Golang: Restart web server on file change

A great feature of scripting languages like PHP, Python and Ruby is that you don’t need to re-compile the app or restart a web server every time you change something. With Go, you need to restart the web server for your changes to take affect. This can be a pretty daunting task. We can, however, […]

Golang: Get the function caller’s name

Problem Consider this code:

In the function foo, we want to get the name of the function (and preferably file name and number ) that called it. Solution We can get this information by traversing the stack trace (which Go’s “runtime” package has handy functions for:

Golang: Connect to Postgres and selecting data from a table

You will need to get the Postgres driver first. In the terminal type:

Connecting to Postgres

Selecting data from a table After connecting to the database, you can do the following: