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ProgrammingDEV Community ·

Site Labels Water Temperatures by Source, Separating Pier Readings From Satellite Data

A developer has built a website showing current water temperatures and tide predictions for about 20 U.S. coastal and Great Lakes locations. The data draws on official sources, including NOAA pier and harbor stations, NDBC buoys, USGS gauges, and NASA/JPL satellite sea-surface analysis. Every reading is labeled with its station ID, observation time, and whether it is a direct measurement or a satellite estimate, along with a seasonal baseline to flag unusual readings. The developer is seeking feedback on how to make the difference between observed and analyzed values clearer to non-expert visitors, and on managing dense tide tables on mobile screens.

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ProgrammingDEV Community ·

PDF subsets can keep the right pages yet show wrong page labels

A PDF subset may contain exactly the selected pages and matching extracted text while still reporting misleading page labels. In a small browser test, a six-page synthetic file reduced to source pages 3, 4, and 6 kept the correct content, but its labels came from the start of the source, showing COVER, i, and 1. The article distinguishes three separate values: a page's position, its logical label, and the number printed on the page, noting that changing the page list does not rewrite printed numbers. The author attributes the mismatch to /PageLabels rules being interpreted against the new page sequence, though the exact responsible function was not identified. A read-only Python audit script using pypdf is provided to check whether output labels match the selected source labels, and the author states it is not a general PDF validator.

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ProgrammingDEV Community ·

Uniswap V3 Upgrade Review Flags Medium Compatibility Risk Around Periphery Contracts

A third-party security firm has published a compatibility review of Uniswap V3, which holds roughly $1.64 billion in total value locked. The report rates the protocol's upgrade compatibility risk at 4 out of 10, citing a deliberately non-upgradeable pool design that limits exposure. The main concerns center on upgradeable periphery contracts and factory-level storage changes that could corrupt pool metadata or break cross-chain consistency. The review identifies specific attack vectors, scores their severity, and recommends technical safeguards to preserve composability and decentralized governance.

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ProgrammingDEV Community ·

Reducing Alert Noise by Adding Pattern Memory and a Local Model, Not Silencing Alerts

The author, an operations veteran with telecom and network support experience, argues that cutting alerts often creates dangerous blind spots, such as a critical alert being missed at 3 a.m. Their team's problem was not effort but memory and context, since recurring alerts were re-triaged from scratch and escalation became the default safe choice. The piece recommends practical hygiene steps, including separating urgent pages from informational digests, defining a short list of always-page alerts, and embedding context like runbook links. It also proposes a layer beside monitoring that remembers recurring patterns, groups related alerts into incidents and runs on local hardware so data stays in-network. The article notes the first half is product-independent and discloses that the author founded the SentinelReady tool discussed later.

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ProgrammingDEV Community ·

Guide to Reading Japanese, German, and Korean Patent PDFs: INID Codes and Claim Parsing

The article explains how R&D and legal teams can work through patent documents written in Japanese, German, or Korean when conducting prior art, infringement, or freedom-to-operate searches. It describes the WIPO INID codes printed in parentheses on patent front pages, which identify fields such as publication number, document kind, filing date, priority data, and grant date. These codes help readers quickly determine whether a document is an unexamined application or a granted patent and assess its effective date. The guide also covers syntax strategies for parsing complex claims and a workflow for cross-referencing reference numerals with engineering drawings.

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ProgrammingDEV Community ·

Wabi AI Assistant Builds Mini-Apps Inside Chats From Plain-English Prompts

Wabi is a personal AI assistant that generates functional mini-apps such as trackers, polls, lists, and widgets directly within chat conversations, without requiring any coding. Users simply describe the tool they want in everyday language. The article, written by the author of the unofficial Wabi Wiki guide, shares five example prompts covering group polls, habit and weight trackers, home-screen countdowns, shared grocery lists, and daily questions for couples. It also recommends practices for better results, such as requesting one tool at a time, naming the intended thread or people, specifying where the app should appear, and refining existing apps rather than starting over. The author notes the guide is not affiliated with Wabi.

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ProgrammingHacker News ·

Two Hours of Restored Sleep Shown in Alzheimer's Study Without Removing Brain Plaques

A reported Alzheimer's study suggests that restoring sleep for about two hours may be beneficial even without clearing amyloid plaques from the brain. The finding is drawn from a ScienceDaily release dated October 2026, which was shared on Hacker News. The available source material offers only the headline and link, so details such as the study design, sample size, and researchers are not confirmed here. The result challenges the assumption that plaque removal is the sole route to improvement in the disease.

