tp6 constructor invalid

Does anyone know what's going on? The return in the tp6 constructor doesn't work. It's very strange.

金**的落叶 2022-05-09 08:54:18 0  4  1414

symfony - sylius ResourceController defines constructor

Most recently, sylius customized a constructor in the ResourceController of the ResourceBundle. public function __construct(Configuration $config) { $this->config = $config; } In the Controller of symfony2, you cannot customize the construct...

迷茫 2017-05-16 16:44:21 0  1  554

What are the functions of constructor privatization and clone privatization?

What are the functions of constructor privatization and clone privatization?

Levin 2018-11-26 14:25:12 0  1  1026

Explore whether the pointer to the React component instance can be obtained outside the constructor

Consider this React component: importReact,{Component}from'react'classFrameextendsComponent{constructor(props){super(props)console.log('constructor',this)//I want *this* but...}render( ){return<p></p>}}exportdefaul

P粉674876385 2024-04-02 22:07:22 0  1  506

Problem with JAVASCRIPT constructor and prototype pointing to each other? Help! ! !

Recently, I have seen the problem of js prototype, and I basically understand it, but I found a very strange problem when opening it in the console. For example, {code...} enter the code in the control. It stands to reason that {code...} Persion.prototype prototype The constructor of the object poin...

大家讲道理 2017-07-05 10:43:41 0  4  961

7-24 Why can the constructor be directly in the class and output directly to the console?

class Student() {public Student (){System.out.println("This is the constructor")}} class ConstructDemo{public static void main(String[] args){Student s=new Student();System.out .println(s);}} Why "This is a constructor"

ws 2022-09-21 11:30:56 0  1  884

javascript - using constructor in vue

I encountered a problem in the project, and now I created three files to mainly represent it. There is a constructor file calc.js {code...} There is a component file calc.vue {code...} Finally, there is the main file, referencing 2 calc.vue components {code...} The interface is as follows. I put the...

ringa_lee 2017-06-14 10:54:42 0  1  1040

Laravel 5.3 auth check constructor returns false

I'm using Laravel5.3 and I'm trying to get the authenticated user's id in the constructor method so that I can filter the users by a specified company like this: namespaceApp\Http\Controllers;useIlluminate\Foundation\Bus\DispatchesJobs;useIlluminate\ Routing\ControllerasBaseController;useIllum

P粉769045426 2023-10-24 20:03:40 0  2  623

javascript - Instantiation constructor changes content without refresh? ?

{Code...} There are many similar constructors Test1, Test2... in the page. Content is generated through new Test1('I am the content'), new Test2('I am the content') in the page. Please tell me how to modify the constructor. Or other methods can be used to modify the original n...

黄舟 2017-05-19 10:21:12 0  1  512

Will calling a static method directly using the class name in PHP trigger the constructor of the class or parent class?

As the title says, PHP calls static methods directly using the class name. Two questions: 1. Will the constructor of the current class be called? 2 Will the constructor of the parent class of the current class be called?

淡淡烟草味 2017-07-07 10:34:10 0  3  1470

There is no instantiation in the video. Why does the __construct constructor be executed when requesting demo1?

There is no instantiation in the video. Why does the __construct constructor be executed when requesting demo1?

其铭 2020-05-19 10:38:02 0  0  998

Prevent PhpStorm from organizing constructor parameters in tabular format

The parameters of my constructor are written on different lines. When I format the code by pressing Ctrl+Alt+Shift+L, PhpStorm adds spaces to the shorter parameter types so that the columns are equal length. I can't figure out which code style setting is causing this. I want to disable it. Its funct...

P粉113938880 2024-01-03 12:41:39 0  1  543

An error is thrown when importing Javascript prototype constructor in Angular application

I have an Angular application where I'm trying to import a JS file that has a constructor. But when I run the application, webpack throws an error. Javascript file in assets: TestServiceClient=function(arg1,arg2){}; module.exports=TestServiceClient; module.exports.default=TestServiceClient; in Angu

P粉916760429 2024-04-04 11:36:15 0  1  627

Regarding the issue of whether subclasses will automatically call the parent class constructor

<?phpheader("content-type:text/html;charset=utf-8");class nn//This code obviously means that its subclass automatically calls the constructor of the parent class. . . . { public $name; public function __construct() { echo 'I am in class nn

帝释天 2019-04-24 22:19:10 0  0  991

javascript - How to understand the sentence that the constructor is the unique identifier of the prototype? What's the meaning

How do you understand the sentence that the constructor is the unique identifier of the prototype? What's the meaning

phpcn_u1582 2017-05-19 10:14:57 0  1  545

javascript - Does an object have nothing to do with the constructor after it is instantiated? Can I only find the prototype object if I want to modify it?

After an object has been instantiated, if you want it to have new attributes, can you only add them through prototype? Why can't the constructor be modified? Could the reason be that after an object has been instantiated, the existence of its properties and methods has nothing to do with the constru...

阿神 2017-05-19 10:29:49 0  1  569

Why doesn't the URL constructor encode parentheses in the query string?

In JavaScript, the URL constructor does not encode brackets and parentheses when they appear in a query string, whereas encodeURI or encodeURIComponent always encodes them. This confuses me because most sources say to use encodeURI/encodeURIComponent for encoding when you include special characters ...

P粉287254588 2023-09-03 21:05:00 0  1  518

suble.class.php uses the constructor syntax of PHP4, that is, the method name is the same as the class name. This syntax will be used in the future.

The function has been implemented, but it has not been tested in other PHP versions. Dz Application Center customer service said: suble.class.php uses the constructor syntax of PHP4, that is, the method name is the same as the class name. This syntax will not be supported in future PHP versions; ple...

°执着. 2018-11-25 19:19:16 0  0  919

Unable to submit data

出错：function construct()Fatal error: Cannot redeclare construct() (previously declared in

岸上鱼 2021-09-28 00:42:28 0  2  1013

Function() function object in JS

The Object() constructor can be seen as: var Object=new Function(); the Array() constructor can be seen as: var Array=new Function();....Then: the Function() constructor can be seen What to do is: var Function=new Function()?Create yourself? There are also categories...

欧阳克 2017-06-12 09:29:33 0  3  838