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App inventor 如何过去阿里云传来的数据 - App Inventor 2 中文网 - 清泛IT...
...受到数据，但是不知道怎样解析数据这种场景一般是采用mqtt协议通信。不过既然你的app可以接收到数据，那通信就是没有问题了，剩余的数据解析应该不难。
请提供一下数据的格式，以及你想要如何解析它！
app 息屏后连接会断开，需要深入研究一下 - 用户反馈 - 清泛IT社区，为创新赋能！
如题，tcp，蓝牙，mqtt 等连接都会断开。
有办法避免吗？
重连策略有效解决吗？
“虚拟”屏幕demo演示，一屏幕展示多屏内容，模拟切换屏幕 - App应用开发 -...
...样做的好处：大部分需要连接的组件（比如蓝牙客户端、MQTT、BluetoothLE、Wifi、Socket等）如果跨屏幕的话，都需要重新连接，自行管理连接状态，非常不便利，且大部分场景并不是真正的需要多个屏幕才能实现，多个屏幕切换效...
How to prevent a click on a '#' link from jumping to top of page?
...ed Jul 15 '10 at 5:40
Erik Töyrä SilfverswärdErik Töyrä Silfverswärd
8,61722 gold badges2020 silver badges2121 bronze badges
...
UnicodeDecodeError when reading CSV file in Pandas with Python
... whether the interpretation makes sense. For example, if you get "hors d’½uvre" instead of "hors d’œuvre" you probably need to switch from ISO-8859-1 to ISO-8859-15.
– Joachim Wagner
May 14 '18 at 8:03
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Recursively add files by pattern
...standard | grep '\.java$' | xargs git add
– Michel Krämer
May 19 '10 at 10:52
add a comment
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How do I test for an empty JavaScript object?
...d May 19 '10 at 14:07
Erik Töyrä SilfverswärdErik Töyrä Silfverswärd
8,61722 gold badges2020 silver badges2121 bronze badges
...
How can I output UTF-8 from Perl?
...e.g. for a poor man's case folder: perl -Mutf8 -CASDL -pe 'y/āáǎàēéěèīíǐìōóǒòūúǔùǖǘǚǜĀÁǍÀĒÉĚÈĪÍǏÌŌÓǑÒŪÚǓÙǕǗǙǛ/aaaaeeeeiiiioooouuuuüüüüAAAAEEEEIIIIOOOOUUUUÜÜÜÜ/'
– vladr
May 8 '18 at 21:32
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Loop through all the files with a specific extension
...} \; to avoid misparsing of the output of find
– umläute
Jan 21 '15 at 20:15
1
And if you don't...
What is the fastest way to create a checksum for large files in C#
...m).Replace("-", String.Empty).ToLower();
}
And I tested with a file of 29½ GB in size, the results were
10.000: 369,24s
100.000: 362,55s
1.000.000: 361,53s
10.000.000: 434,15s
100.000.000: 435,15s
1.000.000.000: 434,31s
And 376,22s when using the original, none buffered code.
I am running an ...