Curious Sam questions

Curious Sam answers

• firebase onAuthStateChanged giving null on opening a link on new tab
• Is nosql injection possible for Ruby on Rails with Mongoid?
• Cannot load file mysql2 on AWS Lambda
• Using nginx map directive to dynamically set proxy upstream
• AWS CodeBuild as non-root user
• Facebook photo get parameters and photo available for how long
• docker stack deploy results in "No such image error"
• With just one particular Bluetooth SPP module, .createRfcommSocketToServiceRecord() suddenly no longer works, but reflection method works