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I am trying to figure out how array observers work -- unsuccessfully.
I was writing up some examples, and just couldn't get `changeRecord` to have meaningful values both at init time and when the arra…
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Forgive me if this is already documented, but would you be able to give a one or two paragraph description of what the `vm` thing is? I realize it stands for "view-model", but it's not the expected co…
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Calling `.setAttribute('foo', 'bar')` repeatedly on the same element will continually trigger it's `attributeChangedCallback`.
This means I have to add conditional checking to my custom elements:
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Happens often that I end up with stuck tooltips in the UI:
mtias updated
7 years ago
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### Idea: To not deprecate Mobx.transaction
**Selfish complaint:**
I regret to see transaction being deprecated. I know `transaction` is the same thing that `runInAction` at the implementation lev…
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**unless..** shallow cloned post mutation
#### Live Demo
https://plnkr.co/edit/dmd4MN?p=info
#### Steps to Reproduce
- Create two elements
- two way bind them via an array of objects
- on b…
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The CMS script likes to add trailing 's's to labels, even to those that don't allow creating content in those collections. We should get rid of those, it's weird to see something like "Homes" or "Foot…
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Context
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Hello, this is related to the project redis-oplog, https://github.com/cult-of-coders/redis-oplog
Timeline of an optimistic ui update as client:
1. Send call to a method tha…
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**Issue by [sorvell](https://github.com/sorvell)**
_Thursday Aug 07, 2014 at 17:17 GMT_
_Originally opened as https://github.com/Polymer/platform-dev/issues/40_
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When a browser is unsupported, t…
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### CodePen demo
https://codepen.io/jdelStrother/pen/LzrBXE
### Steps to reproduce the problem
1. Add NewRelic instrumentation, or any other instrumentation that wraps native functions (Mutat…