Login
Discover
Waves
Communities
Login
Signup
Topics
#readonly
Global
Trending
Hot
New
Top
#readonly
New
Top communities
Create your community
latest #readonly created topics | Ecency
sunsi
typescript
2018-01-23 08:33
!
New account with an unverified outbound link, Reveal content
TypeScript中的可选属性和只读属性
可选属性 接口里的属性不全都是必需的。 有些是只在某些条件下存在，或者根本不存在。 例如给函数传入的参数对象中只有部分属性赋值了。带有可选属性的接口与普通的接口定义差不多，只是在可选属性名字定义的后面加一个?符号。如下所示： interface Person { name: string; age?: number; gender?: number; }
$ 0.058
3
enrique786
redhat
2017-09-03 11:54
[RHEL]Recover Boot If fstab corrupt or Read Only File system Error [without boot from CD/DVD]
[RHEL`]Recover Boot If fstab corrupt or Read Only File system Error [without boot from CD/DVD] Dear Friends If you stuck problem in boot RHEL by wrong or corrupt entry in /etc/fstab and trick "single
$ 0.000
0
![[RHEL]Recover Boot If fstab corrupt or Read Only File system Error [without boot from CD/DVD]](/assets/noimage.png)