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Designing a Concurrent Donation Ledger With FastAPI and PostgreSQL
Tech Optimizer
October 10, 2026

Designing a Concurrent Donation Ledger With FastAPI and PostgreSQL

Every year, billions of dollars flow through online crowdfunding platforms, leading to donor concerns about the allocation of funds. Traditional crowdfunding applications lack transparency, often leaving funds in unverified balances without real-time auditability or guarantees against double-allocations. GoodCause, a social impact platform, aims to address this issue by creating a system that ensures financial integrity and atomic fund distribution. Its architecture is based on mobile-first delivery, atomic auditability, and strict data isolation, utilizing technologies such as React Native, FastAPI, and PostgreSQL. The platform incorporates a mobile client for cross-platform navigation, a backend API for domain-driven routing, a database with Row-Level Security, and a payment gateway for secure transactions. A significant engineering challenge is preventing race conditions and double-spending in concurrent donation scenarios.
Microsoft Overhauls Windows 11 Search To Control Your PC Faster Than Ever
Winsage
October 10, 2026

Microsoft Overhauls Windows 11 Search To Control Your PC Faster Than Ever

Microsoft has released an update for its Insider Program that includes a revamped Search feature, enhancing user experience with a focus on more informative results and previews. The update integrates advanced capabilities through WinUI 3 and allows users to access quick details without launching files or navigating File Explorer. It introduces web previews for specific queries, such as local weather and stock market data, and includes "inline actions" that enable users to perform tasks directly from the search window, like sending SMS messages or changing themes. Users can explore these features by joining the Windows Insider Program and enabling Feature flags in the settings.
Asus Googlebook 14 Review: For Android, By Android
AppWizard
October 10, 2026

Asus Googlebook 14 Review: For Android, By Android

Googlebook 14 features Googlebook OS, which is based on Android and incorporates elements from ChromeOS, offering a familiar user experience for Android users. The interface resembles that of Android devices, with home screens, quick settings, and app access similar to smartphones. Integration with Android phones allows users to access apps, notifications, and files directly from the laptop. The "Continue On" feature enables users to pin phone apps to the Googlebook taskbar for easy transitions between devices. However, Googlebook OS lacks support for traditional desktop software, limiting the functionality of Android apps available through Google Play. Google is addressing compatibility issues by labeling apps for desktop use in the Play Store. New features like Magic Pointer, Proactive Suggestions, and Rambler are introduced, but the OS still requires significant improvements in app compatibility and desktop interface optimization. Google has faced challenges in developer support for optimizing applications for Googlebook OS.
Be warned: Nivalis Nights may not be the cozy game you expect: 'If you want a cozy existence in this city, you're going to have to earn it'
AppWizard
October 10, 2026

Be warned: Nivalis Nights may not be the cozy game you expect: ‘If you want a cozy existence in this city, you’re going to have to earn it’

Nivalis Nights is a user-generated tag on Steam that is described as a cyberpunk shop/life simulation game, with elements of management and relaxation. However, the game presents an overwhelming volume of quests and notifications, creating a chaotic experience that contrasts with traditional notions of coziness. Lead writer Thomas Welsh acknowledges that the game reflects life in a capitalist society, where players face burdensome debt and bureaucratic challenges. Despite its harsh world, the game includes decorating and management elements, visually stunning graphics, character narratives, and a hint of romance. The initial overwhelm from the quest log and constant notifications contributes to the subjective interpretation of coziness in gaming.
Walmart is selling a Android tablet for only $90
AppWizard
October 10, 2026

Walmart is selling a Android tablet for only $90

The Zonko Android 16 Tablet is currently available at Walmart for under 0 during a limited-time Flash deal, including an accessory bundle. It features a 10-inch display with a resolution of 1280×800 HD, dual speakers, and a dual-camera setup with an 8MP front camera and a 13MP rear camera. The tablet runs on the Android 16 operating system, has 12GB of RAM, and 64GB of storage, expandable up to 512GB. It is equipped with a 6000mAh battery that lasts between 32 to 48 hours, and offers dual-band 2.4G/5G WiFi. The purchase includes a Bluetooth keyboard, mouse, stylus pen, screen protector, protective case, and charger. The device supports Google Mobile Services and comes with parental controls. However, it has received only a few reviews and does not support downloading Apple apps, except for Apple TV or Apple Music.
Steam open-world adventure with Stardew Valley charm is free this weekend
AppWizard
October 10, 2026

