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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17659

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11371

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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Observing state object in pinia does not trigger when object changes

I have a deep object in my pinia state where I want to place an observer. exportconstuseProductStore=defineStore("product",{state:()=>({attributes:{},}),});When there is data inside the object, it looks like this: attributes:{english:{0: {key:"key1&a

2023-08-28 12:14:33

No need to subscribe to Observable, an imperative way to edit reactive form data in Angular

Here's the process I've been using to subscribe and update a reactive form based on observable data. Maybe there is a way to solve the problem without subscribing to the observable and changing the value. @Component({selector:'app-my-component',template:`<form[formGroup]="myForm"><inputformControlName="name"/>

2024-03-29 18:37:15

After sealing the object with Object.seal() in es5, can the properties on the object prototype be modified?

mdn's explanation is that this translation does not affect the attributes inherited on the prototype, but the value of the __proto__ attribute cannot be modified. Then I tested it myself and found that the prototype can be deleted and modified after the object is sealed, and then I did not understand it. Is the expression of this sentence accurate? . . The code is as follows {code.....

2017-06-10 09:49:20

Can PDO result sets output mysqli_result objects instead of regular two-dimensional associative arrays?

Can PDO result set output mysqli_result objects instead of regular two-dimensional associative arrays?

2022-07-20 16:10:19

java - Can the input parameters of Spring Data Jpa update operation be passed in as objects?

For example, the following code {code...} where id and content are attributes of the object Book. Can I define the input parameter as Book, just like {code...} If so, how do I write my update sql?

2017-05-17 10:04:29

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How to use Vue.observable to create observable objects in Vue

Course Introduction：Vue is a popular JavaScript framework that provides many features, including observable objects. An Observable is a reactive object that notifies all components and properties that depend on it when it changes. Vue.observable is a function used to create observable objects. This article will introduce the implementation method and common scenarios of Vue.observable. 1. Basic usage of Vue.observable First, use Vue.ob in Vue

2023-06-11 comment 0 1187

How to Retrieve the Current Value of an RxJS Subject or Observable in Angular?

Course Introduction：Obtaining the Current Value of an RxJS Subject or ObservableIn Angular applications, observables are commonly used to stream data between...

2024-11-04 comment 0 825

How to Get the Current Value of an RxJS Subject or Observable in Angular?

Course Introduction：Getting Current Value of RxJS Subject or ObservableIn Angular applications, it's common to use subjects or observables for data sharing and...

2024-11-03 comment 0 431

In-depth analysis of the observer pattern in PHP object-oriented programming

Course Introduction：In-depth analysis of the Observer pattern in PHP object-oriented programming The Observer pattern is a commonly used design pattern used to achieve loose coupling between objects in software systems. Its core idea is: an object (called an observer or subject) maintains a list of objects (called observers) that depend on it. When the state of the observed object changes, it will automatically notify all observers. . In this way, the observer pattern can implement a one-to-many relationship between objects. When an object changes, all related objects will be notified and can

2023-08-13 comment 0 1415

How to Retrieve the Current Value of an Observable or Subject?

Course Introduction：Retrieving the Current Value of Observable or SubjectThis inquiry pertains to the challenge of extracting the present value from an Observable or...

2024-11-03 comment 0 1054

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