(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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No Fault Paths in Flows
Checking collection emptiness before DML
No assertions in Tests
Only catching general Exception in try-catch
Excessive amount of System.Debug()
Exactly 75% test coverage
SOQLs without WHERE or LIMIT outside Batch
All classes in without sharing mode
No test data factory or builder
Excessive lack of .startTest() and .stopTest()
Using Profiles instead of Permission Sets
Missing bulk tests in test classes
Hard-coded ID
Public Read/Write OWDs
Gigantic Flow instead of multiple Subflows
Multiple triggers on one sObject
Code in trigger instead of Trigger Handler
No flags to deactivate trigger and validation rules declaratively
SOQLs in loop
Hard-coded authentication instead of using Named Credentials
Getting IDs by loop instead of Map(records)
Non‑descriptive variable names in Flow
DMLs in loop
Multiple Record Triggered Flows on same OperationType on one sObject
