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ProgrammingDEV Community ·

Bitcoin peut être acheté en fractions, grâce à sa divisibilité jusqu'au satoshi

Le Bitcoin est divisible jusqu'à un centième de millionième d'unité, appelée satoshi, ce qui permet d'en acquérir une portion sans payer le prix d'un bitcoin entier. Un investisseur peut par exemple placer 500 euros pour détenir 1 % d'un bitcoin valant 50 000 euros. Le guide explique la démarche : choisir une plateforme d'échange fiable prenant en charge les fractions, créer un compte sécurisé, déposer des fonds puis passer un ordre d'achat en euros ou en quantité de bitcoins. Il recommande ensuite de transférer ses avoirs vers un portefeuille personnel, idéalement matériel, pour renforcer la sécurité. Ces informations s'appuient sur un scénario fictif illustrant le principe.

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ProgrammingDEV Community ·

Browser-based manga text erasure without an inpainting model

imgtranslator.com translates text inside images and redraws the translation in place, with OCR and translation handled on a server. The erasing step runs on a canvas in the browser, and the author deliberately avoided generative inpainting because it can silently alter non-text content such as prices or faces. The first hand-written pixel-rule eraser assumed text colour could be inferred from contrast with the strips above and below each box, which failed badly on manga. A second approach instead treats text as the colour that is common inside an OCR box but rare in a ring just outside it. Failures across 166 real uploads and 2,115 boxes were analysed, with the author noting that vertical manga columns were especially problematic.

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ProgrammingDEV Community ·

Developer Builds Zero-Dependency Firefox New Tab Extension in Vanilla JavaScript

A developer documented building Weather & Clock Dashboard, a Firefox extension, using only HTML, CSS, and JavaScript with no frameworks, build tools, or dependencies. The author chose this approach to keep the extension under 100KB, avoid breakage from dependency updates, and make it easier for web developers to contribute. The write-up explains the basic extension structure, including a manifest.json file that overrides the new tab page. It also shows how the extension uses OpenWeatherMap's free API, native time zone handling, system dark mode detection, and localStorage caching to keep loading fast.

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ProgrammingDEV Community ·

Audit finds AI memory store gave every entry top confidence, then downgraded 2,439 records

A developer auditing the memory store of a personal AI system found 2,466 active memories, all assigned the highest trust score of 1.0. Most of the inflated scores came from two bulk import batches that bypassed the normal source-based review process. Twenty-seven of the entries were summaries the system had generated from other memories, yet they carried the same verified-grade marker as firsthand records. The author argues this created a form of trust laundering, where provenance was lost with each pipeline pass. The team downgraded 2,439 memories in a single night, reasoning that false certainty is more dangerous than acknowledged ignorance in systems that act on their stored knowledge.

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ProgrammingDEV Community ·

Solo developer releases three free browser games: NFL clock puzzle, daily Pokémon challenge, party guessing

An independent developer has launched three free games that run entirely in a web browser without downloads or sign-ups. 2 Minute Drill places players in the final two minutes of an NFL game, where they manage the clock, timeouts, and play calls. Daily Red offers a single daily Pokémon battle against a fixed team that is identical for every player worldwide, allowing strategy comparisons. Noillirk is a party word-guessing game in which players aim to match the majority answer across seven 15-second questions, with optional multiplayer rooms. The creator says short sessions and browser-only access helped keep players engaged, and is asking for feedback on confusing and overly easy elements.

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ProgrammingDEV Community ·

Esports Odds APIs Offer Match Odds and Data Feeds for CS2, LoL, Dota 2 and Valorant

Esports odds APIs give developers programmatic access to real-time betting lines from multiple sportsbooks for competitive gaming tournaments. Coverage typically spans titles such as League of Legends, Counter-Strike 2, Dota 2, Valorant and Call of Duty, though providers differ in which games they include. Common markets include match winners, map totals, map handicaps, first kills, round-by-round live betting and tournament futures. Esports data APIs are separate: they supply match results, live scores, player statistics, rosters and patch versions but carry no prices, so betting products usually pair them with an odds feed. Official data typically comes from publishers or tournament organizers through a single licensed distributor per title or league.

