service监听

Android 的service监听调用

在一个页面写好ListView之后，点击每一个音乐都能正常播放和停止，当我写了...歌曲列表也读出来了的，然后再点击播放，成功进入service，但是这个时候却无法启动MediaPlayer.start()了，错误日志说是调用虚拟方法，空对象引用。

【监听文件多线程】使用java-WatchService监听文件开启多线程copy文件

有一个小需求：在PC跟前没有人的时候，迅雷下载文件至PC磁盘上，并且自动移动文件到U盘上，小主只要在走的时候...74 } 75 } 76 } View Code 其中关于文件系统注册的监听器上，有监听事件类型：Overflow包含了文件的创建/删除/修改各种事件。

在Activity，Service，Window中监听Home键和返回键的一些思考，如何把事件传递出来的...

在Activity，Service，Window中监听Home键和返回键的一些思考，如何把事件传递出来的做法！其实像按键的监听，我相信很多人都很熟练了，我肯定也不会说这些基础的东西，所以，前期，还是一笔带过一下，我们重点说下后半部分吧一.Activity...

DBID,SID,DB_NAME,DB_DOMAIN,INSTANCE_NAME,DB_UNIQUE_NAME,SERVICE_NAMES 及监听参数...

这篇文章中要讲的几个参数：DB 相关的：PFILE中的参数：DB_NAME，DB_DOMAIN,INSTANCE_NAME，DB_UNIQUE_NAME,SERVICE_NAMES,GLOBAL_NAME，GLOBAL_NAMES Listener.ora中参数：SID_NAME，GLOBAL_DBNAME Tnsnames.ora中参数：SERVICE_NAME，SID...

Oracle启动监听报错：The listener supports no services解决

问题原因：数据库实例没注册到listener 解决方法一：在listener.ora...解决方法二：登录数据库：$sqlplus/as sysdba 显示服务名：SQL>show parameter service_names 强制注册服务：SQL>alter system register;查看监听状态：$lsnrctl status

ORA-12504：TNS：监听程序在CONNECT_DATA中未获得SERVICE_NAME

客户端配置好服务名后，用PL/SQL Developer连接数据库时，报错：ORA-12504：TNS：监听程序在CONNECT_DATA中未获得SERVICE_NAME。一般这种情况请检查tnsnames.ora文件中TNS是否配置正确，如下所示，SERVICE_NAME 名字弄错了，结果报如上错误...

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企业级分布式应用服务 EDAS

EDAS 是一个应用托管和微服务管理的PaaS平台，提供应用开发、部署、监控、运维等全栈式解决方案，同时支持Dubbo、Spring Cloud等微服务运行环境，助力您的各类应用轻松上云。

热门活动

最佳实践