Every tech fact, in one place.

Debug Node.js Like a Pro

Start your app with `node --inspect` to debug it using Chrome DevTools.

Passwordless SSH Login in Seconds

Use the `ssh-copy-id user@server` command to automatically copy your public key for password-free authentication.

Google Docs Centering Trick

Instantly center text in Google Docs with the shortcut Ctrl + Shift + E (Cmd + Shift + E on Mac).

Never Let Your Server Crash Again!

A reverse proxy can distribute traffic among several backend servers, preventing overloads and improving uptime.

Create Art Inside a Chat App?

Midjourney is a popular AI that generates incredible artwork from text prompts entirely within the Discord app.

Rails + AI with Langchain.rb

The `langchainrb` gem lets you easily build AI-powered features in your Ruby on Rails applications.

Database Indexing Speed Hack

Create indexes on columns used in `WHERE` clauses to avoid slow, full-table scans and accelerate query performance.

Stop DNS Spoofing with DNSSEC

DNSSEC uses digital signatures to ensure you're connecting to the correct website, preventing DNS spoofing and cache poisoning attacks.

AI Chatbot Efficiency Secret

AI chatbots use Natural Language Processing to instantly analyze and resolve thousands of customer queries simultaneously.

Secure SSH with a Secret Knock

Use port knocking to hide services like SSH; ports only open after a specific sequence of connection attempts.

AI Catches Unseen Cyber Threats

AI in Intrusion Detection Systems learns normal network behavior to spot brand-new, zero-day attacks that signature-based systems would miss.

AI Tool For Speech-To-Text

OpenAI's Whisper is a powerful open-source model for highly accurate speech-to-text conversion.

fail2ban Pro Tip for Your Server

Use a `jail.local` file to customize fail2ban; this prevents your settings from being lost during updates.

AI Predicts Your Next Purchase

Matrix Factorization in AI recommends products by decomposing user-item interaction data into latent 'taste' factors.

This AI Transcribes Your Voice LIVE

Deepgram's API provides real-time AI speech-to-text with latency under 300ms.

How VPN Encryption Works

A VPN creates an encrypted 'tunnel' for your data, making it unreadable to anyone between you and the VPN server.

AI Data Augmentation in Python

Use the 'Albumentations' library for fast and flexible image data augmentation to improve your computer vision models.

Mac Window Switching Trick #3491

Press Command + ~ (tilde) to instantly cycle between open windows of the same app.

AI Social Media Automation Hack

Use AI tools to auto-generate post ideas, write captions, and schedule them at optimal times to automate your content calendar.

MySQL Trick: List All Databases #1629

To see a list of all databases on your MySQL server, just run this simple command: SHOW DATABASES;

Contain Attacks with Network Walls

Network segmentation divides a network into isolated zones, so if one part is breached, the rest of the network remains secure.

Secure Your Traffic: SSH Tunneling

SSH tunneling, or port forwarding, wraps insecure network traffic in an encrypted SSH connection, creating a secure 'tunnel' to a remote server.

Windows Dual Monitor Shortcut

Press Win + P to instantly open the Project menu and switch between Extend, Duplicate, and other display modes.

AI Fights Human Bias

AI can analyze data to identify and mitigate unconscious human biases in decision-making processes, promoting fairer outcomes.