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App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
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最新版拓展下载：
edu.mit.appinventor.ble-20230728.aix
低功耗蓝牙，也称为蓝牙 LE 或简称 BLE，是一种类似于经典蓝牙的新通信协议，不同之处在于它旨在消耗更少的功耗，同时保持可比的功能。
因此，低功耗...
iOS Detect 3G or WiFi
I am not sure if this is possible, but I have this scenario.
10 Answers
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Detecting syllables in a word
I need to find a fairly efficient way to detect syllables in a word. E.g.,
15 Answers
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AndroidRuntime error: Parcel: unable to marshal value
...on. Stepping through the debugger it seems that it adds the HashMap no problem, however when startActivty() is called I get a runtime error stating that Parcel: unable to marshal value com.appName.Liquor.
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Where is the list of predefined Maven properties
...help:effective-pom stands as a great tool for discovering properties available. maven.apache.org/plugins/maven-help-plugin/…
– Peter Kahn
Jul 4 '16 at 15:01
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How to create streams from string in Node.Js?
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From node 10.17, stream.Readable have a from method to easily create streams from any iterable (which includes array literals):
const { Readable } = require("stream")
const readable = Readable.from(["input string"])
readable.on("data", (chunk) => {...
@RequestParam vs @PathVariable
What is the difference between @RequestParam and @PathVariable while handling special characters?
7 Answers
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Hiding a password in a python script (insecure obfuscation only)
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But doesn't help the fact that the script must be readable by the user running it and the password must not.
– Martin Beckett
Oct 1 '08 at 15:35
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How to write UPDATE SQL with Table alias in SQL Server 2008?
...nt on SQL Server is as follows:
UPDATE Q
SET Q.TITLE = 'TEST'
FROM HOLD_TABLE Q
WHERE Q.ID = 101;
The alias should not be necessary here though.
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MySQL Select all columns from one table and some from another table
How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL.
4 Answers
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