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  1. 1
    Developer runs full nodes for nine blockchains on one server●I run full nodes for nine chains on one server in a datacenter. For a while I used them only for my... # bitcoin # api #MmastodonBusinessCrypto11 d ago

    A developer describes running full nodes for nine cryptocurrency chains, including Bitcoin, Litecoin and Decred, on a single server hosted in a datacenter. The post explains how the nodes were initially used only for personal projects, and discusses calling JSON-RPC interfaces without running additional infrastructure. The write-up has drawn attention from the software development and blockchain community for its practical, self-hosted approach to multi-chain infrastructure.

  2. 2
    Invofox converts any document into structured JSON▼Show HN: Invofox – Turn any document into structured, validated JSONYhnSportBaseball623 h ago

    Invofox launched on Hacker News with a tool that turns arbitrary documents into structured, validated JSON. The service, aimed at automating document processing, was shared by developer albertogimeno and drew early engagement from the community. Commenters on such launches typically discuss accuracy, pricing and how it compares with alternatives in the document-parsing space.

  3. 3
    New JSON-RPC service for UTXO blockchains launches▼JSON-RPC for UTXO chains is launched at https:// getnodes.net . Test period until 14th of October, free 30-days API keysMmastodonBusinessCrypto010 h ago

    A new JSON-RPC API service for UTXO-based blockchains has launched at getnodes.net. During a test period running until October 14, developers can obtain free 30-day API keys. The service currently allows 3 requests per second with no daily, monthly or other usage caps. After the test phase, a free entry-level API key tier is planned, introduced mainly to filter out abuse.

  4. 4
    Slovak Business Register Data Now Queryable via API▼Slovak Company Data via API: RPO Lookups by IČO or Name, as JSON (2026) Slovakia's... # api # slovakia # fintech # kyb #MmastodonBusinessBanking21 d ago

    Slovakia's commercial register (RPO) company records can be looked up programmatically by company ID number (IČO) or name, returning results as structured JSON. The capability is drawing attention among developers and fintech workers who use such data for know-your-business checks and automated verification, with discussion focused on how to integrate register lookups into software workflows.

  5. 5
    Benchmark tool Hyperfine 2.0.0 measures more than runtimes●Which command is faster? Hyperfine measures after In version 2.0.0, the benchmark tool Hyperfine measures more than justMmastodonTechnologySoftware111 h ago

    Version 2.0.0 of the command-line benchmarking tool Hyperfine has been released, and the tool now measures more than just execution times. The update also changes how the startup of test commands is handled and revises JSON export. Developers who compare which shell commands run faster are discussing the changes and what the new measurements mean for their workflows.

  6. 6
    json2dir tool makes directory archives human-readable▼json2dir: Directory archives, made human-readable https://github.com/alurm/json2dir # Programming # Tools # OpenSourceMmastodonTechnologySoftware41 d ago

    A new open-source tool called json2dir, developed by alurm, creates directory archives that remain readable by humans. The project is hosted on GitHub and is being shared among programmers as a handy utility for archiving file trees in a format that is both machine-processable and easy to inspect directly. Early reactions in developer communities are modest but positive, with the tool circulating under programming and open-source tooling topics.

  7. 7
    Chrome extension Morpho Enhancements flagged as likely malicious●# chrome extension Morpho Enhancements seems malicious. Its # cybersecurity badness score is 94/100! ```json {"id": "fdaMmastodonTechnologyCybersecurity21 d ago

    The Chrome browser extension Morpho Enhancements has been flagged by automated security analysis with a risk score of 94 out of 100, a level typically indicating malicious or highly dangerous behaviour. Security-focused users are sharing the warning and urging others to avoid installing or to remove the extension.

  8. 8
    Why a JSON Array Needs a Root Element in XML●JSON to XML: Why an Array Needs a Root Element A JSON object with one key can still need... # coding # programming # sofMmastodonTechnologySoftware31 d ago

    A technical explainer circulating among developers looks at converting JSON to XML and why even a JSON object with a single key can require a root element when expressed in XML. The piece highlights a common stumbling block in data interchange work between the two formats, drawing modest engagement from the programming community.

  9. 9
    KiwiEngine devlog explores how applications handle external requests▼Road To KiwiEngine # 43 : An application can't live entirely inside itself. Eventually, something has to come in. A requMmastodonTechnologySoftware33 d ago

    A developer writing the KiwiEngine series has published entry number 43, focusing on how applications communicate with the outside world. The piece argues that no application can live entirely inside itself: requests, form submissions, API calls and webhooks must come in, while responses, JSON payloads and errors go back out. Readers following the series are discussing how the engine handles this boundary between internal logic and external input.

