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Pillars of Computer Science
A structured e-book exploring core computer science fundamentals including algorithms, programming, systems, and theory
verified Jul 15, 2026 · HTTP 200
CohortClass of 2026What it is
A structured e-book exploring core computer science fundamentals including algorithms, programming, systems, and theory. Designed for students and professionals seeking to deepen their understanding, it combines theoretical concepts with practical examples and hands-on exercises to build essential CS knowledge.
HTTP liveness
10 probes since Jun 16Jun 16Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
10 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y