在前端开发中，对于自己开发的app或者webpage性能的好坏，一直是让前端开发很在意的话题。我们需要专业的网站测试工具，让我们知道自己的网页还有哪些需要更为优化的方面，我自己尝试了一款工具：Lighthouse，感觉还不错，记录下来，也顺便分享给用得着的伙伴。Lighthouse分析web应用程序和web页面，收集关...

笔者最近在调试一段代码，进入spring-core以后，IDEA帮我反编译出源码，其中MethodProxy.java如下////Sourcecoderecreatedfroma.classfilebyIntelliJIDEA//(poweredbyFernflowerdecompiler)//packageorg.s...

笔者使用websocket进行通信，服务器异步返回。websocket服务器又异步调用其他websocket，也是异步访问。由于无法预测服务器调用第三方websocket什么时候调用结束，使用了CountDownLatch。每次报错都如下：java.lang.reflect.InvocationTargetExcept...

转载自：http://ganeshtiwaridotcomdotnp.blogspot.com/2011/12/java-sound-generate-play-sine-wave.htmlWorkingsourcecodeexampleonhowtogenerateandplaysinewaveinJava:View...

转载自：http://ganeshtiwaridotcomdotnp.blogspot.com/2011/12/java-sound-making-audio-input-stream.html Inthispost,iamgoingtoshowthecodeforcreatingthe Audio...

转载自：http://ganeshtiwaridotcomdotnp.blogspot.com/2011/12/java-sound-capture-from-microphone.htmlSound Capture/RecordfromMicrophoneandSave:workingjavasourcec...

转载自：http://ganeshtiwaridotcomdotnp.blogspot.com/2011/12/sound-audio-file-player-in-java-working.htmlSound(audiofile)playerinjava-workingsourcecodeexampleimportj...

WiththereleaseofSpring4.2version,ThreenewclasseshavebeenintroducedtohandleRequestsAsynchronouslyoftheServletThread.Whichare;ResponseBodyEmitterSseEmitterStreami...

privateFloatbalance;代码：<spanclass="A124_balance_num"th:text="${#numbers.formatDecimal(balance,1,'COMMA',2,'POINT')}"></span>balance=0输出0.00balance=3...

转载自：https://blog.csdn.net/Coder_Arley/article/details/81910705springboot中报错如下：springmvc也可以使用类似处理方法。其他参考：SrpingMVC通过JSON注入from数据到实体自定义(LocalDateTime,LocalDate,Bo...

笔者最初的一套代码模板importlombok.extern.slf4j.Slf4j;importorg.springframework.stereotype.Controller;importorg.springframework.ui.Model;importorg.springframework.web.bind...

报错：2019-09-1710:30:17.277default[https-jsse-nio-8110-exec-20]INFOo.a.t.w.s.WsRemoteEndpointImplServer-FailedtoclosetheServletOutputStreamconnectioncleanlyjava.i...

在yml文件中添加以下属性:logging:level:root:debug ...

转载：https://blog.csdn.net/fanxiaobin577328725/article/details/53067163首先看代码：importorg.junit.Test;importjava.io.BufferedReader;importjava.io.FileInputStream;impor...

<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-configuration-processor</artifactId><optional>...