Count the Number of Fields in JSON with jq
Sometimes when working with JSON on the command line, it is helpful to know how many fields exist in each document. Fortunately this is easy to do with jq. jq…
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January 25, 2021
Creating a Simple Kafka Producer in Java
Apache Kafka is a fault tolerant publish-subscribe streaming platform that lets you process streams of records as they occur. If you haven’t installed Kafka yet, see our Kafka Quickstart Tutorial…
January 25, 2021
Apache Kafka Docker Image Example
Apache Kafka is a fault tolerant publish-subscribe streaming platform that lets you process streams of records as they occur. This post is a step by step guide of how to…
January 25, 2021
Apache Kafka Quickstart Tutorial
Apache Kafka is a fault tolerant publish-subscribe streaming platform that lets you process streams of records as they occur. This Kafka Quickstart Tutorial walks through the steps needed to get…
January 25, 2021
How to Remove Tags from a Git Repository
If you use tags with your Git repositories you know that sometimes it makes sense to remove/delete these tags. Below are samples of removing both local and remote tags from…
January 25, 2021
How to Start an Interactive Docker Container
Sometimes when working with Docker you just want to quickly start a container and interact with it through a shell. Fortunately this is easy to do. Here is an example…
January 25, 2021
How to List Tags in Git
Tags in Git are a way to bookmark specific commits. This is often done to indicate different versions or releases of a project. To list the tags you have previously…
January 25, 2021