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Results for “transform”

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

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JavaStream transformations

Calculate several numeric stream statistics

Java: Use summaryStatistics to calculate count, sum, minimum, maximum, and average in one pass.

Java✓ Tested
JavaStream transformations

Check any and all stream elements

Java: Use short-circuiting match operations for predicates over a Java collection.

Java✓ Tested
Linux CommandsTransforming text

Collapse repeated spaces

Linux Commands: Use tr -s when repeated occurrences of a character should become one.

Linux Commands✓ Tested
Linux CommandsTransforming text

Convert tab stops to spaces

Linux Commands: Use expand with a fixed tab width when preparing plain-text alignment.

Linux Commands✓ Tested
C#LINQ transformations

Create a reusable one-to-many lookup

C#: ToLookup groups values by key and returns an empty sequence for an unknown key.

C#✓ Tested
Linux CommandsTransforming text

Extract a delimited text column

Linux Commands: Use cut for simple unquoted delimiter-separated text.

Linux Commands✓ Tested
CArray transformations

Filter an array in place with a write index

C: Only retained values advance the write position.

C✓ Tested
C#LINQ transformations

Find a matching item with a fallback

C#: Use the FirstOrDefault overload with an explicit default value.

C#✓ Tested
JavaStream transformations

Find the first matching stream value

Java: Use findFirst and an explicit default for an empty result.

Java✓ Tested
RustIterators & transformations

Find the first matching value

Find the first matching value in a complete Rust program using the standard library.

Rust✓ Tested
CArray transformations

Find the smallest value in a nonempty array

C: Initialize from the first element instead of assuming a numeric sentinel.

C✓ Tested
JavaStream transformations

Flatten nested collections

Java: Use flatMap to concatenate nested Java lists into one stream.

Java✓ Tested