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ProgrammingHacker News ·

PHP releases updated versions 8.5.12, 8.4.27, 8.3.36 and 8.2.35

The PHP project has published new maintenance releases across four of its supported branches, numbered 8.5.12, 8.4.27, 8.3.36 and 8.2.35. The updates were announced on the official php.net website and drew attention on Hacker News, where the post gathered 208 points and 63 comments. The source material provided does not describe the specific fixes or changes included in these releases. Developers running any of these branches can find the release details and download links on the official PHP site.

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ProgrammingHacker News ·

PHP 8.2.35 Released on GitHub

A new maintenance release of PHP, version 8.2.35, has been published on the php-src GitHub repository. The release was shared on Hacker News, where it gathered 251 points and 88 comments. The source material provides only the release link and discussion metrics, without detailing the specific fixes or changes included. Readers interested in the update can find the release notes and download details on the official GitHub release page.

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ProgrammingHacker News ·

AI tool uncovers critical remote code execution flaw in PHP

A security write-up reports that an AI-assisted analysis identified a critical remote code execution vulnerability in PHP, the widely used scripting language for web applications. The finding was shared on the Wiz blog under the name PHP2Shell and gained traction on Hacker News, where it drew 97 points and 20 comments. Remote code execution flaws of this kind can allow an attacker to run arbitrary commands on a vulnerable server. The source material available here does not detail the affected PHP versions or whether patches have been released.

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ProgrammingHacker News ·

Developer Reverse Engineers the Hitster Board Game

A blog post by developer Wuemeli describes an effort to reverse engineer the board game Hitster. The write-up is published on the author's personal blog and was shared on Hacker News, where it has gained a few points. The source text provided does not include the article's full details, so the specific methods and findings cannot be confirmed. Readers interested in the technical approach are directed to the original post for complete information.

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ProgrammingHacker News ·

OpenAI Explores AI Agents for Surfacing New Leads in Biological Data

OpenAI has published a post describing how it is using AI agents to analyze complex biological datasets in search of new research leads. The write-up focuses on scaling AI-driven research workflows to handle the size and complexity of biological data. The article was shared on Hacker News, where it drew modest early attention. The source material available here provides only the headline, link, and engagement metrics, so specific findings, methods, and results cannot be confirmed from this item alone.

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ProgrammingHacker News ·

Study Argues Most Advice Reflects the Giver's Own Circumstances

An essay on coached.com contends that much of the advice people offer is well-suited to the person giving it but not necessarily to the recipient. The piece suggests advisors often draw on their own experiences, strengths, and situations without fully accounting for differences in the listener's context. As a result, guidance that worked for one person may fail when applied to someone with different resources, goals, or constraints. The argument encourages people to weigh advice with that mismatch in mind. The source article's full details beyond this framing were not included in the provided text.

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ProgrammingHacker News ·

Uberblok: An Interactive Museum Explaining ZFS Internals

A storage engineer has built Uberblok, an interactive web museum dedicated to explaining the internals of ZFS, the file system. The site covers topics such as copy-on-write, transaction groups, vdevs, RAID-Z, snapshots, the ARC, metaslabs, the ZIL, and send/receive, using explanations and animated diagrams. The creator built the project with their agent swarm organization, Algotitan, and an accompanying source repository is publicly available on GitHub. The author has invited corrections from readers with deeper expertise in the subject. The project was shared on Hacker News, where it had received limited attention at the time of posting.

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ProgrammingDEV Community ·

Japanese Filenames Broke a Mac App's Code Signature After DMG Copy

A Mac app was reported as damaged after distribution, with codesign verification failing on a sealed resource. The developer traced the problem to four Japanese filenames containing voiced sound marks, which were converted from NFC to NFD normalization when the app was copied from a DMG. Because the altered names no longer matched those sealed during signing, the signature check failed even though the names looked identical on screen. The fix bundles the Japanese-named files into a single ASCII-named file that is extracted on first launch with NFC-normalized names. After this change, code signature verification passed following the copy.

