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ProgrammingDEV Community ·

EchoAid Uses AI Voices and Solana to Fund Student Tech Access Globally

EchoAid is a mutual aid platform built to address the global "AI divide" by helping student labs and grassroots communities raise funds for hardware and computing infrastructure. The platform was developed as part of an International Day of Charity Hackathon and is live on Vercel. It uses ElevenLabs APIs to convert text-based funding requests into realistic AI-generated voice narratives, making campaigns more engaging for potential donors. Donations are processed as micro-grants on the Solana blockchain, enabling near-zero-fee transactions with on-chain transparency. The project is built on Next.js, TypeScript, and Tailwind CSS, with planned features including speech-to-text campaign creation and Solana-based digital collectibles for donors.

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IndiaTimes of India ·

US adds 162,000 jobs in August as AI cuts tech roles but manufacturing rebounds

American employers added 162,000 jobs in August, surpassing market expectations. The technology sector, however, shed 23,000 positions as artificial intelligence continues to reshape the industry's workforce needs. Industrial manufacturing offered a partial counterbalance, recovering 16,000 jobs after previous losses. The overall unemployment rate remained steady at 4%, suggesting broader labor market stability. The data highlights a shifting jobs landscape where AI-driven automation displaces tech workers while chip and manufacturing facilities generate new roles.

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ProgrammingDEV Community ·

How to implement cross-platform file locking in Python without extra dependencies

Concurrent writes from multiple processes to the same file can cause data corruption, making inter-process file locking a necessary safeguard. Python's standard library offers two incompatible APIs for this: fcntl on Unix-like systems and msvcrt on Windows, requiring platform-specific handling. On Unix, fcntl.flock() applies an advisory lock on the entire file, while Windows' msvcrt.locking() locks an explicit byte range within a file. Developers can unify both approaches in a single codebase using a sys.platform branch, importing each module only within its relevant code path to avoid import errors on the other platform. This technique eliminates the need for third-party packages like filelock, which is particularly useful when minimizing dependencies in desktop app distributions built with tools like PyInstaller.

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IndiaNDTV ·

Markets Set for Flat Open as Crude Nears $100 on Hormuz Tensions

Indian stock markets were expected to open on a flat note amid rising global uncertainty. Crude oil prices approached the $100 mark following military strikes involving the US and Iran in the Strait of Hormuz. The attacks targeted oil vessels in one of the world's most critical energy supply routes. Escalating tensions in the region have rattled global energy markets, adding pressure on import-dependent economies like India.

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IndiaTimes of India ·

Maharashtra Homeopaths Shift to Allopathy Amid Rural Doctor Shortage

Homeopathic practitioners in Maharashtra are turning to modern medicine after obtaining pharmacology certificates, driven by job insecurity and limited opportunities. A shortage of qualified MBBS doctors in several areas has left communities relying on these alternative practitioners for basic healthcare. Locals often prefer them due to lower costs and easier accessibility compared to conventional medical services. These practitioners are reportedly dispensing allopathic medicines to treat a range of common ailments. Health experts argue that more structured and rigorous training programs could help channel their existing skills more effectively within the system.

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IndiaTimes of India ·

Motilal Oswal Picks CG Power and Adani Power as Top Buys for Sept 7 Week

Motilal Oswal Wealth Management Research Desk has released its stock recommendations for the week beginning September 7, 2026. The brokerage has highlighted two stocks as its top picks for the period. CG Power and Industrial Solutions is among the recommended buys for the week. Adani Power is the second stock flagged by the research desk for potential investment. Investors are advised to review these recommendations in the context of their own financial goals and risk appetite.

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ProgrammingDEV Community ·

Go Team Ditches Swagger UI for Scalar to Fix Broken API Docs on Staging

A backend engineering team switched from Swagger UI to Scalar after discovering their API documentation was outdated and misconfigured, sending test requests to localhost instead of the correct staging server. The core problem stemmed from Swagger's annotation-based approach, where Go struct refactors often left magic comments out of sync, causing misleading documentation. Swagger UI's aging interface also made testing JWT-authenticated endpoints and navigating large API surfaces cumbersome for both developers and QA. The team consolidated all API contracts into a single openapi.yaml file and used Scalar's relative server URL configuration, which automatically targets whichever host is serving the docs page. The switch eliminated environment-specific URL mismatches, removed a heavy npm build step from CI, and simplified static asset embedding in the Go binary.

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ProgrammingDEV Community ·

Limn Engine Roadmap Offers Beginners a Structured Path to JavaScript Game Dev

A developer who built Limn Engine, a lightweight 2D game engine aimed at beginners, has published a structured learning roadmap for aspiring game developers. The guide requires no prior programming experience and only a computer, web browser, and code editor to get started. The roadmap is divided into five phases, beginning with JavaScript fundamentals and progressing through engine setup, game object creation, building complete games, and performance optimization. The author argues that the primary barrier to game development for beginners is not the engine itself but understanding the underlying programming language. The full roadmap is estimated to take several weeks to complete, with the final phase described as an ongoing process.

