Values vs. References Values vs. References In Chapter 2, we introduced the two main types of values: primitives and objects. But we didn’t discuss yet one key difference betwe...

Apache Druid vs Kudu Apache Druid vs Kudu Kudu’s storage format enables single row updates, whereas updates to existing Druid segments requires recreating the segment, so theor...

Apache Druid vs Kudu Apache Druid vs Kudu Kudu’s storage format enables single row updates, whereas updates to existing Druid segments requires recreating the segment, so theor...

Apache Druid vs Redshift How does Druid compare to Redshift? Real-time data ingestion Druid is a read oriented analytical data store Data distribution model Replication strateg...

Apache Druid vs Redshift How does Druid compare to Redshift? Real-time data ingestion Druid is a read oriented analytical data store Data distribution model Replication strateg...

Apache Druid vs Spark Apache Druid vs Spark Druid and Spark are complementary solutions as Druid can be used to accelerate OLAP queries in Spark. Spark is a general cluster co...

Apache Druid vs Redshift How does Druid compare to Redshift? Real-time data ingestion Druid is a read oriented analytical data store Data distribution model Replication strateg...

Any vs. object Any vs. object The type object is another type that can have an instance of arbitrarytype as a value. Unlike Any , object is an ordinary static type (itis si...

Cold vs Hot Observables Converting from Cold Observables to Hot Observables Cold vs Hot Observables Observables can be classified into two main groups: hot and cold Observabl...

跟踪 VS 不跟踪 跟踪查询 不跟踪查询 跟踪和推测 跟踪 VS 不跟踪 跟踪行为控制着 Entity Framework Core 是否会在其变更跟踪器里维持实体实例的信息。如果实体是被跟踪的，任何检测到的该实体的变更都将在 SaveChanges() 时持久化到数据库中。Entity Framework Core 还会对已跟踪的、之前已加...