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What is the purpose of the -m switch?
...leHTTPServer. Really handy when I need to share some files without using a usb flash drive.
– arifwn
Sep 30 '11 at 12:18
...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
... types of hardware. Serial ports aren't as common as they used to be, but USB chips which emulate serial ports are pretty popular in the design of specialized hardware. Characters from such things are handled at the application level, since the OS will have no way of knowing that a sequence of inp...
App Inventor 2 视频播放器教程 - VideoPlayer组件与WebView嵌入播放 · App Inventor 2 中文网
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本文档基于 MIT App Inventor 开源项目整理编写，遵循 Apache 2.0 授权。
本文档由 ai2claw 🐝 编写整理，仅供学习参考。
您的改进建议 联系方式： 不需要回复...
App Inventor 2 数据可视化教程 - 折线图/曲线图/实时数据绘图 · App Inventor 2 中文网
...串联前面所学知识。
11.1 功能需求
模拟每秒采集一次温度数据（25°C ± 随机波动）
折线图实时显示最近 30 个数据点
显示当前温度值和最高/最低温度
支持暂停/继续
11.2 界面设计
Scre...
How does the ARM architecture differ from x86? [closed]
...directly with IO while ARM has not. However with specialized IO buses like USBs, need for such features are also disappearing.
If you need a document to quote, this is what Cortex-A Series Programmers Guide (4.0) tells about differences between RISC and CISC architectures:
An ARM processor is ...
CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...从理论角度，理解CDN的实现过程，并利用已有网络环境和开源软件做实际配置，更深刻理解CDN的具体工作过程。
Linux 是开放源代码的免费操作系统，已经成功应用于许多关键领域。Bind是Unix/FreeBSD/Linux等类Unix平台上非常有名DNS...
使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
...ICED Sense 设备测试了这个新开发的组件。 Arduino 101 是一款开源可编程电路板，被选为可与其连接的各种传感器。 用户可以轻松控制电路来连接各种传感器来满足自己的需求。 Arduino 101还具有支持BLE功能的实时操作系统和框架。 ...
App Inventor 2 动态创建组件与布局教程 · App Inventor 2 中文网
...标签、布局），通过改变它们的 Visible 属性和文本内容来模拟动态效果。
优点：无需任何扩展，纯原生功能
缺点：组件数量固定、不够灵活、代码冗长
适用：只需要少量变化且组件数量可预估的场景
方案四：使...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
... 拓展
此SQLite 拓展由中文网开发及维护，基于开源 aix-SQLite 拓展。
与 TaifunSQLite 功能类似，但TaifunSQLite是收费的，美刀。
.aix 拓展下载：
cn.fun123.SQLite.aix
中文网测试案例
.aia 测试源码下载：...
Context switches much slower in new linux kernels
... In some cases these selections are forced on the OS (e.g., on-motherboard USB, eSATA and NICs). In others the OS is expected to respect your wishes (e.g., EIST, C states, Hyperthreading, Execute Disable, AES-NI, Virtualization, etc...). The BIOS provides a single central device/feature selection su...