Computer Science and Programming

12 March 2026 21:25

martinfama/fui: framebuffer user interface

fui is a C library designed for interacting with the framebuffer in a tty context. It allows for drawing on multiple layers, rendering text using bitmap fonts, and handling keyboard and mouse events with libevdev. The library includes a basic sound system and provides installation instructions along with sample examples.

Computer Science and Programming

11 March 2026 08:55

Node.js — Node.js 25.7.0 (Current)

Node.js 25.7.0 has been released with several notable changes: HTTP/2 gains an `http1Options` parameter for HTTP/1 fallback configuration, Single Executable Applications (SEA) now support ESM entry points, the built-in SQLite module is marked as a release candidate,, Single Executabltype option is renamed to

Node.j and the test runner now shows interrupted tests on SIGINT. Additional fixes include HTTP keep-alive socket reuse race conditions, FileHandle leaks in HTTP/2 and REPL, zstd memory tracking improvements, brotli compression dictionary support in zlib, and a newe module is markedoption for

npm is upgraded to 11.10.1.

Computer Science and Programming

09 March 2026 21:50

Six months of Rust

A JavaScript/TypeScript engineer shares their experience learning Rust over six months while maintaining a production game server backend. Key highlights include praise for Cargo's reliability compared to the JS ecosystem, appreciation for Rust's strict compiler with clear error messages, the elegance of Result-based error handling versus try/catch, and the challenges of concurrency with Mutex/RwLock deadlocks. The author concludes Rust is a mature, performant language worth considering for backend projects, but recommends JS/TS developers start with small CLI tools before tackling concurrent servers

Computer Science and Programming

08 March 2026 09:25

Is it over for metrics?

Traditional metrics are shifting from the center of observability stacks to an optimization layer. While metrics remain useful for known failure modes and system-level signals like CPU and memory, they struggle with high-cardinality debugging and require pre-defining what to measure. Modern columnar databases like ClickHouse enable efficient rollups over rich, structured event data, allowing engineers to store high-fidelity logs and traces that can be aggregated on-demand. This approach moves curation from development time to investigation time, making metrics a performance optimization rather than the primary interface for understanding production systems.

Computer Science and Programming

07 March 2026 16:15

OpenFlowKit: The open-source diagram engine that thinks like you.

OpenFlowKit is a free, open-source diagram engine aimed at engineers, architects, and product teams. It offers a fully customizable diagram creation experience and is positioned as a craft-focused alternative for technical users who need flexible diagramming tools.

Computer Science and Programming

06 March 2026 12:22

What Claude Code Actually Chooses — Amplifying

A study of 2,430 Claude Code interactions across real repositories reveals that the AI coding assistant strongly prefers building custom solutions over recommending third-party tools — appearing as the top choice in 12 of 20 categories. When it does pick tools, choices are decisive: GitHub Actions (94%), Stripe (91%), shadcn/ui (90%). Deployment is stack-determined: Vercel for JS, Railway for Python, with traditional cloud providers getting zero primary picks. Significant generational shifts exist between model versions, notably Prisma→Drizzle for JS ORM, Celery→FastAPI BackgroundTasks for Python jobs, and Redis→Custom/DIY for caching in newer models.

Computer Science and Programming

04 March 2026 11:26

📢 Advertising in this channel

You can place an ad via Telega․io. It takes just a few minutes.

Formats and current rates: View details

Computer Science and Programming

04 March 2026 01:30

How Stripe rolled out a consistent Cursor experience for 3,000 engineers · Cursor

Stripe rolled out Cursor to 3,000+ engineers by preinstalling it on every machine, using Cursor Rules for codebase context, and adapting code review practices. They found that senior engineers with deep codebase knowledge gained the most productivity, contrary to expectations that juniors would benefit most. The company maintained quality by using LLMs to flag risky code during reviews and spread adoption through power users sharing workflows.

