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How to connect mysql or mssql when building php8.0 on debian11

In mac, use docker to build a development environment, nginx+php8.0, and you can already access the website. Now the databases mysql, mssql and other databases built by docker can be successfully connected using Navicat, but to connect to php on the web page, you need to install apt- get..., and the...

大笨牛 2023-11-20 21:22:36

java - Spring operation database displays garbled Chinese characters?

Operating system: ubuntuIDE:idea Database:Mysql When I use php to operate the database, there is no problem with Chinese display, and Chinese can be displayed normally: But when I am learning spring, when I operate the database, question marks will appear in Chinese, and it cannot be displayed norma...

我想大声告诉你 2017-05-16 13:29:37

MySQL: Access denied to user 'test'@'localhost' except root user (password verification: yes)

I'm having a problem using a non-root/admin user of mysql, I followed the steps below to create the user and permissions, please correct me if I'm doing something wrong: I'm installing mysql on RHEL5.764bit, the installation package is as follows, once I'm done rpminstall, we will use mysql_install_...

P粉080643975 2023-08-21 13:05:31

python - pymysql reports error 1146 The xls table failed to import into the database. I don't know where the problem lies.

Python 4.3.0 defines a class to operate the local database, and then defines two functions to import the corresponding two tables. The strange thing is that the first function input_HA() can be used and the form is imported successfully, but the second input_ImpactList() does not work. Can anyone he...

漂亮男人 2017-05-18 10:55:11

Can PHP directly call functions in a class without using new?

I have to do something new every time, which is very unaccustomed. Can I use the functions in the class directly? The purpose of using the class is to look at the static attributes inside, so that when operating redis or mysql, automatic connection and connection reuse can be realized without the ne...

只争朝夕 2022-12-23 12:12:24

javascript - Can I use setAttribute/removeAttribute to add or delete class names?

In a group discussion about the operation of class names in native js, someone suggested that the setAttribute and removeAttribute methods can be used to operate class names. I felt very puzzled: I thought there were only classList.add() or classList.remove(). Methods can solve this need, but someon...

过去多啦不再A梦 2017-05-19 10:46:49

In Node.js, Inquirer exits before I make a selection

I'm trying to write a command line application that uses an interrogator to display and ultimately update a mysql database. When I use mysqlshell, my database files seem to be in order, but when I try to connect to my database and manipulate it through the queryer, I seem to have issues. So far it w...

P粉947296325 2024-02-03 17:05:20

How to select multiple classes with the same name in JS

I use PHP to dynamically render these lists I get from the database, each list has the same class and since I can't change it, it renders dynamically. I select these classes via JavaScript and create an event on click to open and close them using the hidden class. Now I have a problem, this event wo...

P粉005134685 2024-03-26 17:46:43

Return value of transaction commit?

Db::commit() can use if (Db::commit()) {Operation only if MySQL operation is successful}

不屑一顾 2018-05-10 17:44:41

How to build cross database query in PHP?

In our last episode (How to Build Cross-Database Queries in MySQL), I learned how to build cross-database queries in MySQL. This worked great, but when our hero tried to use this newfound knowledge in PHP, he found that his best friend failed. I looked into PHP's mysql_select_db. This seems to mean ...

P粉197639753 2023-10-22 11:40:00

Help me restore the PHP shopping cart code to the database

https://www.cnblogs.com/xuan584521/p/6522385.html I found this on the Internet. I don’t want to use session to save locally and want to change it into a database with the ability to submit orders to the database so that it can be used on any computer. You can see the items in the shopping cart. I am...

『最美的时光』 2019-03-12 20:39:38

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

python - Can I still use modles.py to operate mysql after using pymysql in django?

My environment is: Python3.6 + django1.11.1 + mysql. I use pymysql. When I learned it before, I used sqlite3. Now I use pymysql. Should I still create tables by defining classes in models.py? Why do I write like this and then execute {code...} and it doesn't work in mysql...

扔个三星炸死你 2017-06-12 09:23:48

phpstudy cannot connect to the database remotely

Hello, I found that phpstudy cannot connect to the database remotely. When I used navicate to connect, it reported an error: 1130: host... is not allowed to connect to this mysql server. Normally, just change the permissions on the command line. But when I connect cmd to mysql, I also get this error...

冬子 2017-09-02 16:08:07

Docker Compose - Connection to Phpmyadmin and MySQL not working

I need an easy way to create an environment containing PHP, NGINX, MySQL and phpmyadmin using Docker-compose. I have successfully created a PHP environment using NGINX. Now I want to add a database with MySQL and phpmyadmin. These two components don't seem to work. For example, I cannot access phpmy...

P粉615886660 2023-08-28 09:00:04

PHP automatically performs the login operation after discovering that the login has expired, and then continues the previous step.

Conditions: There is a third-party website, and every step of the operation needs to be logged in. Now I have built a simple front-end page and used PHP to make a springboard in the middle. Process: Every request on the page I built is transmitted to the PHP springboard through ajax, and then the PH...

暖暖橙 2022-06-13 15:06:16

Error while trying to build a controller in ASP.NET Core 6 Web API - Visual Studio 2022

I have created a new ASP.NETCore6WebAPI project and I am using an existing MYSQL database. I successfully set up the model and context from the database without any issues. But when I try to scaffold the controller, either using Add->Controller->API->API Controllers and Actions, using Entit...

P粉006977956 2024-02-25 14:41:18

How to export partial rows of a MySQL table from WHERE clause?

How to export certain rows of MySQL table using where clause from PHP script? I have a MySQLsay test and I want to use a PHP script to create an importable .sql file for rows with ids between 10 and 100. I want to create a sql file test.sql which can be imported into a MySQL database. My code: $con=...

P粉054616867 2023-10-21 11:41:17

Mysql: "The connection attempt failed because the connecting party did not respond properly after a period of time"

I have a project using AspNetMVC4.5.2 and Mysql database. For a few days, my project started getting errors from Mysql. Everything is going smoothly in the project, but whenever I do some operations on Mysql workbench (like indexing or adding rows and .s to any table), my project immediately gets th...

P粉291886842 2023-09-21 14:59:55

Sum a specific range of numbers in a column using MYSQL

I have a slider that calculates the BPM of a song. Range is 15 to 300bpm. It uses php language to connect to MySql database and when I press edit button I can change its value. For example from 50 to 55bpm. table=users|columns=song_one.

P粉821274260 2023-09-04 19:06:25