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At the end of the article modification chapter, I changed add() to save(), but it still showed that the article modification failed. Please teach me how to change it. Thank you.

At the end of the article modification chapter, I changed add() to save(), but it still showed that the article modification failed. Please teach me how to change it. Thank you.

震惊！这个男人竟然在学校有... 2017-05-29 10:55:59

Updates a cell in a specified row and unspecified column with content containing a specific string

I have a table with the following columns: name-course1-course2-course3. The two rows look like this: John-physics-math-artSara-math-chemistry-psychology Now that John has been kicked out of math class, I want to replace "math" with "none" in his row. When I looked for a solution...

P粉197639753 2023-09-05 00:22:58

The corporate website had back-end management before. Now it is necessary to modify the website and download the website source code from the server with PHP. Now I want to modify the website, how to run the PHP file on this machine to see the effect?

The corporate website had back-end management before. Now it is necessary to modify the website and download the website source code from the server with PHP. Now I want to modify the website, how to run the PHP file on this machine to see the effect?

浮生未歇 2017-12-14 14:01:00

When NGINX load balancing starts a server node in the background, it can be accessed normally. When starting the two application service nodes in the background, it can only access the login interface. After successful login, it cannot go to the next page.

When NGINX load balancing starts a server node in the background, it can be accessed normally. When starting two application service nodes in the background, it can only access the login interface. After successful login, it cannot go to the next page. Please analyze and answer.

ringa_lee 2017-05-16 17:27:00

php - mysql supports emoji expressions?

Before the modification, the mysql encoding was all utf8. After modification, the following figure is shown: Then copy the string with the expression below into the record through navicat, and keep talking about grandma.

曾经蜡笔没有小新 2017-07-05 10:01:56

Why doesn't my iframe load in this snippet?

So I have a little piece of code here that detects whether it's a mobile browser or a desktop browser. This function works, but I tried serving different iframes depending on the browser, but the iframe didn't load. Please help fix it! <html><body><script>/*Store user device inform...

P粉514458863 2023-09-15 11:06:40

Laravel uses ajax to submit this form. How should the controller code be written?

Use ajax to submit a set of forms, which contains an image. Originally, it could be successfully saved to the database when submitted without ajax. However, because the image needs to be compressed before uploading, it was changed to ajax submission. The ajax request was sent successfully, but it co...

phpcn_u1582 2017-05-16 16:54:07

Every 3 elements wrap a parent element

I just want to wrap a div with the slideshow class around every 3 divs with a class for search audio. One error I got was that it said elem.parentElement is undefined... so this part works fine... constaudioBlocks=document.querySelectorAll('.search-audio');constslider=document.querySelector(' .slide...

P粉211273535 2024-04-02 13:11:31

git ignores files. When ignored, it can be cloned but cannot be submitted.

1. I created a basic version, which contains the config directory, which contains the user's personal information. 2. I want colleagues to clone this project and include the config directory, but the contents of the modified config directory cannot be submitted.

迷茫 2017-06-05 11:08:47

php - Reuse of tp3.2 templates

When using thinkphp3.2, most of the pages with additions, deletions, modifications and searches are basically similar. But it needs to be modified one by one, modifying the list fields, modifying the addition, and editing forms. Repeating the work needs to be done many times. Are there any good idea...

黄舟 2017-07-03 11:41:24

Decryption - How to use python to decode some Chinese garbled characters?

When using Excel in English win10 to open a csv file containing Chinese characters exported from other software, the Chinese characters become garbled. If I use python, can I decode it into correct Chinese characters? What should I do?

迷茫 2017-07-05 10:35:24

Change color of text field labels in MUI

Hi I'm having trouble changing the text label color in a MUI text field. I have successfully customized the border color and hover state (including the label), I just can't change the label color in the non-hover state. I've tried various class names found in the DOM (including MuiInputBase-input), ...

P粉860370921 2023-08-26 17:15:52

About merging two regular expressions in javascript

When using karma for code coverage testing, I removed main.js {code...} and later added a style folder, which contains scss files. I also want to remove this folder {code...} {code ...} The two separate regular expressions seem to be correct, but they are not as expected when connected together with...

世界只因有你 2017-06-12 09:28:45

win8.1 phpstudy cannot set the site path

I am using the latest version of phpstudy2018, which has been updated, but when I set my site path, it always displays hello world. This page is the index.php file in the directory that was just installed. It is not what I want to debug. The pages of the website. This is the interface no matter how ...

牧云软件园 2018-07-04 16:21:51

javascript - Traverse and modify <td> tags

jquery version: 1.8 The original code {code...} was changed to {code...}. I tried adding id="img" to <td>11,12</td>, but $("#img") failed. eq(1).html() cannot obtain the content of the second line. {Code...} I am not very familiar with jQuery and I hop...

仅有的幸福 2017-07-05 10:57:16

Rails: Truncate HTML tag text while preserving link text during database column truncation

I have a database column called comment that stores comments containing HTML tags. To shorten large texts and display them completely in a popup window, I used the truncate(comment,length:50,escape:false) function. Let us consider two examples: Example 1: The comment column contains the following pl...

P粉896751037 2023-09-12 19:18:11

python - github: An input and output program code. I just changed the data in the tsv file. Why can't it be output and a UnicodeDecodeError occurs?

I copied a complete input and output code program that could be run, and then I modified the data of the tsv file. The original data was as follows and I modified it to the picture below, and then it could not be run, and the following error occurred. How can I correct this situation? ? ?

滿天的星座 2017-06-15 09:21:21

How to import SQL files using command line in MySQL?

I have a .sql file containing exports from phpMyAdmin. I want to import it into a different server using the command line. I installed WindowsServer2008R2. I put the .sql file on C drive and tried this command database_name<file.sql it doesn't work. I'm getting a syntax error. How can I succe...

P粉459578805 2023-08-23 10:46:22

javascript - How to filter out hidden files in a folder when dragging a folder to upload

When using the jQuery-File-Upload plug-in, you can drag files or folders to upload. When dragging a folder to upload, all files (including hidden files) are uploaded by default, but the requirement is not to upload hidden files. For example, there are 6 files in this folder, 3 of which are hidden...

阿神 2017-05-19 10:44:58

MySQL gets data from multiple tables

I have a eg_design table which contains the following columns: and eg_domains table which contains the following columns: and eg_fonts table which contains the following columns: Now based on $domain_id I want to get all the data from the eg_design table, some from the eg_domains table data as well ...

P粉092778585 2024-04-06 18:42:44