Programming — Tech News

All topics AI agents ai api architecture automation aws beginners career claude database devchallenge devops javascript learning llm machinelearning mcp opensource performance productivity programming python react rust security showdev tutorial typescript webdev

All EN RU

Longest Substring Without Repeating Characters — LeetCode #3 (Medium)

The Problem Given a string s, return the length of the longest substring that contains no duplicate characters. Example Input: s = "abcabcbb" Output: …

leetcode python algorithms hashtable