wxingheng

**柯里化**：将一个带有多个参数的函数转换为一次一个的函数的过程。每次调用函数时，它只接受一个参数，并返回一个函数，直到传递所有参数为止。

```language
	const add = (x,y,z) => x+y+z;

	
	const newAdd = x => y => z => x + y + z;
```
**柯里化或偏函数有什么用？**
无论是柯里化还是偏应用，我们都能进行部分传值，而传统函数调用则需要预先确定所有实参。如果你在代码某一处只获取了部分实参，然后在另一处确定另一部分实参，这个时候柯里化和偏应用就能派上用场。

wxingheng

https://gitbook.cn/gitchat/column/5a13be9775462408e0da8d9d

[docker 基本](https://gitbook.cn/gitchat/column/5a13be9775462408e0da8d9d)

wxingheng

1.Android target: not installed
上面的问题解决了，我们在build android之前先检查一下环境是否配置成功，输入： cordova requirements

问题又来了，出现下图的错误提示：

![1111.png](data:image/png;base64,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

wxingheng

Echarts地图详解（地图样式、合并地图、增加地图）
https://blog.csdn.net/qq_21963133/article/details/80012899


echart怎么让南海诸岛不显示或隐藏部分省市名称
https://blog.csdn.net/xieamy/article/details/70256542

wxingheng

https://www.zhihu.com/question/22624898[brew](https://www.zhihu.com/question/22624898)

wxingheng

![588767201612051900224291074951616.jpg](data:image/jpeg;base64,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

wxingheng

Mac下修改环境变量并保存
1.终端执行 touch ~/.bash_profile

2.终端执行 vim ~/.bash_profile

3.点一下向下箭头，点E 进入bash_profile文件

4.点i进入编辑模式，进行编辑

5.编辑完成后，点esc 退出

wxingheng

```javascript
const path = require('path');

module.exports = {
  // entry 表示 入口，Webpack 执行构建的第一步将从 Entry 开始，可抽象成输入。
  // 类型可以是 string | object | array   
  entry: './app/entry', // 只有1个入口，入口只有1个文件
  entry: ['./app/entry1', './app/entry2'], // 只有1个入口，入口有2个文件
  entry: { // 有2个入口
    a: './app/entry-a',

wxingheng

**不需要第三个变量  互换 a b **

```language
var a = 1, b = 2;

// 1
[a, b] = [b, a]

// 2
a = [b, b = a][0];

wxingheng

**清除浮动元素带来的父元素高度塌陷问题**

```language
.clearfix:after{
    centent:"";//设置内容为空
    height:0;//高度为0
    line-height:0;//行高为0
    display:block;//将文本转为块级元素
    visibility:hidden;//将元素隐藏
    clear:both//清除浮动