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howcani howcani4d ago • 9 min read
Your boilerplate filter is a share threshold, and that quietly protects the majority
A similarity guard's background frame is a threshold on a share, not a count. Measured on 14,684 pin...
#testing#datascience#programming#algorithms
3 2
gilnett5d ago • 4 min read
Learned Indexes in Rust v0.2: Answering Reddit, Adding Range Queries, and Beating slice::binary_search
A few days ago, I published an architectural deep dive exploring a provocative question: What if we....
#rust#performance#database#algorithms
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Gabriel Anhaia6d ago • 10 min read
Build HNSW in TypeScript and Watch Recall Fall as You Lower efSearch
A small HNSW index in TypeScript, 50,000 random vectors, and a script that measures recall@10 agains...
#typescript#rag#ai#algorithms
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Judy3d ago • 4 min read
SQLazy: Find Strings with 5 or More Consecutive Alphabetical Letters
Problem Description Table table_name has a single string field VALUE (max length 50). Find...
#algorithms#database#programming#sql
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SAUD SATOPAY5d ago • 13 min read
I shut down the L train in a FalkorDB graph: 23,445 riders, one min cut, and a fix tested on a fork
Picture 8 a.m. on a Wednesday in October. A signal fire in the Canarsie Tube stops the L between...
#falkordb#ai#algorithms#graphhacks
3 1
Alex1d ago • 5 min read
Fuzzy search that keeps up with typing: ranking 20,000 items in a VS Code webview
Slashi, the VS Code extension I maintain, is a launcher: press Cmd/Ctrl + / and one popup searches.....
#javascript#typescript#algorithms#performance
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Pedro Sakuma Travi5d ago • 22 min read
Como ReadOnlySpan<char>.IndexOf encontra uma substring com SIMD
Este artigo acompanha a sequência de ideias do vídeo: o vídeo anima os estados; aqui podemos pausar....
#dotnet#csharp#performance#algorithms
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sishiya (しし屋)1d ago • 3 min read
Teaching spring-and-joint creatures to walk with a genetic algorithm (hand-written 2D physics)
I made a page where creatures made only of joints (balls) and muscles (springs) evolve with a geneti...
#javascript#algorithms#physics#simulation
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Halil Cinar6d ago • 6 min read
Engineering a Multimodal Travel Planner on a 228,060-Edge Graph
A flight search engine answers a well-defined question: which available flights connect two airports...
#algorithms#architecture#travel#typescript
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Alok Singh1d ago • 11 min read
Animating Algorithms in SwiftUI: A Step-Recorder Pattern for Visualising Sorts, Searches and Graphs
Separate the algorithm from the animation, record every step as data, then play it back with play,.....
#algorithms#computerscience#ios#swift
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howcani howcani1d ago • 10 min read
How much of a fairness constraint is free? Measure it, don't predict it
Every paper on constrained clustering or fair subset selection reports a worst-case number: an...
#fairness#algorithms#python#datascience
1 1
Evgueny lemasovs2d ago • 4 min read
SkySearch for the better flight using 30 rpm API
When I plan a trip I rarely know the exact dates. I know something like: a week in Barcelona sometim...
#showdev#webdev#nextjs#algorithms
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Vuelancer6d ago • 6 min read
I Built codezap.in: The Full-Stack Platform Reinventing How Developers Learn DSA & Compete
Why traditional competitive programming platforms and AI chatbots fail modern learners, and how we b...
#webdev#programming#react#algorithms
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Simple Morse3d ago • 6 min read
Decoding Morse code from a microphone in the browser (Goertzel, envelopes and a little clustering)
In the last post we made the browser beep in Morse. This one goes the other way: take sound from a.....
#javascript#webaudio#algorithms#tutorial
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Alkin Veysal2d ago • 6 min read
When Counting Overlapping Bookings Is Not Enough: Capacity-Aware Availability in PHP
A practical sweep-line approach to finding bookable time windows, and why calculating availability i...
#php#algorithms#symfony#doctrine
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taurus yao1d ago • 6 min read
Palace Ring Arithmetic: Why Every Zi Wei Dou Shu Reading Is a Four-Node Query
The palace layer of a Zi Wei Dou Shu chart is index arithmetic plus two table joins. Here is the rin...
#algorithms#math#programming#tutorial
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Halil Cinar6d ago • 12 min read
When Better Route Optimization Made Our Travel Planner Slower Copy
Route optimization is usually evaluated through the quality of the paths an algorithm discovers. Fo...
#algorithms#performance#postgres#architecture
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zyx94-ir2d ago • 5 min read
Why a Word Ladder Needs a Graph Search: BFS in JavaScript
TINY and MEND differ in three letter positions. But in my game's dictionary, the shortest valid...
#javascript#algorithms#webdev#showdev
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Pedro Sakuma Travi5d ago • 20 min read
How ReadOnlySpan<char>.IndexOf finds a substring with SIMD
Leia em português. This article follows the video's sequence of ideas: the video animates...
#dotnet#csharp#performance#algorithms
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Desi Return2d ago • 5 min read
Modelling India's residential status rules in code (and why a one-year "AY 2026-27" calculator isn't enough)
Every year around ITR season, people search for a "residential status calculator for AY 2026-27"....
#python#algorithms#india#fintech
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Silkline1d ago • 5 min read
Seating wedding guests with constraints: a small optimiser in a Web Worker
Seating wedding guests sounds like a spreadsheet job until you write down the rules. The Smiths sit....
#javascript#typescript#algorithms#webdev
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Abid Ali2d ago • 6 min read
Building a "Trending This Week" Page: Time-Decayed Play Counts, Log-Space Scores and Cached Reads in Next.js
A soundboard needs a "what's hot" page. The obvious version is a list sorted by total plays, and it....
#javascript#algorithms#nextjs#webdev
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Neo Sahadeo2d ago • 3 min read
djb2 Hashing is Wrong
djb2 is a simple hashing algorithm and people keep doing it wrong. tldr; use this #define...
#algorithms#c#code#programming
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Abdulaziz Hamzah5d ago • 4 min read
I designed a chess variant where you win by capturing the King, then taught an engine to play it
What would chess look like with the guardrails off? I wanted to find out, so I designed Anarch Chess...
#showdev#gamedev#typescript#algorithms
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