Computer Science and Programming

02 March 2026 16:10

GPU Virtualization Architecture for Multi-Desktop Containers

Deep technical dive into building GPU-accelerated multi-desktop virtualization on Apple Silicon. Covers the full stack from virtio-gpu driver through QEMU to Metal, focusing on deadlock bugs that emerge when scaling from 1-2 to 4+ concurrent desktops. Key issues include global renderer_blocked semaphore causing cross-scanout freezes, FIFO command queue blocking, broken fence polling timers, and DRM mode_config.mutex contention. Solutions involve per-context isolation, thread-based fence polling workarounds, and removing synchronous operations from critical paths.

Computer Science and Programming

02 March 2026 02:05

Chris’ Corner: All Together Now

Modern CSS has evolved to handle tasks that previously required JavaScript. Features like custom selects with `appearance: base-select`, anchor positioning, scroll-driven animations, and scroll state queries now enable complex UI patterns purely in CSS. When combined, these capabilities demonstrate CSS's transformation into a more powerful, intelligent language that covers most presentation and interaction needs without JavaScript.

Computer Science and Programming

01 March 2026 05:10

Design is more than code

Design should focus on understanding and defining problems before jumping to solutions, rather than being reduced to code execution. The design process involves two stages: conceptual (finding the right form and direction based on problem understanding and product vision) and execution (building it out). While new tools and AI make execution easier, there's a risk of devaluing the strategic thinking that happens before coding—questioning problems, aligning stakeholders, and making intentional decisions about product direction. The concern isn't about whether designers should code, but whether the industry will lose the patience for deep consideration and problem-solving in favor of rapid output.

Computer Science and Programming

28 February 2026 20:05

I'm Behind and I Don't Care

The rapid pace of AI tool releases creates pressure to constantly update workflows, but chasing every new model or tool is counterproductive. Finding a workflow that works and sticking with it allows developers to focus on building rather than perpetually optimizing. Being 80% optimal with a stable workflow is better than constantly pursuing 100% perfection, as the truly valuable tools will prove themselves over time while trends fade.

Computer Science and Programming

28 February 2026 06:50

The Palindrome in 2026

Tivadar Danka outlines his 2026 plans for The Palindrome newsletter: finishing his Machine Learning From Zero book with from-scratch algorithm implementations, creating more explainer videos, launching monthly live workshops for paid subscribers (starting with Mathematics of Machine Learning on March 7th), building a team of contributors inspired by distill.pub, and developing nb2wb—an open-source tool for converting Jupyter Notebooks to web publishing platforms. The newsletter has grown from 16,835 to 39,663 subscribers since May 2025.

Computer Science and Programming

27 February 2026 22:45

Dragonfly v2.4.0 is released

Dragonfly v2.4.0 introduces a load-aware two-stage scheduling algorithm and a new Vortex protocol that reduces large file download times by 40-50% compared to gRPC. The release deprecates the Go client in favor of a Rust client, adds simplified multi-cluster Kubernetes deployment with scheduler cluster IDs, and implements task ID calculation based on image blob SHA256 to prevent redundant downloads. Additional improvements include enhanced preheating with IP-based peer selection, HTTP 307 redirect caching, performance optimizations for Manager and Scheduler components, and various bug fixes. Nydus enhancements include CRC32 validation support and Nydus-to-OCI reverse conversion capability.

Computer Science and Programming

26 February 2026 17:11

Introducing Theme Builder — Zed's Blog

Zed launches Theme Builder, a visual editor for creating custom editor themes without editing JSON. The tool features live preview, an inspector to identify which tokens control specific UI elements, color linking to maintain consistency across related elements, and Tree-sitter-powered syntax highlighting that matches Zed exactly. Users can import existing themes, make changes with instant visual feedback, and export as theme overrides or extensions. The interface uses CSS custom properties for instant updates and includes undo/redo support with local storage persistence.

Computer Science and Programming

11 March 2026 21:02

The uncomfortable truth about vibe coding

Vibe coding—building software through AI conversations—enables rapid prototyping but creates unsustainable codebases that become unmaintainable after 3 months. Projects hit walls when changes break multiple features because prompts become obsolete and code lacks intent documentation. Spec-driven development solves this by treating specifications as the authoritative blueprint, maintaining version-controlled documentation, and enabling regeneration from a single source of truth. The most effective approach combines natural language efficiency for exploration with rigorous specifications for production systems, using unit tests to validate small scopes while specs govern larger architecture.

