Results for “json_each”
Small, practical examples. Search by task or narrow things down below.
Read a nested value safely
Combine optional chaining with nullish coalescing in JavaScript.
JavaScript✓ Tested
Read an annotated tag’s message
Git: for-each-ref can inspect annotation contents without including a commit diff.
Git✓ Tested
Read complete lines into an array
Bash Scripts: Mapfile with -t removes each line terminator but preserves other whitespace.
Bash Scripts✓ Tested
Read values from an inserted row
Use RETURNING to retrieve an automatically assigned row ID.
RETURNING✓ Tested
Read values generated by INSERT
Capture an IDENTITY value with OUTPUT.
OUTPUT✓ Tested
Remove collection items that satisfy a condition
Java: Use removeIf on a mutable collection to avoid changing it manually inside a for-each loop.
Java✓ Tested
Remove duplicate records by a selected key
C#: DistinctBy keeps the first record for each key in encounter order.
C#✓ Tested
Remove duplicate values
Use a JavaScript Set to preserve the first occurrence of each primitive value.
JavaScript✓ Tested
Repeat while a condition holds
Python: Count down while a positive number remains, updating the loop variable on each iteration.
Python✓ Tested
Repeat while a condition holds
C#: Count down while a positive number remains, updating the loop variable on each iteration.
C#✓ Tested
Repeat while a condition holds
Java: Count down while a positive number remains, updating the loop variable on each iteration.
Java✓ Tested
Repeat while a condition holds
JavaScript: Count down while a positive number remains, updating the loop variable on each iteration.
JavaScript✓ Tested