NeuroAnswers

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

ProgrammingMarkov Chain Expected Payoff: Exact DP Solution

Compute the exact expected total payoff at stopping time using finite-state Markov chain and dynamic programming. Includes minimal state space, recurrence equations, backward substitution, and Python code for precise fraction.

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SocietyWhy Russians Support Putin and Americans Reject Trump

Compare why many Russians support Putin while many Americans oppose Trump: history, institutions, media, social identity, rally effects and poll evidence.

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ProgrammingC Floating-Point == Comparison Accuracy with 0.1 Steps

Learn why C's == operator fails for floating-point numbers like 0.1 increments due to binary precision. Use epsilon comparison, rounding, fixed-point scaling, and GSL for reliable equality checks and numerical solving.

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Mobile DevStoreKit Restore Purchases: Restore Lifetime App Access

StoreKit restore won't detect legacy App Store lifetime purchases. Validate receipts or use StoreKit 2/AppTransaction to preserve lifetime access securely.

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ProgrammingPrint Name in C: Alternatives to printf (putchar, puts)

Discover alternative ways to print your name in C without printf: putchar loops, puts/fputs, write calls, ASCII codes, macros. Fix common issues, pros/cons, and beginner tips for print c and output in c basics.

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ProgrammingOracle APEX: Trigger Dynamic Action on Shuttle Close

Learn how to trigger a dynamic action in Oracle APEX when closing a shuttle dialog with selected values. Use apexafterclosedialog event, JavaScript condition for oracle apex item, and refresh interactive grids seamlessly.

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DevOpsFix cURL Error 60 SSL Certificate in Docker Debian

Resolve cURL error 60: SSL certificate problem in Docker Debian Bullseye. Update CA certificates, upgrade base image, or fix trust store for Laravel Guzzle HTTPS APIs securely.

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DevOpsAWS Glue BigQuery Connection Go SDK v2: Fix SparkProperties & secretId

Fix InvalidInputException when creating AWS Glue native BigQuery connection with Go SDK v2. Configure SparkProperties JSON with secretId for Secrets Manager GCP credentials correctly.

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WebCSS Text Background Color: Make Overlay Text Readable

Mix-blend-mode: difference with isolation makes css text background color readable across color intervals. For per-char precision, use JS canvas pixel sampling.

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ProgrammingCLion 2025.3 Zephyr RTOS Setup: Fix CMake DTS Error

Fix CMake error 'file COPY_FILE failed to copy zephyr.dts.new' in CLion 2025.3 for Zephyr RTOS projects. Configure west build, CMake toolchain, ZEPHYR_BASE, and board options for STM32. Step-by-step guide with exact commands.

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OSMacBook Trackpad on Windows 11: Xiaomi Redmibook 3-Finger Drag

Replicate MacBook Air M1 trackpad on Xiaomi Redmibook Pro 16 Windows 11: enable two-finger text selection and three-finger drag without double-tapping using Precision Touchpad, Xiaomi drivers, and ThreeFingerDragOnWindows tool.

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WebFix 'Your City?' Popup in Bitrix ASPRO Premier 1.8.0

Restore 'Your city?' popup for IP city detection in Bitrix ASPRO Premier 1.8.0. Fix after init.php deletion or template update: recreate init.php, configure Sypex Geo handler, check templates, clear caches.

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HardwareWhy HWiNFO64 Shows 2000 MHz for XMP DDR4-4000 RAM Explained

HWiNFO64 shows the DRAM base clock (2000 MHz) when XMP PC-4000 is active; double that value to get DDR4-4000 (4000 MT/s). See DRAM Frequency in HWiNFO64 sensors.

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OSHow to Set Up Cold Backup on Two Disks Without RAID

Learn reliable cold backup methods for two local disks avoiding RAID pitfalls. Use AOMEI Backupper, Handy Backup, FreeFileSync, or Robocopy for disk mirroring, cloning, and offline rotation with verification tips.

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Mobile DevAndroid NDK arm64 16KB Page Alignment: Fix & Verify

Step-by-step guide to find, diagnose and fix libsc-native-lib.so 16KB page-size alignment for arm64-v8a. Tools, linker flags, packaging, CI checks and NDK r28+

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WebAngular @for Whitespace Nodes with preserveWhitespaces

Why Angular @for adds whitespace text nodes like ng-container *ngFor when preserveWhitespaces: true? Understand the behavior, equivalence to *ngFor, and fixes like ngPreserveWhitespaces or CSS flex without global changes.

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Mobile DevSet Metal Compiler Flags in Swift Package.swift

Learn why Swift Package Manager can't set Other Metal Compiler Flags directly in Package.swift and how to enable -fmetal-enable-logging using MetalCompilerPlugin, debug.metallib, and alternatives for Metal shaders.

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GadgetsFix Facebook Password Reset Loop, Auto-Login & Untrusted Device

Step-by-step fixes for Facebook password reset loop in Account Center, auto-login after logout, and untrusted device error on Android/iPhone. Clear cache, browser data, log out sessions, enable 2FA.

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GamingFix GTA 5 Legacy Story Mode Crash to Rockstar Launcher

GTA 5 Legacy crashes to Rockstar Launcher on Story Mode? Troubleshoot mods like skip logo, corrupted files, overlays, drivers. Step-by-step fixes: repair launcher, clean boot, DDU, and contact support for PC gaming issues.

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GamingWhy Lapis Lazuli Ore Spawns Near Surface in Bedrock

Discover why lapis lazuli ore generates as close as 5 blocks from the surface in Minecraft Bedrock Edition. Learn ore generation rules, Y-level ranges (-32 to +32), cave exposure, and why it's expected behavior, not a bug.

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