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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

PHP implements file uploading to a specified folder, and the file path or name is stored in the database. How to achieve this?

PHP implements file uploading to a specified folder, and the file path or name is stored in the database. How to achieve this?

2018-09-26 01:40:34

PHP operates the database through steps to register a user

PHP operates the database through steps to register a user. In this tutorial, the connect.php code we implemented is as follows: The code below this line shows failure after registration. The ID inserted by the current user is 0. What is the problem with waiting for the enemy?

Xn 2019-08-03 22:59:37

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

How to use PHP to query database content and solve

Use PHP to interconnect with the database to realize PHP query of database content.

L W 2019-04-16 15:14:55

promise.all mongoose operates database - Stack Overflow

Use Promise.all([p1, p2]) to operate two promise functions. Both functions use mongoose internally to operate the database. If p1 is rejected and p2 is resolved. My question is, p2 has actually performed an operation on the database, is that so, or...

曾经蜡笔没有小新 2017-06-15 09:22:14

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

TP5 provides it. What is the purpose of encapsulation here?

tp5 provides database operation classes. What is the purpose of encapsulation here?

rebirth 2019-03-05 20:42:43

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

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

mysql - How to make the sql of the java project compatible with the sql syntax of multiple databases?

How can SQL statements in Java projects be compatible with multiple databases? The project belongs to the product category and it is not confirmed which database the user uses. We use db2 during development, but if we encounter an oracle database, sql will fail. I don't know how to achieve compatibi...

PHPz 2017-05-18 10:45:51

php - When laravel defines the same attribute of model and table, this field cannot be updated.

In order to facilitate the operation of attributes in the model, the fields in the database are directly defined as attribute names. These fields cannot be updated during update. This uid field in the database cannot be added.

代言 2017-06-13 09:21:48

Updates to multiple databases - mysql

I'm new to mysql. I have a list of 10 databases containing the same table structure. The same table needs to be updated for each database. Is there an option to do it through phpmyadmin without selecting each database? Or is there a function similar to: USELIKEgc%?

P粉129731808 2023-08-27 11:15:21

Looking for symfony 1.4 propel method to operate multiple databases

Looking for symfony 1.4 propel to operate multiple databases. Practical methods are not required. Do not copy from the Internet. You must operate successfully by yourself. I hope there are detailed step-by-step instructions. Thank you so much!

漂亮男人 2017-05-16 16:45:23

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

How to use redis in tp5.1

I taught myself tp5.1 and redis but I don’t know how to use them together. For example, how is snapshot technology implemented? After storing data, how can we implement paging function like operating a database? Can anyone provide a tutorial link?

凡人 2019-12-22 22:41:23

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

mongodb有没有类似pouchdb之于couchdb的离线数据库？

CouchDB有一款第三方的离线数据库pouchdb，app离线后也能操作，上线后能同步到CouchDB中，mongodb有此类解决方案吗？

给我你的怀抱 2017-04-27 09:02:37

How to display continuous values in groups? Please give me guidance and help from teachers.

It's not a database operation, it's a php operation. For example: $a="1,2,3,4,5,6,7,8,9,10,11"$b="8,9,10,11,12,13,17,18,19, 20"$c="10,11,12,13,14,15,16,18,20,21,22,23,24"Required results$a="1-11"$b="8-13 ,17-20"$

JD26 2020-04-22 08:53:13

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