Well, I've saved a couple: * Joost's mental toolbox for coding problems: http://joostdevblog.blogspot.com/2015/07/building-your-mental-toolbox-for.html http://

Well, I've saved a couple: * Joost's mental toolbox for coding problems: http://joostdevblog.blogspot.com/2015/07/building-your-mental-toolbox-for.html http://joostdevblog.blogspot.com/2015/07/building-your-menta... * taw's data processing toolkit: http://t-a-w.blogspot.com/2008/01/pagerank-new-addition-to-your-data.html http://t-a-w.blogspot.com/2008/01/pagerank-new-addition-to-y... * thinkagainer's list of conceptual tools https://twitter.com/thinkagainer/status/1475975339818065920 https://twitter.com/thinkagainer/status/1475975339818065920