| Description | Command |
|---|---|
| Start a new session with session name | screen -S <session_name> |
| List running sessions / screens | screen -ls |
| Attach to a running session | screen -x |
| Attach to a running session with name | screen -r |
Phil Lee asmega
beneggett
/ cheatsheet.rb
Created
January 13, 2023 16:25
— forked from mabenson00/cheatsheet.rb
Rails ActiveRecord JSON cheatsheet
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| # Basic key operators to query the JSON objects : | |
| # #> : Get the JSON object at that path (if you need to do something fancy) | |
| # -> : Get the JSON object at that path (if you don't) | |
| # ->> : Get the JSON object at that path as text | |
| # {obj, n} : Get the nth item in that object | |
| # https://www.postgresql.org/docs/9.4/functions-json.html#FUNCTIONS-JSONB-OP-TABLE | |
| # Date | |
| # date before today |
