October 2022 Flashcards

Question

state options (Vue) (7)

Answer 1

data (returns the initial reactive content state) props computed methods watch (define callbacks to be used on data change) emits expose (a way of creating public properties)

Answer 2

Acting Head of the Vehicle Systems & Control Group at UMTRI

Answer 3

All location info in one field.

Answer 4

A high-end Lidar brand

Answer 5

Slots are reserved space offered by vuejs to display content passed down from one component to another. There are two types of slot in vuejs namely: named slot and unnamed(default) slot. Used to pass down Html elements from one component to another.

Answer 6

(note the opening/closing brackets are missing from the code below) input :value="text" @input="event => text = event.target.value" The v-model directive helps us simplify the above to: input v-model="text"

Answer 7

to pass a dictionary full of values down and around methods until all values are used.

Answer 8

just like ToString override

Answer 9

dunders before and after

Answer 10

unambiguous representation (a little bit like serialization)

Answer 11

HTTP 304 cached file sent back.

Answer 12

multiple operations give you back the same result. GET & PUT.

Answer 13

Cross Origin Resource Sharing

Answer 14

Same Origin Policy

Answer 15

cache-control max-age (seconds) no-cache

Answer 16

cache busting

Answer 17

functions are treated as first-class citizens. i.e. as variables/arguments to be passed in

Answer 18

try except

Answer 19

functions can be defined inside other functions

Answer 20

import functools functools.wraps()

Answer 21

on internal function (the decorator) use *args, **kwargs... will work for any other combo of arguments.

Answer 22

Tuples Integers String Float Bools

Answer 23

NEVER use a mutable type as a default. None is a better option

Answer 24

python-dotenv

Answer 25

FLASK_ENV=development or FLASK_DEBUG=1

Answer 26

use the smorest/flask abort method

Answer 27

dict_var |= item_data

Answer 28

Marshmallow

Answer 29

Factory method

Answer 30

super().__init__()

Answer 31

Type Hinting def function_name (var_name: float) -> String

Answer 32

use "Book" while type-hinting in class Book. Book otherwise.

Answer 33

Detached Head

Answer 34

The meta data will not match making conflicts inevitable for future merges from that branch. You should kill the feature branch after doing the merge squash

Answer 35

Border Gateway Protocol protocol enabling data routing. BGP directs packets on paths. And update paths based on

Answer 36

Routing Information Base data table stored on a server on a BGP router

Answer 37

Compiling one lang to another (different abstraction layers) to .exe or bytecode Transpiling one lang to another (same abstraction layer)

Answer 38

Model (with relations) PlainModel (without relations)

Answer 39

os.getenv()

Answer 40

db.create_all()

Answer 41

SQLAlchemyError

Answer 42

get_or_404(). There are others I'm sure. But good to know these exist.

Answer 43

Source code & packages in one place (repo)

Answer 44

Because it allows for names to be passed in at runtime. (more dynamic)

Answer 45

functions can be declared ANYWHERE in scripted languages...

Answer 46

when importing scripts into HTML using the type=module, they will be deferred. (i.e. parsing/rendering will not stop on the import).

Answer 47

Declaration - class Name {} Expression - const Name = class {} Expression is currently winning

Answer 48

Consult Standard Built-In Objects doco at MDN

Answer 49

mutli-line strings with interpolation.

Answer 50

Mocha - lightweight testing framework Chai - TDD assertion library Sinon - Mocking Library Jest

Answer 51

VUE off to the left, with an input and an output input: Render output: Dispatch Vuex on the right with three states Actions (takes in dispatch) two-way with Backend API Mutations (takes in Mutations) two-way with devtools State (takes in Mutated) outputs Render

Answer 52

Because a computed property, when the underlying data changes it will be recomputed and trigger associated DOM updates... i.e. this is the reactive path "computed properties are cached based on their reactive dependencies. "

Answer 53

1) Single Source Tree 2) Must be plain (as in a plain JavaScript Object)

Answer 54

mapState "helper" (emphasis on helper) 1) 'count' is same as 'state => state.count' 2) just the string alone of 'count' means count: state => state.count 3) use the spread operator to expand it into computed... 4) not cached

Answer 55

Mutations must be synchronous Actions can be asynchronous - allows for more complicated orchestrations of operations

Answer 56

Allows dispatching of actions or mutations in the global namespace.

Answer 57

Consult the doco. There are many shortcut notations that can be used.

Answer 58

1) App level state is centralized in the store 2) Changes only done in mutations 3) Async logic is done only in actions

Answer 59

Prevents mutations outside of mutations, but very expensive so not for PROD

Answer 60

Bind the input's value and call a method on the input change event or... even better... A 2-way computed property (with get & set, consult doco)

Answer 61

The act of specifying environment variables

Answer 62

object.assign object.assign( { a:1, b: 2}, c:3}

Answer 63

Clean Install It never writes to package.json or package-lock.json Is faster than install Will remove node_modules prior to execution Can not install global packages

Answer 64

Internet Control Message Protocol Used for determining success or failure of communications between IPs. Not usually data

Answer 65

Where your code changes a method from a module that it depends on.

Answer 66

Lightweight Postgres Connection Pooler

Answer 67

Miles per disengagement (data is self reported, mostly from California)

Answer 68

AI (the camera does not have to be in stereo)

Answer 69

meant time to failure: 100-200 hours

Answer 70

very weak detecting stationary objects

Answer 71

Bird's Eye View

Answer 72

Intersection over Union yields value of 0 -> 1 Essentially a measure of the quality of detection

Answer 73

Precision (true positives / (true and false) positives) Recall (true positives / (true positives + false negatives)) Intersection over Union

Answer 74

true positives / all positives

Answer 75

true positives / true positives + false negatives

Answer 76

Origin and Destination (the beginnings of navigation)

Answer 77

Federal Motor Vehicle Safety Standards

Answer 78

They lost more court cases than they won (6 out of 10 in first 15 years) So they focus more on recall management/enforcement now.

Answer 79

SAE guidelines for Safe On-Road Testing of SAE Level 3, 4, and 5 Prototype Automated Driving Systems

Answer 80

International Alliance for Mobility Testing & Standardization

Answer 81

AI: 0.1 second Human: 0.7 seconds, but so much better @ accuracy and recall

Answer 82

Technicscher Uberwachungsverein Techincal Inspection Association Germany

Answer 83

Korean People's Army Maybe they are the one's setting the standards in South Korea?

Answer 84

Independent Owner Operator

Answer 85

Sensor Data Sharing Message

Answer 86

300-400 ms

Answer 87

The fish-eye lens cameras we have on many intersections.

Answer 88

Newell's Triangular Fundamental Diagram

Answer 89

3 Commercial VISSIM (by PTV in Germany) AIMSUN (Spain, now owned by Siemens) Paramics (UK) 1 Open Source SUMO (German)

Answer 90

Automated Vehicle Safety Consortium

Answer 91

When any car must sit through two cycles.

Answer 92

The number of vehicles that are connected over the total # of vehicles. (just some jargon)

Answer 93

Safe, AI, FramEwork, Trustworthy, Edge, Scenario, Test

Answer 94

Naturalistic Adversarial Driving Environment

Answer 95

when "rendering" the template section of a component. (This makes a ton of sense)

Answer 96

mutating state. (State changes cause a new call to render, which will trigger new mutations, which will cause new render call... infinite loop.

October 2022 Flashcards

(130 cards)