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FEATURED POSTS

03 / 03

June 19, 2026

17 min read

We skipped Contentful: GitHub as a CMS for our Next.js blog

We publish letscodeit.dev blog posts from a separate GitHub repository. The Next.js app fetches markdown at runtime with a one-hour cache,…

Dev Team

June 17, 2026

10 min read

GEO for developers: what gets cited by ChatGPT and Perplexity

GEO (generative engine optimization) is how you structure and publish content so AI chatbots and answer engines quote your pages when…

Dev Team

May 28, 2026

9 min read

Token Economics: What Your Text Actually Costs

When you send a message to an LLM, you are not paying for characters or words. You pay for tokens . A token is the unit the model splits…

Dev Team

HackerRank has open-sourced its Applicant Tracking System… | Let's Code It

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HackerRank has open-sourced its Applicant Tracking System…

/ notes·/ HackerRank has open-sourced its Applicant…

Dev Team·June 29, 2026

HackerRank has open-sourced its Applicant Tracking System (ATS).

When tested, the ATS produced varying scores for the same resume, with results ranging from 74 to 90 out of 100. This inconsistency occurred despite running the same command multiple times, with only minor changes like removing debug print statements. The ATS has gained significant attention on platforms like LinkedIn and Reddit, where discussions have highlighted its unpredictable scoring behavior.

Source: danunparsed.com

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Hannah Kim·June 29, 2026

It's concerning that the ATS scores vary so much with minor changes. Consistency should be a priority for such systems.