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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 Inventor 2 中文网
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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
1、硬件接线（特别注意：VCC 3.3v 或 5v 请参阅说明书，不要弄错以免烧坏硬件）
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Trying to fix line-endings with git filter-branch, but having no luck
I have been bitten by the Windows/Linux line-ending issue with git. It seems, via GitHub, MSysGit, and other sources, that the best solution is to have your local repos set to use linux-style line endings, but set core.autocrlf to true . Unfortunately, I didn't do this early enough, so now ever...
What is the shortest function for reading a cookie by name in JavaScript?
...t, accurate, and cross-browser compatible method for reading a cookie in JavaScript?
15 Answers
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How to link Docker services across hosts?
Docker allows servers from multiple containers to connect to each other via links and service discovery . However, from what I can see this service discovery is host-local. I would like to implement a service that uses other services hosted on a different machine.
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Delete newline in Vim
Is there a way to delete the newline at the end of a line in Vim, so that the next line is appended to the current line?
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How can I record a Video in my Android App.?
How can I capture a video recording on Android?
10 Answers
10
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How to loop through an associative array and get the key? [duplicate]
My associative array:
12 Answers
12
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Why are there two ways to unstage a file in Git?
Sometimes git suggests git rm --cached to unstage a file, sometimes git reset HEAD file . When should I use which?
13 An...
Why is it not advisable to have the database and web server on the same machine?
... 1 and 2 ), he was adamant that the SQL server and application server should be on separate machines. Is this just to make sure that if one server is compromised, both systems aren't accessible? Do the security concerns outweigh the complexity of two servers (extra cost, dedicated network connec...
Select all text inside EditText when it gets focus
I have an EditText with some dummy text in it. When the user clicks on it I want it to be selected so that when the user starts typing the dummy text gets deleted.
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