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ProgrammingHacker News ·

Border Searches of Laptops and Phones Rose 32% This Year

Reported border searches of travelers' laptops and phones have increased by 32% so far this year. The figures point to a growing push by officials to examine digital devices at entry points. The article, published by Gizmodo, centers on requests for passwords as part of these searches. The source material provided is limited to the headline and link metadata, so specifics on agencies, locations, and legal context could not be confirmed. Readers seeking full details should consult the original Gizmodo report.

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ProgrammingHacker News ·

Twelve Years of Distributed SQLite: A Retrospective on Building Replicated Databases

A blog post by Philip O'Toole reflects on twelve years spent working on distributed SQLite. The piece is a retrospective on the project's evolution over that period. It was shared on Hacker News, where it gathered 9 points and no comments at the time of capture. The article text provided is limited to the link and metadata, so the specific technical details and lessons are not available for summary.

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ProgrammingHacker News ·

About a Dozen Banking Apps Now Allow Use on GrapheneOS

A GrapheneOS post reports that roughly a dozen banking apps have started explicitly permitting use on the privacy-focused Android-based operating system. Historically, many banking apps refused to run on devices with custom or unlocked software, including GrapheneOS. The change is noted in a post on the project's official Mastodon account. The source material is a brief Hacker News link with limited detail, so specific bank names and the exact timing of the changes are not confirmed here.

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ProgrammingDEV Community ·

Node.js Patches High-Severity Brotli Decoder Flaw Enabling Remote Code Execution

Node.js has fixed CVE-2026-111497, a high-severity vulnerability in its Brotli decoder that can permit remote code execution when servers decompress specially crafted Brotli data from untrusted sources. The risk is concentrated in applications that accept and decode Brotli streams, such as through HTTP request bodies, rather than in Brotli compression generally. The flaw was reported by OpenAI Codex Security researchers Khai Tran and Sylvie Mayer and was addressed in Node.js's October 2026 security releases across three supported release lines. Organizations are advised to identify services that decode outside input and to update production runtimes to the patched versions, while noting that sending Brotli-compressed responses alone is not shown to be exposed. Separate patch status applies to other ecosystems such as Envoy and Bun, so they must be checked independently.

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ProgrammingDEV Community ·

Sloth Inbox: local AI sorts your documents and surfaces only the follow-ups that matter

Sloth Inbox is an open-source tool that uses a local model through Ollama to read notes, receipts, and saved emails on the user's own machine. It returns short summaries, suggested categories, and a brief of explicit follow-ups, so the user doesn't have to reopen every file to decide what needs attention. Users review each proposal before a named copy is filed, and the original files stay untouched. A watched-folder mode called Autopilot can read new files automatically, though filing still waits for review. The project was built for the Hacktoberfest Open-Source AI Challenge, and in a measured run six fictional documents were processed by gemma3:4b in about 15 seconds.

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ProgrammingDEV Community ·

AI Lowers Cost of Cyberattacks, Exposing Small Businesses to Targeted Breaches

An analysis published on DEV Community argues that AI-enabled tools are making cyberattacks on small businesses cheaper and faster to carry out. Small firms have long relied on being overlooked by attackers, but automated reconnaissance and exploitation now make them economically attractive targets. The report points to widely used technologies such as PHP, where unpatched vulnerabilities create a large attack surface. It warns that attackers can reportedly compromise a website in under 23 hours at a cost of about $50, with risks to finances, customer trust, and operations. The authors call for stronger security measures to address the growing threat.

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ProgrammingDEV Community ·

Windows Update Error 0x800F0922: Causes and Steps to Diagnose Install Failures

Error 0x800F0922 (CBS_E_INSTALLERS_FAILED) occurs when a Windows update fails during installation and Windows rolls the update back. It is recorded in event 20 of the System log and in the update history, and can also appear when removing server roles or features. The failure stems from an advanced installer, such as one registering a scheduled task, that fails during the update's operation queue. Administrators can identify the failing update and installer through PowerShell event queries and by searching the CBS.log file. When the same installer fails across several machines, the cause is likely a shared issue, such as a corrupted SecureBootEncodeUEFI scheduled task, which can be resolved by removing its registry entries and reinstalling the update.

