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FFmpeg on Android

...)); } ShellDummy shell = new ShellDummy(); String mp3BitRate = "192"; try { ffmpeg.extractAudio(in, out, audio, mp3BitRate, shell); } catch (IOException e) { Log.e(DEBUG_TAG, "IOException running ffmpeg" + e.getMessage()); } c...
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Find and copy files

... find -iname '*.mp3' -mtime -1 -exec cp {} /home/my_path/ \; is there anything wrong with this command ? it's not working – mrid Feb 20 '18 at 5:13 ...
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Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 性能如何 是否有一些执行耗时的操作,I/O,网络文件下载,文件解析等,是否可以进行优化?是否会影响到功能体验?使用异步线程执行会更好吗? 多线程相关 是否涉及到多线程,临界区访问是否正常?会引入多线程...
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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网

...《App Inventor 2 MQTT拓展入门(保姆级教程)》 最新版拓展下载: de.ullisroboterseite.ursai2pahomqtt.aix MQTT(Message Queuing Telemetry Transport:消息队列遥测传输) MQTT 发明于 1999 年,为物联网设计的轻量级协议,基于TCP协议实现。 M...
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Encapsulation vs Abstraction?

... mobile phone, you see their different types of functionalities as camera, mp3 player, calling function, recording function, multimedia etc. It is abstraction, because you are seeing only relevant information instead of their internal engineering. abstract class MobilePhone { public vo...
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App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网

...播 属性 方法 事件 « 返回首页 最新版拓展下载: edu.mit.appinventor.ble-20230728.aix 低功耗蓝牙,也称为蓝牙LE 或简称 BLE,是一类似于经典蓝牙的新通信协议,不同之处在于它旨在消耗更少的功耗和成本,同时保持同...
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What is q=0.5 in Accept* HTTP headers?

...o be based on the quality of the encoding. Consider, for instance, FLAC vs MP3. You could say something like: "Send me the MP3 version if it at worst is 50% of the quality of the lossless version. If it isn't, send me the FLAC version." How to quantify such quality, and whether that is used in pract...
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Static variables in JavaScript

...le: ' + this.title; } }; // static property Podcast.FILE_EXTENSION = 'mp3'; // static function Podcast.download = function(podcast) { console.log('Downloading ' + podcast + ' ...'); }; Given that example, you can access the static properties/function as follows: // access static properti...
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...终于找到了,原来使用Eclipse进行OpenGL开发,还需要另外下载OpenGL插件,如下图: 这里有OpenGL的类库,还有一个示例,把类库下载下来,解压,放到Eclipse的Plugin目录下,然后在我们的项目中添加依赖项,就可以看到我们需要...
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How to get the Full file path from URI

... Use: String path = yourAndroidURI.uri.getPath() // "/mnt/sdcard/FileName.mp3" File file = new File(new URI(path)); or String path = yourAndroidURI.uri.toString() // "file:///mnt/sdcard/FileName.mp3" File file = new File(new URI(path)); ...