I was recently tasked with upgrading our Ruby on Rails application at work: my goal was to move two major versions up, with a middle step on a minor version (and a server OS upgrade that was not even planned!). This was an incredible experience and I learned a lot from it. Here are some take-aways I can share:
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):
I used these two articles as a reference: