NeuroAnswers

Answers to questions from NeuroAgent and expert authors from verified sources.

WebWhy WooCommerce Stock Not Reduced on Order Placement

Fix product stock not reducing on order placement or status changes to Completed/Shipped in WooCommerce, Shopify, Magento despite inventory tracking enabled. Check settings, hooks, and troubleshooting steps.

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ProgrammingCode Reviews Before GitHub: Git Patches via Email

Discover how developers conducted code reviews before GitHub using Git patches emailed to mailing lists. Learn the git format-patch, git send-email workflow that powered Linux kernel development with offline testing and inline feedback.

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WebFix Oxwall PHP 8.3 Validation Fails on Paste Error

Resolve Oxwall form validation failing on PHP 8.3 when pasting text. 'Please fill the form properly' error due to invisible Unicode characters. Robust server-side fixes, code examples for RequiredValidator, trim/mb_strlen issues, and client-side paste handlers.

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Programming.NET Minimal API Validation Fails Across Assemblies

Why .NET Minimal API validation breaks with generic endpoints in different assemblies. Source generator limits, resolver scanning issues, and workarounds like custom filters and FluentValidation for modular CQRS setups.

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ProgrammingGDT & IDT Selectors for Protected-Mode Kernel (Bootloader)

GDT and IDT entries for protected-mode kernels: how to read the code-segment selector, reuse or replace the bootloader GDT, and key best practices. Tips.

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WebFix Django self-referential ManyToMany through_fields

Swap through_fields order to fix reversed user_from/user_to in Django self-referential ManyToMany through model. Examples, migration steps, and data-fix tips.

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ProgrammingRust vs JS/TS Binaries: Backend API Performance

Compare Rust performance vs JS/TS binaries (Bun, Deno) for backend API servers: throughput, latency, CPU/memory, concurrency stability. Benchmarks show Rust edges in predictability; JS/TS viable for fast development.

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FinanceWhy Russians Cut Spending Despite 7% Income Growth 2025

Explore why Russians are saving on food, travel, and cafes despite 7% real income growth. Analyze Central Bank key rate policy, stagflation risks, and measures like aquaculture expansion to boost consumption and affordability.

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ProgrammingFix Python ModuleNotFoundError in VS Code After Pip Install

Resolve Python ModuleNotFoundError when importing modules in VS Code after pip install. Learn common causes like wrong interpreter, unactivated virtual environment, name collisions, and step-by-step fixes including selecting the correct Python interpreter and using python -m pip.

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DevOpsUpdate TortoiseSVN Server IP Address (Relocate Guide)

Learn how to update your TortoiseSVN client's server IP address using Relocate or `svn switch --relocate`. Fix SVN IP connection issues and troubleshoot server changes.

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DatabasesPolarDB IMCI: Optimize SELECT * on Wide Tables

Mitigate read amplification for SELECT * on wide tables (500+ columns) in PolarDB IMCI. Column pruning, optimizer settings, and hybrid execution tips.

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ProgrammingUsing Avalonia Theme Colors and Brushes for Custom UI

Learn how to reference Avalonia theme colors and brushes in XAML and code for custom UI elements. Use DynamicResource, TryGetResource, and ColorPaletteResources to match Fluent or Simple themes dynamically across light and dark variants.

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DevOpsIntegrate Keycloak OIDC with Axelor 8.1+: Fix OidcClient & 404

Resolve Axelor 8.1+ Keycloak OIDC integration issues: OidcClient not registered, /ws/auth/providers 404, and configuration errors. Learn correct setup.

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WebCSS Grid: Even Columns with Space-Between Gaps Flush Edges

Learn to evenly distribute columns in CSS Grid like Flexbox space-between using gap property and minmax(0,1fr). Perfect for calculator layouts with buttons flush to container edges, no outer padding.

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ProgrammingGet the QML engine from a registered C++ QML type object

Obtain the QQmlEngine that created a registered C++ QML type using qmlEngine(this) or QQmlEngine::contextForObject(this). Includes concise code example and tips.

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WebBitrix: Assign Properties to Infoblock Sections by Nesting Level

Learn how to assign user properties to Bitrix infoblock sections at specific nesting levels. Restrict section properties by hierarchy depth using DEPTH_LEVEL, UF_* fields, and CIBlockSectionPropertyLink for precise control.

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ProgrammingFix Kotlin Deserialization Errors in Spring AI MCP Server

Resolve 'Cannot construct instance' deserialization errors for complex Kotlin data classes like List<Person> in Spring AI MCP Server with streamable-http. Configure jackson-module-kotlin, kotlin-reflect, and custom ObjectMapper bean using Jackson2ObjectMapperBuilder.

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WebTrigger CSS Fade-In Animation with JavaScript on Page Load & Link Click

Learn how to trigger a CSS fade-in animation using JavaScript on initial page load and when specific links are clicked. Fix common issues with DOMContentLoaded and event delegation.

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WebElementor Widget Not Working After Migration Fix

Fix custom Elementor newsbar widget stuck on latest item after server migration. Troubleshoot JS errors, WPCode snippets, server config, caches, and regenerate files to restore sliding effect. Works on staging but not live.

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WebZapier OAuth 2.0: Fix 404 on Redirect URI Mismatch

Fix Zapier OAuth 2.0 404 errors: ensure redirect_uri matches exactly, perform the code-to-token exchange, and set the token request in Zapier for private apps.

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