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Software engineering 101 - The basics you should hear about at least once
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Transcript of Software engineering 101 - The basics you should hear about at least once
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Software Engineering 101
The basics you should hear about at least once
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Engineering is all about
constraints
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Know your context
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Know your resources
How can you do this?
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Know your goals
What are you doing?
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Why are you doing this?
Know your reason
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There is always “it depends”
argument
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Be proactive to find those limitations
Listen and ask to get the whole context
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Be passionate
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Technologies do
NOT matter
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No, it does not really matter
“ Is Ruby better than Python? ”
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Yeah, that’s a good argument
“But I like Python more!”
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Good software is done by good software engineers
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Project success has NO correlation
with technologies used
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Pick any technology pragmatically
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Pragmatic arguments logically fit
your context
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Pragmatic: “Team is proficient with it“
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Pragmatic: “People are excited by the technology”
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Pragmatic: “Easy to find new people”
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Pragmatic: “Helps do things right”
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Hardest challenges
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Problems Context Focus
1. How do you communicate?
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Divide and Conquer Structure
Conventions
2. How do we manage complexity?
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3. How do I name this thing?
Never trust names by default Look in the source code
Read more
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Manage complexity Communicate
Measure React
4. How to evolve this system?
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There are no silver bullets
Be pragmatic not religious
about how you solve problems
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Code is for humans!
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It’s all about people
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Not easy !
See this: http://www.infoq.com/presentations/Simple-Made-Easy
Use simple
technologies
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More time spent reading and debugging then actual writing code
Always think about maintenance
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Readability and simplicity is always better
than no duplications and following best practices
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–John Woods
Always code as if the guy who ends up maintaining your code will be
a violent psychopath who knows where you live.
!Code for readability.
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Know what
you are doing
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Never be lazy about knowing
what's going on under the hood
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This is not really scary
Ask
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Tell
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Show
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Keep on learning
Be a sponge for information
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Experiments
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Always write code
Do not only learn and analyse Get your hands dirty
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Try new things
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Success is a side-effect
Failure is the only
source of experience
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Experience is the only
source of intuition
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Recipe may vary !
See this: http://en.wikipedia.org/wiki/Cynefin
Think Act
Measure Decide
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Be responsible
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Good practices
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Routine automation
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Do not let bugs live
OSS Open new issues
Make contributions
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Hotkeys Snippets
Live templates
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Pet projects
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https://signalvnoise.com/posts/3124-give-it-five-minutes
Give it 5 minutes
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Know your tools
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Git
rebase, add patch, bisect
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Gitflow
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Vim, Sublime, Nano
IDE + Text editor
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CI / CD / QA / Operations
Know what others do and how you can help
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Guerilla Refactoring
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The only one working
refactoring method
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Refactoring has no
direct business value
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Refactoring should not
be a part of backlog
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Add time for refactoring
in your estimates
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Boy Scout rule: “Always leave the code behind
in a better state than you found it”
Uncle Bob
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Task estimation
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Include all phases in estimates
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30% testing 30% implementation 10% logging and metrics 30% refactoring
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30% testing 30% implementation 10% logging and metrics 30% refactoring
This is what you REALLY can estimate
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Real estimate = 3 * implementation estimate
Multiplication Factor will vary based on experience
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Project estimation
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Create epics and stories
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Divide stories in tasks
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Make optimistic task estimation
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Illness Fuck ups
Bus factors Holidays
Design mistakes
Include all risks
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Optimistic path with estimated risks included
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Realistic path
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Realistic path =
3.14 * Optimistic path + 2 weeks
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The time needed for senior engineer to make something working
if everything else failed
2 weeks is an emergency interval
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Productivity
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Pomodoro GTD
Productivity techniques
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Always Be Coding https://medium.com/@davidbyttow/abc-always-be-coding-d5f8051afce2
ABC
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Keep mind sharp
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Eat well
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Sleep well
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Exercise well
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Make breaks
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Meditate
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Intentionally left blank
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The Ultimate Goal
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It’s not about coding
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It’s not about design
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It’s not about joy
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It’s not about making money
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It’s all about value
All other things included!
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When your coding skills will be smooth, you will start thinking about the value
automatically
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Takeawayshttp://martinfowler.com/bliki/OpportunisticRefactoring.html
http://www.quora.com/Computer-Programming/What-insights-do-expert-hackers-have-for-novice-programmers
http://www.quora.com/Computer-Programming/What-are-some-essays-all-programmers-should-read
http://michaelochurch.wordpress.com/2012/01/26/the-trajectory-of-a-software-engineer-and-where-it-all-goes-wrong/http://pomodorotechnique.com/http://www.infoq.com/presentations/Simple-Made-Easy
http://vlsicad.ucsd.edu/Research/Advice/star_engineer.pdfhttp://www.targetprocess.com/articles/speed-in-software-development.htmlhttp://simpleprogrammer.com/2014/02/17/secret-ridiculous-productivity-im-using-now/
https://signalvnoise.com/posts/3124-give-it-five-minuteshttps://medium.com/@davidbyttow/abc-always-be-coding-d5f8051afce2