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ProgrammingDEV Community ·

Developer Builds Local AI Tool That Writes and Verifies CTF Reverse-Engineering Challenges

A developer created SlothCTF, an open-source tool that uses a locally run open-weight model to generate reverse-engineering CTF challenges from a short text prompt. Early attempts failed because language models repeatedly miscalculated byte-level XOR encoding, so the design was changed to have the model write C programs while the compiler performs the exact arithmetic. Each generated challenge is compiled, executed, and checked to confirm the flag is recoverable, that correct input is accepted and wrong input rejected, and that the plaintext secret does not appear in the binary's strings. The developer reported that all 20 of their planned challenge prompts produced valid challenges, each including source code, a compiled binary, a player README, and an organizer walkthrough. The project was submitted to a Hacktoberfest open-source AI challenge.

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ProgrammingDEV Community ·

Modder's Endless Legend 2 automation tools expose solved city-layer mechanics

A modder has released Endless Legend 2 mods that automatically choose the best population growth, swap jobs, and buy foundations, aiming to reduce tedious micromanagement in wide and late-game play. Players praised the time savings, with one reporting hundreds of fewer clicks. The author argues this reflects that many city-layer decisions have a computable optimal answer, making them data entry rather than meaningful choices. Others counter that the dense adjacency puzzle is a deliberate depth that fans enjoy, though the mandatory nature of district management means solved tasks crowd out the decisions that remain open. The author concludes that the real issue is manual repetition of solved decisions, and suggests Amplitude should incorporate such automation into the game.

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ProgrammingDEV Community ·

n8n, Zapier and Make Compared on Cost, Control and When to Write Custom Code

The article compares Zapier, Make and n8n, three tools for connecting apps and automating routine work. Its central point is that they bill differently: Zapier charges per action, Make per module, and n8n per workflow run, so costs diverge as workflows grow. The guide reviews October 2026 pricing from Zapier's and n8n's public pages and explains Make's billing without publishing exact figures. It recommends Zapier for simple automations, Make for visual branching at lower step prices, and n8n for long, high-volume or self-hosted workflows. It also argues that teams needing custom interfaces, memory or changeable rules should consider writing custom code, possibly alongside n8n for background jobs.

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ProgrammingDEV Community ·

Developers Report Unexplained Obfuscated Code in Next.js and PostCSS Config Files

A GitHub community discussion described obfuscated code appearing in next.config.js and postcss.config.js without any manual edits by developers. The original poster, maewhyxng2-prog, reported the changes surfacing during build or linting checks, raising concerns about unauthorized injection and supply chain risks. Their team responded with stricter static analysis via CodeQL and cryptographic hashing of configuration files, yet the source of the mutations remained unidentified. A community member, 4Raisan, recommended isolating the exact pipeline step where the files change, preserving evidence, and reproducing the issue in a clean environment. The discussion highlights how even well-secured projects can experience unexpected configuration changes that require systematic investigation.

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ProgrammingDEV Community ·

2026 Marks a Shift Toward Reliable AI Agents Built With Harness Engineering

The AI industry's focus has moved from simply impressing users with prompts toward making agents dependable enough to run repeatedly and safely at scale, as highlighted in a recent China Academy of Information and Communications Technology keyword report. Developers now emphasize the 'harness,' the surrounding code, constraints, and feedback loops that keep a language model on task during long-running jobs, with open-source harness releases from firms like OpenAI and DeepSeek reflecting the trend. Meta has introduced new models featuring Active Memory, which retains user details across conversations, and Active Focus, which helps agents adapt rather than abandon tasks after errors, targeting professional work in law, finance, and software development. Separately, MiniMax's M3.1 Flash model reportedly delivers threefold faster inference and 70% lower usage costs, easing the expense of running agents at scale.

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ProgrammingDEV Community ·

NestJS Tool Calling: Exposing Service Methods to LLM Agents

Developers can let an LLM invoke NestJS code by decorating a service method with @Tool() and its parameters with @ToolParam(). The model only requests a function call, and the application itself executes the method and returns the result for the model to use in its answer. The guide uses a product catalog service as its example, with a checkStock method that reports inventory for a SKU and throws an error when the product is missing. The service is registered in a module and then listed in the agent's tools configuration, which gives the agent access to every tool-decorated method of that module's providers. The tutorial is part 2 of a series, and its examples were tested with NestJS 12, LangChain 1.x, Zod 4, nestjs-langchain 2.0 and Node 22.

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