Learning Go (a.k.a as Golang) was one of my personal goals for 2019 and I chose the book “Get Programming with Go”, by Nathan Youngman and Roger Peppe as my learning resource. Even though there are several other resources out there, I chose this book because they state on their website that “[it] introduces you to the powerful Go language without confusing jargon or high-level theory” and I like to have a physical book to reference to when learning a new code language. Go is also my first statically typed language, so I was looking for something that would walk me through from the very basics.

You want to see line 3842 of file called my_super_long_file.py and you can only access that file using vim. You open the file and to your dismay, by default, vim doesn’t display line numbers. Here are your options:

When I need to create a new custom Docker image, I usually start with a base image (alpine, debian, python, etc, depending on the project), running it in the interactive mode and install the tools and dependencies I will need. Once I get my container the way I want, I create a Dockerfile with all the commands I ran inside my container. It works, but I just learned that this might be unnecessary extra work.

For a text like the following:

This is the line I want to move.
This line should be the first line.

In order to move the first line down, in normal mode* (not edit or insert mode), follow these steps:

Only two steps required (it assumes an existing account in AWS console):

• Create a Lambda function in AWS
• Deploy your Lambda function with AWS API Gateway

I used these two articles as a reference: