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nette/tracy: Tracy: debugging tool you will love ♥

Tracy library is a useful helper for everyday PHP programmers. It helps you to:

quickly detect and correct errors
log errors
dump variables
measure execution time of scripts/queries
see memory consumption
PHP is a perfect language for making hardly detectable errors because it gives a great flexibility to programmers. Tracy\Debugger is more valuable because of that. It is a ultimate tool among the diagnostic ones. If you are meeting Tracy the first time, believe me, your life starts to be divided one before the Tracy and the one with her. Welcome to the good part!

Observatory by Mozilla

Observatory by Mozilla is a project designed to help developers, system administrators, and security professionals configure their sites safely and securely.

Bedrock | WordPress Boilerplate | Roots

WordPress boilerplate with modern development tools, easier configuration, and an improved folder structure.

After 50 Years, Boeing Plans to Terminate Its Masterpiece, the 747 - The Daily Beast

The first wide-body jet opened air travel to the masses, created the era of first class vs. coach, and shrank the globe. Why the future belongs to smaller planes.

15 Page Tutorial for R

These tutorials are designed for beginners in R, but they can also be used by experienced programmers as a refresher course or as reference. Running loops in R can be slow and therefore the apply group of functions as well as the reshape package can drastically improve the performance of the code.

Why Uber Engineering Switched from Postgres to MySQL - Uber Engineering Blog

The early architecture of Uber consisted of a monolithic backend application written in Python that used Postgres for data persistence. Since that time, the architecture of Uber has changed significantly, to a model of microservices and new data platforms. Specifically, in many of the cases where we previously used Postgres, we now use Schemaless, a novel database sharding layer built on top of MySQL. In this article, we’ll explore some of the drawbacks we found with Postgres and explain the decision to build Schemaless and other backend services on top of MySQL.

Our World In Data

Explore the ongoing history of human civilization at the broadest level, through research and data visualization.

The problem with reinforced concrete

By itself, concrete is a very durable construction material. The magnificent Pantheon in Rome, the world’s largest unreinforced concrete dome, is in excellent condition after nearly 1,900 years. And yet many concrete structures from last century – bridges, highways and buildings – are crumbling. Many concrete structures built this century will be obsolete before its end.

A ZFS developer’s analysis of the good and bad in Apple’s new APFS file system | Ars Technica

Apple announced a new file system that will make its way into all of its OS variants (macOS, tvOS, iOS, watchOS) in the coming years. Media coverage to this point has been mostly breathless elongations of Apple's developer documentation. With a dearth of detail I decided to attend the presentation and Q&A with the APFS team at WWDC. Dominic Giampaolo and Eric Tamura, two members of the APFS team, gave an overview to a packed room; along with other members of the team, they patiently answered questions later in the day. With those data points and some first-hand usage I wanted to provide an overview and analysis both as a user of Apple-ecosystem products and as a long-time operating system and file system developer.