  10. 10
    RustNet v1.7.0 adds host analytics and headless output●RustNet v1.7.0 is out 🎉 The new Host tab shows listening sockets and passive DNS analytics: failures, timeouts and latenMmastodonTechnologyCybersecurity02 d ago

    RustNet v1.7.0 has been released. The new version adds a Host tab showing listening sockets and passive DNS analytics, including failures, timeouts and latency. Connection health badges now flag TCP retransmits, QUIC retries and UDP timeouts. The release also introduces headless JSON and JSONL output for scripts, plus support for Docker, Podman and LXC environments.

  11. 11
    Apple launches beta Pass Designer for Apple Wallet▼Apple lanzó Pass Designer, una app beta que permite crear y previsualizar passes de Apple Wallet sin escribir JSON a manMmastodonTechnologySoftware45 d ago

    Apple has released Pass Designer, a beta app that lets developers create and preview Apple Wallet passes without hand-writing JSON. The tool offers a real-time preview of passes as they are built, simplifying what was previously a manual, code-heavy process for developers working with Wallet passes.

  12. 12
    Chrome extension Local Media Player flagged as malicious●# chrome extension Local Media Player seems malicious. Its # cybersecurity badness score is 99/100! ```json {"id": "hfjoMmastodonTechnologyCybersecurity34 d ago

    A Chrome browser extension called Local Media Player is being flagged as likely malicious, with an automated cybersecurity risk score of 99 out of 100. Security observers are warning others to avoid installing it and to review their browsers for the extension, which carries the identifier hfjoaohgiikdanjdmgalfmmkcbajodko.

  13. 13
    Chrome extension Daily Quote flagged as malicious●# chrome extension Daily Quote seems malicious. Its # cybersecurity badness score is 93/100! ```json {"id": "lcipcnkaddnMmastodonTechnologyCybersecurity34 d ago

    The Chrome browser extension Daily Quote is being flagged as potentially malicious, with a reported cybersecurity risk score of 93 out of 100. Security observers are warning users to avoid or remove the extension, though no confirmed details about its behaviour or affected user numbers have been published.

  14. 14
    Chrome extension NotedIt flagged as likely malicious●# chrome extension NotedIt seems malicious. Its # cybersecurity badness score is 90/100! ```json {"id": "npogpbnkjaklhbhMmastodonTechnologyCybersecurity24 d ago

    The Chrome browser extension NotedIt is being flagged by cybersecurity monitoring as potentially malicious, receiving a risk score of 90 out of 100. The warning, circulated among security researchers, highlights growing concern over dangerous add-ons in the Chrome Web Store. Users with the extension installed are advised to review it and consider removing it until its behaviour is verified as safe.

  15. 15
    Go JSON v2 Migration: What Breaks in Go 1.27▼Go JSON v2 Migration: What Breaks in Go 1.27 https://importstatic.com/go/go-json-v2-migration # Go # Programming # TechMmastodonTechnology35 d ago

    A new guide details the migration to Go's JSON v2 encoding package and the breaking changes developers can expect in Go 1.27. It walks through incompatibilities teams will hit when switching from the existing encoding/json behavior, a topic drawing attention among Go developers planning upgrades.

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    Developers embrace jq for command-line JSON processing●💻 jq: 35.7 k ⭐ I used to pipe JSON through Python one-liners to extract fields. Then I learned jq and my shell scripts gMmastodonTechnologyAI04 d ago

    The command-line tool jq, a GitHub project with roughly 35,700 stars, is drawing attention as a simpler way to handle JSON data. A developer describes how switching from piping JSON through Python one-liners to jq made shell scripts dramatically shorter, calling it like sed, awk and grep but for JSON. Its pipe syntax lets users chain filters, slices, maps and transformations directly from the terminal.

  17. 17
    App maker touts instant one-click data export●Data portability usually means filing a request and waiting weeks for a zip file. In my app it’s a button: Settings, ExpMmastodonHealthMental Health26 d ago

    A developer is promoting an app that lets users export all their data instantly via a single button in the settings menu, delivering everything as JSON or CSV, or as an encrypted copy protected by a user-chosen passphrase. The developer contrasts this with the usual data portability process, which typically involves filing a request and waiting weeks for a download, and notes that users can export without closing their account.

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