CS257 Software Design
Monday, 14 April 2025

+ Questions

+ Today
- Discuss Krug & user stories
- Dealing with data
    - CSV
    - JSON

+ Don't Make Me Think
- reactions? key ideas?
- Incorporated ideas into his writing
    - e.g. lotta bold, headings, images, etc.
- Not reinventing the wheel; using conventions
- Designing for scanning, not reading
    - web page as billboard
- Reduce word count
- Stop sign convention works, but is ugly
- "Satisficing" idea does describe what (at least some of us)
    do in practice
- Easier to understand than to put into practice

+ User stories
- Write one user story describing an interaction
    with a piece of software you use often
- Moodle: Student checks for future assignments and
    past grades, because...
    - should be more than one user story
    - good role specification (student)
    - vague on details (either ok or not, depending on
        how the team is going to use the user story)
        (it's about right for Tuesday's assignment)
    - great overall
- TikTok: Person saves a video to the favorites list
    - role is super vague, but it's TikTok...maybe..."casual browser"?
    - vague on details
    - basically, this is great
- Gmail: Student uses gmail to check correspondence from
    employers and professors
    - role is clear
    - vague on details
    - level of specificity is good

- ATM:
    - Account holder wants to withdraw $100
        enters card, enters PIN, selects account, selects amount...
    - Account holder withdraws $100

===========

+ Processing CSV data with python
- What is CSV format?
- What makes CSV not quite trivial
- Using python csv.reader
- Let's try it

+ Processing JSON data with python
- What is JSON format?
- ...