Computer Science and Programming

11 March 2026 03:46

Warper: Rust Powered React Virtualisation Library

Warper 7.2 is an open-source React virtualization library that offloads scroll calculations to a Rust-compiled WebAssembly module. Key v7 changes include zero-allocation hot paths using TypedArrays, O(1) circular buffer operations for frame timing, and universal bundler support (Vite, Webpack, Rollup, esbuild, Parcel, Next.js). The library uses a Fenwick tree for item height tracking, enabling O(log n) prefix sum queries. Benchmarks claim 120 FPS with 100,000 items versus react-window's ~40 FPS. At 8.7KB gzipped, it sits between react-window (~6KB) and TanStack Virtual (~12KB). Community reception is mixed, with enthusiasm for the approach but questions about practical necessity and reported Firefox compatibility issues.

Computer Science and Programming

09 March 2026 16:42

Death to Scroll Fade!

A developer rant against the ubiquitous 'scroll fade' web design trend, where page elements fade in as they scroll into view. The author argues it's tacky, often demanded last-minute by stakeholders, and raises real concerns: accessibility issues for users with vestibular disorders, cognitive overload, cross-platform inconsistency, and negative impact on Core Web Vitals like LCP. The post crowdsources practical arguments to push back against scroll fade requests, while humorously suggesting developers collectively pretend the technique is now illegal.

Computer Science and Programming

07 March 2026 21:20

6 Components of Context Engineering

Context engineering is the practice of optimizing how information flows to AI models, comprising six core components: prompting techniques (few-shot, chain-of-thought), query augmentation (rewriting, expansion, decomposition), long-term memory (vector/graph databases for episodic, semantic, and procedural memory), short-term memory (conversation history management), knowledge base retrieval (RAG pipelines with pre-retrieval, retrieval, and augmentation layers), and tools/agents (single and multi-agent architectures, MCPs). While model selection and prompts contribute only 25% to output quality, the remaining 75% comes from properly engineering these context components to deliver the right information at the right time in the right format.

Computer Science and Programming

06 March 2026 15:33

I struggled to code with AI until I learned this workflow

AI coding assistants work best through an iterative workflow rather than one-shot prompts. The key is providing comprehensive context (project background, constraints, relevant code), requesting a plan before implementation, generating code in small steps with defined roles (planner, implementer, tester, explainer), reviewing output with AI-assisted tools, writing tests immediately, and debugging systematically. Common pitfalls include context drift in long conversations, API version mismatches, and over-reliance on AI without understanding the output. The workflow emphasizes treating AI like a new teammate who needs explicit briefing, keeping changes small and reviewable, and maintaining human oversight throughout the process.

Computer Science and Programming

05 March 2026 11:57

International Accelerator Sber500 Opens 7th Wave Applications

Sber500 invites startups with ready-made products and DeepTech projects (GenAI, robotics, new materials) to apply for the 7th wave. International teams entering the Russian market are welcome.

The 12-week online program in English is free. Structure:
→ 150 teams start at bootcamp
→ 25 best continue the program. They work with international mentors, and pitch to investors and corporations
→ Demo day at Moscow Startup Summit (fall 2026).

Track record: Alumni attracted 1B rubles in investments in 2025 (~14% of Russian venture market). Revenue grows 4x on average, up to 1000x for some teams.
Deadline: 10 April 2026

Computer Science and Programming

04 March 2026 09:20

Chris’ Corner: Light & Boxes

A coding challenge explores creating dynamic box shadows that respond to a light source as elements scroll. Multiple developers showcase solutions using scroll-driven animations with animation-timeline: view() and scroll(), manipulating shadow properties through CSS custom properties and @property declarations. Solutions range from JavaScript-assisted approaches to pure CSS implementations that interpolate shadow directions based on viewport position.

