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I have this list of character stored in a variable called x:

I have a Raspberry PI 3 and a GSM/GPRS/GNSS HAT.

I want to read the GPS data from the device with Python. I have used the example code from the documentation, and rewrote it a bit. It was working for a couple of hours perfectly, but one time when I rebooted the Raspberry(I have rebooted it before and it was working fine) it started throwing this after a couple of successful reads:

I am a beginner in the use of genetic algorithms, especially the GA algorithm. I would like to know how to optimize a function with two independent variables and several parameters. My first variable is a continuous variable and my second variable is a binary variable. Here is the code I produced but it does not work.

This is what i want to obtain

I am trying to update a specific row in a table; however, when the query runs, it updates the last record added instead of the record selected.

The SQL statement was taken straight from phpmyAdmin. I have tried "UPDATE registration_tbl SET Paid = 'PAID' WHERE ID='$row21'" and that still did not work.

Have I put something wrong in the code?

When I analyse raz2005 data from mrcorr package for repeated measures correlation with the following code:

I am attempting to output the contents of a text file to a discord channel via Discord. The issue I have is that there is a 2000 character limit. I have been able to bypass this by using the code below

I have used the following packages to:

1. read from the serial port (go get go.bug.st/serial)
2. parse the incoming message from the serial port (go get adrianmo/go-nmea)

Host machine: Windows 10

Go Version: go version go1.14.4 windows/amd64

Based on the documentation I wrote a simple code that opens the dedicated serial port (COM4) and reads the NMEA data from the port and tries to parse the data according to the go-nmea package

Incoming Data from GPS sensor:

I am trying to add an easyButton with a flyTo function within a shiny app in R.

When the user presses the button, it will fly to the current location (lat/long). I am using a reactivePoll to poll a boat instrument simulator every 5 seconds (NMEA simulator), which is where the lat/long come from. A path is also drawn by using addCircleMarkers. I want to keep this path drawn, and the flyTo button to pan and zoom to the current location without refreshing the map, i.e. removing the path that was drawn.

In my current code with the flyTo button, with every poll the map refreshes. If I remove this code, the map does not refresh, so I think how I'm using the reactive within this button is the issue, but I'm not sure why. It may be because I have a reactive inside a reactive (All_NMEA() inside of renderleaflet()). The code of interest in the reprex is:

I have the following form. I've added each item as per .AddItem "", however they are not populating in the combobox in the userform.

(This is in a separate module referring to the userform)

Code