Install swoole extension Two methods to install php extension swoole Check whether the Swoole PHP extension is enabled on the server php -i | grep swoole 1. Install using pecl command pecl install swoole 2. Manual compilation and installation Use the following command to download the swoole installation package git clone https://github.com/swoole/swoole-src.git Unzip the source […]
Tag: ole
The role of configuration configuration class, rabbitMq code example how to customize beans
@Configuration @ConditionalOnClass(SimpleRabbitListenerContainerFactory.class) public class ConsumerConfig { @Value(“${rabbit.batch.num:100}”) private int batchNum; @Bean(“batchQueueRabbitListenerContainerFactory”) public SimpleRabbitListenerContainerFactory batchQueueRabbitListenerContainerFactory(ConnectionFactory connectionFactory) { SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory(); factory.setConnectionFactory(connectionFactory); factory.setBatchListener(true); factory.setConsumerBatchEnabled(true); factory.setBatchSize(batchNum); return factory; } } This code is a RabbitMQ message consumer configuration class based on Spring Boot. Let me explain step by step and give examples: @Configuration: This annotation indicates […]
stm car HAL library speed measurement PID speed regulation Bluetooth OLED use
//Redirect serial port one int fputc(int ch,FILE *stream) { HAL_UART_Transmit( & amp;huart1,( uint8_t *) & amp;ch,1,0xFFFF); return ch; } //typedef struct __FILE FILE; When using printf, add #include<stdio.h>; 2. Serial port interrupt callback function uint8_t g_ucUsart3ReceiveData; //Save the data received by serial port 3 main.c HAL_UART_Receive_IT( & amp;huart3, & amp;g_ucUsart3ReceiveData,1); //Serial port three receives data […]
The whole process of linux C++ crash stack capture
1. Crash signal processing When a program crashes, the operating system sends a signal to the program to notify it that an exception has occurred. In C++, you can register a signal handler through the signal function so that the program can execute custom code when it receives the signal. #include <execinfo.h> #include <signal.h> #include […]
The operating principle of javascript closure, the role of javascript closure
Hello everyone, the editor will answer your questions about how JavaScript closures operate. Many people still don’t know the role of JavaScript closures, let’s take a look now! Article directory Closure 1. What is closure? 2. Conditions for generating closure 3. Location of closure variable storage JS stack memory release 4. Common closures Closure 1: […]
Filling the hole: Java’s String class (1)
Common methods String construction Let’s take a look at the String construction method in the source code Common string //”hello” is a string constant, without \0 mark at the end String str = “hello”; System.out.println(str);//hello String str2 = new String(); System.out.println(str2);//No output String str3 = new String(“pppp”); System.out.println(str3);//pppp String array char[] array = {‘a’,’b’,’c’}; String […]
Fixed Bug: Warning: Received `true` for a non-boolean attribute disabled (React) issue
Blogger Maotouhu () takes you to Go to New World? Blog homepage: Maotouhu’s blog “Complete Column of Interview Questions” Articles with pictures and texts Vivid images Simple and easy to learn! Everyone is welcome to step in~ “IDEA Development Cheats Column” Learn the common operations of IDEA and double your work efficiency~ “Master Golang in […]
The role of the child_process module in Node.js
Gathering sand into a tower, making a little progress every day ? Column introduction Front-end Getting Started Tour: Exploring the Wonderful World of Web Development Welcome to the Front-End Getting Started Tour! If you are interested, you can subscribe to this column! This column is tailor-made for those who are interested in web development and […]
Vue project code prevents debugging – open the console and jump directly to a blank page
Vue project code prevents debugging – open the console and jump directly to a blank page After the front-end code is online, the code will be exposed, or the interface will be exposed, and interested people will study the code logic and find project bugs and loopholes! Project background I was targeted by the security […]
metinfo_5.0.4 boolean blind exp
metinfo_5.0.4 Boolean blind injection script Network disk link Extraction code: dx2o Boolean blind injection judgment basis successful request http://10.9.47.148/metinfo_5.0.4/about/show.php?lang=cn &id=22 and 1=1 failed request http://10.9.47.148/metinfo_5.0.4/about/show.php?lang=cn & amp;id=22 and 1=2 Using blind injection script Startup script python metinfo_booleanBasedBlind.py Explode database name and table name Enter the target IP and automatically blast the current database name and […]