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

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Bash ScriptsGetting Started

Store text in a variable

Bash Scripts: Store text in a variable with a small standalone Bash program.

Bash Scripts✓ Tested
SQL ServerSelect & page

Substitute a value for NULL

Use SQL Server’s ISNULL expression.

ISNULL✓ Tested
Bash ScriptsInput streams & redirection

Substitute values into a multiline template

Bash Scripts: An unquoted heredoc delimiter enables parameter expansion in the template.

Bash Scripts✓ Tested
RustNumbers & durations

Subtract durations without underflow

Subtract durations without underflow in a complete Rust program using the standard library.

Rust✓ Tested
PowerShellCollections & objects

Sum a collection

Calculate a total with Measure-Object.

Measure-Object✓ Tested
Bash ScriptsLoops & decisions

Sum a range of integers

Use an arithmetic loop without launching external processes.

arithmetic✓ Tested
SQLWindow analytics

Sum a row and its immediate predecessor

SQL: A ROWS frame counts physical ordered rows rather than all peers with the same sort value.

SQL✓ Tested
SQL ServerWindow analytics

Sum a row and its immediate predecessor

SQL Server: A ROWS frame counts physical ordered rows rather than all peers with the same sort value.

SQL Server✓ Tested
PostgresWindow analytics

Sum a row and its immediate predecessor

Postgres: A ROWS frame counts physical ordered rows rather than all peers with the same sort value.

Postgres✓ Tested
SQLiteWindow analytics

Sum a row and its immediate predecessor

SQLite: A ROWS frame counts physical ordered rows rather than all peers with the same sort value.

SQLite✓ Tested
CArrays

Sum array values

Iterate over a fixed C array using a size-derived element count.

C✓ Tested
C#Data & dates

Sum integer values

Sum a C# sequence using LINQ.

C#✓ Tested