Software Engineering

Pydantic Logfire — Uncomplicated Observability

From the team behind Pydantic, Logfire is an observability platform built on the same belief as our open source library — that the most powerful tools can be easy to use.

What sets Logfire apart:

• Simple and Powerful: Logfire's dashboard is simple relative to the power it provides, ensuring your entire

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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 .

Comments are helpful sometimes. But sometimes, they are just an indication of bad code.The proper use of comments is to compensate for our failure to express ourself in code [1].Whenever you have to add a comment in your code, ask yourself if it is really required or if you could instead put that into a new function and name the function so that it... See more

Your job involves turning the unknown into the known and translating vague ideas into actionable plans. This often involves a blend of:

• Detective work — ask the right questions, collect evidence, build a case theory, validate it


• Isolating uncertainty to the smallest components and proving / disproving theories


• Divide and conquer — breaking down the

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1. Streamlining data exploration and analysis:

• Context-Aware Suggestions: Receive AI-powered suggestions for relevant tools, functions, and libraries based on your specific dataset and analysis goals.


• Contextual search for functions and libraries: Quickly find relevant functions and libraries from various programming languages, such as Python and R,

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For high-priority tasks , like designing the main user interface content or creating content for a major product launch, you might spend 10–20 hours a week. These tasks need detailed planning and close collaboration with your team.

Medium-priority tasks , such as updating help center articles or creating content for minor feature updates, might take... See more

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

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

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