Computer Science and Programming

03 March 2026 22:15

How we made geo joins 400× faster with H3 indexes

Geospatial joins using predicates like ST_Intersects become prohibitively slow at scale due to quadratic complexity and expensive spatial operations. By automatically rewriting these queries to use H3 hierarchical hexagonal cell indexes, spatial predicates are transformed into fast integer equi-joins on cell IDs. The approach generates H3 coverage for geometries, performs a hash join on matching cells, then applies exact predicates only to filtered candidates. Benchmarks show 400× speedup at optimal resolution (resolution 3), reducing 37.6 million comparisons to ~200k. The technique works on-the-fly without materialized indexes, supporting views and subqueries while avoiding storage overhead.

Computer Science and Programming

02 March 2026 05:05

Split Diffs are Here — Zed's Blog

Zed v0.224 ships split diff view as the new default, showing base code on the left and working copy on the right in synchronized scroll. Built on Zed's multibuffer architecture, the feature required solving two core challenges: keeping both sides vertically aligned across all changed files simultaneously, and maintaining performance at scale. Alignment is handled via a block map that inserts visual spacers between lines. Performance profiling uncovered broader wins including block map inefficiencies that sped up project search, and a macOS process spawning fix (switching from fork/exec to posix_spawn) that reduced main thread hangs from git blame and other external processes. Users can revert to unified diffs via the Diff View Style setting.

Computer Science and Programming

01 March 2026 22:02

Vercel Flags is now in public beta

Vercel Flags is now in public beta, offering native feature flag management directly in the Vercel Dashboard. It includes targeting rules, user segments, and environment controls, with SDK support for Next.js and SvelteKit. The service also supports OpenFeature standard for integration with other frameworks and custom backends. Pricing is $30 per million flag requests, available to teams on all plans.

Computer Science and Programming

01 March 2026 00:10

The Phoenix Architecture

The "deletion test" is a thought experiment: imagine deleting your entire codebase and regenerating it from scratch. If that's terrifying, it reveals that critical knowledge lives only in the code itself, not in specifications, tests, or contracts. As code generation becomes cheaper through AI, the bottleneck shifts from production to validation. Systems should be built around durable oracles (property-based tests, invariants, contracts) that can mechanically verify correctness without referencing old implementations. When you have strong evaluation mechanisms, code becomes disposable and regeneration becomes safe.

Computer Science and Programming

28 February 2026 17:03

jQuery 4 – Frontend Masters Blog

jQuery 4.0 has been released with full ESM support and removal of legacy features. The minified and gzipped version is now 27.6 kB (down from 30.5 kB in version 3.7.1), with a slim build at 19.6 kB. While beneficial for existing jQuery applications that can upgrade, it's generally not recommended for new projects since vanilla JavaScript now provides most of jQuery's functionality natively.

Computer Science and Programming

28 February 2026 03:45

Supabase PrivateLink is now available

Supabase PrivateLink enables database connections through AWS private networks without public internet exposure. Using AWS VPC Lattice, it allows applications to connect to Supabase databases as if they're inside your own VPC. This addresses compliance requirements for regulated industries and reduces attack surface by eliminating public endpoints. Currently in Beta, it supports AWS VPCs in the same region, covers Postgres and PgBouncer connections (but not other Supabase services), and requires Team or Enterprise plans. Setup involves sharing AWS account details, accepting resource shares, creating VPC endpoints, and updating connection strings.

Computer Science and Programming

27 February 2026 22:45

How Anthropic uses Claude in Marketing

A non-technical growth marketer at Anthropic used Claude Code to build custom automation workflows that reduced ad creation time from 30 minutes to 30 seconds. Starting with zero coding experience, he created a Figma plugin for generating ad variations and a Google Ads copy workflow with CSV export. The article details his process, best practices for non-technical users building with AI coding tools, and examples of how other marketing teams at Anthropic are using Claude to save hundreds of hours monthly on repetitive tasks.

Computer Science and Programming

26 February 2026 12:49

A Visual Diff of Java’s Evolution: Inside java.evolved

java.evolved is a community site that documents how common Java coding patterns have changed across language versions using side-by-side before/after examples. It targets developers working in mixed-era codebases (Java 6, 8, 17+) by showing how existing code would look if written with modern idioms. Examples include replacing verbose data classes with records, using pattern matching in instanceof checks, and leveraging switch expressions. The project is positioned as a practical reference for onboarding and code reviews in mature Java systems.