Authors: Jamie Gillenwater, Lorina Poland The DataStax Product Documentation Team has made improvements to the documentation with changes to the UI, adding a dark mode, and an improved landing page. They’ve also introduced the guided code experience, a feature that will help increase understanding of lines in examples. The DataStax…

Author: Jaroslaw Kijanowski In this article, we look at how we can improve your application experience by taking real-time data and using it to power decision-making within your application. …

Author: David Dieruf What are the differences between the Publish Subscribe (Pub-Sub) pattern and the Observer pattern? Let’s compare and contrast the two with use cases and look at how Apache Pulsar can be that missing link. Design patterns play a vital role in software engineering, providing a template for…

Author: Sam Ramji In this episode of the Open||Source||Data podcast, Sam Ramji talks to the CEO and co-founder of SeMI Technologies and co-creator of Weaviate, Bob van Luijt. They talk about vector databases and how they will benefit search and the AI-first ecosystem and what their components are. We’ve been…

Author: Jaroslaw Kijanowski — This post walks you through a few ways you can run CQL commands against your DataStax Astra DB database interactively or in batch mode. The Cassandra Query Language SHell (CQLSH) is a command line shell that provides an interface for accessing your database using CQL (Cassandra Query Language). …

Authors: Frank Rosner, Raffael Stein When the pandemic started, we set ourselves a learning goal: develop a backend using only serverless technologies. Initially, we set out to make this happen using technologies we were already familiar with, AWS Lambda and Java. But to spice things up, we decided to add…

Author: Eric Hallow This post is about harnessing the power of reliable blockchain data with real time query capability. We can index blockchain data directly from Ethereum nodes into Astra DB, resulting in a tougher backend code. Instead, we use the power of Astra DB’s Ethereum Blockchain dataset in combination…

Author: Enrico Olivelli — Jakarta Messaging (previously known as Java Messaging Service) is no longer the only API to handle messaging systems. More and more developers and enterprises are shifting towards new generation streaming platforms like Apache Pulsar™. In this post, we show you how to use Pulsar in a JakartaEE Web Application deployed…

Author: David Dieruf — Apache Pulsar™ provides highly-scalable, open-source event streaming capable of keeping up with even the largest fleet of IoT devices. But traditionally, Pulsar requires some developer effort and time to configure and manage it. With DataStax Astra Streaming, you no longer have to get too deep into tinkering with multiple configurations. …