In some cases, especially for fewer columns with many duplicated values, one row group may have tons of records, thus causes extremely bad performance on downstream Spark queries. I propose to make ...

The number of oil drilling rigs worldwide fell by 82 units year-on-year (YoY) and 30 month-on-month in December to 1,783, data from the oilfield services company Baker Hughes showed. The Middle East ...

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Abstract: Walking speed and distance are usually collected when performing clinical tests such as the 6-Minute Walk Test (6MWT). Wearable devices and smartphones can help bring these tests to the home ...

LIVERPOOL -- Arsenal may be top of the Premier League at Christmas again, but Mikel Arteta's team are beginning to resemble one of those toys whose batteries have a frustratingly short lifespan. But ...

Suzail Ahmad is a writer from Kashmir. He has been a manga and gaming enthusiast for more than a decade. As an expert, he aims to provide an in-depth analysis of titles from both mediums. When he is ...