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Programming fundamentals for non-techies

Programming fundamentals for non-techies

An overview of some of the tools and techniques used by software developers. Aimed an non-dev or limited dev knowledge audiences.

Steven Ringo

June 20, 2012
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  1. Programming fundamentals
    for non-techies
    Tuesday, June 19 2012
    Steven Ringo | stevenringo | [email protected]

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    Hardcore programming action:
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    tagExpr = /<([\w:]+)/,
    slice = function (e) { return [].slice.call(e, 0); };
    try { var a = slice(document.documentElement.childNodes)
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    catch(e){ slice = function (e)
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    window.x$ = window.xui = xui = function(q, context) {
    return new xui.fn.find(q, context); };

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  3. Science meets art
    Components
    Getting real
    Management
    Life-cycle

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  4. Eggs Larvae Pupa Emergence Butterfly
    Requirements Design Implementation Testing Maintenance
    Phases

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  5. Requirements
    Design
    Implementation
    Testing
    Maintenance
    Waterfall

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  6. Requirements
    Design
    Testing
    Maintenance
    Implementation
    Iterative / Agile
    Requirements
    Design
    Testing
    Maintenance
    Implementation

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  7. Requirements
    Design
    Testing
    Maintenance
    Implementation
    Requirements
    Design
    Testing
    Maintenance
    Implementation
    Sprint #4
    Requirements
    Design
    Testing
    Maintenance
    Implementation
    Sprint #3
    Requirements
    Design
    Testing
    Maintenance
    Implementation
    Sprint #2
    Sprint #1
    time
    Short
    timeboxes
    ~ 2-4w

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  8. COWBOY coding

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  9. Biggest challenge
    of software engineering
    is managing the mismatch between
    what the stakeholders want
    and
    what the developers can build

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  10. The recipe is different.
    Every. single. time.

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  11. Requirements

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  12. Product perspective
    Product functions
    User characteristics
    Constraints, assumptions and dependencies
    Specific requirements
    External interface requirements
    Functional requirements
    Performance requirements
    Design constraints
    Logical database requirement
    Software system attributes
    Other requirements
    O
    M
    G
    !

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  13. User stories

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  14. Few sentences in a user’s everyday language
    What a user does to achieve something.
    Define functions a system should provide
    Captures the 'who', 'what' and 'why'
    Simple, concise
    Small paper cards/post-it notes

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  15. As a visitor to the
    Acme online store
    I wish to see the
    top 10 new Acmoids,
    listed by price, with
    large photos

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  16. Fake it ‘til you make it

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  17. Fake it ‘til you make it
    Wireframes → Prototypes → Product

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  18. Architecture

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  19. Server:
    “back end”
    Internet
    Client:
    “Front end”

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  20. Server, or “back end”

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  21. Operating System
    Web Server
    Database Server
    Application Server

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  22. Operating System
    Web Server
    Database Server
    Application Server

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  23. Server:
    “back end”
    Internet
    Client:
    “Front end”

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  24. Client, or “front end”

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  25. Information
    Design
    Interactivity

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  26. Interactivity
    Information
    Design

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  27. Keeping code safe

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  28. Repository for all programming assets
    Source of truth
    Shared among developers
    Conflict resolution
    Co-ordinating teams
    Bug fixing process
    Time machine in a box

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  29. Project tracking

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  30. Repository for all project tasks
    Source of truth
    Developers, managers and stakeholders
    Logging of effort
    Co-ordinating teams
    Bug fixing process
    Links to source control

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  31. The cloud
    computing and storage
    as a service
    to consumers

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  32. Cheap
    Elastic
    Flexible
    Secure
    Location
    Convenient
    The cloud

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  33. Expensive
    Dependent
    Regulatory
    Unmanaged
    Location
    The cloud

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  34. Dynamic Clarity
    Thank you
    stevenringo | [email protected]

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