javascript - How to convert the query result array into the format you want in php, and use js to output it to html in the foreground

The exam type table jx_exam_type can add content in the background. The exam score table jx_result can add content in the background. The exam_id in the midterm exam score table corresponds to the id in the exam type table, that is, whether the added score belongs to midterm or final and then use ph...

某草草 2017-06-07 09:23:20 0  3  766

mysql - Query the unique values ​​of a certain field in the database, sorted by time, how to write it?

The article model is as follows class Article(models.Model): {code...} Query: If there are multiple pieces of data under the foreign key field "keywords", only one piece will be taken. For multiple pieces of data, click_count will be used to select the one with the largest number of clicks...

代言 2017-06-20 10:05:37 0  1  1009

I would like to ask a question about the tp3.2 paging class.

That's it, and now I want to add the content of the comment, I should go to another table to query the corresponding comment content through each piece of data. Then, how should I change the code? What I don't understand is how to perform another query and output it to the view at the same time with...

phpcn_u1546 2017-08-19 14:18:24 0  1  1212

python - In flask-sqlalchemy, how to convert query statements into raw SQL and print them out?

Use sqlalchemy in python flask to create a table as follows: {code...} Now the query results are as follows: {code...} What is obtained is a queryset object. Is there any way to combine all the data in this object? Are all the contents printed? Instead of just getting...

世界只因有你 2017-06-12 09:26:42 0  3  1416

javascript - iview custom column header display content problem (get on the bus, get ready to leave)

Directly above: Requirements: Column headers and content are obtained from the returned data; now there is a problem: when the query result is 7, the data can be displayed (as shown in the picture above); but when it is one result When, there is a problem with parsing; code: {code...} </templ...

学习ing 2017-07-05 10:35:53 0  3  999

java - How does Oracle obtain the next piece of data in a deduplication result set?

This is the query result in the oracle database: {Code...} I can now get a list of examination numbers: Each student number is a hyperlink, connected to the detailed information of this student number; Now how to enter the detailed content How to jump to the next student number page by clicking a bu...

为情所困 2017-05-17 10:04:31 0  4  558

Preview of the teaching course on September 10, 2018: How to implement paging query data table and classification query for class encapsulation in PHP

Preview of the teaching content of the third online class of PHP Chinese website on September 10, 2018: 1. Teaching topic: How to use PHP to implement paging query data tables? Encapsulate classification queries into classes to achieve code reuse. For more detailed knowledge points, please pay atten...

藏色散人 2018-09-10 10:02:37 0  0  1294

If the table does not exist, insert into the table

I have an application where the user can add serial numbers (units) to a circuit. I'm trying to modify an insert query for two tables to check if a cell ID already exists. If it doesn't exist, I want to insert it, but if it does exist, I don't want to insert a new record. I have searched and tried t...

P粉546138344 2023-09-05 15:53:43 0  1  676

Unable to receive information from my mySQL database despite having seen tutorials doing the exact same thing

So I'm trying to make a program that reads and writes to a MySQL database, which led me to a YouTube tutorial. My problem is that despite going through the exact same process as the guy in the tutorial, I end up with an empty server despite what should be popping up. My code is as follows, it should...

P粉757640504 2024-04-03 14:46:04 0  1  461

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 0  1  852

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 0  1  741

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 0  1  633

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 0  1  603

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 0  1  1019

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 0  1  521

Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

P粉151466081 2023-09-05 11:58:38 0  1  717

Spades, Diamonds, Hearts, Clubs => styles do not change font color in Chrome for Android

In Google Chrome on Windows, the card suit symbols (spades, hearts, diamonds, clubs) are colored correctly using the "style" attribute. Unfortunately, the same page displayed in Google Chrome on Android does not display the colors I defined but uses the default black and red. (See the atta...

P粉896751037 2023-09-05 15:25:13 0  1  768

How to hide mui TextField label?

I'm developing a Nextjs app and I have a dashboard navigation bar built with mui that contains a notification that opens the notification box, which is built with regular HTML and CSS. dashboard-navbar.js: importNotificationBoxfrom"./notification-box/notification-box";//...exportconstDashb...

P粉239164234 2023-09-05 15:41:00 0  1  697