The PlayCanvas Game engine, a game engine for 3D WebGPU and WebGL games is now fully open source (its web-editor wasn't open-source previously)
- Repository
- youtube introduction
#game_engine #js #ts
- Repository
- youtube introduction
#game_engine #js #ts
Spotify has implemented age verification by passport, mirroring Telegram's approach. This new rule, now active in the UK, requires users to upload a document photo and undergo facial scanning to avoid permanent account deletion. The move is a response to the "On Safe Internet" law, which introduced various restrictions.
Do It by Code
The camera moves around the pear. There's quiet, relaxing music in the background.
Prompt:
Model: Google Veo 3
Used image reference
The camera moves around the pear. There's quiet, relaxing music in the background.
Model: Google Veo 3
Used image reference
principal component analysis (PCA)
In short, PCA is a technique to reduce complexity and find the most important patterns in our data.
In short, PCA is a technique to reduce complexity and find the most important patterns in our data.
Imagine we have a huge spreadsheet with tons of columns (like tracking a person's height, weight, age, income, shoe size, etc.). It's a lot of information to look at all at once.
PCA is a way to simplify that complex data.
It squishes all those columns down into just a few new, special columns called "principal components." These new components are smart combinations of the original ones and are designed to capture the *most important* information.
Think of it like this:
* Making a smoothie: We start with lots of different fruits (strawberries, bananas, blueberries, mangoes). Instead of trying to taste each fruit separately, we blend them into a smoothie. The smoothie captures the main flavor profile of all the fruits combined. PCA is like making a "data smoothie."
* Summarizing a movie: Instead of describing every single scene (the original data), we just tell someone the main plot points (the principal components). We lose some minor details, but we get the main story across much more efficiently.
what's it used for?
It's used all over the place!
* Machine Learning: To make it easier and faster for computers to find patterns.
* Image Recognition: To simplify images so a computer can recognize faces or objects.
* Finance: To find the main factors that influence the stock market.
Forwarded from HackerNews Summary
The /o in Ruby regex stands for "oh the humanity "
🔸The /o regex modifier in Ruby causes a regular expression to be evaluated only once, even if it's inside an instance method or loop, due to the once instruction in the Ruby VM. This can lead to non-deterministic behavior and thread safety issues, making it generally not recommended to use the /o modifier.
02 Aug 2025
💬 comments
🌍 @hackernews_summary
🔸The /o regex modifier in Ruby causes a regular expression to be evaluated only once, even if it's inside an instance method or loop, due to the once instruction in the Ruby VM. This can lead to non-deterministic behavior and thread safety issues, making it generally not recommended to use the /o modifier.
02 Aug 2025
💬 comments
🌍 @hackernews_summary