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YouTube

Tutorial

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In case you missed this video tutorial, here it is! Have a look.

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ARTICLE

From Testing JavaScript Applications by Lucas da Costa

This article explains what parallelism is and how Jest can help you run your tests faster.

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Parallelism and concurrency

Let’s say that you have 4 test files which take one second each, sequentially running them would take, in total, four seconds. As the number of test files increase, so does the total execution time.

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Figure 1. What happens when running tests sequentially.

To speed-up your tests, Jest can run them in parallel. By default, Jest will parallelise tests that are in different files.

Paralellising tests

IMPORTANT: Paralellising tests mean using different threads to run test-cases simultaneously.


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Stream recap

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We at Manning would like to wish you all happy and safe holidays! We hope you get a chance to relax and spend quality time with your loved ones.

See you next year!

— Manning

If you haven’t already, go check out Manning’s Countdown to 2021 for daily deals and prizes.


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Stream recap

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ARTICLE

From Math for Programmers by Paul Orland

This article covers

● Modeling algebraic expressions as data structures in Python

● Writing code to analyze, transform, or evaluate an algebraic expression

● Building a data structure from elements and combinators

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In Python and other languages, we often think of functions as mini-programs. They’re self-contained sets of instructions that accept some input data, do some ordered computations with it, and identify some result value as an output. From the perspective of functional programming, we consider functions to be data that we can compute things about. …


ARTICLE

This article discusses getting started with baselines and generalized linear models.

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Neural Network Models

Neural networks are the most important class of machine learning algorithms for handling perceptual problems such as computer vision and NLP. Thus, it is the most important class of models for the subject covered by this book.

In this post, we will train two representative pretrained neural network language models on the two illustrative example problems we have been baselining in this chapter. …


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Stream recap

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INTERVIEW

An interview with Andrew Ferlitsch by Frances Lefkowitz

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Andrew Ferlitsch, from the developer relations team at Google Cloud AI, is so far out on the cutting edge of machine learning and artificial intelligence that he has to invent new terminology to describe what’s happening in Cloud AI with Google Cloud’s enterprise clients. In this interview with editors at Manning Publications, he talks about the current and coming changes in machine learning systems, starting with the concept of model amalgamation. Ferlitsch is currently writing a book, Deep Learning Design Patterns, which collects his ideas along with the most important composable model components.

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Access to pre-publication chapters is available here. Take 40% off purchase by entering intferlitsch into the discount code box at checkout at manning.com. …

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