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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
...文链接下载。请注意：使用串口工具软件之前，一般需要安装硬件厂商提供的驱动程序。
电脑端打开串口：
UART上指示灯会开启，说明串口已打开：
测试与BLE硬件通信（数据透传）手机App端发送数据，BLE硬件（电脑串口）读...
C/C++中退出线程的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...行时，系统会自动撤消任何窗口，并且卸载线程创建的或安装的任何挂钩。其他对象只有在拥有线程的进程终止运行时才被撤消。
（2）线程的退出代码从STILL_ACTIVE改为传递给ExitThread或TerminateThread的代码。
（3）线程内核对象...
比尔盖茨“未来生活预言”的科技豪宅（图） - 资讯 - 清泛网 - 专注C/C++及内核技术
...无论你走到哪个房间，音乐都会跟随着你，因为墙纸背后安装了隐形的扬声器。
-绿色生态建筑的典范 -
世外桃源2.0完全与周边环境融为一体，因此房屋的温控系统非常节能。
-墙上的相框其实是触摸屏 -
整个房屋...
How to add pandas data to an existing csv file?
...umns) != len(pd.read_csv(csvFilePath, nrows=1, sep=sep).columns):
raise Exception("Columns do not match!! Dataframe has " + str(len(df.columns)) + " columns. CSV file has " + str(len(pd.read_csv(csvFilePath, nrows=1, sep=sep).columns)) + " columns.")
elif not (df.columns == pd.read_csv(c...
Run an app on a multiple devices automatically in Android Studio
...te of Android Studio that is Android Studio 3.5
Android Studio 3.5
Build #AI-191.8026.42.35.5791312, built on August 9, 2019
JRE: 1.8.0_202-release-1483-b03 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows Server 2016 10.0
In this update they have added in-built option to run applic...
Lisp in the real world
...
Please don't assume Lisp is only
useful for Animation and Graphics, AI,
Bioinformatics, B2B and E-Commerce,
Data Mining, EDA/Semiconductor
applications, Expert Systems, Finance,
Intelligent Agents, Knowledge
Management, Mechanical CAD, Modeling
and Simulation, Natural Language,
...
C语言之父辞世引发“分号”悼念 - 创意 - 清泛网 - 专注C/C++及内核技术
...然里奇本人并不认可这一说法。
在Unix研发成功后不久，安装了这一程序的PDP-11被放在贝尔实验室供大家使用。有一天，大家发现两位创始人总是可以得到最高的权限轻松进入他们的帐户，在贝尔实验室这种高人云集的地方，这...
Run a Docker image as a container
...essfully, but what do I do with it? Shouldn't i be able to run it as a container?
11 Answers
...
Batch: Remove file extension
..." %%f in (*.flv) do (
echo %%~nf
)
pause
The following options are available:
Variable with modifier Description
%~I Expands %I which removes any surrounding
quotation marks ("").
%~fI Expands %I to a fully qualified path name...
SQL Server query to find all permissions/access for all users in a database
...
WHEN 'U' THEN ulogin.[name] COLLATE Latin1_General_CI_AI
END,
[UserType] = CASE princ.[type]
WHEN 'S' THEN 'SQL User'
WHEN 'U' THEN 'Windows User'
END,
[DatabaseUserName] = princ.[name],
...