New

Recent questions on different topics.

DevOpsEnable 2FA/MFA in Alfresco 7.4: Keycloak Guide

Learn how to enable Two-Factor Authentication (2FA/MFA) in Alfresco Content Services 7.4 using external IdPs like Keycloak, Azure AD, or Okta. No native support—follow official guides for secure Alfresco authentication via SAML/OIDC.

1 answer 1 view
ProgrammingGraceful Shutdown Epoll Kqueue Go: Unblock Wait

Learn to unblock epoll_wait or kevent for graceful shutdown in Go event loops. Use eventfd, self-pipe like Go runtime and evio. Handle signals, drain connections in epoll server or kqueue setups.

1 answer 1 view
WebFix Gutenberg block JS not updating during npm start

Fix Gutenberg block JS not updating in the editor. Edit src/, keep npm start running, run npm run build if needed, hard-refresh and clear browser/server caches.

1 answer 1 view
Programmingp5.js: Spawn Road Markings & Remove Off-Screen Objects

Spawn multiple road markings in p5.js using an array. Use frameCount to spawn, safely remove off-screen items, and cap the array at 20 for performance.

1 answer 1 view
ProgrammingRust: Compare u16 to #[repr(u16)] Enum Variant

Learn how to compare a u16 value to a #[repr(u16)] Rust enum variant like packet types from devices. Use casting with 'as u16', pattern matching, or TryFrom for idiomatic, safe comparisons without PartialEq errors.

1 answer 1 view
HardwareWemos D1 Mini: Best ESP8266 Board for Beginners (Python)

Compact, affordable Wemos D1 Mini guide for beginners: program ESP8266 with Lua (NodeMCU) or MicroPython, control LEDs, stepper motors and LCDs via WiFi on LiPo.

1 answer 1 view
DevOpsProxmox Cluster: Redundant Ring Network with Corosync

Guide to configure a redundant Proxmox cluster network using Corosync rings on spare NICs. Includes IPs, knet/corosync config, link priorities, and failover testing.

1 answer 1 view
CareerIBA System Admin Course vs Self-Study for Network Engineer

Compare IBA's System Administration course in Minsk vs self-study and CCNA. Assess syllabus relevance, lab hours, vendor cert value, and decision criteria.

1 answer 1 view
WebRecipe Schema Best Practices: WebPage isPartOf (JSON-LD)

Use Recipe schema with isPartOf linked to the WebPage (Option 2). Implement JSON-LD for clean structured data to boost SEO and appear in recipe rich results.

1 answer 1 view
ProgrammingPrettier XML Formatting: Inline/Block Elements & Whitespace

Learn how to format XML with Prettier XML plugin, handling inline vs block elements correctly. Preserve whitespace using xmlWhitespaceSensitivity, prettier-ignore, xml:space, and CI-ready alternatives like xml-formatter or xmllint.

1 answer 1 view
OSWindows 11 CMD Python autorun malware: How to stop it

Why a Python script auto-runs in Windows 11 CMD after extracting a ZIP, why it retries C2 domains/IPs, and practical steps to stop, analyze and block it.

1 answer 4 views
OSStop Malicious Python Script DNS Errors on Windows 11

Fix endless 'Max retries exceeded' DNS resolution errors in Python scripts on Windows 11. Stop auto-launching malware, kill processes via Task Manager, check startup programs, and safely investigate with Defender scans.

1 answer 1 view
ProgrammingSpring WebClient Reactor Netty Proxy Configuration

Make Spring WebClient use a proxy with Reactor Netty: configure the proxy in tcpConfiguration, tune timeouts, and add auth or DNS fixes to avoid proxy timeouts.

1 answer 1 view
ProgrammingFix Inaccurate OpenCV Template Matching in C++ Quickly

Why OpenCV template matching fails for C++ object detection and how to fix it: multi-scale, edge preprocessing, robust thresholds, or feature-based methods.

1 answer 1 view
HardwareRestore Palit GTX 1660 Super Fan Control & Drivers

Fix Palit GTX 1660 Super fan control after NVIDIA updates. Use DDU, try drivers 517.48/512.x, Palit ThunderMaster, backup VBIOS and test Unreal Engine.

1 answer 1 view
ProgrammingFind Duplicates in Python Lists: Set, Counter, Sort

Efficient methods to find duplicates in Python lists using sets, collections.Counter or sorting. Handles unhashable items and covers time and space complexity.

1 answer 1 view
ProgrammingAppleScript Object Specifier for Shared Cocoa Objects

Assign stable UUIDs, expose an app-level resolver, and return NSUniqueIDSpecifier so AppleScript recognizes shared Cocoa objects as identical. Fast and stable.

1 answer 1 view
OSWake on LAN: Wake Windows PC Remotely and Run Apps

Step-by-step guide to wake a Windows PC over the internet using Wake on LAN, configure BIOS/network, forward router ports, and trigger custom software on wake remotely.

1 answer 1 view
ProgrammingMiniZinc cumulatives: model staff schedules & breaks

Model office hours, lunch breaks and weekends in MiniZinc using cumulatives. Time-compression, per-time capacities, and task-splitting to allow resumes.

1 answer 1 view
ProgrammingSink Mark Defect Detection for Chair Seats (Small Data)

Practical guide to sink marks defect detection on chair seats using classical CV and anomaly detection. Works with very small datasets (15 normal, 3 defects).

1 answer 1 view