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ProgrammingDEV Community ·

How Fintech APIs Are Reshaping Digital Payments Across Africa

Across Africa, Application Programming Interfaces (APIs) have become the core infrastructure linking banks, mobile money providers, fintech startups, and merchants into a unified digital payment ecosystem. Unlike more established markets, Africa's financial landscape is driven by necessity, as traditional banking infrastructure cannot keep pace with the scale and speed of modern financial demand. Fintech APIs address this gap by enabling mobile-first solutions that allow millions of unbanked users to send money, pay bills, and access financial services without a traditional bank account. They also simplify cross-border transactions, which have historically been slow and costly due to fragmented regional financial networks. Despite strong growth, challenges such as inconsistent internet connectivity and varying regulatory frameworks across countries continue to shape how these technologies are developed and deployed.

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ProgrammingHacker News ·

ClickHouse Releases WAL-RUS, a Rust-Based PostgreSQL Backup Tool

ClickHouse has developed WAL-RUS, a rewrite of the popular WAL-G PostgreSQL backup utility built using the Rust programming language. The project aims to bring Rust's performance and memory safety benefits to PostgreSQL write-ahead log backup workflows. WAL-RUS is positioned as a modern alternative to WAL-G, which was originally written in Go. The announcement was shared on ClickHouse's official blog and drew early attention from the Hacker News developer community.

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ProgrammingHacker News ·

Researchers Publish Detailed Study on Apple Neural Engine Architecture and Performance

A research paper examining Apple's Neural Engine (ANE) has been published on arXiv, covering its architecture, programming model, and performance characteristics. The study provides a technical deep-dive into the dedicated machine learning accelerator chip that Apple integrates into its devices. The paper has gained notable attention in the developer community, accumulating 138 points and 19 comments on Hacker News. The research is significant as Apple's Neural Engine has remained relatively opaque, and such analysis helps developers better understand and optimize for the hardware.

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IndiaTimes of India ·

Vengsarkar urges Sooryavanshi to follow Tendulkar's discipline for bright future

Former India captain Dilip Vengsarkar has expressed strong confidence in teenage batting prodigy Vaibhav Sooryavanshi's international prospects. Vengsarkar urged the youngster to model his approach on Sachin Tendulkar's discipline and dedication. Sooryavanshi's impressive performances in the IPL have drawn widespread comparisons to the batting legend. Although he is yet to make his international debut, Vengsarkar believes the young batter has the potential to make the most of his opportunities. However, the former captain noted that Sooryavanshi's ability at the Test level is still to be assessed.

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IndiaTimes of India ·

US Strikes Iran Again After Second Ceasefire Violation Near Strait of Hormuz

The United States launched a new round of strikes against Iran, accusing Tehran of breaching a ceasefire for the second consecutive day. The latest violation involved an Iranian attack on a commercial oil tanker near the Strait of Hormuz. The US action follows earlier retaliatory strikes in response to a drone attack on a separate vessel. Iran has threatened a practical response to the US military actions, further heightening tensions in the region. The escalation comes despite ongoing diplomatic efforts aimed at stabilizing the situation.

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ProgrammingDEV Community ·

Developer builds runtime MCP security scanner after static tools missed his own access-control bug

A developer discovered a critical access-control flaw in Warden, his own role-based governance layer for MCP servers, where support-role users could infer hidden billing data by using restricted fields as query filters. Standard MCP security scanners failed to detect the vulnerability because they only analyze static tool manifests, not live server behavior. To address this gap, he built Siege, a runtime scanner that connects to a live MCP server as different user identities and compares what each role can access. Siege uses a differential approach, learning the full schema from the most-permissive identity and probing restricted roles for discrepancies, without relying on hardcoded field names or roles. The tool independently surfaced four classes of authorization vulnerabilities, including filter leaks, row-scope escalation, ID enumeration, and forbidden-resource reads.

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WorldBBC World ·

Millie Bobby Brown and Louis Partridge Discuss Bond Behind Enola Holmes Series

Actress Millie Bobby Brown spoke with the BBC about her deep involvement in the Enola Holmes detective adventure series. Brown described having her 'hands and heart' fully invested in the project, suggesting a strong creative role beyond just acting. She was joined in conversation by co-star Louis Partridge, with the two discussing their on-screen chemistry and sibling-like dynamic. The pair also touched on the lighter, humorous moments they shared while working together on the series.

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TechnologyBBC Tech ·

AI Costs Cited as Tech Giants Raise Prices on Consoles and Devices

Major technology companies are attributing rising artificial intelligence costs as a key reason for significant price increases on popular consumer devices. Products affected include Microsoft's Xbox consoles, Nintendo's Switch 2, and Valve's Steam Deck, among others. The price hikes have emerged over recent months across multiple hardware categories. Tech firms appear to be using AI investment and infrastructure demands as justification for passing higher costs on to consumers.

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WorldBBC World ·

Kim Jong Un's mother kept secret to protect North Korea's regime legitimacy

North Korean leader Kim Jong Un rarely, if ever, acknowledges his mother in public. Her identity and background remain largely unknown to the general North Korean population. The secrecy stems from concerns that her controversial bloodline could undermine the legitimacy of the ruling regime. Revealing her origins is considered a political risk that the North Korean leadership is unwilling to take.

