I know there's no shortage of good one-liner tutorials (your comprehensive collection of links is outstanding though - thanks). The problem I've had with most of those tutorials while working through them was that sometimes I just wanted a solution that did what I needed, and then I could spend the time I saved looking at the fundamentals underlying it. This collection of one-liners is handy to me because I can quickly find a near-fit solution, hack on it to fix my problem du jour, and learn by doing, which works better for me than reading through even the best tutorial.
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