October 25, 2016

BI-on-Hadoop Benchmarks Compare Analytics Engines

October 25, 2016

AtScale Inc. has published the results of a new benchmark study of BI-on-Hadoop analytics engines. The study tested Hive, Impala, Presto and Spark SQL, and it found that each of

Using BitBlt to Copy Images in C#

October 25, 2016

The BitBlt function simply performs a bit-block transfer of the color data corresponding to a rectangle of pixels from a source device context into a destination device context. You can