This topic describes how messaging is implemented between ApsaraMQ for MQTT clients by using the ApsaraMQ for MQTT SDK for Java.Prerequisites Create resources An AccessKey pair is obtained.The integrated development ...
import java.util.Set;import java.util.SortedMap;import java.util.TreeMap;import javax.crypto.Mac;import javax.crypto.spec.SecretKeySpec;import javax.net.ssl.HttpsURLConnection;import com.alibaba.fastjson.JSONObject;Connect...
import java.util.Set;import java.util.StringTokenizer;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.Path;import org.apache.hadoop.io.IntWritable;import org.apache.hadoop.io.Text;import org.apache....
This topic describes how to use Machine Translation SDK for Java.You will learn how to:Configure an account Set up the Java environment Use the Java SDK Procedure Step 1:Activate the service and get a key Register an ...
import java.util.Set;import java.util.SortedMap;import java.util.TreeMap;import javax.crypto.Mac;import javax.crypto.spec.SecretKeySpec;import javax.net.ssl.HttpsURLConnection;import com.alibaba.fastjson.JSONObject;Perform...
属性名不能为 description } 支持的数据类型 boolean,char,double,float,int,long,short java.lang.Boolean java.lang.Character java.lang.Double java.lang.Float java.lang.Integer java.lang.Long java.lang.Short java.lang.String ...
import java.util.Set;public class H5AppCenterPresetProviderImpl implements H5AppCenterPresetProvider { private static final String TAG="H5AppCenterPresetProviderImpl;设置小程序专用资源包，此 ID 固定，不可设置其他值 private...
the default is 10 seconds.responseTimeout(Duration.ofSeconds(10))/Set the response timeout time,the default is 20 seconds.maxConnections(128)/Set the connection pool size.maxIdleTimeOut(Duration.ofSeconds(50))/Set the ...
在PL/SQL中处理关联数组或嵌套表等集合类型时，您需要查询元素、增删改查或进行集合间的比较与运算。为了简化这些操作，PolarDB PostgreSQL版（兼容Oracle）提供了一套丰富的内置集合方法和运算符。这些工具使您能够像操作标准数据结构一样...
source PostgreSQL JDBC Driver and uses PostgreSQL protocols for communications.The JDBC driver allows Java applications to connect to databases by using Java code that is standard and independent of the databases.The JDBC ...
ensure the corresponding API is created.For detailed instructions,see Product Data API and Customize Service API.For additional information,see Management and Usage.Install the SDK Set up a Java development environment....
alone operation Broadcast run Visual MapReduce MapReduce Shard run standalone ClassName string No The full path of the job interface class.This parameter is available only when you set JobType to java.You must enter a full...
alone operation Broadcast run Visual MapReduce MapReduce Shard run standalone ClassName string No The full path of the job interface class.This parameter is available only when you set JobType to java.You must enter a full...
a database,and an account.Ensure it is in the same VPC as your Flink workspace.Set up the Java project Environment dependencies Note To avoid Maven dependency conflicts,follow these rules:Use consistent Flink versions:${...
本文介绍CDC相关的常见问题。MySQL CDC读取全量数据后，不读增量数据是为什么？如何判断MySQL CDC作业是否已完成全量数据同步？Flink CDC作业失败后能不能彻底退出...File|Position|Binlog_Do_DB|Binlog_Ignore_DB|Executed_Gtid_Set|+-+-+-+-...
下载链接，请参见 mysql-connector-java.jar。（条件必选）如果服务端Hive版本低于Hive 2.3，且出现Hive版本不兼容时，请登录集群的Master节点，在/opt/apps/HIVE/hive-current/lib 路径中，下载所有的Jar包。如何登录集群的Master节点，请...
和其他语言一样，CQL也支持一系列灵活的数据类型，包括基本的数据类型，集合类型以及用户自定义数据类（User-Defined Types,UDTs）。本文将介绍CQL支持的数据类型。数字数据类型（Numeric Data Types）CQL支持的数字数据类型包括整型和浮点...
