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ProgrammingDEV Community ·

ggufit: A One-File CLI That Checks If a Local GGUF Model Fits Your GPU's VRAM

A developer grew frustrated with discovering out-of-memory failures only after downloading large local language models, so they built ggufit, a standard-library-only Python script. The tool reads a GGUF file's header to determine its real architecture and quantization, then estimates whether the model fits a chosen GPU. It accounts for KV cache at a given context length and compares requirements against usable VRAM after driver and OS reserves. Users can also check models before downloading by supplying parameter count and quantization manually, and the tool offers suggestions such as shorter context or partial CPU offload when a model won't fit. The project is MIT-licensed and hosted on GitHub.

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ProgrammingDEV Community ·

memgraph: a zero-dependency CLI that tracks decisions, sources and contradictions

A developer describes a team problem: a queue decision was reversed last month and no one could explain the original reasoning. They present memgraph, a zero-dependency Node.js command-line tool that records decisions and facts, links them to sources, and marks contradictions and superseded decisions. The tool answers why a decision was made, whether anything is stale or contradictory, and what the team currently believes. Its check command exits with an error code when problems are found, so it can run in continuous integration. The project is MIT-licensed, requires Node.js 18 or later, and is available on GitHub.

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ProgrammingDEV Community ·

Laser rangefinder module prices range from $70 to $5,000, with key cost jumps at 1535 nm

A survey of 59 published laser rangefinder module prices, from $70 to $5,000, shows how cost relates to capability. Entry-level 905 nm short-range modules start around $70 to $100, while the cheapest long-range 905 nm units sit near $200. Costs jump sharply from roughly $300 to $900 and above because 1535 nm modules require InGaAs detectors, higher eye-safety margins, and thermal management. The article also notes that range figures depend on target reflectivity, minimum range, interface type, and what is included in the package, so per-unit prices alone can mislead buyers. Volume pricing is quoted per order and varies by model.

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ProgrammingDEV Community ·

Kotlin's Null Safety Makes Missing Data Part of the Type System

The article argues that many hard-to-reproduce crashes stem from code that assumes data will always be present, such as an optional profile field or an empty API response. It explains that Kotlin addresses this by encoding nullability directly in its type system, so a nullable variable cannot be accessed as if it were guaranteed to have a value. Safe-call syntax lets developers read nullable properties without triggering crashes, returning null when the value is missing. The elvis operator provides a fallback value when a null should be replaced with a default, such as a regular name in place of a nickname. Together, these features shift developers from remembering manual null checks to expressing in code which data may be absent.

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ProgrammingDEV Community ·

6pm 2.0.0 adapts its layout to the iPhone Duo's folding hinge

Apple's iPhone Duo goes on sale on October 23, and the team behind the daily money app 6pm built support for its fold using the iOS 27.1 SDK. The developers used UIHingeInteraction and reserved-region APIs to read the hinge state, angle, and screen divisions, then bridged that data into React Native through a small Swift Expo module. A pure layout function decides between phone, rail, spread, and stand arrangements based on the fold's posture. The update is set to ship in version 2.0.0 on the App Store on November 6, and the project's source code is available under an Apache 2.0 license.

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ProgrammingDEV Community ·

SlothAI: Open-Source, Offline AI Tools That Run Locally via Ollama

SlothAI is an open-source web companion that runs open-weight models such as Llama 3.2 locally on a user's hardware through Ollama, avoiding recurring cloud subscriptions and remote data sharing. It bundles six micro-tools aimed at everyday tasks, including summarizing long texts, drafting polished emails, making quick decisions, reorganizing to-do lists, writing bedtime stories, and generating reply options. The project is built with plain HTML, CSS, and vanilla JavaScript without frameworks, keeping it under 40 KB, and it streams model output in real time. Setup requires cloning the repository, starting a local server, and running the model through Ollama. The developers present privacy as the main advantage, since personal data stays on the user's machine instead of going to third-party servers.

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ProgrammingDEV Community ·

Cloudflare's MCP Step-Up Authorization Compared With Google's OAuth Incremental Authorization

A developer examined how Cloudflare's step-up authorization for its API MCP Server differs from Google's OAuth Incremental Authorization. By writing a custom MCP client and sending 128 requests to the live service, the author tested how the server signals missing permissions. The key distinction is that step-up authorization provides a way for the server to tell the client that a scope is lacking, rather than introducing a new authorization method. Testing also showed that some operations returned a 403 challenge while others returned an empty list, an inconsistency the author reported to Cloudflare, which fixed it the same day. The article traces Cloudflare's rollout of the feature across August to October 2026.

