The Linux system does not support PHP operations to access the database. Can you please advise on other solutions?

The database of Windows computer software is accessible. If you want to share data, upload the database mdb file to the web server through php, and then php reads the mdb database into html. When the web server is windows, the test is normal. The Linux system does not support PHP operations to acces...

forever 2017-10-31 14:35:35 0  1  1035

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 0  1  1282

php - How to implement a scheduled task to operate on data in the database?

I am currently developing a project using the laravel framework. The project requires some data. The required data is obtained by performing associated queries, calculations, and processing on dozens of tables in the database. Due to the large amount of data, the company requires writing a scheduled...

PHPz 2017-05-27 17:42:05 0  8  1209

javascript - For a website that requires login, what operations are generally performed to save the login status after pressing refresh?

I just got started, and I don’t know much about user login. Suppose the user has logged in successfully and entered page A. If he refreshes the page, the data on the page will be lost. What operation should be performed to save his login status? Because the data in page A needs to be obtained using ...

PHP中文网 2017-05-19 10:26:15 0  5  705

node.js - How to operate Mongodb in node project? Is my approach feasible?

This is the first time I came into contact with the node project. I used the node-mongodb-native module officially provided by mongodb to connect and operate mongodb. I connected the database in the entrance app.js, but I want to operate the database elsewhere. Here is what I do: {code...} I put the...

女神的闺蜜爱上我 2017-06-10 09:48:03 0  1  691

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 0  1  527

I would like to ask if PHP can read the mssql record set directly and store it directly into an array? Thank you

It used to be asp, but now it is transferred to php. For example, $sql = "SELECT * FROM abcDB"; //Record 20 records. How to get a two-dimensional record set and store it in an array at one time. Reason: After the database operation is completed, I want to disconnect. The data is slowly cir...

stock2 2019-04-27 20:02:10 0  1  983

jsp, servlet, dao implement MVC architecture where generally everyone closes the database connection

There are two main problems with a model like JSP+Servlet+Dao without using various frameworks. 1. In theory, Dao is responsible for the database, so all operations with the database (including closing connections, statements, and resultssets) should be completed within dao. . But sometimes in a ser...

为情所困 2017-05-16 17:06:07 0  1  582

Please tell me a basic practical question.

The PHP operation database is completely fine when tested locally, but when uploaded to the Alibaba Cloud virtual host, an error occurs. Ask for solutions.

笑该动人 2018-07-31 16:46:32 0  1  912

Insert WordPress's custom post type data into the existing wp_posts table.

I've created a plugin that operates on the existing wp_posts table in the WordPress database. To do this, I created the code for the plugin which adds 3 fields to the existing database when the plugin is activated and removes these 3 fields from the existing database when the plugin is deactivated. ...

P粉811329034 2023-07-28 16:24:13 0  1  385

java - Distributed transaction processing solution

Do you need distributed transactions when deploying hibernate on multiple web servers to operate the database? Will there be any problems using the traditional stand-alone method to access the database? How does the industry deal with this problem?

女神的闺蜜爱上我 2017-06-23 09:14:37 0  1  1242

Why does cron link cause delayed response time when it works multiple times?

There is a php function that performs some database and curl operations. I use a url to run this function. Right now I'm running it manually, but in the future I'll tie it to a cron task. My problem is this. For example, I have a url like the following. domain.com/crons/update_account_data?token=xxx...

P粉132730839 2023-09-08 09:00:15 0  1  590

There are a lot of backslashes in the data stored in json format in Navicat for mysql. How to remove them?

When using mysql's json operation, it will be interfered by escape characters, and it is normal to read it. I want to save it in the database without a bunch of backslashes.

巴扎黑 2017-06-06 09:52:07 0  3  1482

Should python use pickle or csv in this situation?

I have many hundreds of M CSV files on hand to store some data, and I often need to use pandas and matplotlib to read and plot these data. Before drawing, it is usually necessary to perform preprocessing, slicing and other cleaning operations. Because figures need to be interacted with and reported ...

给我你的怀抱 2017-05-18 11:00:47 0  2  867

Eliminate TypeScript errors when flattening nested objects

I'm making an edit form for my company and someone on my team decided to change our API payload return format without consulting other team members, and now we're trying to catch up. Since the API call we need to post the value back to the database is not set up as a nested object, I need to flatten...

P粉388945432 2024-01-10 18:05:39 0  1  625

symfony - Unique Constraint How to determine that the same data already exists before saving?

{Code...} I only check whether there is already the same data in the current database, but there are already several data that are the same in the data being inserted. So during the insertion operation, the following information is given: An exception occurred while executing ' INSERT INTO workflow ...

大家讲道理 2017-05-16 16:44:44 0  2  787

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 0  1  883

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  496

java - I have a hql question and it has been frustrating me for a day.

@SuppressWarnings("JpaQlInspection") {code...} This is my hql for operating the database @RequestMapping(value = "/summary",method= RequestMethod.POST) {code...} Here is the call I made yesterday It can be used at night, but I don't know what to do today...

高洛峰 2017-05-16 13:23:28 0  3  443

Reasons for Chinese garbled characters in MySQL database

This is the statement for creating a table in my database. This is the garbled picture of my database query. What is the reason?

阿神 2017-05-18 10:54:52 0  7  848