What if I told you that one man’s frustration with an elevator breakdown led to the creation of the fastest-growing and most-beloved programming languages today? Seventeen years ago, Graydon Hoare’s ordinary evening turned pivotal when an out-of-order elevator at his apartment building forced him to trek up 21 stories. A Mozilla software engineer, Hoare’s frustration wasn’t just with the climb, but with the fact that the tools of his trade couldn’t even make an elevator that works without cras

Massive list of free certificates and badges for developers in data science, software development, and more.

Subscriber growth and revenue are accelerating even as revenue per user declines. Udemy built its empire on a simple idea: anyone could create a course, and anyone could buy one. That marketplace model made Udemy famous and made millionaires out of its top instructors. Now the company is deliberately killing it. In Q3 2025 earnings call, Udemy’s CFO admitted they are “intentionally reducing” single course sales to push users toward subscriptions. The logic is straightforward: Udemy keeps 82.5%

On April 9, shareholders of both Coursera and Udemy voted to approve the merger. The votes weren’t close. At Coursera, 99.4% of votes were in favor of issuing new shares to complete the acquisition. At Udemy, 99.9% voted to adopt the merger agreement. Out of more than 228 million shares that voted across both companies, fewer than 500,000 voted against. Coursera shareholders also approved doubling the company’s authorized shares from 300 million to 600 million, which is needed to issue the sto