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BLE（三）APP开发步骤 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...thManager.getAdapter()实现
4. 发intent通知系统打开蓝牙
5. 使用startLeScan()函数获取外围设备，并实现BluetoothAdapter.LeScanCallback方法接受扫描结果
6. 调用connectGatt方法对设备进行连接，里面的BluetoothGattCallback对象用于交付操作结果...
micro:bit 连接报错 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...ava:226)
原因：ble版本太旧了，用新版本就可以解决。请使用最新编译出来的拓展（版本20240822）：https://www.fun123.cn/reference/iot/bluetoothle.html。
来源：https://bbs.tsingfun.com/thread-1953-1-1.html
How can I get the current user directory?
...y be this will be a good solution: taking in account whether this is Vista/Win7 or XP and without using environment variables:
string path = Directory.GetParent(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)).FullName;
if ( Environment.OSVersion.Version.Major >= 6 ) {
p...
How to see JavaDoc in IntelliJ IDEA? [duplicate]
...ocumentation or the corresponding keyboard shortcut (by default: Ctrl+Q on Windows/Linux and Ctrl+J on macOS or F1 in the recent IDE versions). See the documentation for more information.
It's also possible to enable automatic JavaDoc popup on explicit (invoked by a shortcut) code completion in Set...
How to run Selenium WebDriver test cases in Chrome?
...iver from:
ChromeDriver Download
Then all you need to do is use the following before creating the driver object (already shown in the correct order):
System.setProperty("webdriver.chrome.driver", "/path/to/chromedriver");
WebDriver driver = new ChromeDriver();
This was extracted from the most ...
Diff files present in two different directories
...u can have access to the diff command by downloading the GNU utilities for Win32.
– Laurent Etiemble
Feb 26 '13 at 13:32
...
How to change default timezone for Active Record in Rails?
In my application.rb I came across the following comment
10 Answers
10
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Access an arbitrary element in a dictionary in Python
... edited Sep 10 '19 at 8:33
Win Myo Htet
5,16733 gold badges3232 silver badges5353 bronze badges
answered Jun 13 '13 at 10:54
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How can I connect to MySQL in Python 3 on Windows?
I am using ActiveState Python 3 on Windows and wanted to connect to my MySQL database.
I heard that mysqldb was the module to use.
I can't find mysqldb for Python 3.
...
Scala framework for a Rest API Server? [closed]
...everal queries that are very likely to be done constantly, so it's time we win and less load on the database.
– fesja
Sep 9 '10 at 18:46
...