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ProgrammingDEV Community ·

How to Build a Rotation-Safe Webhook Receiver: Verify Raw Signatures for Property Billing

To build a webhook receiver that survives key rotation, verify each signature against the raw body, bind the verified key to a property account, enqueue that evidence, and acknowledge only after the durable write. At 03:07, the page says webhook_auth_failures_high. The property-management API is still serving residents, but payment and maintenance events from several buildings are being rejected just after a production key rotation. The dashboard shows a tidy error-rate line. It does not answer the useful question: which key identifier failed, for which property account, and did any rejected e

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ProgrammingDEV Community ·

What Can $10 Buy Across Different LLM APIs?

LLM API pricing pages usually quote prices per million tokens. That is useful for billing, but it is not always the easiest way to think about cost when building an application. A question I find more intuitive is: If I have a $10 API budget, how many real requests can I make? The answer depends heavily on the ratio between input and output tokens. Let's use one simple workload and compare a few models.

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ProgrammingDEV Community ·

Windows 11 Gaming Security: TPM 2.0, Secure Boot and Anti-Cheat Explained

PC gaming security has changed significantly with Windows 11. Features such as TPM 2.0, Secure Boot, UEFI firmware, signed drivers, and hardware-backed security are becoming increasingly relevant to modern games and anti-cheat systems. For PC gamers, this means that an anti-cheat error or game launch problem is not always caused by the game itself. Sometimes the issue comes from Windows security settings, motherboard firmware, drivers, or BIOS configuration. TPM stands for Trusted Platform Module.

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ProgrammingDEV Community ·

Headless Vue + WordPress Boilerplate v2.0.0

Headless Vue + WordPress Boilerplate v2.0.0 Yes, Version 2.0.0 is here!!! This boilerplate allows you to use Vue as the front-end for your WordPress theme in a headless architecture. WordPress handles the backend and REST API, while Vue powers the user interface using modern frontend tooling like Vite. 🌟 Use Vue 3 with Vite for a fast and modern development experience ⚡ Hot Module Replacement inside WordPress: save a .vue file and see it instantly, no rebuild 🔌 One-line REST API routes in PHP and one-line calls in Vue (useApi, useWp) 🧭 WordPress pages, posts and menus work out of the box wi

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ProgrammingDEV Community ·

[FEATURE] suggest starting a new conversation when resuming a large/stale session

The public issue trackers of the major agent CLIs are the best place to read what "my agent got dumber" actually looks like in the wild. One of the most concrete reports is titled, verbatim: [FEATURE] suggest starting a new conversation when resuming a large/stale session The request is small and specific. When you resume a session that has grown large or has gone stale, the CLI should suggest starting a new conversation, because resuming it drags back a pile of context that no longer describes the work in front of you. Two sibling reports sit in the same class, and their titles are also verba

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ProgrammingDEV Community ·

15 GPU list prices rose in September and none fell. Today AWS raises Capacity Blocks 15%

In September 2026 we compared 176 posted on-demand GPU prices, each cloud's own published rate for each GPU it rents, between the first three and the last three days of the month. 15 ended the month higher, none ended it lower, and the other 161 did not move. Today, October 7, AWS adds an increase of its own to EC2 Capacity Blocks for ML. Everything below comes from the daily prices FastGPU records across GPU clouds, published as an open dataset, and from AWS's own pricing page. Every figure links to the page it comes from.

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ProgrammingDEV Community ·

Next-Generation Semiconductors for the AI Era: Redefining Compute Beyond Moore’s Law

Originally published on the Alpinum Consulting website. Artificial intelligence is changing the direction of semiconductor innovation. As AI models become larger, more complex and more energy-intensive, the industry can no longer rely only on traditional transistor scaling to deliver the next generation of compute performance [1]. This is where next-generation semiconductors become critical. The future of AI infrastructure will depend on specialised accelerators, advanced packaging, memory-centric architectures, chiplets, photonic computing, neuromorphic approaches and system-level co-design [

