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UNION cannot combine two results with the same column

Enter image description here I'm trying to combine these two queries in the same display result, but the Mysql system keeps saying that UNION cannot be at this location. If union doesn't work, how can I combine these two queries?

P粉647504283 2024-04-03 00:23:39 0  1  681

How to display the table value corresponding to its matching id

So, in the query below, I join two tables by order_id and display all values ??from user_orders table. Based on the image below, I try to display only the order_Id rows that match the order_manager table. publicfunctiongetUserOrder(){$sql="SELECTuser_orders.order_id,user_orders.title,user_order...

P粉710478990 2024-02-17 22:00:09 0  1  523

How do I get my image to appear on the page's main display?

What I want to do is receive some photos using NASAAPI. These photos are then displayed on my page's thumbnail and main display. I'm just trying to figure out why the code doesn't get the image from the thumbnail and display it on the page. I also use HTML5 and above version of the template website....

P粉338969567 2024-04-06 15:33:12 0  1  1097

html5 - How to make the background image display in full screen on the mobile phone (the content is relatively long and has scroll bars), ensuring that the image is not deformed?

My mobile webpage needs a background image. How can I make the background image display in full screen without deformation? With my current setup, the background is deformed! Ask God!

為情所困 2017-05-16 13:25:30 0  4  1260

Unexpected output from functions inside React components

I imported two images (IMG and IMG2). The IMG assumes that it displays when the viewport width is less than 600px, and displays another one if the viewport width is greater than or equal to 600px. So I added a function that checks the viewport width and then it returns one of those two images, but t...

P粉614840363 2024-04-03 00:17:44 0  1  559

How to right-align images in HTML tables

I've made a Django website and want to display my results like a little form at the top. There is a table on the left and I want to add two pictures and another column to the table on the right. I have designed a diagram to explain better - enter image description here Now I have written the code fo...

P粉555696738 2023-09-02 09:04:11 0  1  748

CSS row class makes some elements go out of frame, while they should be static and fixed to the bottom of the display

My page currently looks like this. After adding the row class so that the two elements are next to each other, the bottom navigation bar is pushed down to where I have to scroll. Here you can see another page without row elements, where the navigation links are perfectly stuck at the bottom of the d...

P粉156415696 2024-04-03 18:48:12 0  1  614

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  592

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1391

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59 0  4  2944

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34 0  1  1174

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15 0  0  1190

Issues with resending WeChat public account template messages?

For example: I am using PHP to develop WeChat public accounts. If I send a template message, the WeChat client may receive 1-3 messages. I checked Baidu and said that the WeChat server will resend in 5 seconds. How to solve this problem?

飛揚(yáng) 2017-10-11 08:00:11 0  0  1141

How to install php7

我無限黑暗里的小太陽▼ 2017-10-11 09:11:44 0  1  1145

Solve (no language limit)

A census taker asked a woman, "How many children do you have and how old are they?" The woman replied, "I have three children. Their ages multiplied is 36. The sum of their ages is equal to the house number of the segregated room." Census The enumerator immediately went to the ne...

路過 2017-10-11 10:20:08 0  1  1365

There is no WWW file in the phpStudy directory. Enter localhost in the website and the hello world solution will come out directly! I created the WWW folder in the root directory and then created an abc.php. localhost/abc.php still didn't come out and an error was reported. not found

<?phpphpinfo();?>

M..moli瞎 2017-10-11 11:45:27 0  7  5212

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

極世 2017-10-11 12:33:15 0  1  1683

How to uninstall phpstudy.

whlyx 2017-10-11 15:53:03 0  2  1764

An error warning appears when phpstudy enters the database

Hirtdye 2017-10-11 17:12:35 0  2  1622

Problem with bool value output

<?php//In fact, it can be lowercase, but it is difficult to distinguish, so we stipulate that it is usually uppercase define('xiaoxie',true);echo xiaoxie;$hello=flase;echo $hello;?>Why is the output result of the previous code 1? The subsequent output result is false, shouldn't it be 0?

益?zhèn)?2017-10-11 20:37:54 0  1  1720