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KB485030: How to connect to MongoDB by JDBC driver in MicroStrategy 2021 Update 2 with different port numbers
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Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it.
![Working with esp32 cam module. The code compiles well but there's an error when uploading the code to the board. "serial.serialutil.SerialException: could not open port 'COM3': WindowsError(5, 'Access is denied.') Failed to Working with esp32 cam module. The code compiles well but there's an error when uploading the code to the board. "serial.serialutil.SerialException: could not open port 'COM3': WindowsError(5, 'Access is denied.') Failed to](https://i.redd.it/gnzoiqvmqh3a1.png)
Working with esp32 cam module. The code compiles well but there's an error when uploading the code to the board. "serial.serialutil.SerialException: could not open port 'COM3': WindowsError(5, 'Access is denied.') Failed to
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