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ProgrammingDEV Community ·

Diagnosing Rare Missed Timing Windows: Late Start Versus Long Run Time

A device that runs smoothly for months may suddenly miss its communication window once in thousands of cycles, with no clear error in the logs. Logs record discrete events rather than task durations, so they cannot easily reveal whether the work started late or simply ran long. Such rare faults tend to surface only after long uptimes, when independent activities happen to align, such as an interrupt burst coinciding with a held lock. The proposed technique records worst-case start lag and run time separately, along with a debug GPIO pulse and a small ring-buffer trace, to show whether delays happen before or during task execution. Interpreting the results is straightforward: a large run time points to a slow task or mid-run preemption, while a large start lag with a normal pulse points to preemption or blocking before the task begins.

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ProgrammingHacker News ·

Author Argues PowerShell Is Better Than Its Reputation Suggests

A post on spacebar.news makes the case that Microsoft's PowerShell is a more capable tool than many developers assume. The article was shared on Hacker News, where it gathered 10 points and one comment. The original headline expresses surprise at the shell's quality, reflecting a common view that PowerShell is clumsy or Windows-only. The provided material does not include the article's specific arguments or examples, so the detailed reasoning behind the claim cannot be summarized here.

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ProgrammingDEV Community ·

Boolflow flattens nested circuit blocks into one simulated netlist, with a pin-mapping bug found along the way

Boolflow is a free browser logic simulator in which each block stores its own definition as a nested node, and before simulation every block is replaced by a copy of that definition. The flattening step gives every inner element a path-based id, such as DIV2/D.Q, with a #2 suffix for repeated copies, so simulation state stays distinct. Pins are determined by their position in the definition, and wires crossing a block's edge are rewritten to match, with an output-mapping step restoring block outputs after simulation. The author describes a bug in an early version that tied wires to pin index rather than pin name, causing a renamed-and-reordered output to silently read the wrong pin. The fix keeps wires attached to pins by name, with the editor reporting how many wires were moved or dropped.

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ProgrammingDEV Community ·

PHP Core Patches Fix Two Critical Unauthenticated RCE Flaws, CVE-2026-109618 and CVE-2026-109619

On October 21, 2026, the PHP team released emergency patches for two severe remote code execution vulnerabilities in PHP core. Rated 9.2 on CVSS v4.0 by PHP and 10.0 by watchTowr, the flaws could let attackers run code on web servers without authentication. Details leaked a day before planned disclosure, which prompted the accelerated release. Fixed versions are 8.5.12, 8.4.27, 8.3.36, and 8.2.35, with mod_php configurations facing the highest risk. A vendor-sponsored test reported on the Gardience blog patched 600 Debian web servers through a single approved action and verified the result with a rescan, though configuration changes alone are not considered a complete fix.

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ProgrammingDEV Community ·

Toán tử trong Java: các loại toán tử và cách sử dụng

Toán tử là các ký hiệu dùng để thực hiện phép tính và so sánh trong lập trình, và Java cung cấp nhiều nhóm khác nhau. Bài viết trình bày sáu nhóm chính gồm số học, bit, so sánh, logic, điều kiện và gán. Toán tử số học xử lý cộng, trừ, nhân, chia và lấy dư, còn toán tử bit thao tác trực tiếp trên từng bit của số nguyên. Toán tử gán mở rộng kết hợp phép tính với phép gán, giúp viết mã ngắn gọn và dễ đọc hơn.

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ProgrammingDEV Community ·

DRIFTLIGHT: A Learning Lab for Reverse Engineering an Undocumented Game Protocol

The article introduces DRIFTLIGHT, a small UDP arena game built as a legal practice target for learning to reverse engineer undocumented game protocols. It provides stripped binaries, a recorded capture of 1,976 packets, and no documentation. The author walks through identifying a recurring magic number, a version byte, and an opcode field in a sample packet, and explains how the payload length and header size were worked out. Grouping packets by opcode and timing reveals much of the game's architecture before any payload is decoded. The first lab is offered free, while the full five-lab pack is available as an early-bird pre-order at $29 with automatic refunds if it does not ship.

