大约有 900 项符合查询结果(耗时:0.0135秒) [XML]

https://bbs.tsingfun.com/thread-2216-1-1.html 

在APP Inventor的BLE组件使用RequestMTU方法之后,发送的字符数依旧限制在2...

...输数据,但是发送和接受的数据都是20字节的分包。使用BLE调试宝,在里面修改MTU,返回的值是512,并且是修改成功的,但是在编程中使用RequestMTU方式设置512,,并且读取返回值也是512,然后调用方法WriteString发送字符串,字符串...
https://bbs.tsingfun.com/thread-2264-1-1.html 

BLE connection error “Connection status was set to OS code 133” - 创...

https://stackoverflow.com/questi ... droid-bluetooth-ble 问题原来是设备试图发送大于 MTU 大小的数据包,Android 默认为 23,至少在我测试的特定设备上是这样。 请求更大的 MTU 大小确实解决了问题。 但是,如果错误代码可以明确指出...
https://bbs.tsingfun.com/thread-2312-1-1.html 

- App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...义的。如果您正在开发一个更通用的 UI,以便人们探索 BLE 建议中可用的服务,那么您可能需要查看 DeviceCharacteristics 属性,该属性返回一个包含服务、特性和名称(如果扩展程序知道特性名称)的元组列表。 但是:经过实...
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Why can't my program compile under Windows 7 in French? [closed]

...gram in LOGO (not to be confused with LOGO of course). pour exemple répète 18 [av 5 td 10] td 60 répète 18 [av 5 td 10] fin share edited Apr 13 '17 at 12:46 ...
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Length of string in bash

...ars len: %s.\n" "$1" $bytlen ${#1} "$sreal" } will work as strLen théorème String 'théorème' is 10 bytes, but 8 chars len: $'th\303\251or\303\250me' Useful printf correction tool: If you: for string in Généralités Language Théorème Février "Left: ←" "Yin Yang ☯";do printf "...
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SQL Server: Make all UPPER case to Proper Case/Title Case

...--------- All Upper Case and Some lower Ää Öö Üü Éé Øø Cc Ææ share | improve this answer | follow | ...
https://bbs.tsingfun.com/thread-2380-1-1.html 

micro:bit 连接报错 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...运行故障 java.lang.ExceptionInInitializerError at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.subscribeBluetoothLEint.java:357) at edu.mit.appinventor.ble.BluetoothLEintSBLEReadOperation.run(BluetoothLEint.java:325) at android.os.Handler.handleCallback(Handler.java:1013) at androi...
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Why does modern Perl avoid UTF-8 by default?

...=>"is",level => 1)->eq("d", " ð") is false. Similarly, "ae" and "æ" are eq if you don’t use locales, or if you use the English one, but they are different in the Icelandic locale. Now what? It’s tough, I tell you. You can play with ucsort to test some of these things out. Consider ...
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How do I copy a string to the clipboard on Windows using Python?

...ndows default encoding. Allowed me to load this to the clipboard "másreas ç saod é í ó u* ü ö ï/" and read it back correctly. – mvbentes May 12 '16 at 17:18 ...
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HTML5 Canvas vs. SVG vs. div

What is the best approach for creating elements on the fly and being able to move them around? For example, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around. ...