Quastor Daily·3yHow Booking.com Searches Through Millions of Locations in Milliseconds
The data structure powering this map is a Quadtree, a tree data structure that’s used extensively for spatial indexing, image processing and more. For Quadtrees storing more than 300,000 markers, Booking achieves a p99 lookup time of less than 5.5 milliseconds. Pinterest uses Apache Druid for storing ad reporting metrics.
ByteByteGo·3yEP60: Netflix Tech Stack - Databases
This week’s system design refresher: SQL Query Execution Order (Youtube video) Netflix Tech Stack - Databases The 10 Algorithms That Dominate Our World ‘Pull’ and ‘Push’ Payments ByteByteGo Talent Collective Retool is the fast way to build internal tools.
Community Picks·3yDynamic Programming Algorithms Every Programmer Should Know
Dynamic programming is a technique that allows us to break down complex problems into smaller, more manageable subproblems. It involves solving subproblems only once and storing the results in memory for future use, instead of solving them repeatedly. This article explores essential dynamic programming algorithms like the Fibonacci sequence, the knapsack problem, and the longest common subsequence problem.
freeCodeCamp·3yThe Difference Between AI and Machine Learning
Artificial Intelligence is a field which contains a lot of sub-fields, including Machine Learning. Machine Learning is not the same thing as Artificial Intelligence, but rather a part of it – like a cog amongst many cogs that makes up the machine which is Artificial Intelligence. I'll explain how Machine Learning fits into AI as a field.
HEARTBEAT·3yUnderstanding Popular Algorithms in Deep Learning
Deep learning allows machines to learn from vast amounts of data and carry out complex tasks that were previously only considered possible by humans. Deep learning is based in algorithms that let computers learn from data and get better over time. In this article, we will examine some different popular deep learning algorithms and how they operate.
neo4j·3yBuild A Routing Web App With Neo4j, OpenStreetMap, and Leaflet.js
Build A Routing Web App with Neo4j, OpenStreetMap, and Leaflet.js. This post is adapted from a live online workshop I facilitated as part of a free online workshop that covers a variety of topics around building applications and analyzing data with graphs.