Nick TriggleHealth correspondent
Transforms don't execute until the consumer pulls. There's no eager evaluation, no hidden buffering. Data flows on-demand from source, through transforms, to the consumer. If you stop iterating, processing stops.
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In a widely cited series of studies in the late 1990s and early 2000s led by Professor C. Raymond Knee at the University of Houston, researchers found that people who believed relationships were "meant to be" were far more likely to doubt their commitment after conflict. Those with more growth-minded views tended to stay more committed, even on days when they argued.
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