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Indexed Entity Order
We restructured our Database to use Indexed Entities, meaning hash maps keyed on the id of the 'entity. However, by using hash maps, we lost something important: order. Hash maps don't guarantee the order of their elements, so how do we add order back in?
Code is available: lispcast/understanding-re-frame
Code for this particular lesson is available at the 033 branch.
You can checkout the code in your local repo with this command:
$CMD git clone https://github.com/lispcast/understanding-re-frame.git
$CMD cd understanding-re-frame
$CMD git checkout -f 033 Understanding Re-frame
Re-frame Stack Overview
free
9 min
Getting Set Up
20 min
Reagent components
24 min
Basic HTML with Hiccup
7 min
Hiccup true, false, and nil Attributes
5 min
Hiccup Style Attributes
6 min
Hiccup class Pattern
5 min
Hiccup id and class Shortcuts
5 min
Hiccup Nested Tag Shortcut
3 min
React Events
11 min
Hiccup and subcomponents
6 min
Hiccup lists, keys, and laziness
16 min
Accessing DOM nodes
19 min
Form component best practices
free
27 min
Reagent Atoms
19 min
Component Re-rendering
15 min
Embedding strings of HTML
6 min
Embedding Native JS React Components
9 min
Re-frame flow overview
free
14 min
Dispatching Events
10 min
Handling Events
free
20 min
Effect Handlers
10 min
Co-effects
12 min
Interceptors overview
8 min
Interceptor example
19 min
HTML DB Isolation
free
14 min
Subscriptions
15 min
Reactive Subscriptions
18 min
Reactive Subscriptions walkthrough
13 min
Choosing where to store state
16 min
Naming Events and Subscriptions
18 min
Initialization recommendations
11 min
Deeply nested databases
23 min
Keep Events and Subscriptions Together
16 min
Calculations in Subscriptions
22 min
Indexed Entities
39 min
Indexed Entity Order
14 min