Preview of the teaching course on September 10, 2018: How to implement paging query data table and classification query for class encapsulation in PHP

Preview of the teaching content of the third online class of PHP Chinese website on September 10, 2018: 1. Teaching topic: How to use PHP to implement paging query data tables? Encapsulate classification queries into classes to achieve code reuse. For more detailed knowledge points, please pay atten...

藏色散人 2018-09-10 10:02:37 0  0  1277

Create a new index folder, and then put the controller and file index.php into the index folder. Modify the htaccess file for extended access. But when accessing, it prompts a page error! Please try again later. The PHP version is normal. Please give me some answers. Thank you.

Create a new index folder, and then put the controller and file index.php into the index folder. Modify the htaccess file for extended access. But when accessing, it prompts a page error! Please try again later. The PHP version is normal. Please give me some answers. Thank you.

A 阿拉丁 2019-11-25 22:11:48 0  5  1542

Projects that use weex to extend html5 have compatibility with different versions of ios

1. We use weex to extend HTML5. The project runs in the WeChat environment with SDK <10.0. Some pages will have data that cannot be bound. However, there is no problem with the latest version of SDK. 2. The latest version of SDK is 10.3.13. How to deal with the compatibility issues of different S...

高洛峰 2017-05-16 13:33:47 0  1  755

docker pull 一个lnmp的镜像下来安装 怎么修改他的配置

docker pull 一个lnmp的镜像下来安装 怎么修改他的配置 比如说我要给php 加个扩展 nginx 修改点域名之类的

淡淡烟草味 2017-04-25 09:01:58 0  4  839

Classification - Where is the implementation of the extension method written? objective-c

1. Check the information: Extension is often called an anonymous Category (for example: in the string class extension extension, the added attributes str1 and show method are private and can only be accessed in the String class. Please ask: I I have a question: What are the added attributes that can...

迷茫 2017-05-02 09:38:18 0  2  787

c++ - Which PHP extension source code is most suitable for novices to learn and read?

RT, my current level is that I have learned C language, and then I have written a simple extension myself (a very simple extension). Now I want to learn more about it. There are many extensions built into the official PHP source code package. I looked at something like The amount of extension code f...

过去多啦不再A梦 2017-06-05 11:07:15 0  1  614

HTTP error 404.3 - Not Found, please solve it

After the system is installed, the php webpage cannot be logged in, and only htmlHTTP error 404.3 - Not Found cannot provide the page you requested due to extension configuration issues. If the page is a script, add a handler. If the file should be downloaded, add a MIME mapping. Detailed error info...

胡清太(醉好MBA） 2019-02-14 20:59:23 0  0  1627

ThinkPHP-Casbin: a Casbin extension package specially customized for ThinkPHP5.1

PHP -Casbin: A PHP permission management framework that supports ACL, RBAC, and ABAC multiple models. This extension package is very useful, but it is limited to the level. I hope Brother Zhu can record a video to help PHP enthusiasts analyze the implementation ideas and usage methods. Casbin offici...

勇哥 2019-06-12 21:54:25 0  0  1244

javascript - js to write a similar product management backend page, what design pattern is easier to expand and maintain?

I wrote a background management page using a simple singleton pattern. Similar to {code...} I would like to ask someone with experience in writing this type of project. How to organize the code structure to make it easier to expand and maintain.

三叔 2017-07-05 11:06:52 0  2  980

Unable to successfully install PHP 7.4 Zip extension on Ubuntu 20.04

While running sudoapt-getinstallphp7.4-zip I encountered the following error: The following package has unmet dependencies: php7.4-zip: depends on php7.4-common (=7.4.3-4ubuntu2.12) , but you are installing 7.4.10-1+ubuntu18.04.1+deb.sury.org+1 version E: Unable to correct the problem, there is a co...

P粉225961749 2023-08-26 11:56:12 0  1  536

Extract more information from PHP pages using JavaScript

In order to automatically update a certain part of the page without having to constantly reload the page, I have implemented this code on the platform. If you just want to update a piece of data, everything works fine, in fact the php page contains multiple queries to populate different sections. Ho...

P粉445714413 2023-08-13 12:27:33 0  1  580

How to show loader of php page?

I have a bunch of .php pages, each corresponding to an html webpage. Each page takes about a minute or so to fully process and load. I want to show a loading image to the user when the page is fully loaded. I thought of a way logically like loading the image first and the main content stays hidden w...

P粉651109397 2024-01-10 16:52:02 0  1  461

Unable to install php7.4-dev on Ubuntu 18.04

Trying to install the php7.4-dev extension, but I get the following error: E: Unable to locate package php7.4-devE: Unable to find any package via glob 'php7.4-dev'E: Unable to locate package php7.4-dev via regex dev' found any packages When I run aptshowphp, it shows up like this: Package: php vers...

P粉265724930 2023-08-31 15:06:53 0  1  674

Custom error document 404 page breaks in PHP extension, but works for everything else

Updated on 08/02/2022 I have set up a custom 404 error page. Below are my htaccess rules. ErrorDocument404/not-found.phpRewriteEngineOn After testing it many times, I realized that it works perfectly for everything except php pages. It works fine if the wrong directory or other file extension is acc...

P粉237689596 2024-01-16 15:02:40 0  1  352

What is the essential difference between hyper-converged servers and cloud servers?

1. There are three main categories of cloud computing: private cloud, public cloud, and hybrid cloud; there are three main levels of cloud computing services: IAAS, PAAS, and SAAS. 2. The IaaS layer is the core and most basic part of the private cloud, and it is also the first part that enterprise I...

七秒 2021-10-27 09:41:40 0  2  2407

javascript - Frontend login issue

The company's development model is front-end image cutting and PHP page set. I have been doing image cutting for several months. After work, I have been recharging myself intermittently (after all, I became a monk halfway). I also came into contact with front-end and back-end separation, vue. js stu...

世界只因有你 2017-05-19 10:38:00 0  5  596

PHP's latest plug-in backend management system is really easy to use. I recommend it~

OneKeyAdmin is a background management system written based on Thinkphp6+Element. The installation package is 7MB in size and has the function of one-click code generation, quick addition, deletion and modification without writing pages, resource management, permission management, universal membersh...

MUKE 2022-06-13 14:18:25 0  2  1665

What is a tower server and what is the difference between a rack server?

According to the structure of the server appearance, servers can be divided into three types: tower, rack, and blade servers. At present, the two types of servers that are more common on the market are tower servers and rack servers. So what is the difference between these two servers? Tower servers...

Crazy 2021-10-22 09:16:34 0  3  2606

Is it possible to read and display the contents of a txt file every few seconds using HTML?

I have a txt file that is updated with new data every few seconds. It is stored and generated on the Raspberry Pi, which will also act as a server. I wish to add its content to the html code for display. It should update without manually reloading the page. Is there a way to do this? Maybe use AJAX,...

P粉529581199 2023-09-07 08:46:12 0  2  647

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47 0  1  776