安装 Docker

本文使用阿里云ECS，操作系统为 Debian 12.9

不起作用

Why does the custom instructions not work?
为什么自定义指令不起作用？

Let's revisit your requirements:

import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;

public class Main {
    public static void main(String[] args) {
        // Example usage
        int unixTimestamp = 1640995200; // Example Unix timestamp
        String formattedDate = formatUnixTimestamp(unixTimestamp);
        System.out.println(formattedDate);
    }

    public static String formatUnixTimestamp(int unixTimestamp) {
        // Convert int Unix timestamp to long and then to Instant
        Instant instant = Instant.ofEpochSecond((long) unixTimestamp);

        // Convert Instant to LocalDateTime
        LocalDateTime dateTime = LocalDateTime.ofInstant(instant, ZoneId.systemDefault());

        // Format LocalDateTime to String
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
        return dateTime.format(formatter);
    }
}

添加依赖：

The "data-" global attributes in HTML are used to store custom data private to the page or application. They provide a way to store extra information on HTML elements that JavaScript can later access. The "data-" attributes consist of a name (data-*) and a value. The name should be in lowercase and contain a hyphen (-) to separate words.

Yes, Java has an equivalent mechanism for asynchronous programming, similar to C#'s async/await. In Java, this is typically done using the CompletableFuture class, which was introduced in Java 8. CompletableFuture allows you to write non-blocking, asynchronous code using a more functional and fluent programming style.

先创建一个表：

The ReadDiscreteInputsRequest class is part of Modbus4J, and it's used to create a request for reading discrete input registers from a Modbus device.

Do you know publish-subscrib mechanism?

I have above code write by java:

之前对于Java的泛型很不熟练，特别是在别的源码中看到泛型简直一头雾水，所以想借助 OpenChat AI 来加深一下印象。

It's important to note that Netty ByteBuf is not thread-safe, so it should be used with a proper synchronization mechanism.

You can also use the Month enum from the java.time package to convert the month number to the month name. This enum is part of the modern Java date and time API, which was introduced in Java 8 and is the recommended way to work with dates and times in Java. Here's an example of how to use it:

首先，我有如下数据在logs表中：

To deep copy a List<Map<String, String>> in Java, you can use the clone() method. This method will create a new List object that contains the same maps as the original list, but the maps themselves will be new objects, rather than references to the original maps.