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IT leaders: check out how 2D barcodes and RFID are reinventing retail

CIO

The retail landscape has undergone massive shifts in recent years to adopt self-checkout systems. Brands and retailers have been working diligently to create and roll-out standardized 2D barcodes on product packaging that’ll work seamlessly at check-out registers. But is this the beginning of the end for self-checkouts?

Retail 328
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The Real Reasons for Doing Test-Driven Development ??

Xebia

Why do people apply TDD? What Are the Real Reasons for Doing TDD? Test-Driven Development (TDD) is a controversial topic amongst developers. After many years of doing TDD daily, I think part of the reason is that some people do not fully grasp the reasons behind TDD. TDD and the Values of XP.

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System tests have failed

David Heinemeier Hansson

When we introduced a default setup for system tests in Rails 5.1 In theory, system tests, which drive a headless browser through your actual interface, offer greater confidence that the entire machine is working as it ought. And because it runs in a black-box fashion, it should be more resilient to implementation changes.

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What is SAFe? A framework for scaling business agility

CIO

At the Team Level, an organization may have a number of teams working in an agile fashion toward a particular goal or solution. Apply systems thinking into all facets of development. Base milestones on objective estimation and evaluation of working systems to ensure there is an economic benefit.

Agile 290
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Through the Looking Glass: Exploring the Wonderland of Testing AI Systems

Xebia

Artificial Intelligence (AI) systems are becoming ubiquitous: from self-driving cars to risk assessments to large language models (LLMs). As we depend more on these systems, testing should be a top priority during deployment. Tests prevent surprises To avoid surprises, AI systems should be tested by feeding them real-world-like data.

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5 ways to do Continuously Improved Testing

Xebia

This article helps you challenge your automated testing and to improve upon it in a more continuous fashion. . Test automation is not a project or a one-off—it is part of the development lifecycle and should be seen as its own system that needs to evolve over time as the requirements and system under test change and mature.

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Apache Kafka Deployments and Systems Reliability – Part 1

Cloudera

In Part 1, the discussion is related to: Serial and Parallel Systems Reliability as a concept, Kafka Clusters with and without Co-Located Apache Zookeeper, and Kafka Clusters deployed on VMs. . Serial and Parallel Systems Reliability . Serial Systems Reliability. Serial Systems Reliability.