Szabolcs Besenyei besza

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besza / WalkFileTreeDemo.java

Created December 29, 2021 22:52

Practical NIO with Ben Evans: https://blogs.oracle.com/javamagazine/post/java-path-nio2-directory-extensions-zip

	import java.io.IOException;
	import java.nio.file.AccessDeniedException;
	import java.nio.file.FileVisitResult;
	import java.nio.file.Files;
	import java.nio.file.NoSuchFileException;
	import java.nio.file.Path;
	import java.nio.file.SimpleFileVisitor;
	import java.nio.file.attribute.BasicFileAttributes;

	public class WalkFileTreeDemo {

besza / upper_triangular_matrix.cpp

Created May 9, 2016 15:39

Transform NxN upper triangular matrix to a 1D row-major vector

	#include <stdio.h>

	// fhm - felso haromszog matrix

	// nxn-es fhm nem-nulla elemeinek a szamossaga
	int fhm_elemei(int n)
	{
	return (n*n + n)/2;
	}