Let's talk about joins (cghlewis.com) | HN Screenshots

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Screenshot of cghlewis.com: Let's talk about joins

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Screenshot of justinjaffray.com: Joins 13 Ways

Joins 13 Ways (justinjaffray.com)

480 points by foldU 3 years ago | 63 comments

Justin Jaffray blog post presenting thirteen different definitions, mental models, and implementations of relational inner joins.

sql-joins relational-databases query-processing database-internals

Screenshot of lemire.me: Data scientists need to learn about significant digits

Data scientists need to learn about significant digits (lemire.me)

48 points by ibobev 2 years ago | 39 comments

Screenshot of werat.dev: Learning about Debuggers

Learning about Debuggers (werat.dev)

29 points by fagnerbrack 2 years ago | 0 comments

Screenshot of lemire.me: Defining interfaces in C++ with ‘concepts’ (C++20)

Defining interfaces in C++ with ‘concepts’ (C++20)(lemire.me)

49 points by pjmlp 3 years ago | 64 comments

Screenshot of antonz.org: SQL Join Flavors

SQL Join Flavors (antonz.org)

65 points by nalgeon 3 years ago | 21 comments

Screenshot of lemire.me: Transcoding Latin 1 strings to UTF-8 strings at 12 GB/s using AVX-512

Transcoding Latin 1 strings to UTF-8 strings at 12 GB/s using AVX-512 (lemire.me)

110 points by mariuz 3 years ago | 87 comments