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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.
Why Alternative App Stores Are Gaining Popularity Among Android Power Users
AppWizard
October 10, 2026

Why Alternative App Stores Are Gaining Popularity Among Android Power Users

An alternative app store allows users to access apps and games not available on official platforms like the Google Play Store, including older versions, regional apps, and open-source options. Types of alternative app stores include third-party Android stores, open-source platforms, modified APK stores, regional stores, free app stores, and game-focused stores. Users explore these stores for a broader selection of apps, including those restricted by geography. Alternative app stores can provide apps that Google Play does not, such as regional apps and modified applications. When choosing an alternative app store, users should consider the platform’s reputation, app descriptions, update frequency, security measures, and source verification. Alternative app stores differ from Google Play by offering more flexibility and access to unique content, though security and developer support may vary. Modified apps are altered versions that may offer enhanced features. Alternative app stores are important for overcoming regional barriers and providing ad-free experiences. They host a variety of apps, including multiple versions of a single application, and typically feature user-friendly search functionalities. Comprehensive app information is often available, including version data and permissions. Some stores focus on open-source and independent apps. The legality of using alternative app stores depends on licensing and local laws, and they often feature apps not found on Google Play. Many alternative stores provide multiple app versions, and only reliable ones may offer faster updates.
It's Not Gone: The Feature Android Auto Users Love Is Still There, Google Says
AppWizard
October 10, 2026

It’s Not Gone: The Feature Android Auto Users Love Is Still There, Google Says

The wavy progress bar in Android Auto's music applications has disappeared for some users, leading to speculation about its permanent removal. Google clarified that the squiggly line has not been eliminated, attributing the inconsistency to app developers' ability to customize the progress bar's appearance. Users have observed that the wavy progress bar may appear in the Coolwalk screen but reverts to a standard straight line in full-screen mode. Additionally, any app capable of playing media now utilizes a dedicated card on the Coolwalk screen, allowing users to see song information and playback controls. This feature is live on production devices with the latest updates of Android Auto.
Why Antivirus Flags Game Tools and How to Verify Downloads Safely
Tech Optimizer
October 10, 2026

Why Antivirus Flags Game Tools and How to Verify Downloads Safely

In gaming, tools such as utilities, beta applications, and modding tools are often distributed as APK, IPA, or desktop files, and it is essential to investigate their origin, version, and any security warnings before installation. Antivirus software flags potential threats based on known malicious signatures, behavior patterns, and reputation data. Tools that modify game clients may receive heightened scrutiny, and classifications like “HackTool” or “Riskware” do not definitively indicate a file's functionality. Identical game utilities can exist on various platforms, and a familiar website does not guarantee authenticity. It is crucial to verify the publisher, update date, version, and installation method of a file. The SHA-256 hash verifies file integrity but does not ensure safety from malware. Calculating a file hash can be done using specific commands in Windows, macOS, or Linux. Multi-engine scanning platforms like VirusTotal provide insights, but a lack of detections does not guarantee safety. Even if a file matches its reference hash and raises no alerts, it may still violate online game terms. A pre-installation checklist includes confirming the publisher, checking file types, comparing SHA-256 hashes, reviewing security findings, keeping antivirus protection enabled, and consulting platform rules. A cautious approach integrates source verification, file integrity checks, security assessments, and compliance with platform regulations.
silver Android smartphone
AppWizard
October 10, 2026

Google redesigns the search bar in its Android app

Google has updated the search bar on the home screen of its Android app in version 17.65.17, introducing a new "plus" button for easier access to file uploads and AI tools. The redesigned search bar is slimmer with a white background, a border, and a shadow effect. The plus icon on the left allows users to attach images or files, create visuals with Nano Banana, or switch models in AI Mode, while the microphone and Google Lens icons remain on the right. The two shortcut buttons beneath the search bar now have text labels: "Create" for Nano Banana and "Talk" for Search Live, improving usability. The update is being rolled out broadly, but no specific timeline has been provided for when users in the UAE will receive it. Users need to update the app to version 17.65.17 to access the new search bar, and the plus button does not add new features but provides quicker access to existing ones.
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.
Russian software taught to work more easily with large data arrays
Tech Optimizer
October 10, 2026

Russian software taught to work more easily with large data arrays

Russian Postgres Professional has released an update to Postgres Pro AXE, version 2.0, which allows users to handle analytical data using standard SQL queries instead of specialized stored procedures. This update improves accessibility to analytical data, which is stored in Parquet format and managed through a dedicated metadata catalog. The system is designed for analytical workloads, supporting Online Analytical Processing (OLAP) and hybrid workloads. The first public version of Postgres Pro AXE was launched in January 2026, featuring vectorized analytical queries and compatibility with columnar storage. In the Russian market, alternatives to Postgres Pro AXE include Arenadata DB, optimized for corporate data warehouses, and Arenadata QuickMarts, a clustered columnar DBMS based on ClickHouse for rapid analytics.
Windows 11 annual update is boring, but staying on 24H2 is a security risk
Winsage
October 10, 2026

Windows 11 annual update is boring, but staying on 24H2 is a security risk

Microsoft has released Windows 11 26H2 as a low-disruption update that activates existing features for users who have kept up with monthly updates. Users on version 24H2 should upgrade soon, as support will end on October 13, 2026, and they will no longer receive security patches. The end of support for various Windows 11 versions is as follows: 26H2 on October 9, 2028; 26H1 on March 14, 2028; 25H2 on October 12, 2027; and 24H2 on October 13, 2026. The 26H2 update includes new security features, Start menu customization, and improvements to File Explorer and AI integration. Users must have 24H2 or 25H2 installed to access the update, which may not be available to all devices due to compatibility safeguards. It is recommended to create a System Restore Point before updating.
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