EdgePipes is an alternative to server-side rendering (SSR) and React Server Components (RSCs) that focuses on optimizing network requests, rather than generating complete pages. It works by moving fetch hooks and routing logic to an Edge Function or SharedWorker, creating a "pipe" for streamable responses. This approach uses the improved network conditions between edge servers and backend data centers. Unlike SSR and RSCs, EdgePipes are resource-efficient, avoid rehydration issues, and are compatible with various application architectures.
Google DeepMind's Genie 2 is a large-scale foundation world model that generates diverse, playable 3D environments from single image prompts for training and evaluating embodied AI agents.
This guide explores the range of options for running containers, from mainstream cloud providers to highly specialized and experimental platforms.
Tailwind CSS v4 has great improvements like the switch to LightningCSS and native CSS cascade layers, but the author has concerns about the performance implications of CSS variables, the potential for abuse with new descendant variants, and the lack of clarity in some class names.
Amazon launched Aurora DSQL, a serverless, globally distributed database, at Re:Invent 2024. Aurora DSQL has high availability, multi-regional capabilities, and claims significantly faster speeds than Google Cloud's Spanner, making achieving global scale easier through decoupled compute and storage and Amazon Time Sync Service. However, the service is still in its early stages, lacking essential features like foreign keys and triggers, and its authentication method presents challenges for application integration.
While webhooks appear simple (an HTTP POST request), building a robust webhook system presents many challenges. These challenges include ensuring reliability (handling failures and retries), implementing strong security measures (authentication, SSRF prevention), and achieving scalability (managing potentially massive event volumes). For good webhook adoption, webhooks need a positive dev experience with good observability.
Developers were able to get a test suite down from 53 minutes to 11 minutes by using a combination of profiling tools, RSpec techniques, and code refactoring. Their optimization strategy focused on identifying high-value targets, prioritizing easy wins, and consistently measuring results. The process involved three main phases: general optimizations, factory optimization, and optimizing individual test files using techniques like `let_it_be` (which means using shared test data instead of creating new test data for each test).
Overly specialized roles in companies can create silos and make collaboration tougher. Egoless engineering promotes shared responsibility, cross-functional teamwork, and a culture of collaboration. It's up to leadership to make sure that they are creating "domain experts" rather than "domain owners,” which leads to a healthier organization long-term.
Instead of using `COUNT(*)` to find users without addresses, use `NOT EXISTS` for better performance. `COUNT(*)` unnecessarily counts all rows before rejecting them, while `NOT EXISTS` stops checking as soon as a match is found.
Flattened organizations demand managers to be more hands-on. Effective management requires knowing the details without micromanaging and delegating responsibility while retaining accountability for decisions and outcomes.
2024.12.04·theengineeringmanager.substack.com·8 min read·TLDR Web Dev Sponsored
Too many security tools are built for non-technical decision makers, which makes them incredibly clunky for developers to actually use. Arcjet takes a developer-first approach [11]: add a few lines to your code for bot detection, rate limiting, email validation, attack
Amazon Aurora DSQL is a serverless, distributed SQL database that offers virtually unlimited scale, high availability, and ease of use with no infrastructure management.
es-toolkit is a high-performance, small-bundle-size JavaScript utility library that offers various functions with improved performance and TypeScript support.
Stagehand is an open-source, AI-powered web automation framework built on Playwright that offers simple APIs (act, extract, and observe) for natural language-driven web interactions. It supports various LLMs.
Engineers should take a use-case-driven approach when designing data products. This means starting with a specific use case and working backward to identify necessary data products, where each is self-contained and valuable. This iterative process avoids over-engineering by focusing on the minimal viable data product and gradually generalizing as more use cases are considered.
This blog post details an optimization journey to improve a parallel Rust workload's speed tenfold. Initially, using the Rayon library only yielded a 2x speedup, prompting a deeper investigation using profiling tools like `strace` and `perf`. The author identified excessive system calls and cache misses as bottlenecks, leading him to create a custom parallel implementation tailored to his specific use case.
This post provides a curated list of open-source tools and frameworks for building AI agents. There are various categories of tools, including frameworks for agent orchestration, tools for computer and browser interaction, voice integration, document understanding, memory management, testing, monitoring, simulation, and examples of vertical agents.
Cerbos is a self-hosted authorization layer that uses YAML policies to define access control rules.
Phishing attacks have increased a lot due to the use of cheap, easily registered new top-level domains (.shop, .top, .xyz, etc.), which are attractive to scammers.
Cherry Studio is a cross-platform desktop client supporting multiple LLMs with features like document and data processing, AI assistants, and more.
Legend-State is a fast, lightweight, and easy-to-use state management library for React.
This article shows how to create a highly optimized "frosted glass" effect using CSS `backdrop-filter` and `mask-image`. The standard `backdrop-filter: blur()` only blurs elements directly behind the target, so the author introduces a technique using a larger masked element to include nearby content in the blur. This solution addresses issues like unclickable elements (using `pointer-events: none`) and flickering at the viewport edges (using a background gradient).
This article explores common data fetching patterns in React applications, focusing on how data is fetched within components. It focuses on sequential fetching (where data fetches depend on each other) and parallel fetching (where multiple fetches happen concurrently using `Promise.all`). It also goes over prefetching data to improve perceived performance.
The long-term consequences of architectural decisions don't become apparent for several years. This makes it nearly impossible to accumulate enough experience to definitively answer questions like microservices vs monoliths. Personal opinions are often shaped by early career experiences.
