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Subsets II: Solving the Power Set Problem with Duplicates Using Backtracking

leetcode.com Problem...

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cstu.io·Tech by Flipboard·1mo ago·3 min read

Practical Applications of Skiplists: From Niche Data Structure to Real-World Problem Solving

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antithesis.com3mo ago

GPU-Accelerated Cuckoo Filter Implementation Using CUDA

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github.com6mo ago

Wavelet Matrix: High-Performance Rust Implementation for Indexed Sequence Queries

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pypi.org7mo ago

Functional Quadtree Implementation in Clojure for Browser-Based Visualization

A Quadtree is a tree data structure, which is useful for giving more focus/detail to certain regions of your data, while saving resources elsewhere. I could only find a couple tutorials/guides and both were imperative, so I figured it'd be fun to do a fun

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lbjgruppen.com·Hacker News: Front Page·7mo ago·9 min read

Understanding Count-Min Sketches: Frequency Estimation Without Storing Data in JavaScript

Our teammate Daniel introduced Count-Min Sketches in Instant (a sync engine you can spin up in less than a minute). Sketches were so small and so fast that I got into a rabbit hole learning about them. The following post came out of the process.

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instantdb.com·Hacker News: Front Page·8mo ago·25 min read

Understanding Zippers: Efficient Data Structure Updates in Functional Programming

In the Haskell stuff, I was planning on moving on to some monad-related stuff. But I had a reader write in, and ask me to write another post on data structures, focusing on a structured called a zi…

educationprogrammingdata structuresgoodmath.org·Hacker News: Front Page·9mo ago·10 min read

Combining Cuckoo Hashing with SIMD-Accelerated Probing for Improved Hash Table Performance

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reiner.org9mo ago

Monoid-Augmented FIFO Data Structures for Streaming Analytics

Paul Khuong's personal blog. Some Lisp, some optimisation, mathematical or computer.

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pvk.ca11mo ago

Introduction to the Segment Array: A Stable-Pointer Data Structure in C

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danielchasehooper.com11mo ago

Efficient Encoding of Icelandic Name Declension Patterns Using a Compressed Trie

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alexharri.com11mo ago

Optimizing Hash Table Lookup Performance with SIMD Techniques in C#

It started with a simple thought: four bytes in a hash table bucket look just like an integer. Luckily, this one idea led to a deep dive into bit-twiddling and a 2x performance boost.

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maltsev.space11mo ago