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Results for “jsonb_set”

Small, practical examples. Search by task or narrow things down below.

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PostgresJSON & arrays

Replace a nested JSONB value

Change one path with jsonb_set.

jsonb_set✓ Tested
Bash ScriptsParameter expansion

Assign a default to an empty or unset variable

Bash Scripts: The colon-equals expansion both supplies and assigns a fallback value.

Bash Scripts✓ Tested
Arduino / CData & storage

Average a fixed set of readings

Accumulate sample values without overflowing a 16-bit total.

array✓ Tested
PostgresJSON & arrays

Check JSONB containment

Test whether an object contains a key-value pair.

jsonb✓ Tested
Bash ScriptsDiagnostics & defensive scripting

Check whether a variable exists under nounset

Bash Scripts: The plus expansion distinguishes an unset variable without reading its missing value.

Bash Scripts✓ Tested
Bash ScriptsText parsing & arithmetic

Clamp a numeric setting to a valid range

Bash Scripts: Use arithmetic comparisons before applying a user-supplied bounded setting.

Bash Scripts✓ Tested
C#Collections & data structures

Combine collections as a distinct set

C#: Union retains each value once across both inputs.

C#✓ Tested
C#Dates & precise numbers

Convert a timestamp to a different fixed offset

C#: ToOffset changes the displayed local time while retaining the same instant.

C#✓ Tested
PythonDates & time zones

Convert an aware datetime to another offset

Python: Use astimezone for conversion; replacing tzinfo alone does not convert an instant.

Python✓ Tested
C#Dates & precise numbers

Convert Unix seconds to an offset-aware timestamp

C#: DateTimeOffset preserves the UTC offset explicitly.

C#✓ Tested
CSmall algorithms & bit operations

Count set bits in an unsigned integer

C: Clearing the lowest set bit on each iteration counts only one iteration per set bit.

C✓ Tested
PowerShellCommands & execution context

Discard incidental output from a setup command

PowerShell: Out-Null prevents setup objects from becoming part of a function or script’s useful result.

PowerShell✓ Tested