AI engineers are different from ML engineers in that they focus more on MLOps and data integration. Generally, AI engineers build AI systems that solve real business problems using pre-trained models and advanced techniques like Agentic RAG.
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Flaky tests are incredibly frustrating — as is digging through CI logs to find which line of code caused a test failure. Use Codecov Test Analytics [8] to separate flaky tests from legitimate failures, highlight code that led to failed tests, and improve your test suite over time with detailed stats. Faster merges, less rage-quitting your
Svelte's December 2024 update includes Svelte 5 bug fixes, CLI improvements, automatic type declarations, and more support from several UI libraries like Shadcn, Zag, and Skeleton.
KlongPy is a high-performance Python implementation of the Klong array language that leverages NumPy for vectorized operations. It supports CPU and GPU backends. KlongPy seamlessly integrates with the Python ecosystem for data analysis and distributed computing applications.
SeekStorm is an open-source, high-performance, sub-millisecond full-text search library and multi-tenancy server written in Rust with a focus on low latency and scalability. It offers features like faceted search, geo-proximity search, and real-time indexing.
Bloom filters are probabilistic data structures that efficiently check if an element exists within a large dataset. They achieve this by using an array of bits and multiple hash functions to map elements to bit positions - a set bit suggests presence, while an unset bit definitively indicates absence. Bloom filters can produce false positives (incorrectly indicating presence), but filters' size and number of hash functions can be optimized through mathematical analysis, minimizing this probability.
C++ has some inherent complexities which are often due to subtle language features like temporary lifetime extension and designated initializers, which vary across different compiler versions. These inconsistencies and unexpected behaviors, sometimes only discovered after extensive debugging and consultation with language experts, show the large amount of time and effort required to work with the language effectively.
Now publicly available digitally, Facebook's internal "Little Red Book” is a manifesto preserving its founding ethos and illustrating how storytelling scales culture during rapid growth.
Paste two chunks of text and find the difference in lines, words, or characters.
The `autofocus` attribute in HTML improves user experience on single-purpose pages like login forms by automatically focusing the first input field.
Rust's error handling, unlike exception-based systems, provides a more robust and predictable approach by explicitly handling errors as values.
Intel's CEO Pat Gelsinger has retired - David Zinsner and Michelle Johnston Holthaus were named interim co-CEOs, with Holthaus also appointed CEO of Intel Products.
Two malicious npm packages, transferwise-iconfont and protect-api, were recently discovered. The former exfiltrates sensitive data, while the latter obfuscates destructive code to delete system files. Malicious open-source packages use tactics like namespace mimicry, obfuscation, and delayed execution for attacks.
This blog post describes building a distributed log using Amazon S3 in Go by using S3's scalability and durability to avoid managing a distributed storage system. The log uses a simple append-only design, where each record is stored as a unique S3 object with a sequentially increasing offset, preventing duplicate entries via conditional writes. SHA-256 checksums are incorporated into each record for data integrity, while crash recovery is implemented by iterating through S3 objects to find the last written offset.
This developer migrated a self-managed Kubernetes cluster from DigitalOcean to Hetzner for a 75% reduction in infrastructure costs and a doubling of compute resources. The migration involved using Terraform and Puppet for infrastructure management, Tailscale for secure node access, and Hetzner's managed firewall and load balancer.
This indie iOS app developer has been able to keep up his 15-year indie app career by enjoying the development process, understanding personal motivations (beyond solely financial gain), and accepting the high-risk, high-reward nature of indie app development. Success is a marathon, not a sprint, and it requires perseverance to not give up too early.
This author compares building a simple CRUD application using a low-code platform versus Ruby on Rails. Initially, the low-code platform is faster for creating a basic prototype, but adding features becomes increasingly difficult due to limitations and a lack of flexibility. Conversely, Rails, while initially slower, makes it much easier to accommodate unexpected feature requests and complex functionalities.
React and similar frontend frameworks, used incorrectly, can lead to performance and accessibility issues. It's important for devs to use performance metrics and user testing to guide their tech choices. This means that sometimes just pure HTML and CSS can do the job compared to needing JavaScript for something.
Advent of Code is a yearly Advent calendar that features daily programming puzzles suitable for various skill levels, solvable in any language. Devs can use it for practice, learning, or competition. No prior computer science background is required.
Steel-browser is an open-source, containerized browser sandbox that provides a REST API for building AI agents and apps that interact with the web. It offers features like session management, proxy support, and integration with automation frameworks such as Puppeteer, Playwright, and Selenium.
There are four categories of UI abstractions: Headless UI, Boneless UI, Skinless UI, and Lifeless UI. Headless UI is a common term where the abstractions often have underlying functionality and structure. Boneless refers to UI libraries that provide composable styles but no markup. Skinless UIs provide functioning markup with no styling. Lifeless UI abstractions, like TanStack, offer typesafe hooks and logic without rendering actual UI elements, leaving the developer responsible for applying those functions to elements and styles.
GitHub's Octoverse 2024 report reveals a surge in global developer activity fueled in part by the rise of AI. Python surpassed JavaScript as the most popular programming language due to increased interest in data science and ML (thanks to AI). Regions like India, Africa, and Latin America have grown a lot. AI-powered tools are being used more often during development.
A recent data engineering graduate, working independently at a non-tech company, seeks advice on professional development without senior devs to learn from - the answers recommend open-source contributions, online resources, and switching companies.