javascript - Are there any popular names for actual parameters and formal parameters? Especially formal parameters

I have never understood it. For actual parameters, I would add $ in front of the jquery object and use camel case to name it. For other string arrays, I would use str/arr and use camel case to name it. This actual parameter is not bad. I don’t know how to name the key formal parameters. Sometimes I ...

ringa_lee 2017-07-05 10:57:24 0  2  976

Receive parameters

Hello, can you help me record a form to log in to receive parameters and how to call the method (open http service)

无言、 2018-11-12 16:13:31 0  1  1222

javascript - vuex parameter destructuring problem

When I was using vuex, I saw that parameter destructuring was used, but I was wondering where this commit was deconstructed from? Where is the commit parameter provided? How is it written without simplification? {code...}

给我你的怀抱 2017-06-26 10:53:45 0  3  859

The optional parameter $xxx after $yyy is required

Deprecated: Required parameter $xxx comes after optional parameter $yyy... Since upgrading to PHP8.0, this error is thrown when running the following code: functiontest_function(int$var1=2,int$var2){return $var1/$var2;} In past PHP versions, this was no problem.

P粉764836448 2023-08-15 21:10:56 0  2  616

javascript - How to pass parameters in react-router-dom v4, and how to get parameters for the next component to jump to

The current method of passing parameters: {code...} 1. Is the method of passing parameters correct? Then jump to the next page, the address bar is: {code...} I thought this.props.params.id can get the parameters, but it seems not. 2. How to obtain the address bar parameters?

怪我咯 2017-06-12 09:32:47 0  2  1083

java - spring annotation dynamic parameters

{code...} Similar to the code above. {Code...} How can these parameters be read and assigned from the configuration file?

给我你的怀抱 2017-05-27 17:40:04 0  3  790

Parameter understanding of mongodb

I would like to ask the master, is my understanding of the following parameters of mongodb correct? maxWaitTime=120000 means that it has been connected to mongodb and is waiting for data to be returned. The waiting time connectTimeout=10000 means that it has requested a mongodb connection, but it ha...

習慣沉默 2017-05-17 10:02:52 0  2  909

javascript - How does vue keep-alive carry multiple parameters?

It will take effect when carrying one parameter, but how to carry multiple parameters?

世界只因有你 2017-05-19 10:13:18 0  1  516

php - laravel controller, parameter problem in front of method parameters

There is a login method in the login controller, and there is a LoginRequest in front of its formal parameter $request. Through the built-in function of phpstorm, I found that clicking it can jump to a LoginRequest.php file, which stores the user login restrictions and responses. Error message, what...

仅有的幸福 2017-06-23 09:11:14 0  3  800

javascript - Problem with function parameter default value being function in ES6?

I have a lot of confusion about the situation where the default value of a function parameter is a function, such as {code...} According to Ruan Yifeng's es6 introduction, I know that if the function parameter is a default value, there will be a block-level scope wrapping the parameter first, and af...

阿神 2017-07-05 11:09:13 0  4  1310

Positional parameters cannot be used after named parameters |yiyi2

I'm taking the Yii2PHP framework course and I'm running into a problem. I'm not very familiar with PHP so I'm having a hard time figuring this out. So I tried to create a "Delete" button in my website but I got the error: "Cannot use positional parameters after named parameters"....

P粉158473780 2024-03-26 14:44:20 0  1  450

RewriteRule splits the last character of the parameter

Here I try to rewrite the parameters in .htaccess and make the last parameter optional: RewriteRule^produktas/([0-9a-zA-Z_-]+)/?([0-9a-zA-Z_-]+) /produktas?slug=$1&var=$2[NC,L] So if I type in http://site.lt/produktas/the-glass then I want to actually get http://site.lt/produktas?

P粉081360775 2024-01-10 18:12:07 0  1  453

get parameter validation in Laravel

Please tell me how to verify the parameters passed by get in laravel. There are many filtering conditions at the top of the order list page, but these filtering conditions have certain rules. For example, the amount must be a number, and the user name cannot be greater than 5 digits. Pass parameters...

大家讲道理 2017-05-16 16:47:29 0  3  512

javascript - post method parameters are converted into parameters spliced ​​on the url by the get method

{code...} It turns out that the post method can directly pass parameters. Now I use the get method first, so the parameters must be spliced ​​after the url, similar to the form: {code...} I wrote a function but it cannot meet the requirements (cannot handle it) comma) {code...} {code...}

黄舟 2017-05-19 10:47:42 0  1  868

Problem with nginx redirection with parameters

Well, I just changed the keyword to aaabbb. What this means below is that when I visit /aaabbb/anime, I actually request /ab_anime.php {code...} Then I want to bring parameters when I click in for the first time. At the same time, I cannot see it on the address bar, and then every time If you refres...

滿天的星座 2017-05-16 17:15:56 0  1  886

python - How to pass parameters to a module, the parameter is the function name of the module?

I hope to execute multiple functions in the module by passing parameters. For example: there are functions daifu, jiekuan, tixianimport in the tb module tbtb.daifu.save(os.path.join(args.savedir, xlname)) directly write the module. The form of the function name can be called. But if you pass the val...

扔个三星炸死你 2017-06-12 09:26:33 0  1  929

node.js - Regarding the parameters of the callback function of the mongoose method, how to know the number of parameters and what they mean?

Almost all methods in mongoose have callback functions, but the parameter information of the callback function cannot be found, so how can I find it?

某草草 2017-05-16 13:37:24 0  3  589

java - How to solve the problem of cross-domain redirection carrying parameters? Do not use the method of splicing parameters at the end of the redirect url

How to solve the problem of cross-domain redirection carrying parameters? Do not use the method of splicing parameters at the end of the redirect URL. Project A is on server A and needs to be redirected to project B on server B, and the parameters need to be carried. The parameters are not visible t...

伊谢尔伦 2017-05-27 17:41:37 0  8  1905

What are the sub-parameters of the first parameter of the pdo link database?

$pdo = new PDO("This is the parameter", "root", "root"); I have seen "host", "dbname", "port", "charset" but some people's tutorials only have "host" and "dbname", so I want to ask whether he has

柳晓傲 2022-12-07 11:45:51 0  0  543

javascript - How to see the parameters of this function?

{code...} What does this parameter mean?

曾经蜡笔没有小新 2017-05-19 10:46:08 0  2  516