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Add the repository You can check the full list here https://github.com/nodesource/distributions/tree/master/deb Install Nodejs

Import GPG public key If everything goes well, you will get this message Export your imported key to a file Move exported key to correct place Check if everything goes well Double check! Your key should be listed here

Install snapd Install snapd core package and update Install certbot Generate manual certificate with DNS authentication Successful certificates for every domain will be placed in README file

Create some string from byte array and print it as ASCII string Create some string from byte array and print it as UTF8 string

Writing to a file from stdin line by line Writing to a file from a variable Writing to a file as Byte[]

Read a file and stream to stdout Read a file line by line and save it to a variable Read a file as Byte[]

Output Input

Get available serial port Setup the port Set port property Construct the request Send request to the port References: SerialPort Class (System.IO.Ports) | Microsoft Docs

Open files in tab Navigating in tab Moving tab

GET Request To call a GET request to localhost:8080/path GET Request with Parameter Query To call a GET request to localhost:8080/path?param1&value1&param2=value2 Use wget: POST Request (application/x-www-form-urlencoded) To call a POST request to localhost:8080/path POST Request with Query Parameters POST Request (multipart/form-data) To call a POST request to localhost:8080/path