Programmer Think

1: Nginx installation configuration 1. Install compilation tools and library files yum -y install make zlib zlib-devel gcc-c++ libtool openssl openssl-devel 2. First install PCRE PCRE is used to enable Nginx to support Rewrite. Download the PCRE installation package at: http://downloads.sourceforge.net/project/pcre/pcre/8.35/pcre-8.35.tar.gz E ...

As a programmer developing software, in order to develop the system, we must first sort out the product requirements, and the product function analysis first. From the perspective of business model, a good software system must comply with the product design concept, and the product flow should be carried out by the user's self driving, interest ...

Environment php8 0 hyperf2. 2 swoole4. five 1. use Hyperf\Di\Annotation\Inject must be introduced to instantiate use class with annotation; 2. To achieve the effect of laravel thinkphp using cache, you need to define your own class <?php namespace App\Library; use Hyperf\Utils\ApplicationContext; use Psr\SimpleCache\CacheInterface; clas ...

Recently, I encountered a seemingly simple problem, but it is not easy to write. For multiline text, beyond Display. It can be implemented through css, but limited by browser compatibility, it sometimes needs to rely on JS. Through JS implementation, we need to consider the text size. The byte lengths corresponding to Chinese and English, numer ...

Vulnerability summary The flaw lies in that the bottom layer of ThinkPHP does not check the validity of the controller name well, resulting in that the user can call any method of any class without opening the forced routing, which eventually leads to a remote code execution vulnerabilityVulnerability impact version: 5.0.7<=ThinkPHP5 ...

In the previous articles on SPL, we have learned some data structure related data structure objects in SPL, which are very powerful and easy to use. The most important thing is that SPL has been integrated into the PHP source code, and we don't need to install other extensions separately. However, the content of the DataStruct extension library ...

Vulnerability environment Vulnerability test environment: PHP5 6+ThinkPHP5. zero point two fourVulnerability test code: application / index / controller / index php <?php namespace app\index\controller; class Index { public function index() { $Gyan = unserialize($_GET['d1no']); var_dump($Gyan); return '&lt ...

Theme development tutorialAll third parties in ModStart are collectively referred to as modules. The template topic is also a module, starting with CmsTheme, such as CmsThemeBlue, CmsThemeGreen, etc.Create topic moduleuse Module development assistant Can quickly help you create a template theme module.Through system management → module dev ...

There are no weak people in life, only those who are unwilling to work hard. 1, What is a transaction Transaction is the basic unit of concurrency control. The so-called transaction is a sequence of operations. These operations are either executed or not executed. It is an inseparable work unit. Transaction is the unit for maintaining ...

summary At 12.09, there was a problem in the production environment. The specific reason is that there are two asynchronous tasks executing simultaneously on the line. These two asynchronous tasks generate tens of thousands of data and then write the table. The table's primary key ID is generated by snowflake algorithm. Specifically, snowflake ...