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Rising Tide Rents and Robber Baron Rents

O'Reilly

In 20th century neoliberal economics, rents have typically been seen as a temporary aberration that is eventually competed away. In an information-rich world, the wealth of information means a dearth of something else: a scarcity of whatever it is that information consumes. “In It’s our attention.

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Eye-Tracking In Mobile UX Research

Smashing Magazine

Eye-tracking provides information on how people navigate on a page and how attracted they are to visual elements on the screen, like in this study conducted by Nielsen Norman Group which shows the pattern that people use to scan comparison tables. This heatmap is a visual representation of the F-shaped pattern. How Eye-Tracking Works.

Mobile 111
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Design Patterns: Series Introduction

cdemi

I have decided to write a series on some common and modern Design Patterns that are useful in today's horizontally scalable (such as cloud-hosted) applications. Cache Aside Pattern. Applications that rely heavily on a data-store usually can benefit greatly from using the Cache-Aside Pattern. Competing Consumer Pattern.

Design 40
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Design Patterns: Competing Consumer Pattern

cdemi

Building on the Queue-Based Load Leveling Pattern , the Competing Consumer Pattern enables a system to process multiple messages concurrently to optimize throughput, to improve scalability and availability, and to balance the workload. Competing Consumers. Guaranteed Delivery : At least once. Considerations.

Design 40
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Design Patterns: Queue-Based Load Leveling Pattern

cdemi

In a later blog post, I discussed the Competing Consumer Pattern , which helps in scaling your applications by running multiple instances of a service, each of which act as a message consumer from the load-leveling queue. Control Costs : You don't have to design your service to meet peak load, but rather average load.

Design 47
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Fallacy #6: There is one administrator

Particular Software

Design systems to be easily maintainable: See what Udi has to say in Day 1 of his Advanced Distributed Systems Design video course. The chances of all this communication happening effectively (or at all) are small enough that it’s virtually impossible the people on this team can all understand everything going on in a large system.

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NServiceBus on AWS Lambda

Particular Software

You only pay for the compute time you consume. However, to build a complex distributed system on serverless technology that implements best practices from the Enterprise Integration Patterns book, you need something more that will bridge the gap between the “invisible” server infrastructure and your business code.

Lambda 52