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ProgrammingDEV Community ·

Security Audit Report: Reentrancy & Access Control Review: Gauntlet

Security Audit Report: Reentrancy & Access Control Review: Gauntlet Target Protocol: Gauntlet (TVL: $1644.4M) Security Audit Report – Reentrancy & Access‑Control Review Protocol: Gauntlet Scope: Core smart‑contract suite (Ethereum mainnet & L2 roll‑ups) – Vaults, Strategy Manager, Fee Distributor, Governance & Upgrade Proxy layers. Date of Review: 2026‑09‑30 – 2026‑10‑05 Auditors: Senior DeFi Security Research Team – [Your Company] Gauntlet is a high‑TVL ($1.64 B) asset‑management and yield‑optimization protocol that operates on Ethereum L1 and several L2s (Arbitrum, Optimism, zkSync). The pla

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ProgrammingDEV Community ·

My First GitLab Open Source Contribution: From Issue to Merge Request

My First GitLab Open Source Contribution: From Issue to Merge Request Contributing to a large open-source project can feel intimidating when you are seeing the codebase for the first time. GitLab is a particularly interesting project to contribute to because it combines a large Ruby on Rails application with databases, CI/CD, frontend code, and many other components. For my first GitLab contribution, I decided to work on a database-related issue involving PostgreSQL table storage and HOT updates. This post describes what I learned while going from an issue to an actual merge request. I started

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ProgrammingDEV Community ·

We Tested 80 Residential Proxy Providers Across 115,192 Real-World Requests: September 2026 Report

Last month we published our first monthly proxy benchmark: 50 providers, six real-world targets. The September 2026 edition is out, and the test cohort is much larger: 80 residential proxy providers and 115,192 requests, all sent through the same scenarios, timeouts and classification rules. Here is what the data shows, plus a short pandas script so you can check every number yourself. Metric September 2026 vs August Providers tested 80 +31 new, 6 exited Total requests 115,192 +131.1% Avg success rate 87.4% +6.9 pp Avg latency 1.36s +0.06s Overall block rate 10.0% −6.4 pp One caveat before rea

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ProgrammingDEV Community ·

Telemetry that asks first

Usage telemetry is genuinely useful. Knowing which commands people actually run, where the errors cluster, whether anyone ever touched the feature you spent a fortnight on... that's the stuff that makes you a better maintainer. Wanting it is completely legitimate. The trouble is that the usual way of getting it, on by default and quietly hoovering up everything, is a small betrayal of the people who installed your tool to get a job done.

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ProgrammingDEV Community ·

Day 6: Data Preprocessing — Cleaning the Messy Reality of Enterprise Data

Real-world enterprise data is rarely ready for machine learning. Whether you are analyzing console output from high-performance networking hardware, such as troubleshooting transceiver EEPROM data on a Mellanox SN2100 switch, or aggregating daily trading volumes for Indian REITs and InVITs, the raw data will be full of errors, gaps and anomalies. (These are only examples to illustrate data problems.) Data preprocessing is the engineering step that turns that chaotic raw information into the clean, numeric format that algorithms need. "Garbage in, garbage out" is the first rule of AI: a model c

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ProgrammingDEV Community ·

Compliance Evidence for SMS OTP Login Polling Status When Provider Webhooks Are Missing

Short answer: for a B2B marketplace using SMS OTP login, choose a provider boundary that emits the verification evidence your reviewers need. When there are no webhooks, polling can enrich the delivery-status trail, but a delivered receipt must never decide that the seller proved possession. A hosted verification service is the smallest operational surface; owning the code lifecycle gives finer evidence and policy control. Boundary Pick this when Evidence retained Main burden Hosted verification Standard issue and check semantics fit policy Challenge ID, outcome, timestamps, policy version Rec

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ProgrammingDEV Community ·

Nobody Reads Your Notifications. That Is an Architecture Problem.

In early 2024 an operations director at a manufacturing customer told me something I repeated to my own team for months afterward. She said it politely, which somehow made it worse. "Our approval chain is slow." So we measured it. The process itself — validation, routing, the countersign steps — averaged under four minutes of system time. End to end, the average was thirty-one hours.

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