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Programming-Languages

Why 0.1 + 0.2 ≠ 0.3: How Programming Languages Handle Numbers Differently

January 26, 2026 programming-languagesnumeric-precisionfloating-pointcoboljavascriptpython

Open your browser’s developer console right now and type 0.1 + 0.2. Go ahead, I’ll wait.

You expected 0.3, didn’t you? Instead, you got:

0.30000000000000004

This isn’t a …

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The Oldest Programming Languages Still in Production Use

January 19, 2026 programming-languageshistorylegacy-systemscobolfortranlisp

Somewhere right now, a FORTRAN program written in the 1970s is predicting tomorrow’s weather. A COBOL system is processing your credit card transaction. A Lisp-based AI is helping plan a …

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7 Programming Languages You've Never Heard Of (But Should Know About)

January 12, 2026 programming-languageshistoryobscure-languageslanguage-design

Most developers spend their careers working with a handful of mainstream languages—Java, Python, JavaScript, maybe some C++. But beneath the surface of popular programming lies a fascinating world of …

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