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ProgrammingDEV Community ·

29,151,855 Matches on Port 5060: The Signalling Layer Nobody Maps

29,151,855 Matches on Port 5060: The Signalling Layer Nobody Maps Session Initiation Protocol is how voice and video calls are set up, and port 5060 is where that signalling lives. A ZoomEye query for port="5060" returned 29,151,855 matches, and at that size the question worth asking is what the number actually contains. The query port="5060" was executed on 25 September 2026 with sub_type=all and pagesize 1. The result was 29,151,855 total matches. As before, the number is a match total rather than a sample of live call servers.

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ProgrammingDEV Community ·

A daily feed of EU tenders you can still bid on

Every public contract above the EU thresholds has to be published on TED (Tenders Electronic Daily), the EU's official procurement journal. That's thousands of notices a week from more than 30 countries, in two dozen languages. If you sell IT, consulting, construction or almost anything else to the public sector, your next contract is probably in there. TED's own search works, but it's built for one-off lookups, not for a daily list of only the tenders you can still bid on. Here's how to set that up in a few minutes.

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ProgrammingDEV Community ·

A Book Recommender That Nails Harry Potter and Fumbles Seven Plays

Let me start with the good result. I asked my book recommender for books similar to Harry Potter and the Order of the Phoenix, and it returned: Rank Recommended title Similarity 1 Harry Potter and the Chamber of Secrets 0.782 2 Harry Potter and the Sorcerer's Stone 0.778 3 Harry Potter and the Half-Blood Prince 0.768 4 Harry Potter and the Prisoner of Azkaban 0.765 5 Harry Potter Boxed Set, Books 1-5 0.764 Nice. Now the other one. I asked for books similar to Seven Plays: Rank Recommended title Similarity 1 Buried Child 0.458 2 See You Around, Sam! 0.263 3 Sam Walton: Made In America 0.246 The

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ProgrammingDEV Community ·

How to Rewrite WooCommerce Product Descriptions in Bulk with Claude or ChatGPT (in Small, Reviewed Batches)

Most WooCommerce catalogues have the same problem hiding in them. The first fifty products got real descriptions because someone cared at launch. The next few hundred got the supplier's two lines, a copy of the product title, or nothing at all. Nobody plans to fix them, because opening products one by one in wp-admin is a week of tabs. AI looks like the obvious answer, and store owners are trying it.

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ProgrammingDEV Community ·

Node.js SaaS Error Tracking API: Backend Heartbeats, Optional React Source Maps

For a Node.js SaaS app, use an error tracking API for diagnosis, but detect a scheduled healthtech import that produces no result with a durable completion heartbeat for every expected backend run. The deciding constraint is rarely whether the tracker can capture a stack trace. It is whether the on-call engineer can distinguish an intentionally empty import from a scheduler, queue, credential, or downstream failure, while the platform owner can assign the resulting telemetry cost to the tenant and import class that caused it. TL;DR: keep exception events for diagnosis, but make a small, backen

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ProgrammingDEV Community ·

Why I built a tactile desktop tear-off notepad with Tauri v2 and Rust instead of Electron

Whenever I needed to jot down a quick two-minute thought or run a quick inline calculation, opening full workspace apps felt excessive. I didn't need relational databases, complex workspaces, or 400MB of background RAM usage—I just wanted a scratchpad that sits on the desk like a real piece of paper. So I built notey. The physical tear: Tearing off a note plays a crisp audio cue and triggers a confetti pop, then automatically moves the sheet into a searchable local archive so nothing is lost. Micro-utilities: Inline arithmetic evaluation (typing 18 * 6 = computes inline), checklists, and PNG s

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ProgrammingDEV Community ·

Lovable Cloud Storage Quota: Why You Hit It and What to Do

The message usually shows up on a Tuesday. Somebody's app has been live for six weeks, users are uploading things, and the Cloud usage bar in Lovable is suddenly orange. They search "lovable supabase storage quota", find three forum threads that disagree with each other, and email us. So this is the post we keep half-writing in those emails. Worth getting straight first, because it explains everything else.

