这是我的html浏览代码.
这是我的android代码,它为浏览文件加载html文件并在服务器上传.
runOnUiThread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
System.out.println(AndroidConstants.MAIN_URL());
toast(AndroidConstants.MAIN_URL());
webView.loadUrl(AndroidConstants.MAIN_URL());
webView.setDownloadListener(new DownloadListener() {
@Override
public void onDownloadStart(String url, String userAgent,
String contentDisposition, String mimetype,
long contentLength) {
// TODO Auto-generated method stub
Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(Uri.parse(url));
startActivity(i);
}
public void openFileChooser(ValueCallback<Uri> uploadMsg) {
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("image/*");
WebViewActivity.this.startActivityForResult(Intent.createChooser(i,"Image Chooser"), 2533);
}
public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType) {
openFileChooser(uploadMsg);
}
public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String …Run Code Online (Sandbox Code Playgroud) 我是Hadoop的新手,所以我开始设置部分分布式的Hadoop集群localhost.我创建了一个wordcount程序jar来运行,但是当我运行这个jar时,会出现以下错误九次:
NFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9040. Already tried 9 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
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此外,当我键入jps命令时,我的服务启动是:
9154 DataNode
9777 NodeManager
8967 NameNode
9441 SecondaryNameNode
10060 Jps
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核心的site.xml
<configuration>
<property>
<name>fs.default.name</name>
<value>hdfs://localhost:9000</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>/usr/local/hadoop/tmp</value>
<description>A base for other temporary directories.</description>
</property>
<property>
<name>fs.file.impl</name>
<value>org.apache.hadoop.fs.LocalFileSystem</value>
<description>The FileSystem for file: uris.</description>
</property>
-
<property>
<name>fs.hdfs.impl</name>
<value>org.apache.hadoop.hdfs.DistributedFileSystem</value>
<description>The FileSystem for hdfs: uris.</description>
</property>
</configuration>
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纱的site.xml
<configuration>
<!-- Site specific YARN configuration properties -->
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property> …Run Code Online (Sandbox Code Playgroud) 我们正在做一个数据隐藏在Video中的项目.我们希望将数据隐藏在视频文件的一个框架中,并且帧编号将存储在音频文件中.在我们的案例中隐藏信息框架正在发挥作用.
我在这里有2个问题1.我能够从视频中的位置N提取帧,但我不知道如何将修改后的帧插回视频.我尝试了以下命令,但会导致视频丢失
[ ffmpeg -i Wildlife.wmv -f image2 -i "D:/testing/2.png" -f image2 -filter_complex "[0:v][1:v]overlay=enable='between(n,450,451)'[out]" -map "[out]" -r 25 -c:v png "D:/testing/output.wmv" -y ]
请帮助我使用ffmpeg或任何其他提供此功能的框架