A few years ago I solved 200 LeetCode problems and still froze on Mediums I hadn't seen. The breakthrough wasn't another hundred problems. It was a different loop. A problem asks for the longest substring with at most K distinct characters. You've solved sliding window before. Maximum sum subarray of size K, done. Longest substring without repeating characters, done. This third one stalls you. Twe
While working on my recent article, I had a dropdown set to display: block; only when the user hovers over it. The problem is that the dropdown still shows regardless. It was not removed from the viewport despite having display: none; applied. I inspected the dropdown in the browser’s dev tools and found display: none; — it was struck through. Upon further inspection, I discovered the parent <nav>