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ProgrammingDEV Community ·

Find federal contracts to bid on, without a SAM.gov API key

If you sell to the US government, SAM.gov is where the opportunities are: solicitations, sources-sought notices (RFIs), presolicitations and awards. Searching it by hand every day is slow. The official API looks like the answer until you find that a personal API key allows only about 10 requests a day. Here's how to get every open opportunity in your NAICS codes as a clean spreadsheet, and then as a daily feed, without an API key. One row per notice: title, notice type, agency, NAICS and PSC codes, set-aside, place of performance, posted date, response deadline, full description, points of con

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ProgrammingDEV Community ·

Most of my traffic is coming from USA!!!

It's day 4 after launching my website, and I noticed that most of my users are coming from the USA. This is surprising because I have done more marketing in Kenya, but since it's an AI tool, it makes sense that more USA residents would be interested. I will keep an eye on this and will probably focus my marketing efforts abroad as opposed to locally. Here is the site I'm talking about: https://aiwatchdog.vercel.app/

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ProgrammingDEV Community ·

Vanam by Mahaveer Varma

This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass I built Vanam, an offline AI field guide for identifying birds and plants in the field. It uses the device camera, microphone, and GPS, and runs AI models directly on the device without uploading data. The results are checked through a confidence policy, written using facts from the local database, and saved to a trail. https://vanam-app-mahaveervarma.netlify.app/ https://github.com/VegirajuMahaveerVarma/Vanam I built Vanam with separate layers for the core logic, data storage, and user interface. The app f

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ProgrammingDEV Community ·

Citrix NetScaler CVE-2026-88771 and CVE-2026-88772: two edge RCE flaws attacked before a fix existed

Citrix NetScaler CVE-2026-88771 and CVE-2026-88772: two edge RCE flaws attacked before a fix existed Citrix published fixes for two NetScaler flaws on 2026-09-27 after watchTowr reported unpatched remote code execution bugs under active exploitation. Both flaws are rated 9.5 under CVSS v4. CVE-2026-88771 is improper input validation that lets an unauthenticated attacker run arbitrary commands. Citrix states that it affects all NetScaler ADC and NetScaler Gateway deployments on the affected versions, with no additional feature required. watchTowr said on 2026-09-26 that it was responding to rep

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ProgrammingDEV Community ·

OpenCode Model Router: per-agent model fallback chains with a local web UI

Long sessions tend to end the same way: the primary model starts returning rate-limit errors, or the provider goes quiet mid-task. The work is half done, the context is fully loaded, and the fix is either to wait or to switch models by hand and hope continuity survives. If you run more than one provider — OpenRouter, DeepSeek, and others — you already have somewhere to fail over to. What is usually missing is a way to declare "this agent tries A, then B, then C" and have that applied automatically when A stops answering. Waiting out a rate limit is fine once; doing it repeatedly, across agents

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ProgrammingDEV Community ·

Como funciona a memória de um agente de IA (e o que acontece quando ela esquece do jeito errado)

Um modelo de linguagem não lembra de nada. Cada chamada recebe um prompt, gera uma resposta e pronto, esqueceu. Quando um agente "lembra" que o projeto usa pytest, quem lembrou foi um sistema fora do modelo, que guardou isso em algum lugar e recolocou no prompt na hora certa. Esse sistema é a memória do agente. Nesse post eu explico como ela funciona, mostro quatro políticas de memória que implementei e conto o que aconteceu quando coloquei as quatro pra acompanhar o mesmo projeto simulado por meses.

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ProgrammingDEV Community ·

Log Collector & Dashboard for Elixir.

A Simple Log Collector for Elixir I’ve just released a small log collection stack for Elixir applications. The idea is simple: store application logs in ClickHouse and provide a lightweight dashboard to search and inspect them. The collector is built with clickhouse_ex_logger, which sends Elixir logs directly to ClickHouse. The dashboard is available in logger_dashboard. It’s designed for developers who want something simpler than a full observability stack when they mainly need to collect, search, filter, and inspect application logs.

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