Every tech fact, in one place.

Pro jQuery Selector Tip

Cache jQuery selections in a variable (e.g., var $el = $('#my-id');) to avoid repeatedly querying the DOM and boost performance.

Boost Your Internet Speed Locally

Run a local DNS server like Pi-hole to cache queries on your network, making frequently visited websites load noticeably faster.

Boost Network Security with VLANs

Isolate untrusted devices like IoT gadgets onto their own VLAN to prevent them from accessing your main network.

Mobile SEO is King for Google

Google's mobile-first indexing means your mobile site is the baseline for how they determine rankings; prioritize it!

HTTP vs HTTPS: What's the 'S' for?

HTTPS encrypts your data for security; HTTP sends it as plain text, making it vulnerable to snooping.

Symmetric vs. Asymmetric Encryption

Symmetric encryption uses one shared key for both locking and unlocking, while asymmetric uses a public key to lock and a private key to unlock.

Filter Data Instantly in Sheets

Use the `QUERY` function in Google Sheets to run SQL-like queries directly on your data ranges.

Node.js Callback to Promise Hack

Instantly convert old callback-based functions into modern Promise-based ones using `util.promisify`.

Quickly Sum a Range in Excel

To instantly sum a range of cells, use the formula `=SUM(A1:A10)`.

The Best Google Sheets Lookup Trick

Use XLOOKUP in Google Sheets for a powerful and flexible way to find values in a table.

Google Docs Alignment Shortcut

In Google Docs, instantly center your text by pressing Ctrl + Shift + E (or Cmd + Shift + E on Mac).

AWS CloudWatch Auto-Scaling Trick #795

Use CloudWatch Alarms on metrics like CPUUtilization to automatically trigger an Auto Scaling policy and manage your EC2 fleet.

Instant HTML Boilerplate in VS Code

In an empty HTML file, type an exclamation mark `!` and press Tab to generate a full HTML5 document structure.

Fastest MySQL CSV Import #906

Use the `LOAD DATA INFILE` command in MySQL for the most efficient way to bulk-import large CSV files.

AI Predicts Cyberattacks

Leverage AI-powered threat intelligence to predict and neutralize cyberattacks before they even launch.

Pocket Hacking with a Raspberry Pi

Install Kali Linux on your Raspberry Pi to create a pocket-sized device for network penetration testing and security audits.

ML Business Prediction Secret

Always benchmark with a simple model like Logistic Regression before using complex deep learning.

The Ultimate Mac Preview Hack

Select any file on your Mac and press the Spacebar to get an instant preview without opening the app.

AI Marketing Hack #403

Use AI predictive analytics to target users who are most likely to convert, optimizing your ad spend.

Instant Node.js Project Setup

Instantly create a `package.json` for your Node.js project by running `npm init -y` in your terminal.

Instantly Enhance Photos with AI

Topaz Photo AI's Autopilot automatically enhances, denoises, and upscales your images.

Easy HTML Progress Bar

Use the <progress> element with 'value' and 'max' attributes to create a native browser progress bar, like <progress value='70' max='100'></progress>.

jQuery Fade Trick

Use `.fadeToggle()` to smoothly fade an element in or out with one command.

Google Docs Comment Shortcut

Instantly add a comment in Google Docs by pressing Ctrl+Alt+M (Cmd+Option+M on Mac).