Describe the bug The array_concat function throws an Arrow compute error concat requires input of at least one array when called with NULL list literals (e.g., NULL::integer []).

Brief Communication Published: 02 November 2000 Materials science Single-walled 4 Å carbon nanotube arrays N. Wang, Z. K. Tang, G. D. Li & J. S. Chen Nature 408, 50–51 (2000) Cite this article ...

Early detection of stroke warning symptoms can help reduce the severity of ischemic stroke, the leading cause of mortality and disability worldwide. This study aims to develop a model to predict the ...

We report computer simulation results of the effects on optical signal quality of passage through a cascade of wavelength division multiplexing (WDM) filters-multiplexers and demultiplexers-for ...

Training complete. [01/07 11:54:20] Merging Partitions... [01/07 11:54:20] region: ./output/dream_home/point_cloud/iteration_7000/3_1_point_cloud.ply [01/07 11:54:33 ...