New
Recent questions on different topics.
Don't return cleanup from useEffectEvent. Keep lifecycle cleanup inside useEffect; useEffectEvent should be for stable event logic to avoid stale closures.
Fix 'unresolved reference: streak' error in discord.py roulette command. Implement per-user streak tracking with streak.json: reset on hit, increment on miss. Load, update, save for persistence in Discord bots.
Fix QTextEdit overlap with Android keyboard in Qt: use android:windowSoftInputMode=adjustPan and QInputMethod::keyboardRectangle to keep widgets visible.
Learn microservices patterns to combine Order and Payment in a single service using modular monolith, bounded contexts, ports-and-adapters, and saga patterns for clean boundaries and easy future extraction into independent microservices.
Fix password hasher injection in Zenstruck Foundry tests: register UserFactory as a service and fetch it from the Symfony test container to enable hasher DI.
Discover why cat emojis look creepy on iPhone but cute on Android. Unicode standardizes code points, but Apple and Google designs differ in eyes, shading, and proportions for unique vibes in iPhone emoji and Android emoji.
Decide whether to quit or finish a TV series (OSD S3). Follow episode rules, quick re-engagement tips, or closure options to save time and avoid guilt.
Benefits of dotnet user secrets over a gitignored appsettings.Development.json: security, per-developer scope, tooling, env var comparison, and local secrets best practices.
Chromium WebSocket handshake timeouts on Ubuntu 22.04: 'websocket connection failed' or 'opening handshake timed out' in Chrome/Brave, works in Firefox. Causes HTTP/2 Extended CONNECT (RFC 8441), IPv6, systemd-resolved. Diagnose with chrome-net-export, fixes included.
How the Linux kernel build system uses built-in.a and KBUILD_VMLINUX_LIBS to link object files into vmlinux, and how built-in drivers differ from modules.
Master iptables rules for WireGuard wg0: drop all incoming packets except UDP port 51821. Why ACCEPT+DROP beats single negated rule. Avoid pitfalls like negation logic, rule ordering, connection tracking, INPUT vs FORWARD chains.
Learn how to update text in JavaScript based on clicked button using forEach index, data attributes, or event delegation. Fix arr[element] errors with clean onclick handlers, code examples for dynamic text swaps without classes.
Fix HTML form POST failures to Google Apps Script web apps after June 2025. Redeploy the web app, reauthorize scopes, update /exec URL, and avoid CORS preflight.
Comprehensive list of safe-to-disable Windows 11 services and scheduled tasks for optimization. Includes PowerShell scripts like win11-optimizer, manual guides, and risks. Boost CPU, RAM, and speed for gaming.
Step-by-step guide to backup and transfer enabled/disabled states of Windows services and Task Scheduler tasks between Windows 11 systems. Use PowerShell, registry exports, schtasks for safe migration with scripts and verification.
Resolve C++ 'undefined reference to' errors when one .cpp file can't access functions from another. Learn header declarations, proper linking with g++, makefiles, IDE setup, and common pitfalls for multi-file compilation.
Step-by-step guide to set up NTAG213 password protection using Android NFC NfcA. Configure PWD, PACK, AUTH0, ACCESS bytes, perform PWD_AUTH, and test writes with transceive examples and error handling.
Technical guide to instruction and data prefetching on ARM Cortex-M and STM32 ART accelerator. Explains PFU, caches, FLASH_ACR bits, performance, and determinism.