Software Engineering

Developer environments you can take with you

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Flox is a virtual environment and package manager all in one. With Flox you create environments that layer and replace dependencies just where it matters, making them portable across the full software lifecycle

Install packages from the biggest open source... See more

How to build this skill:

• Maximize what you can do on your own: by ruthlessly prioritizing your time, pushing back on activities that have small ROI, and focusing on areas where your input is crucial; for engineers, it often means less coding (if more junior people can do that piece of coding).


• How you can maximize what you can do through others:

... See more

Hopefully, at this point, you see where I’m going with this. What I’ve concluded, based on experience, is that positioning your project as an alternative implementation of something is a losing proposition. It doesn’t matter how smart you are. It doesn’t matter how hard you work. The problem is, when you build an alternative implementation, you’ve... See more

Using feature flags

It's always a good idea to put new features behind a feature flag.

This contributes to a rollout strategy that can surface user feedback in a much more contained and safe environment.

When thinking about how to rollout a new feature to users, first think about your peers. Many of the Resend team members also use Resend on their... See more

Welcome to rx!

rx is a command-line tool that makes it easy to create, use, and share development environments. It integrates with whatever tools you're currently using and gives you a long-running VM in the cloud that is kept in sync with your local machine.

Check out our blog post on why we built rx .

Coz: Finding Code that Counts with Causal Profiling

by Charlie Curtsinger and Emery Berger

Coz is a profiler for native code (C/C++/Rust) that unlocks optimization opportunities missed by traditional profilers. Coz employs a novel technique called causal profiling that measures optimization potential. It predicts what the impact of optimizing code... See more

" Knowledge is powerful, be careful how you use it! "

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools, and more.

Created by trimstray and contributors

📔 What is it?

This repository is a collection of various materials and tools that I use every day in my work. It contains a lot of useful information... See more

Netflix created a scoring system from 0 to 100 that assigns a priority to a request, with 0 being the highest priority and 100 being the lowest priority.

The score was based on 4 dimensions

Functionality - What functionality gets impacted if this request gets throttled? Is it important to the user experience? For example, if logging-related requests... See more

Build & Deployments

Our build process starts by pushing changes to a repository on GitHub. When code is pushed to a repository through a pull request, it triggers a job to build the changes made to the branch and deploy them in isolation. This worklow happens interactively within the pull request, where the author has visibility of all steps.

Some... See more