Easy way to calculate median in MySQL

What is the simplest (and hopefully not too slow) way to calculate the median using MySQL? I've used AVG(x) to find the mean, but I'm having trouble finding an easy way to calculate the median. Currently I return all rows to PHP, sort, and then select the middle rows, but there must be an easy way t...

P粉960525583 2023-08-20 18:05:23 0  2  632

Is the PHP Chinese website Dugu Nine Swords course easy to learn?

I want to learn PHP. I saw this video and I don’t know if it’s easy to learn.

江山 2018-07-14 10:56:21 0  2  1902

Is there a simple and easy-to-understand source code file for downloading the mall? It would be better to have a database.

Is there a simpler, easier-to-understand source code file for the mall to download, which would be better if it has a database? Is there a simpler, easier-to-understand mall source code file for download, which would be better if it has a database? Is there a simpler, easier-to-understand mall sourc...

万般ㄞ莫离 2019-08-24 17:28:38 0  0  1053

I want to buy a server recently. Do you have any recommendations? It should be easy to use and not too expensive.

I want to buy a server recently. Do you have any recommendations? It should be easy to use and not too expensive.

好想睡懒觉、 2018-10-08 17:17:49 0  6  1815

I wrote a website using laravel and want to synchronize login with a discuz forum. Is it easy to use ucenter to achieve this? Has anyone done this?

I wrote a website using laravel and want to synchronize login with a discuz forum. Is it easy to use ucenter to achieve this? Has anyone done this? I hope someone can provide me with an idea. Thank you.

PHPz 2017-05-16 16:56:24 0  1  533

Find a great guy and open the system. The budget is easy to speak and the language is PH.

Open the system budget of Daniel 2. It is easy to speak the best language. PH. Open the system budget of Daniel 2. It is easier to speak the language. PH. Open the system budget of Daniel 2. It is easier to speak the language. PH. Good PH. Look for Daniel 2. Open it. The system budget is good and th...

P粉861087649 2022-03-29 23:28:30 0  2  1017

javascript - In addition to judging UA, is there any other way to judge whether the request comes from mobile or PC?

UA is too easy to be forged. I would like to ask if there are other methods that are not easy to forge to determine whether the request comes from PC or mobile. I temporarily want to (check) a way to determine whether it is triggered based on the window.ontouchstart method, but it seems to be easy. ...

ringa_lee 2017-05-18 10:59:01 0  3  585

Is PHP easy to learn?

phpcn_u153 2017-08-26 14:39:05 0  8  1949

Is lavarel easy to learn?

I want to learn lavarel recently, but I found that there are so few instructional videos for lavarel. Do you have any recommendations?

代码输入中... 2018-03-19 13:35:42 1  5  1511

Why can't I access the backend after I put the thinkphp project into the Mac environment and directly enter /admin in the address bar?

I have added an entry file to the root directory, but it is not easy to use. I have also added an admin directory to the root directory, and the location is written in index.php, but it is not easy to use...

韵青 2017-11-28 14:05:48 0  1  786

PHP calls cmd to execute ffmpeg to convert AMR audio to MP3

It’s not easy to use in PHP. It’s easy to write the command directly in cmd. Even if the permissions are adjusted, there will be no problem. Please help!

小超 2019-03-30 10:58:20 1  4  1263

What code editor does the teacher use?

May I ask what editor the teacher uses? It seems to be very easy to use. . . . . .

手机用户456916610 2018-10-12 20:10:41 0  2  1373

Recruiting php technology

It is required to use SHELL code to write a webshell management. The price is easy to say. For details, contact Tencent 774129792

好米 2020-05-02 04:33:18 0  1  1075

The background is blue sky, white clouds and green grass. Two cartoon people are walking around. Click to have voice chat.

Is this effect easy to achieve?

P粉081862638 2023-06-14 12:54:00 0  0  356

What editor does the teacher use?

What editor does the teacher use in the course? It seems to be very easy to use.

宋捷 2019-01-11 22:58:28 0  2  1444

javascript - How to make dual-core browsers select rapid mode to render pages by default

Is the meta tag method easy to use?

某草草 2017-05-16 13:34:30 0  3  512

Database import and export excel table

How to use code to complete it? Has anyone written something similar? Baidu found those that are not very easy to use and have too many restrictions.

z 2018-09-21 11:17:02 1  1  1053

PHP outputs json, which requires nested arrays and objects.

{code...} The output is {code...} I would like to ask how to change the output to {code...} I have tested that this works, but it is not very easy to use: {code...}

为情所困 2017-06-30 09:55:13 0  2  692

Why is Java not easy to hot deploy?

My question is that I modify the java code, and then the page request is executed, and the server automatically compiles it into bytecode and sends it to the jvm for running. Why do we need to restart the jvm to execute the modified code?

扔个三星炸死你 2017-06-14 10:51:37 0  3  882

Simple, easy to understand, and lively and interesting

looks interesting

A0惠普HP执法记录仪-杜 2019-03-19 13:44:58 0  0  1264