Steam open-world adventure with Stardew Valley charm is free this weekend

Developer Pugstorm is offering a free play weekend for its open-world survival game, Core Keeper, on Steam. The game, launched two years ago, allows solo or cooperative play with up to seven friends and features survival tasks like resource harvesting, crafting, and base building. Players can explore diverse biomes, level up skills, and engage in life simulation activities while combating legendary titans. The free play weekend ends at 6 PM BST on October 12, and players' progress will be saved if they decide to purchase the game afterward. Core Keeper is currently available at a 40% discount, priced at £9.59/$.99, down from £15.99/$.99, until October 22. The game has a 'Very Positive' review score of 94% on Steam.
A week with Googlebooks: four notes from our testing so far
AppWizard
October 10, 2026

A week with Googlebooks: four notes from our testing so far

Google has launched five new Googlebook laptops featuring the Googlebook OS, which has received mixed reviews. While the hardware is praised, the software is criticized for being problematic and not a significant upgrade from ChromeOS. Users report issues such as the inability to run Chrome with separate Google accounts, clunky Android apps, and awkward command requirements for messaging apps. The app ecosystem is struggling, with many applications failing to adapt to the Googlebook's interface, resulting in a frustrating user experience. Linux applications face integration challenges, complicating multitasking. Despite some successful features like file transfer and notification responses between Googlebook and Android devices, users experience frequent connectivity issues and sluggish performance.
DBtune autonomous optimization blows PostgreSQL bottlenecks away
Tech Optimizer
October 10, 2026

DBtune autonomous optimization blows PostgreSQL bottlenecks away

DBtune, a startup based in Malmö/Lund, Sweden, was founded in 2020 by Dr. Luigi Nardi as a spin-off from Stanford University and Lund University. The company focuses on enhancing PostgreSQL's capabilities through autonomous database optimization technology and has raised .4 million in a seed round from various investors in July 2023, with support from the Wallenberg Foundation and Vinnova. DBtune's technology utilizes agentic AI for optimizing PostgreSQL databases by tuning server parameters, optimizing indexes, and monitoring autovacuum processes. The release of DBtune version 4.0 incorporates machine learning and AI to dynamically adjust server parameters and suggest optimal indexing strategies. The platform identifies and ranks potential index opportunities based on workload and provides recommendations for new indexes and maintenance of existing ones. A case study with Midwest Tape demonstrated a 10.8x performance improvement in database query runtime after employing DBtune for performance tuning. Benchmarking tests showed a transaction throughput increase of 87% during initial optimization, with a further 17% improvement on an already optimized system. Disk I/O activity was reduced by 43%, and WAL generation decreased by 23%. Dr. Nardi emphasizes the need for AI-driven optimization to manage the complexities of PostgreSQL databases and rising cloud costs, suggesting that significant code adaptations will be necessary for achieving fully autonomous PostgreSQL.
How Telangana’s MeeSeva migration to open source could make governments rethink software costs
Tech Optimizer
October 10, 2026

How Telangana’s MeeSeva migration to open source could make governments rethink software costs

In April 2026, Telangana's MeeSeva platform migrated from the Oracle database to the open-source PostgreSQL database after 15 years of reliance on Oracle. This transition aimed to reduce annual costs of approximately ₹10 crore associated with Oracle licensing and maintenance. The initiative began in 2023, and the migration was executed with less than four hours of downtime, processing around 80,000 transactions daily. The migration involved over 85 microservices, three Oracle servers, and 1,939 tables, with the process automated by the Ora2Pg tool, which handled 60-70% of the transition. The migration cost was below ₹10 lakh, and after the switch, MeeSeva processed nearly 200 million transactions without data loss. The new architecture includes automatic failover capabilities to minimize disruption.
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