I feel that php is difficult yet simple

The tutorials on the Internet seem simple, but sometimes I don’t understand it when I look at the source code.

宸墨诚星城拾光 2018-09-18 14:38:14 0  1  1092

javascript - Is there a simple way to write it?

styleArr = data.items[0].companys_self_type_styleid.split(',')matArr = data.items[0].companys_self_type_matid.split(',')fieldArr = data.items[0].companys_self_type_fieldid.split(',' ) Is there a simple way to write

我想大声告诉你 2017-05-19 10:27:40 0  4  575

Simple way to calculate median with MySQL

What is the simplest (hopefully not too slow) way to calculate the median using MySQL? I'm using AVG(x) to find the mean, but I'm having trouble finding an easy way to calculate the median. Right now I'm returning all the rows to PHP, sorting, and then selecting the middle rows, but there must be so...

P粉720716934 2023-08-29 11:47:07 0  2  936

How to print simple array in Laravel

The output of laravel's built-in printing dd() is a bit hard to understand {code...} How to output a simple array like print_r? {Code...} print_r prints the output. This redundant message will appear. How to simplify it? {code...}

PHP中文网 2017-05-16 16:54:55 0  2  549

Java uses the simplest if to determine whether the date is early or late

The date consists of three int data, namely year, month, day. You cannot use any function, just use the simplest if to judge. Does anyone have any simple method? Conventional: If is nested inside if, if year is equal, judge month, and then judge day directly as year1000000+month100+day. One if can b...

给我你的怀抱 2017-05-17 10:08:33 0  2  738

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  655

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  1077

A simple Hello world program creates multiple node instances

I'm very new to Javascript and NodeJS. I am running a simple helloworld program as follows: 1constdurationInSeconds=10;console.log('HelloWorld');setTimeout(()=>{console.log(`Programhasbeenrunningfor${durationInSeconds}seconds.`);},duratio

P粉496886646 2024-04-04 11:03:22 0  1  527

View-Simple data binding-Can array types be bound?

View-Simple data binding-Can array types be bound? Binding variables can directly access numbers. Can this change be merged into an array for binding?

A大奇 2019-09-29 20:48:09 0  0  1127

I have never used thinkphp. I took a quick look and found out why I saw the shadow of laravel in thinkphp5.

I have never used thinkphp, but after a brief look, why do I see the shadow of laravel in thinkphp5? Does your company use thinkphp?

伊谢尔伦 2017-05-16 13:15:54 0  1  508

javascript - Please recommend a jquery slider plug-in, the function is very simple

I need such a slider plug-in. It is very simple, but I have been searching for a long time on the Internet and cannot find a suitable one. Please recommend one. You can rely on jquery, but do not rely on jquery ui and other libraries.

某草草 2017-05-19 10:35:24 0  4  740

Problem resizing simple boot cover template

I can't find a way to slightly increase the width of the bootstrap cover template. Increasing the size in css to @media does not change anything. I guess this is simple but I don't know how to do it. Sorry for my incompetence!

P粉872182023 2024-01-29 14:33:34 0  1  515

Add total weight of simple and variable products in woodmart mini cart widget

I'm using Woodmart theme and mini cart widget and I want to display total weight and total price of simple and variable products. So I modified the code but it doesn't work and has the following issues: 1. (Total Weight): When a simple or variable product is added to the cart, the total weight is di...

P粉447495069 2023-09-05 00:18:25 0  1  692

javascript - Is there any tool that can automatically add prefixes to css3 styles? It needs to be the simplest one and doesn't know sass less.

Is there any tool that can automatically add prefixes to CSS3 styles? It should be the simplest one. I don’t know Sass Less.

给我你的怀抱 2017-05-16 13:27:26 0  4  702

javascript - Is there any simple js that can be used to zoom in and out by clicking on the image?

I want to use a js that can zoom in and out of images in html. It is best to use two kinds of images, one big image and one small image. Is there a simpler image sharing function for the mall's comments? I don't know.

習慣沉默 2017-05-19 10:47:30 0  2  774

What happens during HTTP form submission?

I developed a simple HTTP server myself, but it gets stuck every time the form is submitted. . Can anyone help me figure out where the problem is? This is the content of my form, which is a very simple three input boxes {code...} I encapsulated the socket input stream in this bufferReader, and then ...

过去多啦不再A梦 2017-05-17 10:02:18 0  2  571

java - An existing project package name is similar to com.company..... How can I simply change the package name to com.test.....

An existing project package name is similar to com.company..... How can I simply change the package name to com.test..... If the project is a maven project, how should I modify it?

欧阳克 2017-06-12 09:23:11 0  5  1056

JavaScript: Enter the selector of the specified type (only three simple CSS selectors such as id, class, and tagName are supported)

1. Write a JavaScript function and input a selector of a specified type (it only needs to support three simple CSS selectors of id, class, and tagName, and does not need to be compatible with combined selectors). The problem is: the following regular matching cannot be understood, var reg = / ^(#)?(...

PHP中文网 2017-06-26 10:57:53 0  4  1053

sweetalert not working in php after form submission

I have a simple PHP form and on form submission I want to show a sweet alert, I made the following code: <scriptsrc="https://unpkg.com/sweetalert2@7.8.2/dist/sweetalert2.all.js "></script><?phpif(isset($_POST['submit'])){............mail($to,$s

P粉354602955 2024-01-28 22:16:42 0  1  439

Network Transport Protocol - I wrote a simple chat software in Java using UDP, but I always cannot receive messages?

I wrote a simple chat software in Java using UDP, but I couldn't receive any messages. Could you please tell me what's wrong with the code. {Code...} There is a lot of code, so I put it on github and put it on the github address.

迷茫 2017-05-17 10:07:59 0  1  805