[luck_fenovo]

This is a great resource that helped me for learning Dijkstra's algorithm and A* when I was learning about graphs in general, not just for game programming.

[acbabis]

The post on programming hex grids is another really good one

[edem]

I've actually written one based on his guide: https://github.com/Hexworks/hexameter

[acbabis]

Neat. Bookmarked

[tequila_shot]

ditto. Came here to say the same. Excellent posts.