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ProgrammingDEV Community ·

React 19 Forces Teams to Rethink ESLint Rules Around Unstable APIs

The release of React 19 has introduced friction for development teams by flagging previously accepted coding patterns as deprecated or unstable through ESLint warnings. React classifies its APIs into three maturity tiers — core, experimental, and deprecated — with experimental APIs carrying an 'unstable' label and emitting console warnings in development builds. ESLint plugins surface these warnings as lint errors for hooks like useOptimistic and useActionState, prompting teams to decide whether to update code, suppress warnings, or wait for the ecosystem to stabilize. Unstable APIs do not affect production bundle size or runtime performance, as the warnings only appear in development mode. Experts suggest that strategic, selective rule adoption — rather than wholesale configuration changes — leads to smoother React 19 migrations, especially in large codebases.

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ProgrammingHacker News ·

Codeberg Experiences Outage, Service Unavailable

Codeberg, a nonprofit Git hosting platform, went down and became inaccessible to users. The outage was reported via the official Codeberg status account on the Mastodon-based social platform hosted by Anoxinon. No details were provided regarding the cause of the disruption or an estimated time for restoration. The incident was noted by the tech community on Hacker News, though discussion remained minimal at the time of reporting.

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ProgrammingDEV Community ·

Developer Builds AI Governance Framework for Farm Management SaaS Using AWS and PostgreSQL

A developer participating in the H0: Hack the Zero Stack hackathon built FarmOps Desk, a B2B SaaS platform for farm operations that embeds AI governance directly into its database schema. The system uses Amazon Aurora, pgvector, and AWS Bedrock to handle AI-generated financial records, livestock medical notes, and operational tasks on behalf of paying customers. Rather than treating AI as a stateless add-on, the architecture enforces accountability at the database level through dedicated tables tracking every model invocation, credit usage, draft outputs, and tenant boundaries. Two core patterns underpin the design: atomic credit reservation to prevent race conditions in concurrent AI requests, and per-farm autonomy tiers that control how much the AI can act without human approval. The approach ensures that even if application-level bugs occur, the database schema itself prevents critical failures such as negative credit balances or cross-tenant data leaks.

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ProgrammingDEV Community ·

Build 1:1 Video Calls in ~180 Lines of Backend Code for $0.20 Per Session

A software developer has shared a method to build a 1:1 video calling service using AWS Chime SDK, FastAPI, SQLAlchemy, and a React client in approximately 180 lines of backend code. The approach avoids both expensive per-seat video SaaS products and the complexity of building raw WebRTC infrastructure from scratch. Cost is estimated at roughly $0.20 per 60-minute session, calculated at $0.0017 per attendee-minute with two participants. A key design feature is a scheduled 'reaper' worker that automatically ends meetings after 60 minutes, preventing runaway charges from forgotten open sessions. The server handles only meeting creation, token issuance, and access control, while the managed SDK handles all media routing, TURN, and recording pipelines.

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ProgrammingHacker News ·

Walter S. Arnold: A Stone Carver Showcasing Traditional Sculpture Online

Walter S. Arnold is a professional sculptor and stone carver who maintains an online presence at stonecarver.com. The website appears to serve as a portfolio or professional showcase for his work in the field of stone carving and sculpture. The link was shared on Hacker News, attracting minimal engagement with 4 points and 1 comment. Stone carving is a traditional craft that involves shaping and sculpting stone into artistic or architectural forms. Arnold's site represents one of many artisan portfolios shared within online communities interested in craftsmanship and traditional arts.

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ProgrammingDEV Community ·

Developer Builds FoilSuite, a Local-First Browser and IoT Security Toolkit

A developer and PhD researcher at Singidunum University has released FoilSuite, an open-source security toolkit designed to operate entirely without sending user data to external servers. The suite includes FoilGuard, a Chrome extension that detects phishing, typosquatting, and Unicode impersonation attacks using on-device logic only. A companion tool, FoilVault, functions as a zero-knowledge password manager that blocks autofill if the current domain is flagged as suspicious. The third component, FoilLab, is a weekly challenge platform offering hands-on exercises in network analysis, IoT firmware reverse engineering, and log forensics. The project stems from the creator's research into decentralized, tamper-resistant communication for constrained IoT devices and aims to challenge the norm of relying on cloud infrastructure for security decisions.

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ProgrammingDEV Community ·

Developer Builds 340MB Portable AI Agent That Runs From a USB Stick

A developer has created a self-contained AI agent package of just 340MB that can run on any x86_64 Linux machine without requiring system dependencies. The setup, called Norax, bundles a standalone Python environment, a CPU-only Ollama binary, and a memory database into a single directory. GPU libraries were stripped to keep the package lightweight, saving around 5GB of space, while relative paths ensure it works from any mount point. The AI model is downloaded on first run, and memory persists across sessions. The project demonstrates that a fully functional AI agent runtime with tools and an HTTP API can be made genuinely portable today.

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