Systems | Development | Analytics | API | Testing

Hitting the Ground Running with Generative AI

Generative AI was undoubtedly the most important data moment of 2023, and created a level of excitement for our industry that will certainly continue to be felt in 2024. As we welcome the new year, I am thrilled to share that Qlik is hitting the ground running on that front: today we are announcing the acquisition of groundbreaking technology from Kyndi, an innovator in natural language processing, search, and generative AI.

Top PostgreSQL Database Free Tiers in 2024

Looking for a managed PostgreSQL database with a free tier? We've got you covered. In this article, we'll explore the top PostgreSQL databases with free tiers to use for your applications in 2024. These free-tier options are perfect for side projects, MVPs, and learning how to use cloud databases. All these database solutions integrate with Koyeb, enabling you to seamlessly connect databases hosted by third-party providers to your applications running on the Koyeb platform.

Speed Up Your Ruby on Rails Application with LiteCache

In this series, we have looked at the "musts" (databases) and "shoulds" (asynchronous jobs, websockets) of a web application. Now we turn to one of the "coulds" (that is nonetheless recommended for scaling businesses): caching. In particular, we mean caching HTML fragments and other snippets of data, as referred to in Rails Guides. We are not concerned with HTTP or SQL query caching. In this part, we'll see how to speed up our Rails app using LiteCache.

Dealing with CPU-bound Tasks in Node.js

Welcome to part two of our series on profiling and optimizing CPU-bound tasks in Node.js! In the first installment, we discussed the complexities of handling CPU-bound tasks in Node.js, shedding light on their impact on runtime performance and exploring various profiling techniques. Once you've used profiling to figure out where the bottleneck in your application is, the next step is to choose the right optimization strategy to obtain an acceptable level of performance for your use case.

Monitoring Cloudera DataFlow Deployments With Prometheus and Grafana

Cloudera DataFlow for the Public Cloud (CDF-PC) is a complete self-service streaming data capture and movement platform based on Apache NiFi. It allows developers to interactively design data flows in a drag and drop designer, which can be deployed as continuously running, auto-scaling flow deployments or event-driven serverless functions. CDF-PC comes with a monitoring dashboard out of the box for data flow health and performance monitoring.

Introducing Helix Core Cloud - Turnkey, Scalable Version Control for Teams Under 50

Helix Core Cloud is the world’s most scalable version control, now available as a fully managed and hosted offering by Perforce. It’s an instant deployment of Helix Core, designed for teams under 50 and available through a convenient monthly subscription. Get a brief introduction to Helix Core Cloud from Brad Hart, CTO and VP of Product Management at Perforce.

Composite primary keys in Rails

Primary keys are vital in the design of a relational database. They are crucial in uniquely identifying records. For example, if you have a table of users, you will need to identify each record uniquely. This is where primary keys are used. Primary keys are usually single columns that auto-increment. There might be cases where you'll need a combination of column to serve as the primary key - this is where composite primary keys become helpful.