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this week's favorite

Error message from 1974

It is 2018 and this error message is a mistake from 1974. This limitation, which is still found in the very latest Windows 10, dates back to BEFORE STAR WARS. This bug is as old as Watergate.

Colorise old images with AI

Simply put, the mission of this project is to colorize and restore old images. I'll get into the details in a bit, but first let's get to the pictures! BTW – most of these source images originally came from the r/TheWayWeWere subreddit, so credit to them for finding such great photos.


In a recent xkcd's alt text, Randall Munroe suggested stacksort, a sort that searches StackOverflow for sorting functions and runs them until it returns the correct answer. So, I made it. If you like running arbitrary code in your browser, try it out.

How to match "A B C" where A+B=C: The Beast Reborn

A while ago, I created a regex to verify addition of two non-negative integers, and unleashed the unholy mess onto reddit. Reactions were fierce, heads exploded, etc. and so I immediately took to demystifying it by introducing line breaks, comments, and structured formatting. This follow-up was so effective that many commenters were lulled to a state of boredom by the result, underwhelmed by its simplicity. The loudest voices expressed dissatisfaction with the robustness of the solution, complaining about the lack of negative number support and, worse yet, the stark absence of decimal support.

Google Sheets Query function: Learn the most powerful function in Google Sheets

Have you heard of the Google Sheets query formula? It allows you to use pseudo-SQL (Structured Query Language, the code used to communicate with databases) code to manipulate your data in Google Sheets and it’s SUPER powerful.

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