Some of my Stack Overflow contributions:

aws

• Images with EC2 BillingProduct codes cannot be copied to another AWS account.

• How to output a machine's Public IP in AWS CloudFormation.

sam

• Implicit APIs vs AWS::Serverless::Apis.
• How to recover from a manually deleted resource in SAM or CloudFormation.
• How to connect SAM local to an external docker network.

serverspec

• Why does Serverspec use should syntax and how do I use expect.

puppet

• Stop Rspec-puppet cleaning up after failed test run.
• Chaining execs to be triggered by changes in a file.
• Difference between puppet apply and puppet agent -t.
• Iterate over an array in Puppet.

vim

• Align text on an equals sign in vim.
• Alphabetically sort lines between 2 patterns in vim.

regex

• Validating IPv4 address using a regex.

bash

• Generate IP addresses in a subnet in Red Hat Linux.

sed

• Print lines between 2 patterns exclusive.

perl

• How to print lines between 2 patterns in a Perl one-liner.