VOVitaliy Obolenskiyinskillhacker.hashnode.dev·14h ago · 2 min readThe finally Trap That Silently Breaks Senior JavaScript CodeThis is one of my favorite senior-level interview questions. Almost everyone gets it wrong — including people who've been shipping JS for a decade. The Problem async function getUser(id) { try { 00
VOVitaliy Obolenskiyinskillhacker.hashnode.dev·1d ago · 2 min read🚀 Senior Go Interview Question: The Graceful Shutdown TrapIf you are interviewing for a Senior Backend role in Go, you will almost certainly be asked about concurrency and lifecycle management. Here is a classic question that perfectly separates mid-level de00
VOVitaliy Obolenskiyinskillhacker.hashnode.dev·Sep 8 · 1 min readSenior Python Quiz: What gets printed and why? 🧠Let's test your internal CPython mental model. Take a look at this snippet: class Key: def __init__(self, val): self.val = val def __hash__(self): return 1 def __eq__(s00
VOVitaliy Obolenskiyinskillhacker.hashnode.dev·May 9 · 8 min readWhy LeetCode No Longer Guarantees an Offer: The Preparation Gap Everyone IgnoresThe Death of the "Algorithmic Race": Why You're Failing Interviews Let's cut through the noise. You've solved 547 LeetCode problems. Your GitHub is a graveyard of optimized solutions. You can reverse 00
