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java - InputStream.available() 在 Java 中做了什么?

InputStream.available()在Java中做了什么?我阅读了文档,但仍然无法理解。文档说:Returnsthenumberofbytesthatcanberead(orskippedover)fromthisinputstreamwithoutblockingbythenextcallerofamethodforthisinputstream.Thenextcallermightbethesamethreadororanotherthread.TheavailablemethodforclassInputStreamalwaysreturns0.阻塞是什么意思?它只是意

java - InputStream.available() 在 Java 中做了什么?

InputStream.available()在Java中做了什么?我阅读了文档,但仍然无法理解。文档说:Returnsthenumberofbytesthatcanberead(orskippedover)fromthisinputstreamwithoutblockingbythenextcallerofamethodforthisinputstream.Thenextcallermightbethesamethreadororanotherthread.TheavailablemethodforclassInputStreamalwaysreturns0.阻塞是什么意思?它只是意

java - Spring Boot + REST 应用程序出现 "No message available"错误

我已经创建了演示SpringBoot项目并实现了Restful服务,如下所示@RestControllerpublicclassGreetingsController{@RequestMapping(value="/api/greetings",method=RequestMethod.GET,produces=MediaType.APPLICATION_JSON_VALUE)publicResponseEntitygetGreetings(){returnnewResponseEntity("HelloWorld",HttpStatus.OK);}}当我尝试使用带有URL“http:

java - Spring Boot + REST 应用程序出现 "No message available"错误

我已经创建了演示SpringBoot项目并实现了Restful服务,如下所示@RestControllerpublicclassGreetingsController{@RequestMapping(value="/api/greetings",method=RequestMethod.GET,produces=MediaType.APPLICATION_JSON_VALUE)publicResponseEntitygetGreetings(){returnnewResponseEntity("HelloWorld",HttpStatus.OK);}}当我尝试使用带有URL“http:

c# - ServiceStack.Redis Sentinel 简单设置, "No Redis Sentinels were available"

还有其他类似的问题,但我想将其归结为最基本的问题。我正在运行一个.NET应用程序(C#)并尝试连接并监视一组运行哨兵(3x哨兵监控1个主站和2个从站)。它们在linux机器上。如果我对该服务器进行硬编码,我可以使用ServiceStack.Redis写入/读取这三个服务器中的主服务器。我想做的是监视哨兵,看看哪个是使读/写动态化的主人。这是我的代码:varsentinelHosts=new[]{"server01Name","server02Name","server03Name"};varsentinel=newRedisSentinel(sentinelHosts,masterNa

c# - 如何调试 "Not enough storage is available to process this command"

我们开始遇到没有足够的存储空间来处理这个命令。应用程序是WPF,正常工作几个小时后开始弹出异常。System.ComponentModel.Win32Exception(0x80004005):NotenoughstorageisavailabletoprocessthiscommandatMS.Win32.UnsafeNativeMethods.RegisterClassEx(WNDCLASSEX_Dwc_d)atMS.Win32.HwndWrapper..ctor(Int32classStyle,Int32style,Int32exStyle,Int32x,Int32y,Int32

PHP单元。错误 : No code coverage driver is available.(安装了 xdebug)

有类似问题的答案Laravel5:PHPUnitandnocodecoveragedriveravailable可以,但是我安装了xdebug。(如果这件事我用的是:windows7、netbeans8.1、php7、wamp3)在Netbeans中显示代码覆盖率会导致:Error:Nocodecoveragedriverisavailable,输出如下:"C:\wamp\www\treningPHPUnitSymfony2.8\bin\phpunit.bat""--colors""--log-junit""C:\Users\chiny\AppData\Local\Temp\nb-ph

java - Spring 开机测试 "No qualifying bean of type available"

我是Springboot的新手,但这是我现在面临的问题://Application.javapublicclassApplication{publicstaticvoidmain(String[]args){SpringApplication.run(Application.class,args);}@AutowiredprivateClustercluster=null;@PostConstructprivatevoidmigrateCassandra(){Databasedatabase=newDatabase(this.cluster,"foo");MigrationTaskmi

java - Spring 开机测试 "No qualifying bean of type available"

我是Springboot的新手,但这是我现在面临的问题://Application.javapublicclassApplication{publicstaticvoidmain(String[]args){SpringApplication.run(Application.class,args);}@AutowiredprivateClustercluster=null;@PostConstructprivatevoidmigrateCassandra(){Databasedatabase=newDatabase(this.cluster,"foo");MigrationTaskmi

javascript - Greasemonkey @require jQuery 不工作 "Component not available"

我看过theotherquestiononhere关于在Greasemonkey中加载jQuery。尝试过该方法后,在我的==UserScript==标签中使用此require语句://@requirehttp://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js我仍然在Firefox的错误控制台中收到以下错误消息:Error:ComponentisnotavailableSourceFile:file:///Users/greg/Library/Application%20Support/Firefox/Profiles/xo9