Tech Tim Profile picture
Jul 21, 2022 8 tweets 5 min read Read on X
Learn JS Patterns - 1 Singleton
- harder to write unit test for app
- consider #Redux as a (kind of) singleton
- a bit breaks Single Responsibility Principle, because it solves two problems (keep one instance for a class, assign a global access point to the instance)
@keurplkar Image
@keurplkar Learn JS Patterns - 2 Proxy Pattern

- Proxy can help on validating, formatting, notification, debugging etc
- It add control over the behavior of an object, so over using Proxy may grant performance issue

@lydiahallie
@keurplkar 3 Provider Pattern

- Very common in React, make data accessible to multiple child components to avoid props drilling
- For example #mui theme provider provider pattern diagram in...
@keurplkar 4 Prototype
For example
dog1.prototype.bark='wow'

The prototype pattern is a useful way to share properties among many objects of the same type.

Careful, avoid #prototype pollution
@keurplkar 5 Container/Presentation

- use container to fetch data and wrap presentation component
- use presentation component to show UI A diagram for container/pre...
But actually, to use hooks may be better in React application
@keurplkar 6 Observer

we can use the observer pattern in many ways, it can be very useful when working with **asynchronous, event-based** data.

- Good to implement single-responsiblity principle
- If an observer becomes too complex, may cause performance issues Image

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More from @TechTim42

Jul 20, 2022
What is a Crucial Conversation?

- opposing opinions
- strong emotions
- high stakes

🧵👇 triangle of crucial convers...
@josephgrenny Knowing how to handle a crucial conversation.

It could help your health, strengthen your relationships, increase your influence and improve your organisation.
@josephgrenny 3 - We usually choose the wrong topic, choose easy and recent topic for the crucial conversation, which may not lead to the root cause.
Try CPR
- Keep it at Content, wrong name pronounce
- Move to Pattern, in every meeting
- Talk Relationship, => feel not valued
Read 5 tweets
Jul 15, 2022
#TIL

How much time will you spend in meetings in your work time?

- 20% to 40% says cultureamp.com
- It will be 4 years in a person's whole life

There is 4P Method to help you master your meetings.

✓Purpose
✓Product
✓Personal Benefit
✓Process
From their research, they found a few interesting percentages.
- Believes meeting are #1 waste of time (49%)
- Admits to deliberately missing meetings (96%)
- Daydreams in meetings (91%)
- Does other work (73%)
- Sleeps in meetings (39%)
Read 7 tweets

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