@brunomarques
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Aug 7, 2025 · 3 min read · When we write Python code, we rarely stop to think about what happens under the hood. Variables, lists, dictionaries… everything “just works.” But what ensures that memory is used efficiently? How does Python know when it’s safe to free memory? In th...
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Jul 24, 2025 · 3 min read · If you've ever compared objects in Python and felt unsure about whether to use is or ==, you're not alone. This is a common question — even among experienced developers. The answer lies in understanding how Python handles object identity and equality...
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Jul 22, 2025 · 3 min read · The with statement in Python is one of the most elegant and useful features of the language — but also one of the least understood by beginners. Many developers have used with open(...) without realizing what's happening behind the scenes. This is th...
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Jul 16, 2025 · 4 min read · If you've come across the yield keyword in Python and wondered what it does, or you've heard that "generators save memory" but never quite understood how — this article is for you. This is the fourth article in my Python fundamentals series, and we’l...
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Jul 15, 2025 · 3 min read · If you’ve ever heard that Python "doesn’t do real parallelism" or that "multithreading in Python is limited," you’re likely bumping into one of the most discussed aspects of the language: the GIL — Global Interpreter Lock. In this article, we’ll dive...
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