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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

redis - sails有不通过orm直接操作数据库的方案吗?

需求是通过redis做一个缓存services但是在config/connections.js下配置的数据库似乎只能用于orm不知道有没有现成的方案可以直接操作redis数据库 ======================= 分享一下node原生redis库操作 {代码...}

迷茫 2017-04-24 09:12:38

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

memcached - redis或memcache缓存操作类封装有哪些点需要注意?

新公司在用lumen重构做微服务api框架,上面安排在lumen原有基础上再封装一套缓存操作的类库,想问问这方面有什么需要注意的. 目前架构师给的建议有未连接上redis或者memcache时取真实数据 get获取缓存时候检测是否...

習慣沉默 2017-04-26 09:02:05

How to solve the following problems

ORA-01589: must use RESETLOGS or NORESETLOGS option for database open. The ORACLE database virtual machine was cloned. The database was not closed during cloning. When the cloning was completed, an error occurred and the database was enabled and could not be started. Reason: The database stopped abn...

薛冬冬 2021-04-07 16:53:00

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

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

Open source PHP novice entry-level framework WillPHP (similar to ThinkPHP)

WillPHP is a lightweight development and learning MVC framework, an entry-level framework for PHP newbies (similar to ThinkPHP). ###Lightweight and extremely fast size 211KB (uncompressed), 22 initial files loaded (15 with page cache enabled), memory overhead <100KB. ###Main functions: automatic ...

P粉605904125 2022-07-23 16:30:16

c# - How does the Find() method in MongoDB.NET return the value of the specified field?

Using ASP.NET MVC5, I want to filter and read specified data from mongoDB based on conditions, similar to select fields1, fields form table where name='123' in a relational database. How should I write a return when operating mongoDB in .NET? Methods for specific fields? ...

高洛峰 2017-05-02 09:22:44

Display json type data in blade

Displaying json type data in blade I have a table in my database which stores data and one of the data is of json type, everything is going fine but when I want to display these json in blade the problem starts which is My json data type [![Enter image description here][1]][1] In my blade I use php ...

P粉064448449 2024-03-22 12:05:15

I have the front-end source code, but I don't know how to connect it to the back-end.

I want to develop a backend management system, similar to cms. There are more than 1000 html files. I want to convert them into php or stored databases, but I don’t know how to operate them. I tried to transfer these files to the WordPress theme yesterday and failed many times. I want to Please tell...

P粉932382659 2022-05-24 16:47:40

Get and display user information from the database: when someone visits the URL https://example.com/{username}

I have user information in database table. When someone visits the URL https://example.com/{username}, I want to get the user's information from the database and display it on the page. But I'm confused on how to accomplish this since the https://example.com/{username} page doesn't exist. I'm using ...

P粉919464207 2023-09-16 15:03:44

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

Possible solutions to slow left joins in complex doctrine queries

I have a symfony repository method that fetches a fairly complex dataset which is then placed in a CSV file by an export manager class. I don't want to put the entire code that handles the export job, but I managed to pinpoint the point at which the query slows down, so my question is about any othe...

P粉517475670 2023-09-02 18:55:02

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21