devodo

sudo apt-get install pdftk

pdftk A=doc1.pdf B=doc2.pdf C=doc3.pdf cat A1-17 B1 A19-27 C1 output merged.pdf

devodo

git config -e --global

[alias]
        del-merged = "!git branch --merged master | grep -v master | cut -d/ -f2- | xargs -n1 -I % sh -i -c 'git push -d origin \"%\"; git branch -d \"%\";'"

devodo

CREATE OR REPLACE FUNCTION max (uuid, uuid)
RETURNS uuid AS $$
BEGIN
	IF $1 IS NULL OR $1 < $2 THEN
		RETURN $2;
	END IF;

	RETURN $1;
END;
$$ LANGUAGE plpgsql;