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A practical guide to cost optimization with Lakebase Postgres
Tech Optimizer
October 11, 2026

A practical guide to cost optimization with Lakebase Postgres

Lakebase is a fully managed Postgres database designed for modern application development, featuring an architecture that separates storage and compute with a serverless compute layer. This design allows for cost efficiencies through various mechanisms: 1. **Branching**: Developers can create isolated environments for development, testing, or experimentation without duplicating storage costs, as branches share the same underlying storage. 2. **Autoscaling**: Lakebase adjusts compute resources based on activity levels, allowing users to pay only for the compute they use. It can scale down during low activity and can be suspended entirely after inactivity, reducing costs to zero. 3. **Read Replicas and High Availability**: The separation of storage and compute allows for adding read replicas and high availability without incurring additional storage costs, as these instances utilize the same storage layer. 4. **Synced Tables**: Integration with the Databricks Intelligence Platform enables efficient data syncing, allowing users to sync only the necessary working set of data, which helps avoid unnecessary storage and sync costs. 5. **Sync Modes**: There are three sync modes (Snapshot, Triggered, Continuous) for transferring data from the Lakehouse to Lakebase, each with different cost implications based on data freshness requirements. 6. **Right-sizing Compute**: Users can set the initial compute range during project provisioning to avoid over-provisioning and unnecessary costs. 7. **Monitoring and Metrics**: The Lakebase Metrics dashboard provides insights into working set size and cache utilization, helping users optimize their compute sizing and performance. 8. **Point-in-Time Restore (PITR) and Snapshots**: PITR maintains history for recovery within a configurable window, while snapshots offer discrete recovery points. Both are priced lower than standard storage, making them cost-effective options for data recovery. Lakebase costs are categorized into compute, storage, and serverless pipeline compute for syncing data. Compute is measured by CU usage, while storage includes branch storage, PITR history, and snapshot storage, all tracked separately. Users can access detailed usage and cost information through system billing tables.
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.
VPN threat protection vs. dedicated antivirus: Are VPNs really enough?
Tech Optimizer
October 7, 2026

VPN threat protection vs. dedicated antivirus: Are VPNs really enough?

Many VPN providers are now offering additional security features such as malware detection, malicious link checkers, and ad blockers, alongside their primary function of encrypting internet traffic. Notable VPNs like NordVPN and Surfshark have integrated real-time malware protection, with NordVPN becoming the first VPN to receive certification as a reliable anti-phishing tool in 2024. Surfshark's Surfshark One package offers comprehensive real-time protection from viruses and malware. Other VPNs, such as Avira and CyberGhost, utilize shared infrastructures for antivirus capabilities, which can lead to delays in updates and inconsistent platform support. Microsoft Defender has improved significantly, blocking 95.5% of live threats according to AV-Comparatives, while Apple employs multiple defenses in macOS, including Gatekeeper and XProtect, to manage malware threats. Avast Free Antivirus has achieved a perfect 100% block rate in recent testing but comes with limitations compared to paid antivirus suites like Norton 360 Deluxe and Bitdefender Total Security, which offer additional features such as password managers and identity monitoring. A layered approach to digital security, combining a VPN, free antivirus, and built-in OS-level security, is recommended for effective protection. Relying solely on one layer leaves potential gaps, as a VPN cannot detect existing malware, and free antivirus solutions may lack advanced features. Users managing sensitive data or frequent financial transactions should consider investing in premium antivirus suites for enhanced security.
OM SDK sandbox cuts Android ad session start to 11 ms, IAB Tech Lab says
AppWizard
October 5, 2026

OM SDK sandbox cuts Android ad session start to 11 ms, IAB Tech Lab says

IAB Tech Lab has released version 1.6.10 of its Open Measurement SDK for Android, introducing the ability for verification scripts for native ads to run within Android's Jetpack JavaScriptEngine instead of the traditional WebView. This update, effective from October 1, 2026, allows for a significant reduction in verification check initiation time, with the sandbox environment taking approximately 11 milliseconds compared to 268 milliseconds in the WebView. Applications that do not implement this new feature will continue to function as before, and HTML-based ads are not included in this update. The JavaScriptEngine library allows JavaScript evaluation without a WebView, reducing resource consumption and enabling compatibility with background services. The adoption process for this feature involves updating to OM SDK Android 1.6.10 or later, integrating the androidx.javascriptengine dependency, and maintaining the sandbox throughout the app's lifecycle.
Nadella has lost the plot calling Copilot an OS again, it's a web app on Windows 11
Winsage
October 4, 2026

