Interface AccountService{
public void createAccount();
}
AccountService accountServiceAnonymous = new AccountService(){
public void createAccount(){
Account account = new Account();
save(account);
}
};
AccountService accountServiceLambda = () -> {
Account account = new Account();
save(account);
}
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除了减少代码行数之外,在java 8中使用lambda表达式还有什么其他优点吗?
我正在安装ffmpeg实用程序,但我面临libmp3lame >= 3.98.3找不到找不到错误.我能够找到lame-3.99.5-1.el6.rf.x86_64.rpm并lame-libs-3.98.4-1.el6.nux.x86_64.rpm安装这些并不能解决问题.我无法找到libmp3lame rpm来安装.
有人能帮我一下吗?
[root @sdp-dev-03:/ opt/ffmpeg]#./ configure --prefix ="$ HOME/ffmpeg_build"--extra-cflags =" - I $ HOME/ffmpeg_build/include"--extra-ldflags = "-L $ HOME/ffmpeg_build/lib"--bindir ="$ HOME/bin" - extra-libs = -ldl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable -libvpx --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libvo-aacenc --enable-libxvid --disable -ffplay --enable-gpl - -enable-postproc --enable-nonfree --enable-avfilter --enable-pthreads
错误:未找到libmp3lame> = 3.98.3
如果您认为configure出错了,请确保您使用的是Git的最新版本.如果最新版本的失败,将问题报告给
ffmpeg-user@ffmpeg.org邮件列表或IRC #ffmpeg上irc.freenode.net.包括configure生成的日志文件"config.log",因为这将有助于解决问题.
我正在使用JMeter __FileToString函数读取请求主体中的JSON文件,如下所示。
${__FileToString(C:\\Users\\prasad\\Office\\SSP\\16.48\\sprint3\\${__eval(${CSV_Challenges_Dataset})}.txt,,)}
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但是运行测试时出现错误提示。有人可以为我指出有关如何在Windows中使用JMeter fileToString函数的正确示例。
2016/11/17 15:01:22 INFO - jmeter.engine.StandardJMeterEngine: Running the test!
2016/11/17 15:01:22 INFO - jmeter.samplers.SampleEvent: List of sample_variables: []
2016/11/17 15:01:22 INFO - jmeter.gui.util.JMeterMenuBar: setRunning(true,*local*)
2016/11/17 15:01:22 INFO - jmeter.engine.StandardJMeterEngine: Starting ThreadGroup: 1 : VerifyDecryptor 1L records
2016/11/17 15:01:22 INFO - jmeter.engine.StandardJMeterEngine: Starting 1 threads for group VerifyDecryptor 1L records.
2016/11/17 15:01:22 INFO - jmeter.engine.StandardJMeterEngine: Thread will continue on error
2016/11/17 15:01:22 INFO - jmeter.threads.ThreadGroup: Starting thread group number 1 threads 1 ramp-up 1 perThread 1000.0 delayedStart=false …Run Code Online (Sandbox Code Playgroud)