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Programming

EDG Open-Sources Its C++ Front End After 30 Years

EDG’s C++ front end, used by commercial compilers for three decades, went public on September 30, 2026. The C++ Alliance, the foundation that already backs Boost, is its new nonprofit home.

By El Solitario Editorial, 1 month1 October, 2026 ago

Diagram of the transactional outbox pattern between a database and a message queue

Programming

Outbox Pattern: How to Avoid the Dual Write

Saving to the database and publishing to a queue are never atomic on their own. The transactional outbox pattern solves this by saving the event as just another row within the same transaction.

By El Solitario Editorial, 1 month28 September, 2026 ago

Illustration of an AI virtual pond, koi.rest style, with koi fish swimming calmly

Programming

Koi.rest: A Developer Who Doesn’t Know JavaScript Built an AI Pond

Paul Glushak, an unemployed developer who doesn’t know JavaScript, built koi.rest, an AI virtual pond where anyone can watch fish in silence alongside other visitors, without signing up. The site includes ambient sound and a focus timer of up to 60 minutes.

By El Solitario Editorial, 2 months24 September, 2026 ago

Conceptual diagram of write-ahead logging in a database

Programming

Write-Ahead Logging: How Databases Protect Every Write

Write-ahead logging is the technique PostgreSQL, SQLite, and MySQL use to avoid losing a single write during a power outage. This article explains how the change log works, how to enable and verify it, and when it’s better to avoid it.

By El Solitario Editorial, 2 months24 September, 2026 ago

Conceptual diagram of CQRS architecture with separated commands and queries

Programming

CQRS: Separating Commands and Queries to Scale Systems

CQRS separates the model that writes data from the model that reads it, each optimized for its own task. This guide explains how it works, when it makes sense, and when it doesn’t, with progressive code examples and diagrams of the full flow.

By El Solitario Editorial, 2 months23 September, 2026 ago

Conceptual illustration about the GitHub wiki and versioned documentation in /docs

Programming

GitHub Wiki Is an Anti-Pattern: Why You Should Use /docs Instead

The GitHub wiki seems practical, but it loses version control, pull request review, and automatic linting compared to a simple /docs folder. Michael Heap documented this after watching the same discussion repeat every six months. Here’s why, with the steps to migrate today.

By El Solitario Editorial, 2 months23 September, 2026 ago

Open source maintainers reviewing code without getting paid for their work

Programming

60% of open source maintainers don’t get paid: the proposal to force payment

60% of open source maintainers don’t get paid for their work, and React, Elasticsearch, and Redis found that out when they tried to change licenses and lost to a free fork. An essay from Seldo.com proposes forcing payment through registries instead of licenses.

By El Solitario Editorial, 2 months20 September, 2026 ago

Diagram of the rsync algorithm with block-level checksums

Programming

Rsync: The Algorithm That Only Moves What Changed in a File

Rsync syncs files without retransmitting them in full, thanks to a block-signature algorithm and rolling checksums. Learn how it works under the hood, with code examples and when to use it over alternatives like scp or Borg.

By El Solitario Editorial, 2 months20 September, 2026 ago

Diagram of HTTP caching with Cache-Control and ETag between browser and server

Programming

Cache-Control and ETag: How the Browser Avoids Asking Again

Cache-Control and ETag are the two headers that decide whether the browser reuses a response or asks for it again. This guide explains each directive with real code, a diagram of the cache hierarchy, and the mistakes that most often break production.

By El Solitario Editorial, 2 months19 September, 2026 ago

Laya AI decision engine processing text in milliseconds

Programming

Laya: AI Decision Engine at 32.8ms, Up to 8 Times Faster Than Jev

ConvAI Innovations introduced Laya, an open-source AI decision engine that responds in 32.8 milliseconds per query. The launch comes weeks after TypeSafe AI, founded by a former OpenAI collaborator, released a commercial product with an almost identical idea. Unlike Jev, Laya publishes its weights, code, and datasets under the Apache 2.0 license.

By El Solitario Editorial, 2 months19 September, 2026 ago