Nadella has lost the plot calling Copilot an OS again, it’s a web app on Windows 11

Satya Nadella has referred to Copilot as a “new OS for work” during a leadership update, following Microsoft's introduction of the latest iteration of Copilot. The new Copilot app, which replaces the previously named Microsoft 365 Copilot, is currently available for users, although some features like Home, Code, and Autopilot are still forthcoming. The app operates as a standard Windows application, specifically a rebranded Microsoft Edge launcher built on a Chromium framework. Nadella reiterated his vision for Copilot in a post dated October 1, emphasizing its role in consolidating various work functions into a single platform. The Copilot app integrates features such as Home, Office applications, and a proactive command center named Today. Currently, the app primarily functions as a chat interface, with significant features yet to be rolled out. The architecture of Copilot relies on a lightweight launcher and a complete Edge build, resulting in high RAM consumption. Microsoft has shifted Copilot’s architecture from a native WinUI version to a web-based wrapper, supported by a secondary component for additional functionalities. Internal documents reveal a vision for a prototype called CopilotOS, indicating a long-standing ambition to create a cohesive workspace.
5 Open-Source Android Apps to Unlock Your Device
AppWizard
October 1, 2026

5 Open-Source Android Apps to Unlock Your Device

Android manufacturers curate devices, often leading to frustration for users who struggle to find specific settings due to the absence of desired features. The open-source community offers tools to enhance device functionality. MT Manager allows deep app modification directly on devices, providing access to app decompiling and editing without needing a desktop. It requires root permissions for its most powerful features and is not available on Google Play. Install with Options enables users to bypass installation restrictions on Android 7.0 and later, allowing the installation of apps outside the Google Play Store by using shell-level privileges or root access. Canta Debloater helps users safely remove carrier bloatware without root access on devices running Android 9.0 and above, using color-coded safety guidance to assist in the uninstallation process. ColorBlendr offers precise control over Material You color palettes on Android 12 and newer, allowing users to customize colors and themes with a live preview function. It requires elevated access via Root, Shizuku, or Wireless ADB. Kvaesitso Launcher replaces the default home screen with a search-centric interface, streamlining app navigation through a unified search bar that handles queries for apps, contacts, files, and calendar events. It is available on GitHub, F-Droid, and IzzyOnDroid.
Microsoft Retires Windows PowerShell Support for Graph SDK
Winsage
September 29, 2026

Microsoft Retires Windows PowerShell Support for Graph SDK

Microsoft is initiating a 12-month retirement period for support of Windows PowerShell 5.1 for the Microsoft Graph PowerShell SDK due to maintenance challenges. Organizations using Graph PowerShell automation on Windows PowerShell 5.1 may face disadvantages, as existing scripts will remain operational but will miss platform-specific bug fixes. Microsoft encourages a transition to PowerShell 7.x, which will be the focus of Graph PowerShell v3.0, set to launch in Q4 2026. During the retirement phase, Graph PowerShell v2.x will remain operational and receive security updates. Transitioning to the new SDK version may require migration planning, script validation, and runtime upgrades, especially for organizations with dependencies on older PowerShell runtimes or outdated components.
Is this Windows 11's new modern cursor? Microsoft quietly shows a redesigned pointer
Winsage
September 11, 2026

Is this Windows 11’s new modern cursor? Microsoft quietly shows a redesigned pointer

Microsoft released Experimental Windows 11 build version 26340.9354, which includes a mock-up of a new Resume hovercard featuring a redesigned mouse pointer. The new pointer has a broader shape, a softer curve on its lower-left side, and a more symmetrical appearance, differing from the traditional thin tail-like extension of Windows cursors. Although Microsoft has not confirmed any changes to the system cursor, the release notes mention a known issue with cursor customization but do not address any redesign. Reports from June indicated that Microsoft was testing a new cursor as part of its Windows 11 modernization initiative. The mock-up resembles a Fluent icon, with a cleaner and wider shape compared to the classic Windows arrow. Despite this, the current developer documentation still refers to the traditional pointer as the "arrow cursor." Windows 11 has modernized many UI elements, but the pointer has remained largely unchanged, with limited customization options. The combination of the recent mock-up and previous reports suggests a potential transformation in the cursor design may be forthcoming.
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