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ProgrammingDEV Community ·

Fetch API, WebSockets, and Service Workers: How They Power Modern Web Apps

Three core browser APIs — the Fetch API, WebSockets, and Service Workers — form the backbone of modern, interactive web applications. The Fetch API offers a promise-based approach to making HTTP network requests, replacing the older XMLHttpRequest with a cleaner, more flexible interface. WebSockets establish a persistent, two-way communication channel over a single TCP connection, making them ideal for real-time use cases such as chat apps, live data feeds, and multiplayer gaming. Service Workers run as background scripts separate from the web page, enabling offline caching, push notifications, and background data synchronization. Together, these APIs allow developers to build Progressive Web Apps that are faster, more reliable, and capable of functioning even with limited or no network connectivity.

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IndiaTimes of India ·

Satwik-Chirag win China Masters Super 750, eye Asian Games title defence

Indian badminton pair Satwiksairaj Rankireddy and Chirag Shetty claimed the China Masters BWF Super 750 title after a hard-fought final. They defeated Chinese duo He Ji Ting and Ren Xiang Yu in what proved to be a closely contested match. The Indian pair overcame a slow start, relying on tactical adaptability to turn the contest in their favour. The victory is expected to boost their confidence heading into the upcoming Asian Games. Satwik and Chirag will look to defend their Asian Games title on the back of this significant win.

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WorldBBC World ·

China injects $54bn into state banks and insurers to strengthen economy

China has announced plans to inject approximately $54 billion into its state-owned banks and insurance companies. The move is part of Beijing's broader effort to reshape and stabilize its national economy. The country is currently navigating a range of economic challenges that have prompted government intervention. By bolstering key financial institutions, authorities aim to improve the resilience and performance of China's financial sector.

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IndiaNDTV ·

How Fake UPI Glitch Scams Use Malicious Apps to Steal Your Money

A new UPI-based scam tricks users by simulating a frozen or glitched payment screen to create confusion during transactions. Fraudsters use this distraction to install malicious applications on victims' devices. Once installed, these apps exploit accessibility, notification, and other system permissions to monitor user activity. They can intercept OTPs, giving scammers access to banking credentials and accounts. Users are advised to be cautious about granting app permissions and to verify all UPI transactions independently.

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ProgrammingDEV Community ·

Developer Launches Real-Time Train Tracker for Pakistan Railways

A developer has built Pakistan Live Train Tracker, a web platform providing real-time train status updates across Pakistan Railways. The tool offers live delay and arrival tracking, along with route and schedule lookup features. It is designed to be mobile-friendly for travelers commuting between cities. The platform is built using Python, FastAPI, React, and TypeScript, with PostgreSQL and Redis for data storage and AWS and Cloudflare for infrastructure. It is currently live at trains.metro-status.com.

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ProgrammingDEV Community ·

Ethereum sandwich attacks can now be proven on-chain using Creditcoin's index41

Ethereum transaction receipts record block number, gas used, and logs, but do not store a transaction's position within a block, making it impossible to cryptographically prove the order transactions executed. This gap allows sandwich attacks — where a searcher places trades around a victim's swap — to be observable yet legally unprovable on-chain. A new smart contract called index41, deployed on Creditcoin, addresses this by leveraging Creditcoin's Attestcoin Protocol to verify Ethereum transaction inclusion via Merkle proofs and derive transaction order from proof geometry. By reading the left-or-right child flags at each step of a Merkle authentication path, the contract reconstructs a transaction's index within the block without that index ever being explicitly stored. When a sandwich is proven, index41 can compensate the victim from a bond, turning an observable but unverifiable event into an enforceable on-chain claim.

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ProgrammingDEV Community ·

How .NET 10 and Apache Kafka Power Resilient Fintech Microservices

A technical guide published on DEV Community outlines how fintech systems can overcome synchronous architecture bottlenecks using event-driven design with Apache Kafka and .NET 10. Traditional tightly coupled service communication in fintech creates risks including cascading failures, thread pool exhaustion, and transactional inconsistency during high-traffic periods. The proposed solution decouples services by publishing financial events — such as credit application submissions — to Kafka topics, allowing downstream services like risk, compliance, and notifications to process them asynchronously. This approach ensures data durability and system availability even when individual services experience latency or downtime. The article also provides concrete implementation code, including an idempotent Kafka producer configured to await acknowledgment from all in-sync replicas before confirming message delivery.

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ProgrammingDEV Community ·

Developer builds no-code browser testing tool after repeated failures with recorded tests

A developer frustrated by constantly breaking recorded UI tests built CueCast, a no-code web testing tool designed to address the core weaknesses of existing record-and-replay tools. The tool captures multiple locators per element instead of one, reducing test failures caused by minor UI changes. It drives the browser via Chrome DevTools Protocol rather than injecting JavaScript events, making interactions more realistic. When a test fails, CueCast automatically provides a screenshot and contextual evidence to help diagnose whether the issue is a genuine bug or a UI change. The tool is available at icuecast.ai and remains a work in progress, with virtualized list elements cited as a known limitation.

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