57,803 blogs · [ { "id": "01a0878f-49ab-7235-bef8-d80d0236a34f", "title": "How I Wired Agents and Webhooks Around a Small Startup", "url": "https://johndel.gr/blog/how-i-wired-agents-and-webhooks-around-a-small-startup", "published_at": "2026-06-21T06:30:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d0275283c", "title": "Building DCAloop, an automated Bitcoin DCA app", "url": "https://johndel.gr/blog/building-dcaloop-automated-bitcoin-dca", "published_at": "2026-05-24T06:20:52+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d02981a73", "title": "Rails World 2025", "url": "https://johndel.gr/blog/rails-world-2025", "published_at": "2025-09-06T01:53:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d02a0ed18", "title": "The Future of Work in the Age of AI", "url": "https://johndel.gr/blog/work-and-ai", "published_at": "2023-09-29T14:59:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d035af4fc", "title": "Sidekiq Restarts in Rails: Deployment Cautions", "url": "https://johndel.gr/blog/sidekiq-restarts-caution", "published_at": "2023-09-24T09:51:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d038819af", "title": "Chess opening drills project", "url": "https://johndel.gr/blog/chess-opening-drills-project", "published_at": "2023-09-13T11:57:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d0400d99e", "title": "Mastery through Repetition: The Path to Sustained Excellence", "url": "https://johndel.gr/blog/mastery-through-repetition", "published_at": "2023-09-09T15:41:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d0484d3ed", "title": "Unraveling the Mysteries of where.not in Rails", "url": "https://johndel.gr/blog/the-mystery-of-where-not", "published_at": "2023-09-07T00:27:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d05494a3b", "title": "Exploring Mobile Development with AstroMobile", "url": "https://johndel.gr/blog/exploring-astromobile-quiz-game", "published_at": "2023-08-25T12:59:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d05fc5243", "title": "Summer Side Projects: From Academic Insights to Movie Nights", "url": "https://johndel.gr/blog/summer-side-projects-daily-academia-couch-potatoes", "published_at": "2023-08-02T23:50:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d06ef280c", "title": "Wearables: Exploring Innovations and Practical Applications", "url": "https://johndel.gr/blog/wearables-2023", "published_at": "2023-04-14T21:07:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d07ec601c", "title": "GPT-3.5 vs GPT-4", "url": "https://johndel.gr/blog/gpt-version-comparison", "published_at": "2023-04-02T21:56:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d0861426e", "title": "Results from predictions of 2022", "url": "https://johndel.gr/blog/results-2022", "published_at": "2023-01-01T23:40:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d089f2bc2", "title": "About ChatGPT", "url": "https://johndel.gr/blog/about-chatgpt-beta", "published_at": "2022-12-26T22:18:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d097063b1", "title": "Strange bugs", "url": "https://johndel.gr/blog/strange-bugs", "published_at": "2022-09-15T12:14:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d098e1800", "title": "Recipe for resize and combine images in ruby", "url": "https://johndel.gr/blog/image-combination", "published_at": "2022-08-28T13:03:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d09e0d5bc", "title": "Ruby in reddit api", "url": "https://johndel.gr/blog/ruby-reddit-api", "published_at": "2022-08-02T23:42:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d0a2f768f", "title": "Mobile apps and some architecture", "url": "https://johndel.gr/blog/service-and-mobile-app-structure", "published_at": "2022-06-21T21:00:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d0a794020", "title": "Background jobs and some intrastructure info", "url": "https://johndel.gr/blog/infrastructure-with-sidekiq", "published_at": "2022-06-14T21:00:00+00:00" }, { "id": "01a0878f-49ab-7235-bef8-d80d0b1e0f1f", "title": "Fixed price for the project", "url": "https://johndel.gr/blog/fixed-price", "published_at": "2022-06-08T21:00:00+00:00" } ] posts Claim your blog

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2026

How I Wired Agents and Webhooks Around a Small Startup original ↗

21 Jun 2026

Building DCAloop, an automated Bitcoin DCA app original ↗

24 May 2026

2025

Rails World 2025 original ↗

6 Sept 2025

2023

The Future of Work in the Age of AI original ↗

29 Sept 2023

Sidekiq Restarts in Rails: Deployment Cautions original ↗

24 Sept 2023

Chess opening drills project original ↗

13 Sept 2023

Mastery through Repetition: The Path to Sustained Excellence original ↗

9 Sept 2023

Unraveling the Mysteries of where.not in Rails original ↗

7 Sept 2023

Exploring Mobile Development with AstroMobile original ↗

25 Aug 2023

Summer Side Projects: From Academic Insights to Movie Nights original ↗

2 Aug 2023

Wearables: Exploring Innovations and Practical Applications original ↗

14 Apr 2023

GPT-3.5 vs GPT-4 original ↗

2 Apr 2023

Results from predictions of 2022 original ↗

1 Jan 2023

2022

About ChatGPT original ↗

26 Dec 2022

Strange bugs original ↗

15 Sept 2022

Recipe for resize and combine images in ruby original ↗

28 Aug 2022

Ruby in reddit api original ↗

2 Aug 2022

Mobile apps and some architecture original ↗

21 Jun 2022

Background jobs and some intrastructure info original ↗

14 Jun 2022

Fixed price for the project original ↗

8 Jun 2022