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Google Sheets API Setup · App Inventor 2 中文网
...是一个激活了使用开发者工具的Google帐户，因此如果您还没有这样做，请先导航到https://www.google.com 并创建一个Google帐户。完成后，导航到https://developers.google.com 并登录您想要的Google帐户。这不需要是拥有您打算使用的Google Sheets...
手机当上位机：用二进制协议和设备收发数据 · App Inventor 2 中文网
...节（蓝牙、WebSocket、MQTT 的写法见二进制数据专题）。
没有硬件也没关系：本文附一个 Python 脚本，在电脑上扮演设备。它会回复命令，还会故意把一帧拆成两半发、把两帧粘在一起发、夹一个校验错误的坏帧，
正好检验 App ...
App Inventor 2 试验组件 · App Inventor 2 中文网
...IT 施加的限制。不过，为了方便轻松访问这些组件，如果没有获取ApiKey，那么将会使用MIT获取的ApiKey。由于这需要花钱，因此目前每天的使用次数受到限制。 注意：如果您打包应用程序并分发它，则您应用程序的所有使用都将...
Best practices for circular shift (rotate) operations in C++
...ich is slower and takes more bytes than rol edi,7 on some CPUs (especially AMD, but also some Intel), when BMI2 isn't available for rorx eax,edi,25 to save a MOV.
MSVC: x86-64 CL19: Only recognized for constant-count rotates. (The wikipedia idiom is recognized, but the branch and AND aren't optimiz...
Alarm 闹钟扩展：在指定时间启动App的强大工具 · App Inventor 2 中文网
...定请求代码，以后可以用来删除闹钟。
不幸的是，Android没有提供找出哪些闹钟仍在等待触发的方法。您必须自己管理这些。通知闹钟测试示例展示了如何做到这一点。
CreateAlarm 和 CreateAlarmEx 在指定的延迟后生成闹钟。Android Al...
App Inventor 2 UrsAI2ActionBar 拓展 - 溢出菜单，...菜单 · App Inventor 2 中文网
... Android 应用常见的导航区域。默认情况下，App Inventor 并没有直接提供一个图形组件来编辑这个菜单，但我们可以使用 “ActivityStarter” 或通过调用系统菜单事件来实现自定义内容哦！
✅ 实现方法：使用本文介绍的UrsAI2ActionBar拓...
What is the difference between native code, machine code and assembly code?
...s of assembly languages in use. The one you see is the one that Intel and AMD use. In the open source world, assembly in the AT&T notation is common. The language syntax is heavily dependent on the kind of CPU for which is was written, the assembly language for a PowerPC is very different.
O...
[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...程序打印及打印预览工作得以简化。另一类对话框程序却没有相应支持，从MFC打印及打印预览的标准支持入手，可以在对话框程序中，增加三个类以支持打印及打印预览，本文介绍了这三个类的实现。打印及打印预览是编写应用...
How do you convert a byte array to a hexadecimal string, and vice versa?
...log. Both rather fast, but not taking the lead on the test machine I used (AMD Phenom 9750).
Update (2014-07-31)
Added @CodesInChaos's new byte-based lookup answer. It appears to have taken the lead on both the sentence tests and the full-text tests.
Update (2015-08-20)
Added airbreather's optim...
how to listen to N channels? (dynamic select statement)
...ch more idiomatic, straight-forward, and readable.
Performance. On my Xeon amd64 system the goroutines+channels out performs the reflect solution by about two orders of magnitude (in general reflection in Go is often slower and should only be used when absolutely required). Of course, if there is an...