What is a functor?

Plus: See some unexpected benefits of talking about technical debt, explore solving a CPU imbalance using Admission Control, and more. [DZone]( December 14, 2021 DZone Daily Picks Today, learn what a functor is, see some unexpected benefits of talking about technical debt, and more. [On-Demand Webinar]( [A Practical Guide to High Availability Solutions for Postgres]( [Learn more >]( Daily Picks [What Is a Functor? Basic Theory for Java Developers]( [Bartłomiej Żyliński Java Zone]( [3 Unexpected Benefits of Talking About Technical Debt]( [Chris Fenning Agile Zone]( [Apache Kafka in the Public Sector — Part 4: Energy and Utilities]( [Kai Wähner Big Data Zone]( [Backend Interview With Oriol Saludes: Fullstack Developer at Apiumhub]( [Oriol Sr Web Dev Zone]( [CockroachDB Admission Control]( [Michael Goddard Database Zone]( [Deploying Board Resource Depot for Large Scale Semiconductor Companies With Multi-Geographical Teams]( [Chirag Swarnkar DevOps Zone]( New Downloads from DZone [REFCARD] [Advanced Jenkins]( Core Practices to Managing and Scaling Jenkins for the Enterprise: Scaling Jenkins usage across a growing enterprise, without affecting the security or stability of its SDLC is challenging, particularly for highly regulated industries. In this Refcard, we outline core practices for setting up efficient, secure Jenkins pipelines. [Free Download >]( [REFCARD] [Data Management for Industrial IoT]( Advances in technology continue to drive change in industrial operations. As businesses seek to leverage these advances, it’s important to understand how different technologies impact their operations. Data generated from sensors and applications have the potential to dramatically affect industrial processes; they generate a lot of data. Businesses need to understand the characteristics and shape of that data, as well as how to effectively analyze and apply it to drive improvements. This Refcard dives into data management for industrial IoT applications, including industry 4.0, time-series data, and more. [Free Download >]( [ON-DEMAND WEBINAR] [A Practical Guide to High Availability Solutions for Postgres]( This webinar will explore high availability architectures for Postgres. After a brief review of the business drivers for high availability, we will dive into Postgres’ two main ways to achieve high availability: streaming replication and logical replication. We will conclude by reviewing architectures and approaches that allow Postgres to achieve 99.999% of availability on premises and in the cloud. [Free Download >]( [ON-DEMAND WEBINAR] [What Do IT and Engineering Leaders Need to Know About Observability]( Whether you deliver a SaaS experience or ship shrink-wrap software, you must have some strategy for monitoring, troubleshooting, and analyzing your software in the wild. Someone, whether you or your customer, needs to be able to detect and respond to issues in production. Watch Observe Founder Jacob Leverich and Redmonk co-founder James Governor as they discuss observability. [Free Download >]( [NEW TREND REPORT] [Kubernetes and the Enterprise]( Building upon findings from previous years that indicate the technical maturity of containers and container orchestration, DZone’s 2021 Kubernetes and the Enterprise Trend Report will explore more closely the growing ecosystem and tooling, use-cases, and advanced strategies for K8s adoption in the enterprise. Readers will find observations and analyses of survey results from our research, as well as expert contributor insights covering topics including advanced K8s deployment strategies, high-level Kubernetes hardening, and more! [Free Download >]( [facebook]( [twitter]( [linkedin]( [youtube]( [Help](mailto:support@dzone.com) | [Manage Preferences]( DZone, 600 Park Offices Dr, Suite 300, Research Triangle Park, NC 27709 © DZone 2021