Every tech fact, in one place.

Pretty-Print JSON in Python

Use `json.dumps(data, indent=4, sort_keys=True)` to convert a Python dictionary to a human-readable, indented, and sorted JSON string.

Build AI Recommenders with TFRS

TensorFlow Recommenders (TFRS) is a Google library to easily build and evaluate recommendation models.

The Other Alt+Tab in GNOME

Press Alt + ` (the key above Tab) to switch between windows of the same application.

Google Docs Alignment Shortcut

Instantly center align your text in Google Docs by pressing Ctrl + Shift + E (Cmd + Shift + E on Mac).

Stop SQL Injection in PHP

Use prepared statements with parameterized queries to prevent SQL injection, a major security risk.

The Funniest HTTP Error Code

HTTP status 418 'I'm a teapot' is a real error code from a 1998 April Fools' Day RFC, indicating a server refuses to brew coffee.

Hub vs Switch vs Router Explained

A hub broadcasts to all devices, a switch to a specific one, and a router connects different networks.

Pro MySQL Full-Text Search Tip

Use MATCH() AGAINST() in 'BOOLEAN MODE' to include or exclude words in your MySQL full-text search.

Zsh vs Bash: Killer Feature

Zsh offers advanced tab completion that can cycle through command options and arguments, not just file paths like Bash.

AI-Powered Website Personalization

AI tracks your clicks and behavior to dynamically change a website's content just for you, boosting engagement.

Stop Hackers with Digital Walls

Network segmentation divides a network into smaller zones to contain breaches and stop attackers from moving freely.

DevSecOps Security Essentials

A secure DevSecOps pipeline integrates automated SAST, DAST, and SCA scans directly into the CI/CD workflow.

AI Catches Hackers Instantly

AI learns your network's normal behavior to instantly flag suspicious activities, stopping new and unknown cyber threats.

Build AI Apps with Python

Use the LangChain framework to easily build applications powered by Large Language Models (LLMs).

Node.js AI Chatbot Trick

Use the 'openai' npm package to integrate ChatGPT into your Node.js app with just a few lines of code.

Excel Pro Tip: Format Cells Fast

Press Ctrl + 1 to instantly open the main 'Format Cells' dialog box in Excel.

jQuery Slide Animation Trick

Use jQuery's .slideToggle() method to create a smooth sliding animation for showing or hiding elements.

jQuery Trick #26: Method Chaining

Boost productivity by chaining jQuery methods (e.g., $('#id').css('color','red').show()) instead of re-selecting the element each time.

Nmap Vulnerability Scan Trick

Use `nmap -sV --script vuln <target>` to run scripts that check for known vulnerabilities.

Ubuntu Lock Screen Shortcut

Press Super + L to instantly lock your Ubuntu screen.

Your Web Server's Secret Shield

A reverse proxy can handle all SSL encryption, offloading the computational work from your backend web servers.

AI Tool for PHP Apps

Use the `php-ai/php-ml` library to add machine learning features like classification and regression directly into your PHP applications.

Network Vital Signs #279

Latency, packet loss, and jitter are the three critical metrics for monitoring network health.

RAID 0 vs 1 vs 5 Explained

RAID 0 is for speed, RAID 1 is for data safety (mirroring), and RAID 5 is a balance of both using parity.