With Agentforce now central to Salesforce's roadmap, demand for people who can actually configure, ground, and govern AI agents has spiked — and Salesforce's certification track has changed to match. If you're weighing whether to get certified in 2026, here's what the credential actually covers and whether it's worth your time. The Certification Landscape Changed in 2026 Salesforce retired the older AI Associate and AI Specialist certifications in early 2026. The current credential is the Salesforce Certified Agentforce Specialist (exam code AI-201 ) — a single, more practical exam replacing the older, more theory-focused ones. What the Exam Actually Tests Rather than abstract AI theory, the Agentforce Specialist exam focuses on real configuration and governance skills: Designing AI workflows using prompts, actions, data, and automation. Grounding agents with relevant, trustworthy data. Building and customizing agents for specific business needs. I...
Binary search is usually the first "real" algorithm people learn in DSA, and for good reason: it's simple, it's fast, and it teaches the core idea behind a huge number of more advanced algorithms — solve a big problem by repeatedly cutting it in half. The Problem It Solves You have a sorted list of numbers and you want to know if a target value exists in it (and where). The naive approach — checking every element one by one — is O(n) . Binary search does it in O(log n) , which is dramatically faster for large lists. How It Works Look at the middle element of the list. If it matches the target, you're done. If the target is smaller, repeat the search on the left half. If the target is larger, repeat the search on the right half. Keep going until you find it, or the range becomes empty (not found). Every step throws away half the remaining list — that's why it's so fast. Searching 1,000,000 sorted items takes at most ~20 comparisons. Java...