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## 闭包
### 概念
在 js 中变量的作用域属于函数的作用域,在函数执行完后作用域就会被清理,闭包函数是建立在函数内部的子函数,闭包函数引用了函数的变量,就算函数执行完成作用域也不会被清理。
### 形成条件
- 函数嵌套,函数里有函数
- 里面函数引用了外边函数的变量
### 用途
- 模仿块级作用域,避免全局变量污染
- 封装私有化变量
- 保护变量,阻止被回收
- …
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### Description
Reproduction project can be found [here](https://github.com/ruko1981/Button_IsEnabled_Issue).
When using C# markup for views; A button who's IsEnabled property is bound [and set to…
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# Property-Scoped Fields
(Ported from dotnet/roslyn#850)
## Summary
[summary]: #summary
Allow fields to be scoped within the accessor body of a property or event declaration.
## Motivatio…
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[Introduction - vue.js](http://vuejs.org/guide/)
- [x] data binding
- [ ] component aggregation
- [x] routing
- [ ] state management
## Resources
- [Views on Vue Archive | Devchat.tv](http…
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- [x] **Starting point**
- [x] text is in C#
- [x] all UT are green
- [x] the program behaves as expected (intermediate approval test)
- [x] **Data Layer**
- [x] responsibility of this la…
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### Current behavior
it does not start from visual studio 2022 it only starts from cli
and this is my visual studio and dotnet info
![image](https://github.com/DevToys-app/DevToys/assets/104096…
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morning, i combat since last week with Example External_UI / WpfSetup. I did some changes for startwindow , mainwindow, not to install immediatly , proceed to antoher window. Sofar ok, but how do i pa…
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## Background and Motivation
The [`ConditionalWeakTable`](https://docs.microsoft.com/en-us/dotnet/api/system.runtime.compilerservices.conditionalweaktable-2) is an extremely useful type that allows…
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In Swing, a component triggers a mouse exit when entering a subcomponent. I find this rather unintuitive and not the behavior I would expect.
Especially if I want to model a simple (CSS style) hove…