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Interpreting A/B test results: false negatives and power

The Netflix TechBlog

We then used simple thought exercises based on flipping coins to build intuition around false positives and related concepts such as statistical significance, p-values, and confidence intervals. In this post, we’ll do the same for false negatives and the related concept of statistical power.

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Interactive Learning Tools For Front-End Developers

Smashing Magazine

JavaScript Design Patterns. Knights of the Flexbox Table is another well-designed interactive course to help you learn the different aspects of the flexbox specification. On design systems, CSS/JS and UX. CSS Selectors Cheatsheet is an interactive exercise to test your understanding of CSS selectors. CSS Flexbox.

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AIOps observability adoption ascends in healthcare

Dynatrace

As AI becomes increasingly important to care delivery, the healthcare sector is pursuing a national strategy for AI. To support its objectives, the company operates a digital platform that enables customers to earn points when they exercise or eat healthily.

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Efficient SLO event integration powers successful AIOps

Dynatrace

However, it’s essential to exercise caution: Limit the quantity of SLOs while ensuring they are well-defined and aligned with business and functional objectives. That said, the guiding thread, predominantly under the client’s control, remains the backend perspective. In other words, where the application code resides.

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Architecture & DDD Kata: Online Car Dealership

Strategic Tech

I’ve just created a new kata which you and your team/friends can use to practice your architecture and domain-driven design skills. The third part of the worskhop focuses on strategy?—?how how different domains connect to the business strategy. Is each domain core, supporting, or generic?

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Top Educational App Ideas That Startups Should Check Out In 2023

Tech News Gather

Through this app idea, one can prioritize the well-being of students with an app designed to support their mental health and foster a sense of mindfulness. In addition, it can also inculcate resources such as articles, podcasts, and breathing exercises to help users develop coping strategies and resilience.

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Seamlessly Swapping the API backend of the Netflix Android app

The Netflix TechBlog

Over the course of this post, we will talk about our approach to this migration, the strategies that we employed, and the tools we built to support this. Functional Testing Functional testing was the most straightforward of them all: a set of tests alongside each path exercised it against the old and new endpoints.

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