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ProgrammingDEV Community ·

Moving AKS Workloads from AAD Pod Identity to Entra Workload ID

Azure Kubernetes Service clusters that still authenticate through the deprecated AAD Pod Identity system need to migrate to Entra Workload ID, which uses OIDC federation. The old setup relies on AzureIdentity and AzureIdentityBinding resources plus Node Managed Identity pods, which add CPU overhead and security exposure. The guidance stresses first inventorying existing bindings to learn each workload's real access needs, then mapping each one to a federated Kubernetes service account. Entra ID matches the federated subject string exactly, and a missing pod label stops the webhook from injecting credentials, so both must be verified. The recommended approach is a staged migration with token exchange tested beforehand, followed by deleting the old resources and confirming through Azure Activity Logs that only the new identity makes the calls.

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ProgrammingDEV Community ·

How a Clash of Clans base library chose its search taxonomy

A developer building a free iOS library of Clash of Clans base layouts found that deciding how to structure the data was harder than building search. They store Town Hall level as an integer so range filters are simple, and they index bases by purpose such as war, farm, trophy, or hybrid, since players think in terms of goals. Subjective labels like ring or island base were kept as free-text notes rather than filters, because different people tagged the same base inconsistently. The developer also re-checks copy links before publishing, since a dead link is worse than no entry. The article is written by the app's creator and includes a promotional link to the app.

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ProgrammingDEV Community ·

Hamster Kombat's airdrop share per player shrank as its player base grew

Hamster Kombat, a play-to-airdrop Telegram game, announced 300 million players in July 2024 and allocated 60% of its token supply to them. The airdrop was distributed on 26 September 2024 to 131 million qualifying accounts, averaging about 458 tokens each. The article calculates that this share was worth roughly $5 at the listing price, falling to about $1.15 after the token dropped sharply by early November. It argues that in fixed-pool airdrops each additional player dilutes every existing share, unlike casino games where payouts per bet are independent of player count. The piece is published by Betkyo Journal and includes a disclaimer that it is not financial advice.

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ProgrammingDEV Community ·

Fixing Serverless Timeouts When Fetching YouTube Creator Metrics in Next.js

A developer building PulseROI, a tool for Indian D2C brands tracking influencer campaigns, found that Vercel cron jobs fetching YouTube Data API metrics for 50+ creator handles frequently timed out past 25 seconds. The original approach, firing all requests at once through Promise.all, caused gateway timeouts, rate-limit hits, and lost data when a single slow call stalled the whole batch. The fix was to process requests in chunked concurrency pools with a per-request timeout wrapper and a hard abort controller. The article shares the TypeScript implementation used in production to keep cron jobs running under about 15 seconds.

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ProgrammingDEV Community ·

Anthropic's draft IPO filing shows $80.7B H1 loss, mostly non-cash, amid $600B+ compute commitments

A draft prospectus for Anthropic's planned November IPO reports an $80.7 billion net loss for the first half of 2026 against $16.3 billion in revenue, which grew roughly fourteenfold year over year. About $72 billion of that loss is a non-cash charge tied to rising fair value of convertible notes, leaving an underlying loss near $8.7 billion. The filing also shows Anthropic has committed more than $600 billion to future computing infrastructure, mostly non-cancellable, with up to $750 billion more under discussion. Roughly one-fifth of first-half revenue came from two customers, and the company flags uncertain compute access and community opposition to data centers as risks.

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ProgrammingDEV Community ·

LocalBusiness Schema for Home Service Sites: Implementation Guide

A developer guide explains that many contractor websites lack structured data or use a generic sitewide Organization block that fails to describe the business. For local search, it recommends LocalBusiness or a subtype such as HVACBusiness, with sample JSON-LD covering name, phone, hours, service areas, and address. Service-area businesses without storefronts should omit the street address and rely on areaServed, and all fields should match the Google Business Profile exactly. The article advises one sitewide LocalBusiness block plus Service schema on service pages, and warns against self-serving review markup. It also recommends testing with Google's Rich Results Test and Schema.org's validator, and rechecking after theme updates because WordPress changes can silently remove injected markup.

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ProgrammingDEV Community ·

Anthropic's IPO draft shows $80.7B first-half loss and over $600B in compute commitments

A draft prospectus for Anthropic's planned November IPO reports an $80.7 billion net loss for the first half of 2026 on $16.3 billion in revenue, which grew about fourteenfold year over year. Roughly $72 billion of the loss stems from a non-cash charge tied to rising fair value of convertible notes, leaving an underlying loss of about $8.7 billion. The company has committed more than $600 billion to future computing infrastructure, mostly under non-cancellable contracts, with up to $750 billion more under discussion. Its first-half compute spending nearly reached $9 billion, already surpassing all of 2025, and about one-fifth of revenue came from just two customers. The filing also flags risks including uncertain compute access, local opposition to data center construction, and possible catastrophic-incident costs that could exceed insurance coverage.

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