This topic describes how to configure a retry policy when you use the Java asynchronous SDK.Configuration You can configure a retry policy in the asynchronous client using `RetryPolicy`.`RetryPolicy` lets you set a backoff...
MaxCompute Type Java Type Java Writable Type TINYINT java.lang.Byte ByteWritable SMALLINT java.lang.Short ShortWritable INT java.lang.Integer IntWritable BIGINT java.lang.Long LongWritable FLOAT java.lang.Float ...
Github|OSS SDK for Java API|mvnrepository 快速接入 通过以下步骤快速接入 OSS Java SDK V1：准备环境 安装 Java 7 及以上版本。通过 java-version 命令查看 Java 版本，如当前环境没有 Java 或版本低于 Java 7，请 下载Java。安装 SDK ...
activate activate()方法描述 激活窗口 调用样例-rpa.ui.java.JavaWindow.activate-#注意事项：#代码调用样例如下：java_wnd=rpa.ui.java.catch("Pycharm",mode="substr") java_wnd.activate()maximize maximize()方法描述 最大化窗口 ...
value:=range headers { req.Header.Set(key,value)} req.Header.Set("Content-Type","application/json")client:=http.Client{} resp,_:=client.Do(req)defer resp.Body.Close()} Java import java.net.URI;import java....
rpa.ui.java.elem_set_selected_item_by_index("JAVA控件",2)elem_set_selected_item_by_text elem_set_selected_item_by_text(element,text,index=1,parent_element=None,timeout=10)方法描述 combobox-根据指定文本选中下拉列表中的项 ...
see Create a trace instance.A Java development environment is set up.The Java version is 8 or later.Note We recommend that you use Java Development Kit(JDK)8u252 or a later version.Method 1:(Recommended)Use a Java agent to...
This topic describes the retry mechanism of Alibaba Cloud SDK V1.0 for Java.Note A retry mechanism and a throttling policy are added.For more information,see Advanced backoff mechanism based on the throttling policy.The ...
You can use the CloudEvents SDK for Java to publish events.Prerequisites IntelliJ IDEA is downloaded.For more information,see IntelliJ IDEA.Note You can use IntelliJ IDEA or Eclipse.In this example,IntelliJ IDEA is used....
connector-postgres/src/main/java/org/postgresql/core/v3 cp pgjdbc/pgjdbc/src/main/java/org/postgresql/core/v3/QueryExecutorImpl.java debezium/debezium-connector-postgres/src/main/java/org/postgresql/core/v3 cp pgjdbc/...
connector-postgres/src/main/java/org/postgresql/core/v3 cp pgjdbc/pgjdbc/src/main/java/org/postgresql/core/v3/QueryExecutorImpl.java debezium/debezium-connector-postgres/src/main/java/org/postgresql/core/v3 cp pgjdbc/...
This topic describes how to connect built-in Java runtimes to Application Real-time Monitoring Service(ARMS)application monitoring.Currently,Java 8 and Java 11 versions in Java runtime are supported.If you use a custom ...
consumer Customizable.Deployment Method Deploy Using Image Click Set Image.Set Technology Stack to Java and Java Environment to Open JDK 8.On the Demo Image tab,set Image Version to microservice-java-consumer-v1.0.Access ...
series（序列）TSDB For InfluxDB®数据结构中，有相同measurement、tag set和保留策略（retention policy）的数据集合。说明 field set不会标识序列的一部分。相关术语：field set，measurement，retention policy，tag set。series ...
INFO.rocketmq.log.root The root directory of the logs.Default value:{$HOME}/logs/rocketmq.{$HOME} is the root directory of the Java process that you started.You can set this parameter to your local directory.Note Make sure...
本文介绍了Prepare协议的概念、用途及在Java中的开启方法。Prepare协议介绍 Prepare协议分为两种模式：二进制模式：该模式基于高效的客户端/服务器二进制协议，是程序开发中最常用的模式；文本模式：该模式基于SQL语法来实现，包括PREPARE/...
click Environment Variables on the Advanced tab.In the Environment Variables dialog box,click New in the System variables section.In the New System Variable dialog box,set Variable name to JAVA_HOME and Variable value to ...