Computer Science
@CompSciFact
Daily tweets about computer science and related stuff @JohnDCook.
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Zero knowledge proof of compositeness johndcook.com/blog/2025/11/2…
Crash course on notation in programming language theory siek.blogspot.com/2012/07/crash-…
Accurately computing a 2x2 determinant in floating point johndcook.com/blog/2020/05/3…
Goodhart's law: When a metric becomes a target, it ceases to be a good metric.
Deconstructing functional programming infoq.com/presentations/… Presentation by @Gilad_Bracha
'If rounding errors vanished, 95% of numerical analysis would remain.' -- Nick Trefethen
On false proofs of P=NP, or how not to use induction farkasdilemma.wordpress.com/2013/10/15/on-…
The number of digits in an integer n in base b is 1 + floor( log_b(n) ). Simple but useful.
The Bw-Tree: A B-tree for New Hardware microsoft.com/en-us/research…
microsoft.com
The Bw-Tree: A B-tree for New Hardware Platforms - Microsoft Research
The emergence of new hardware and platforms has led to reconsideration of how data management systems are designed. However, certain basic functions such as key indexed access to records remain...
'Any sufficiently advanced technology is indistinguishable from a rigged demo.' -- Andy Finkel
“Writing code was never the hard part. … Scaling complexity without everything collapsing—that’s the hard part.” x.com/lemire/status/…
Antifragile Programming and Why AI Won’t Steal Your Job Whenever I say I dislike debugging and organize my programming habits around avoiding it, there is always pushback: “You must not use a good debugger.” To summarize my view: I want my software to be antifragile (credit to…
Leibniz [1646-1716] studied symbolic logic and built a sort of computer. johndcook.com/blog/2013/04/0…
Functional Programming Fundamentals. 13 lectures by @headinthebox channel9.msdn.com/Series/C9-Lect…
The original Lisp paper. McCarthy 1960 www-formal.stanford.edu/jmc/recursive.…
How to compute the square root of a complex number, avoiding floating point problems. johndcook.com/blog/2020/06/0…
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