Results for &#x201C;stream&#x201D;

Encode and decode a file with Base64

Linux Commands: Use GNU base64 for text transport of bytes and --decode for the reverse operation.

Flatten nested collections

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

Group strings by their length

Java: Choose a TreeMap supplier when group keys must have deterministic order.

Index records by a unique key

Java: Use toMap with an explicit merge rule so duplicate keys have defined behavior.

Inspect bytes as hexadecimal values

Linux Commands: Use od with explicit formatting and no address column.

Partition a collection by a predicate

Java: Use partitioningBy to retain both matching and nonmatching values.

Bash ScriptsInput streams & redirection

Pass a variable to standard input

Bash Scripts: A here-string supplies the expanded value followed by a newline.

Bash Scripts✓ Tested

GitRemotes & collaboration

Pull without creating a merge commit

Update a branch only when its upstream can be fast-forwarded.

pull✓ Tested

Read a byte prefix

Linux Commands: Use GNU head -c for a fixed number of bytes, independent of line boundaries.

Read a byte suffix

Linux Commands: Use GNU tail -c to extract a fixed-size ending.