stateless

Passing/Accessing props in stateless child component

由 房东的猫 提交于 2019-11-27 19:10:07
问题 I know you can pass all a react components props to it's child component like this: const ParentComponent = () => ( <div> <h1>Parent Component</h1> <ChildComponent {...this.props} /> </div> ) But how do you then retrieve those props if the child component is stateless? I know if it is a class component you can just access them as this.prop.whatever , but what do you pass as the argument into the stateless component? const ChildComponent = ({ *what goes here?* }) => ( <div> <h1>Child Component

ReactJS difference between stateful and stateless

由 |▌冷眼眸甩不掉的悲伤 提交于 2019-11-27 06:58:46
I am trying to understand the exact difference between React's stateful and stateless components. Ok, stateless components just do something, but remember nothing, while stateful components may do the same, but they remember stuff within this.state . That's the theory. But now, checking on how to show this using code, I have a little trouble making the difference. Am I right with the following two examples? The only difference really is the definition of the getInitialState function. Example of a stateless component: var React = require('react'); var Header = React.createClass({ render:

Stateless vs Stateful - I could use some concrete information

由 自闭症网瘾萝莉.ら 提交于 2019-11-27 02:31:32
I'm interested in articles which have some concrete information about stateless and stateful design in programming. I'm interested because I want to learn more about it, but I really can't find any good articles about it. I've read dozens of articles on the web which vaguely discuss the subject, or they're talking about web servers and sessions - which are also 'bout stateful vs stateless, but I'm interested in stateless vs stateful design of attributes in coding. Example: I've heard that BL-classes are stateless by design, entity classes (or atleast that's what I call them - like Person(id,

Do stateless random number generators exist?

由 ぐ巨炮叔叔 提交于 2019-11-27 02:04:22
Is there a difference between generating multiple numbers using a single random number generator (RNG) versus generating one number per generator and discarding it? Do both implementations generate numbers which are equally random? Is there a difference between the normal RNGs and the secure RNGs for this? I have a web application that is supposed to generate a list of random numbers on behalf of clients. That is, the numbers should appear to be random from each client's point of view. Does this mean I need retain a separate random RNG per client session? Or can I share a single RNG across all

ReactJS difference between stateful and stateless

由 烂漫一生 提交于 2019-11-26 12:56:52
问题 I am trying to understand the exact difference between React\'s stateful and stateless components. Ok, stateless components just do something, but remember nothing, while stateful components may do the same, but they remember stuff within this.state . That\'s the theory. But now, checking on how to show this using code, I have a little trouble making the difference. Am I right with the following two examples? The only difference really is the definition of the getInitialState function.

Stateless vs Stateful - I could use some concrete information

由 烈酒焚心 提交于 2019-11-26 10:07:32
问题 I\'m interested in articles which have some concrete information about stateless and stateful design in programming. I\'m interested because I want to learn more about it, but I really can\'t find any good articles about it. I\'ve read dozens of articles on the web which vaguely discuss the subject, or they\'re talking about web servers and sessions - which are also \'bout stateful vs stateless, but I\'m interested in stateless vs stateful design of attributes in coding. Example: I\'ve heard

CSRF Token necessary when using Stateless(= Sessionless) Authentication?

由 为君一笑 提交于 2019-11-26 10:05:21
问题 Is it necessary to use CSRF Protection when the application relies on stateless authentication (using something like HMAC)? Example: We\'ve got a single page app (otherwise we have to append the token on each link: <a href=\"...?token=xyz\">...</a> . The user authenticates himself using POST /auth . On successful authentication the server will return some token. The token will be stored via JavaScript in some variable inside the single page app. This token will be used to access restricted

Do stateless random number generators exist?

由 萝らか妹 提交于 2019-11-26 09:53:47
问题 Is there a difference between generating multiple numbers using a single random number generator (RNG) versus generating one number per generator and discarding it? Do both implementations generate numbers which are equally random? Is there a difference between the normal RNGs and the secure RNGs for this? I have a web application that is supposed to generate a list of random numbers on behalf of clients. That is, the numbers should appear to be random from each client\'s point of view. Does

Why is it said that “HTTP is a stateless protocol”?

由 蓝咒 提交于 2019-11-26 01:44:04
问题 HTTP has HTTP Cookies. Cookies allow the server to track the user state, the number of connections, last connection, etc. HTTP has persistent connections (Keep-Alive) where several requests can be sent from the same TCP Connection. 回答1: Even though multiple requests can be sent over the same HTTP connection, the server does not attach any special meaning to their arriving over the same socket. That is solely a performance thing, intended to minimize the time/bandwidth that'd otherwise be
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