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ProgrammingDEV Community ·

Wi-Fi 7 (802.11be): What Changes for Home Networks and When to Upgrade

Wi-Fi 7, also known as IEEE 802.11be, is the Wi-Fi Alliance's consumer name for the Extremely High Throughput standard, with its certification program launched in January 2024. It works across the 2.4, 5 and 6 GHz bands and stays backward compatible with older Wi-Fi 5 and 6 devices, though some features need 6 GHz. Key technical gains include 320 MHz channels, 4096-QAM for higher data rates near the access point, Multi-Link Operation for using several bands at once, and preamble puncturing. Theoretical maximum rates reach about 23 Gbit/s, but real-world speeds are much lower, and internet plan limits often matter more for ordinary browsing. The article suggests upgrading mainly for gigabit-class internet, multiple Wi-Fi 7 devices in crowded environments, or frequent local file transfers.

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ProgrammingDEV Community ·

Developer Cuts LLM API Bill 70% by Fixing Call Patterns, Not Code

A developer running several side projects, including a Slack summarizer and a document search tool, was spending about $200 a month on LLM APIs. Switching models and compressing prompts barely reduced costs, so they focused instead on how requests were structured. They found that a large static system prompt was resent on every call, and that a three-step flow was needlessly repeating that input. Merging the draft and polish stages into a single call cut costs by roughly 30%. Adding a Redis cache that reuses recent summaries for unchanged Slack threads reduced costs further, bringing the monthly bill to about $60.

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ProgrammingDEV Community ·

PancakeSwap TVL Reaches $1.55B as Liquidity Risks Rise

PancakeSwap's v2 and v3 automated market makers hold roughly $1.55 billion in total value locked across BSC, Ethereum, and Layer-2 networks, according to an October 2026 security assessment. TVL grew about 18% year over year, driven mainly by inflows through BSC-Layer-2 bridges. Liquidity is becoming more concentrated, with the top 10 pools holding 42% of TVL, and bridge usage now accounts for 22% of total value. The report notes rising flash-loan activity and governance concentration, which it says could raise exposure to bridge exploits and price manipulation. The assessment concludes the protocol's model remains functionally sound while its liquidity risk profile is shifting toward elevated.

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ProgrammingDEV Community ·

Claude Code on Windows Fails Silently in 15 Reproduced Cases

A developer running Claude Code unattended on Windows 11 with Windows PowerShell 5.1 found several failures that returned wrong results without raising any error. They reproduced each issue on a Japanese-locale machine, and re-ran code-page-dependent checks under English defaults, where only one trap stopped occurring. The problems include exit codes being altered by -Command, arguments being silently dropped or merged, and non-ASCII text arriving as question marks or as garbled characters. Other reported traps involve Python crashing when output is redirected, encoding-sensitive script parsing, and a PreToolUse hook whose write went through after timing out. The author published a free MIT-licensed script on GitHub so readers can check which of these issues occur on their own machines.

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ProgrammingDEV Community ·

DeepSeek Open-Sources DeepInfer, an Offline Inference Engine for Enterprise Hardware

DeepSeek has released DeepInfer, an open-source offline inference engine, with its README stating plainly that it is neither a hosted API nor a model itself. The engine is licensed under Apache 2.0, with model weights under MIT, and targets Nvidia SM100 GPUs and Huawei Ascend 950 NPUs for DeepSeek V4.1 Flash. Its feature set includes wide expert parallelism, D-Spark speculative decoding reported to add 4-7% throughput, sliding window cache replay, and structured output support. Analysts note that it is aimed at enterprise-grade hardware rather than consumer GPUs, and that it omits key production components such as a KV cache system, prefill-decode disaggregation, and cluster-level load balancing.

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ProgrammingDEV Community ·

Free browser game collection lets groups share one phone, tablet or laptop

A business analyst and a developer built Pass and Play Games, a free set of 24 browser games designed for two to twelve people passing a single device. The games include chess, ludo, checkers, backgammon, mancala, dominoes, and party titles such as Imposter and Charades, requiring no sign-up. Each game saves its state locally after every move, so play resumes after interruptions, and the games work offline after the first visit. The creators added an optional pass screen to hide information between turns, along with accessibility settings and computer opponents to fill empty seats. Four more games, including Hot Dice and Hot Potato, are planned.

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