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因为关乎到了this指向的问题，call、apply和bind的用法可以说是老生常谈了。这篇文章的主要作用是利用js原生方法对三个方法进行实现，升入了解其中的原理，对相关知识点有更好的掌握。
### call与apply
简单介绍：call和apply方法都是使用一个指定的this值和对应的参数前提下调用某个函数或方法。区别则在于call是通过传多个参数的方式，而apply则是传入一个数组…
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Hello,
I downloaded the raw B cell data from https://www.tissueimmunecellatlas.org/#datasets.
It is an .h5ad file and I need to make it usable in Seurat.
I am performing the following steps…
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I'm new to R programming, and I'm wondering why this error is happening
res
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For some applications, it could be useful to have plot with diamonds in the middle of the tree.
For example, I want to represent any grand mother - grand mother relationship, irrespective of whethe…
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Current code with bad data
```python
s_male = Session()
s_male.load('incidence_males.xlsx', nb_index=1)
stacked_m = stack(list(s_male.items()), 'age').astype(int)
stacked_m = stacked_m.rename({…
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Hi,
I am trying to build some examples for a modelling class in order to illustrate zero-inflated models. For that purpose, I would like to show with an image how much does improve a model when one…
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## 解构
解构的作用是可以快速取得数组或对象当中的元素或属性，而无需使用arr[x]或者obj[key]等传统方式进行赋值
1.数组解构赋值：
```
var arr = ['this is a string', 2, 3];
//传统方式
var a = arr[0],
b = arr[1],
c = arr[2];
//解构赋值，是不是简洁很多？
var [a, b, c] =…
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by @emielhoogendijk
Dear all,
Some information for the TC tomorrow:
I have been reading the literature about cut-offs with regard to slow gait speed and weak grip strength. Most articles fro…
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This is needed for improving sex genotyping performance
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- Top most popular names overall and by department department - Click on name shall bring the search results
- Top most popular first names by sex
Example:
https://www.filae.com/nom-de-famille/