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C/C++ macro string concatenation
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Just for the record, "s""1" is valid in C (and C++). They are two tokens (string literals) that the compiler would concat itself and threat as one token.
– Shahbaz
Jul 31 '12 at 9:24
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ESP8285接入App Inventor 2深度调研：4种连接方案+是否需要开发拓展 - 创客...
...ESP8285官方数据手册，深度调研ESP8285芯片接入App Inventor 2的所有可行路径。
一、ESP8285芯片概述
ESP8285是乐鑫(Espressif)推出的WiFi SoC，本质是ESP8266的"内置Flash版本"：
参数ESP8285ESP8266CPUTensilica L106, 80/160MHz相同WiFi802.11 b/g...
Wrapping a C library in Python: C, Cython or ctypes?
...marks on the various options.
I might be more hesitant if I had to wrap a C++ library with lots of classes/templates/etc. But ctypes works well with structs and can even callback into Python.
share
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App Inventor 2 OCR 文字识别方案：在线云 API 与离线拓展 · App Inventor 2 中文网
...度、计费和接口限制以服务商当前规则为准。
当然类似的api不光能识别文字，还能识别物品等，AI相关的功能几乎都能找到云端的解决方案，比较方便快捷，不过这类api往往都是收费的。
2、使用现有OCR拓展
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Accessing private member variables from prototype-defined functions
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"scoping in reverse" is a C++ feature with the "friend" keyword. Esentially any function should define it's prototype as it's friend. Sadly this concept is C++ and not JS :(
– TWiStErRob
Sep 21 '13 at 18:22
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micro:bit 实验08 - 摇一摇与倾斜检测 · App Inventor 2 中文网
...实验做完你会得到什么
倾斜 micro:bit，手机上的小球跟着滚；用力摇一摇，手机弹出提示并换个颜色。
这是 micro:bit 系列的收尾篇，把前面学的订阅、阈值判断、平滑滤波用在一起。
项目
说明
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AccessibilityTools 无障碍工具扩展：执行返回、主页和最近任务等操作 · A...
...具扩展
大家好。今天我向这个优秀社区介绍我的另一个贡献：一个非常小但非常有用的扩展：Accessibility Tools。
组件名：AccessibilityTool
包名：aryan.gupta.BackButton.AccessibilityTool
版本：1
作者：Aryan Gupta（AryanGupta）
发布...
JPush 极光推送扩展 · App Inventor 2 中文网
...onId) {
标签_注册ID.Text = registrationId
// 将此 ID 发送给你的服务器，用于定向推送
}
方法
初始化
Initialize()
初始化极光推送。在设计器中设置 AppKey 后调用此方法即可开始接收推送
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Efficiency of premature return in a function
... of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions run just as efficiently? Is there any difference in the compiled code?
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How the single threaded non blocking IO model works in Node.js
...lar fashion. The internal thread architecture is something like this:
The C++ threads are the libuv ones which do the asynchronous I/O (disk or network). The main event loop continues to execute after the dispatching the request to thread pool. It can accept more requests as it does not wait or sle...