The basic idea of predicate pushdown is that certain parts of SQL queries (the predicates) can be “pushed” to where the data lives. This optimization can drastically reduce query/processing time…
The Java Consumer interface of the java.util.function package is a functional interface that is often used as an assignment target for lambda expressions. accept(T t) is the interface’s single abstract…
Simply put, a Java functional interface is an interface with a single abstract method. Functional interfaces were released with Java 8 and provide target types for lambda expressions. The java.util.function…
In general a lambda expression is an anonymous function, which means for some combination of inputs, there is a specific output. In the context of Java, a lambda expression is…
Tags in Git are a way to bookmark specific commits. This is often done to indicate different versions or releases of a project. There is no straight forward way to…
When working with Apache Kafka you might want to write data from a Kafka topic to a local text file. This is actually very easy to do with Kafka Connect.…
When working with Kafka you might need to write data from a local file to a Kafka topic. This is actually very easy to do with Kafka Connect. Kafka Connect…