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.
Ocado to cut 1,000 jobs in £150m cost-saving drive
寻找从一个电话开始。陈润庭联系了隆都镇政府，对方承诺通知乡里，之后便杳无音信。转机出现在他父亲——一位族谱爱好者身上。当他驱车前往鹊巷村，在党群服务中心提起林木通时，妇联主任立刻回应，木通已经去世蛮久了，但是他还有儿子，她有他儿子的微信。，推荐阅读im钱包官方下载获取更多信息
Раскрыты подробности о договорных матчах в российском футболе18:01
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Apple CEO Tim Cook has teased “a big week ahead" for Apple, starting on the morning of Monday, March 2. The company had already announced an in-person event for media and creators on March 4, while rumors had pointed toward Apple revealing at least five products over three days next week, so it looks like the stars are aligning for that to actually be the case.。业内人士推荐旺商聊官方下载作为进阶阅读