“It's still magic even if you know how it's done”
Best 7 links of week #51, 2019
What is neural networks? Developers should understand backpropagation, to figure out why their code sometimes does not work. Visual and down to earth explanation of the math of backpropagation.
Use SQL queries to solve the murder mystery. Suitable for beginners or experienced SQL sleuths.
An amazing command-line tool to view and process JSON documents interactively.
A very interesting article describing how Shopify addresses the problem of evolving APIs introducing breaking changes and how do they manage versioning effectively.
A minimal, blazing-fast, and extremely customizable prompt for any shell! Shows the information you need, while staying sleek and minimal. Quick installation available for Bash, Fish, ZSH, Ion, and Powershell.
Bringing an embedded Rust application from zero to main()
This article describes how the new AWS Lambda provisioned concurrency feature can, under certain conditions, make your Lambda much more efficient and, most importantly, cheap!
by Jonathan Gennick
If you're a programmer or database administrator who uses SQL in your day-to-day work, this popular pocket guide is the ideal on-the-job reference. You'll find many examples that address the language's complexity, along with key aspects of SQL used in IBM DB2 Release 9.7, MySQL 5.1, Oracle Database 11g Release 2, PostgreSQL 9.0, and Microsoft SQL Server 2008 Release 2. SQL Pocket Guide describes how these database systems implement SQL syntax for querying, managing transactions, and making changes to data. It also shows how the systems use SQL functions, regular expression syntax, and type conversion functions and formats.