Recently, in the comments under a post, I came across this message on HN. To be honest, I was quite surprised and it got me thinking. Just think about it. For example, you have a personal website that contains links to your profiles and contacts on various services. If you don’t have the target="_blank" attribute, then when I click on a link I can immediately navigate to that service in the same…
I started thinking about this question relatively recently. Competitive programming platforms (like Codeforces, LeetCode, HackerRank, and so on) don’t provide open tests. Mostly they give us a few test cases so we can run our code against them, get a rough idea that it works, and then submit. But this submission will be run through hundreds or thousands of additional tests that the platform keeps…