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How to concatenate two MP4 files using FFmpeg?
... FILES
For .mp4 files (which I obtained from DailyMotion.com: a 50 minute tv episode, downloadable only in three parts, as three .mp4 video files) the following was an effective solution for Windows 7, and does NOT involve re-encoding the files.
I renamed the files (as file1.mp4, file2.mp4, file3....
手握利器，直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...
...文件，让您痛快将其斩首。
WinDbg是免费软件，其微软官方下载地址是http://www.microsoft.com/whdc/devtools/debugging/default.mspx，具体项目为Install Debugging Tools for Windows 32/64-bit Version。
使用WinDbg分析崩溃时的内存转储文件的前提是...
What are the differences between django-tastypie and djangorestframework? [closed]
...on.eu 2011 site is now dead, but I've linked directly to the video on blip.tv.
– Tom Christie
Oct 9 '12 at 13:44
...
How do I fix blurry text in my HTML5 canvas?
...hat here: stackoverflow.com/questions/22483296/…
– TV's Frank
Mar 19 '14 at 8:19
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show 6 more comments
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BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...的Service打包后的集合，如电池、心率、血压等，可参照官方Profiles Overview，对分析并无大用。
Service和Characteristic则是比较重要的，Service可以理解为PHP中的“类”、功能对象的集合。Characteristic可以理解为PHP的“函数”，是GATT中...
How to detect iPhone 5 (widescreen devices)?
...l { return UIDevice.current.userInterfaceIdiom == .carPlay }
class var tv:Bool { return UIDevice.current.userInterfaceIdiom == .tv }
class var typeIsLike:DisplayType {
if phone && maxLength < 568 {
return .iphone4
}
else if phone && maxL...
Further understanding setRetainInstance(true)
... of the container view.
This strongly implies that if you do setContentView(R.layout.whatever) in Activity.onCreated() and that layout contains a fragment with setRetainInstance(true), then when the activity is recreated it will be searched for again using its id or tag.
Secondly, for UI-less ...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...关于性能优化的优质博文网上也还是有很多的，譬如Google官方都已经推出了优化专题，我这里只是总结下自的感悟而已，若有得罪欢迎拍砖，我愿挨打，因为我之前工作的一半时间都是负责性能优化）。
当然了，本文不会就此...
How to change fontFamily of TextView in Android
... easy to find place, say for the documentation of android:fontFamily on TextView.
– Christopher Perry
Oct 30 '13 at 17:53
8
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...版本内核发行版使用systemd管理服务，不容易降级)
根据官方报告，跟原生centos-6.5相比，提升260%-620%(24核以上)
Fastsocket架构
上图可以很清楚的看到， 它也是利用本文前述的技术原理和多核优化原则。
通过在网卡多队列RS...