I solder very rarely and quite badly, but switching to non-lead solder just made it impossible to get good joints. I had to get a better iron, nothing fancy but with higher effect, meaning I can get to a higher temperature faster without turning the whole PCB into mush.
If I understood the article correctly it caused problems when the same file was imported multiple times, or when another file with the same base name was imported.
Who's more intelligent, person A that would score 80% on a test given 30 minutes, and 85% given 60 minutes; or person B that would score 50% given 30 minutes, but 99% given 60 minutes?
Person A might be perceived as quick, have an accurate intuition, and able to come up with a lot of ideas. Person B on the other hand is of the slow and steady kind that will methodically and tirelessly work on a problem until it's solved.
I think this is getting close to the idea of liquid intelligence and crystallized intelligence. The scary thing about valuing the liquid kind is that it’s the one that shrinks with age. Crystallized intelligence grows with age.
Working memory size, processing speed, fluid intelligence (novel problem solving / creativity), and crystallized intelligence (knowledge), are are all different components of intelligence that are pairwise not perfectly correlated.
Some person A can solve problem X in 1 minute and problem Y in 1 hour, while some person B can solve both in 10 minutes, even with the same crystalized intelligence.
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