javascript - After editing the js page, I want to perform some operations on the data traversed from the database. For example, if the gender is male, the font will turn red.

After editing the js page, you want to perform some judgment operations on the data traversed from the database. For example, if the gender is male, the font will turn red. Move the mouse over the name to see his profile. Note: The profile exists in the database.

大家讲道理 2017-05-19 10:29:23 0  2  501

After cross-class call, method cannot be found

Do static method overloading to achieve chained access to the database exercise demo5.php references the Query.php class and then accesses the method in Query. The page prompts me that the method 'table' is not found in the Database. The following is the source code. I hope it can help. The first er...

方人胥 2021-06-12 17:16:18 1  2  902

javascript - How to implement this set of data to be classified and displayed by alphabetical list without changing the data structure

{code...} is classified according to the letters A B C...list such as {code...} similar link description how to operate this set of data. . {Code...} How to sort, I found that the page is unordered, it is the unordered characteristic of js objects!

给我你的怀抱 2017-05-24 11:36:52 0  2  579

Can this database operation also be performed using mysqli object-oriented operation???

张 2018-05-04 15:39:13 1  0  1146

When inserting data encapsulated by the PHP class, the insertion is always unsuccessful and false is returned;

<?php //Database operation class class Model{ Private $host; //Database address Private $user; //Database username Private $pwd; /

A _ Ｑ _ｉ_ 2021-10-13 10:21:27 0  6  1038

How PHP interfaces actually change the behavior of classes

According to the PHP documentation, object interfaces allow you to create code that specifies which methods a class must implement without defining how those methods are implemented. So, the interface is like a class with predefined methods, which still need to be accessed using -> notation. Howe...

P粉289775043 2023-09-02 23:49:28 0  1  632

syntax - C++11 thread calls member function of object

If you drop a member function of a class, it's probably like this. {Code...} But what if you want a specific object of this class to perform this operation?

迷茫 2017-05-16 13:22:21 0  2  1088

How to use mysqli to determine whether a MySQL database exists in PHP?

How to use the mysqli statement in PHP to accurately determine whether a MySQL database exists? In addition, how to determine whether a table in the database exists? In addition, what do the two styles provided in the official PHP documentation mean? Object-oriented style and process-oriented style....

淡淡烟草味 2017-06-14 10:49:52 0  1  1079

SMProxy, a MySQL database connection pool developed by Swoole based on the MySQL protocol.

SMProxySwoole MySQL Proxy is a MySQL database connection pool developed by Swoole based on the MySQL protocol. The principle is to store the database connection as an object in the memory. When the user needs to access the database, the connection will be established for the first time. Later, inste...

子山 2019-01-29 14:50:17 0  0  1383

How to receive and collect a passed object from another function in JavaScript?

I have a function, let's call it GetData(). I get the data from a query in another function and run an ajax call to populate the data. Once this operation is complete, I send the data to another function, let's call it PlaceData(). Each ajax call to GetData() puts the data in an object. I then send ...

P粉413704245 2023-09-15 13:12:20 0  1  650

Unable to read Firestore DB from custom npm package using Firestore object passed from application

I'm trying to write my own npm package that uses a Firestore database. I initialize the class from the package using the Firestore object passed from the application: import{firestoreTest}from'my-package'constapp=initializeApp(firebaseConfig)constdb=getFirestore(app)consttest=newfirestoreTest(db) Wh...

P粉064448449 2023-09-10 19:49:11 0  1  558

Query json object like mongo syntax

I have a large json object from which I need to query matching data based on conditions. How does native js operate like mongo syntax?

迷茫 2017-07-05 11:09:05 0  1  979

How to access properties inside PHP?

Follow up on the basis of this document: https://www.php.net/manual/en/language.oop5.references.php A key point of PHP object-oriented programming that is often mentioned is that "objects pass by reference by default transfer". This is not entirely correct. In PHP, object variables do not ...

P粉518799557 2023-09-05 18:50:40 0  1  624

PHP object-oriented cannot read mariadb

PHP is written in an object-oriented way, why can't the data be read in the select with where (>ω<). &nbs

仰望星空 2020-06-05 15:20:11 0  1  1098

Page error, please try again later

Teacher, I followed your operation step by step. When I encapsulated the database access class, the web page prompted: Page error. Please try again later! I assign simple numbers to $res and it can be displayed normally.

奋斗 2018-12-04 22:49:33 0  2  1408

Embed cross-domain SVG content documents using the object tag

Is it "legal" to have an SVG that contains data from an external domain, i.e. (data="//da86ge957603k.cloudfront.net/rails/grafitti_logo-f4e8238a87c979c0cf5b41481c982b71.svg") and then bind the load event to the object and then access it via the contentdocument attribute SVGDOM of...

P粉393030917 2023-10-31 18:04:21 0  1  945

Cannot read property of undefined error: Wrong class binding type for Vue bound object property

I'm trying to bind a class based on an object property, but when I click on the list object to trigger the @click, the console tells me that the object property of isSelected cannot be read... I'm trying to use a function on a dynamically rendered list item to Receives the id of the item and trigger...

P粉617237727 2023-08-26 23:55:21 0  1  623

[Must-read for front-end job hunting] Selected front-end development interview questions and answers_Outline

Front-end development interview knowledge points outline: 1. HTML&CSS: Understanding of Web standards, browser kernel differences, compatibility, hacks, basic CSS skills: layout, box model, selector priority and use, HTML5, CSS3, mobile terminal adaptation 2. JavaScript: Data type, object-ori...

天蓬老师 2017-11-13 12:02:37 1  3  1615

symfony - How to use $this->get non-bundle in your own newly created class.

I am using edusoho. It is developed based on symfony2. There is a service folder in it that provides operations on the database (not the service in the configuration file in symfony2). This service is not a bundle and is not registered in registerBundles. In fact, there are many custom installations...

我想大声告诉你 2017-05-16 16:43:43 0  2  507

Validation rules for laravel form form validation

In laravel, when verifying whether fields are repeated, the following {code...} is verified. unique:users queries whether there are duplicates in the users table; but this is an operation on a single database; and what the current system needs to verify is not what I want. Database {code...} In data...

怪我咯 2017-05-16 16:55:44 0  2  558