InfoQ Homepage Architecture Content on InfoQ
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How Ousta Simulates Rides within a Two-Minute Test Cycle
Egyptian ride hailing provider Ousta has two mobile apps which interact with an event driven architecture using microservices. The combination of EDA and microservices facilitated a simulation system for automation, and a rapid development and testing cycle.
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Why and How to Test Logging
Logging and aggregation are crucial tools for today's complex, distributed systems. They provide rich insights which keep time to recover short. We must therefore make sure we test logging adequately.
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Advanced Use Cases for the Repository Pattern in .NET
In our previous article, we looked at the basic patterns needed to implement a repository. In many cases these patterns were such a thin layer around the underlying data access technology they were essentially unnecessary. However, once you have a repository in place, many new opportunities become available.
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Implementation Strategies for the Repository Pattern with Entity Framework, Dapper, and Chain
This article will focus on the basic functionality that one would find in a typical repository created with .NET. We’ll look at both general functionality and how that functionality would be implemented using three different styles of ORM: Entity Framework, Dapper, and Tortuga Chain.
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Virtual Panel: Document and Description Formats for Web APIs
In this virtual panel we hear from 4 individuals deeply involved in the Web API space. Each of them has a unique take on the values, benefits, and costs of documentation and description formats in general, and provide their own unique perspective from their vantage points across the Web. They agree on one thing: something must be done to help developers find their way through the world of Web APIs
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Peter Cnudde on How Yahoo Uses Hadoop, Deep Learning and Big Data Platform
Yahoo uses Hadoop for different use cases in big data & machine learning areas. They also use deep learning techniques in their products like Flickr. InfoQ spoke with Peter Cnudde on how Yahoo leverages big data platform technologies.
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An Open API Initiative Update
The Open API Initiative group is evolving what has become the de-facto standard API Description Format to produce a consistent and compatible format for describing APIs, allowing interoperation between tooling, systems, and runtime environments. Tony Tam, creator of the popular Swagger Specification is providing an update on the group activity.
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On Abstractions and For-Each Performance in C#
Donald Knuth famously said, “We should forget about small efficiencies, say about 97% of the time”. But when faced with the other 3%, it is good to know what’s going on behind the scenes. So in this article we’ll be taking a dive into the foreach loop.
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CQRS for Enterprise Web Development: What's in it for Business?
With a focus on the business case for a CQRS architecture, this article covers the core concepts of Command Query Responsibility Segregation, and contrasts them with a common, n-tier architecture. Benefits including scalability and maintainability are highlighted, which can reduce the total cost of ownership, and lead to an improved return on investment when choosing a CQRS architecture.
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Agile in the UK Government - An Insider Reveals All
The Government Digital Service (GDS) aims to transform the relationship between citizen and state, moving the UK towards becoming a world-leading digital-by-default government. Nick Tune explores what GDS has achieved with assessments, sharing agile practices and experiences, and open source software, and shares what isn’t working so well in government IT.
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What’s Wrong With Using Design Templates?
By choosing a web design template, businesses save on time and the cost of developing their website. Templates are often hard to customize and generate a range of other issues that affect the website's performance an negatively impact the brand. Contrary to custom design, templates can only serve as a starting point for creating a web presence.
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Q&A and Book Review on Liftoff, Second Edition
The book Liftoff, Second Edition by Diana Larsen and Ainsley Nies, provides practices and insights for chartering teams by understanding their needs, building trust, and defining how they will interact in the team and align with other parts of the organization. It's a book for Agile coaches, Scrum masters or agile product and project managers to help teams to understand the why behind the work.