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ble蓝牙怎么接收中文 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...的[color=rgba(0, 0, 0, 0.85)]StringsReceived，接收单片机发过来的中文和字符串，字符串能正常显示在标签组件上，但是中文显示为乱码，请问我要怎么处理中文？？
英文能正常显示，中文乱码，那肯定就是字符集编码问题了。
详见...
关于阿里云传输数据问题 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
... 2026-01-04 21:54 编辑
连接阿里云平台时，在软件程序设计中的有关主题发布的消息栏中要直接填写要发送的内容，还是有要阿里云特定的JSON格式？
遇到的问题：平台没反应
求解：
哪里出问题呢？，数据格...
MySQL combine two columns into one column
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Works for T-SQL as well, excellent and simple solution. Reduces two columns into one.
– Ryan Battistone
Feb 15 '19 at 17:55
a...
Writing your own STL Container
...the C++11 standard is freely available here.
You might as well, read some excellent books which will help you understand the requirements from an perspective of user of the container. Two excellent books which struck my mind easily are:
Effective STL by Scott Meyers &
The C++ Standard Librar...
JavaScript hashmap equivalent
... use it as a key.
US state abbreviation + driver license number makes an excellent key.
Country abbreviation + passport number is an excellent key too.
Some function on fields, or a whole object, can return a unique value — use it as a key.
I used your suggestion and cached all objects using a...
Why is `[` better than `subset`?
...is question was answered in well in the comments by @James, pointing to an excellent explanation by Hadley Wickham of the dangers of subset (and functions like it) [here]. Go read it!
It's a somewhat long read, so it may be helpful to record here the example that Hadley uses that most directly addr...
What browsers support HTML5 WebSocket API?
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Webbit is an excellent Java WebSocket server that should be added to the list.
– Aslak Hellesøy
Oct 20 '11 at 0:06
2
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Testing if a checkbox is checked with jQuery
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Stefan Brinkmann's answer is excellent, but incomplete for beginners (omits the variable assignment). Just to clarify:
// this structure is called a ternary operator
var cbAns = ( $("#ans").is(':checked') ) ? 1 : 0;
It works like this:
var myVar = (...
What's the fundamental difference between MFC and ATL?
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+1 I wish I could +10 this. Thanks for the excellent history description -- it's very well-written and informative! :)
– user541686
Aug 27 '11 at 4:57
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How do I remove the last comma from a string using PHP?
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Excellent answer!
– DiChrist
Nov 18 '16 at 12:36
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