SQL query to get users who are both followed by someone and follow that person

I have a scenario where I want to find users who are following user X and user X is following them. Look at the following schema: Database table with test values ​​We have follower_id and following_id, now let's say we want to check if the user with id23 is following someone and they are also follow...

P粉562845941 2024-03-29 22:20:07 0  1  365

thinkphp batch open window problem

Now I have a batch of resumes in the background. When I click on the detailed information, the personal details will be displayed. Now I select a few more resumes. When I click to open in batches, these resumes can be displayed in a row. In thinkphp How to solve this problem in the framework! ! ! ! ...

高洛峰 2017-06-10 09:47:44 0  3  792

Programmer - Is it appropriate to use Redis to implement the following function?

Hello everyone, I am new to redis. I saw someone on the Internet using redis to implement the follow function. The follow-related data is stored in redis. But I personally understand that redis is suitable for caching and storing hot data. Data such as attention is obviously core data. Why should we...

为情所困 2017-05-17 10:09:28 0  1  907

The hosts file has always

I clicked the other options menu and clicked to open hosts. The opened file was an empty file. I wrote a sentence: 127.0.0.1 www.baidu.com and clicked save. It prompted: The file hosts can also be created. Please confirm the path and file name. is it right or not. Excuse me, what's going on?

享耳 2019-02-18 22:39:02 0  3  1270

nginx - After WordPress binds the domain name, the homepage still displays the IP address, and the WordPress directory problem

lnmp one-click package for servers. Please read the problem description carefully, thank you! Question 1: Bind the domain name, and correctly fill in the WordPress address and site address in the WordPress dashboard->Settings. You can access it normally through the domain name, and the domain nam...

怪我咯 2017-06-24 09:44:31 0  1  1862

The rewritten title is: How to implement automatic closing of submenu in jQuery

I'm trying to create a jQuery dropdown menu for a mobile view. I'm new to jQuery and I'm using Toggle to hide and show submenus. My problem is that when I click on a menu item, the other submenus don't close automatically. For example, if I click menutwo, I want menuone to close automatically. How c...

P粉312631645 2023-09-16 09:10:19 0  2  1123

Can WeChat service account QR code posters be automatically generated?

I am a certified service account. I want fans to pay attention to automatically generate posters and do fan fission》》》Solution @微信 Bang platform generates QR codes for posters. You can click on the menu to automatically generate QR code posters. Follow and automatically generate QR code posters. , s...

whb2010 2019-03-28 16:12:15 1  0  1403

javascript - After multiple buttons are clicked to display different content, how can the content be displayed once and the content clicked on other buttons be hidden?

The airport partition is a bunch of buttons. I want to realize that when I click on Jiangsu, only Jiangsu will be displayed. I don't want the content after clicking other buttons - such as Anhui - to be displayed. At present, I add a click event to each button, and then display the place name; but a...

巴扎黑 2017-07-05 11:08:05 0  4  1204

phpstudy is not accessible using a custom domain name

PHP is installed successfully and can be accessed using 127.0.0.1 and localhost. However, when building a website, it cannot be accessed using a custom domain name. Modifying the two files PHPTutorial\Apache\conf\vhost.conf and hosts has no effect. I have also opened the vhost.conf file. Does anyone...

toSee 2019-01-31 00:06:46 0  0  1006

Instructions for collecting books during the charity live broadcast on the evening of November 2, 2018!

Students who participated in our charity live broadcast last night to deliver books, please be sure to complete your personal information first (note: the mailing address will be based on the information you filled in!), we will send out all the books with SF Express next Friday! Note: The list of s...

z老师 2018-11-03 14:12:07 0  41  18421

Ask the teacher about the weird problem of logging in

Sorry to cause trouble to the teacher, please ask the teacher: "I directly used the teacher's courseware code to test, but when I opened the login page for the first time every day, I successfully logged in and entered the page normally, but when I used logout() (or directly accessed the page t...

弹下弹下 2018-10-11 21:39:31 0  2  1305

WeChat public account configuration applet configuration Tencent Cloud error

Download the official Dome and use the personal version to test it. You can log in to the enterprise account configuration. The following error appears. How to solve it. .

phpcn_u43835 2017-11-27 15:20:45 0  2  891

python - How to select multiple fields in postgresql and only deduplicate one of the fields

Select distinct name, age returns columns with different names and ages. I want to get results like lily 23peter 23. Please solve it.

某草草 2017-05-24 11:35:12 0  1  1137

Using jQuery: Add array index value to output

I'm new to jQuery and JavaScript. Managed to get the following code to work, adding a new text input field based on the number selected by the user from the (previous) dropdown select field. <script>$(function(){varinput=$('<inputplaceholder="Enter a name or title..."type="te...

P粉567112391 2023-09-16 09:54:22 0  1  819

Please give me some advice on how to monitor the mouse wheel event in js and then jump out of the currently running method.

Dear friends: I have a piece of js code that uses the animate method of jquery. I need to monitor the movement of the mouse wheel when this code is running. If there is movement of the mouse wheel, exit the animate method. Please tell me how to write the code. ? Attachment: window.onload = function ...

天空翱翔 2021-10-28 09:20:05 0  4  1028

Myeclipse "The copy project is renamed and republished, and the project name in the address bar is still the original project name" problem

After the project is copied, the project name is changed, but the address bar displayed when running tomcat is still the original. I have tried the following methods: 1. Right-click your project, select "properties", enter "web" in "type filter text", enter the new proj...

我想大声告诉你 2017-05-17 10:02:09 0  2  724

How to prevent multiple domain names from accessing my website in nginx environment?

Through traffic source analysis, we found some problems with entering this site through certain domain names and maliciously clicking on ads. How to block these domain names through nginx rules? {Code...} The above rules are invalid. Please help an expert write a rule.

phpcn_u1582 2017-05-16 17:25:31 0  3  496

An open source clinic software seeks help from experts

This system has a B/S architecture (to be confirmed by the experts). I thought that the deployment of this system would be very simple, but various problems arose during the deployment process. I am now providing the software information in the hope that the masters can set it up perfectly. I just w...

Alsace.TheLichKing 2018-02-19 03:36:49 0  0  1011

Who can install the php environment?

Who knows how to install the PHP environment? I need to install it independently. I don’t want to use an integrated system. If you know anything, please send me an email: 554796849@qq.com. Thank you in advance.

包晓龙 2018-03-31 18:37:34 0  1  1087

javascript - As a beginner in programming, should I use an editor to copy the source code of jQuery or thinkphp?

Beginners in programming, do you want to use an editor to copy the source code of the jQuery library or thinkphp framework? To improve your programming abilities and ideas? I remember seeing a person on Zhihu who did the same thing. Now look for that answer. Not here. Can the experts tell me how eff...

高洛峰 2017-06-05 11:07:36 0  3  606