I Cracked Guidewire Codility in 2026: Real Questions, Prep Guide
I cracked Guidewire Codility: my verified 2023 four-question set (2 SQL tasks), a seven-day prep plan, and the overlay warning that invalidated my 2026 session.
My AT&T HackerRank OA in 2026: 3 Real Questions and How I Prepared
Walkthrough of the 2026 AT&T HackerRank OA: 3 real questions (2 coding + 1 SQL), proctoring, scoring, a 7-day prep plan, and what happens after you submit.
How I Aced Pinterest CodeSignal in 2026: Real Questions and Prep
I aced the Pinterest CodeSignal OA in 2026: 4 real questions in 70 minutes, my exact Python solutions, proctoring rules, scoring bands, and a 7-day prep plan.
I Aced Marshall Wace Codility in 2026: Real Questions and Prep
I aced the Marshall Wace Codility OA in 2026: a 7-day window, real tasks (sequence, SQL, sliding window), one peer overlay warning, and my five-day prep plan.
I Passed Deloitte Codility in 2026: 3 Real Questions, Prep Plan
I passed the Deloitte Codility test in 2026 after solving 3 real coding questions, with a 7-day study plan, proctoring rules, and the 0–100 scoring model.
I Aced Morgan Stanley HackerRank in 2026: Real Questions and Prep
My 2026 hackerrank morgan stanley OA gave 3 coding questions - array squares, interval meetings, patch sequence - plus proctoring traps and a 7-day prep plan.