consider each of these views
    • Black-box testing focuses on INPUT and OUTPUT
    • Grey-box testing gets you CLOSER to the code
      • Grey-box testing is like black-box testing...but you can peek
    • White-box testing uses inside knowledge
      • White-box tests tend to be code-on-code
      • Hanging your tests on a framework
    • Testing EVERYTHING with one step
    • Automate your tests with a testing framework
    • Use your framework to run your tests
      • Continuous integration tools run your tests when you check in your code
    • At the wheel of CI with CruiseControl
    • Testing guarantees things will work... right?
    • Standup meeting
    • Testing all your code means testing EVERY BRANCH
    • Use a coverage report to see whats covered
    • Getting good coverage isnt always easy...
    • Standup meeting
    • Tools for your Software Development Toolbox
  • 8. Test-Driven Development: Holding your code accountable
    • Test FIRST, not last
    • So were going to test FIRST...
      • Analyze the task
      • Write the test BEFORE any other code
    • Welcome to test-driven development
    • Your first test...
    • ... fails miserably.
      • NOW write code to get the test to pass.
    • Get your tests to GREEN
    • Red, green, refactor...
    • In TDD, tests DRIVE your implementation
    • Completing a task means youve got all the tests you need, and they all pass
    • When your tests pass, move on!
    • Different task, same process
    • Red: write (failing) tests
    • Green: write code to pass tests
    • Simplicity means avoiding dependencies
    • Always write testable code
    • When things get hard to test, examine your design
    • The strategy pattern provides for multiple implementations of a single interface
    • Keep your test code with your tests
    • Testing produces better code
    • More tests always means lots more code
    • Strategy patterns, loose couplings, object stand ins...
    • We need lots of different, but similar, objects
    • What if we generated objects?
    • A mock object stands in for real objects
    • Mock objects are working object stand-ins
    • Good software is testable...
      • A whole-lotta-nuthin
      • Its still me...
      • Ghosts from the past
    • Its not easy bein green...
      • When all of your tests pass, youre done
    • A day in the life of a test-driven developer...
    • Tools for your Software Development Toolbox
  • 9. Ending an Iteration: Its all coming together...
    • Your iteration is just about complete...
    • ... but theres lots left you could do
    • Standup Meeting
    • System testing MUST be done...
    • ... but WHO does system testing?
      • Developer testing
      • Tester testing
    • System testing depends on a complete system to test
    • Good system testing requires TWO iteration cycles
    • More iterations means more problems
    • The life (and death) of a bug
    • So you found a bug....
      • Bugs belong in a bug tracker
    • Anatomy of a bug report
    • But theres still plenty left you COULD do...
    • Time for the iteration review
      • Elements of an iteration review
    • Some iteration review questions
    • A GENERAL priority list for getting EXTRA things done...
    • Tools for your Software Development Toolbox
  • 10. The Next Iteration: If it aint broke... you still better fix it
    • What is working software?
      • ...completing your iterations work
      • ...passing all your tests
      • ... satisfying your customer
    • You need to plan for the next iteration
    • Velocity accounts for... the REAL WORLD
    • And its STILL about the customer
    • Someone elses software is STILL just software
    • Customer approval? Check!
    • Testing your code
    • Houston, we really do have a problem...
    • Standup meeting
    • Trust NO ONE
    • You without your process
    • You with your process
  • 11. Bugs: Squashing bugs like a pro
    • First, youve got to talk to the customer
    • Standup meeting
    • Priority one: get things buildable
    • We could fix code...
    • ... but we need to fix functionality
    • Figure out what functionality works
    • NOW you know whats not working
    • Spike test to estimate
    • What do the spike test results tell you?
      • You can then figure out how long it will take for your team to fix all the bugs
    • Your teams gut feeling matters
      • Feed confidence into your estimate
    • Give your customer the bug fix estimate
    • Things are looking good...
    • ... and you finish the iteration successfully!
    • AND most importantly the customer is happy
    • Tools for your Software Development Toolbox
  • 12. The Real World: Having a process in life
    • Pinning down a software development process
      • There is no silver-bullet process
    • A good process delivers good software
    • Formal attire required...
      • Do what youre doing...just prettier
    • Some additional resources...
    • More knowledge == better process
    • Tools for your Software Development Toolbox
    • Its time to leave a mark on the board world!
  • A. Leftovers: The top 5 topics (we didnt cover)
    • #1. UML class diagrams
    • Class diagrams show relationships
    • #2. Sequence diagrams
    • #3. User stories and use cases
    • #4. System tests vs. unit tests
    • #5. Refactoring
  • B. Techniques and Principles: Tools for the experienced software developer
  • Index
  • About the Authors
  • Copyright

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