Why 32‑bit vs 64‑bit Matters: CPU, OS, Memory and Code Explained

This article explains the meaning of 32‑bit and 64‑bit labels for CPUs, operating systems, software and integer types, shows how source code becomes machine code and a running process, and clarifies the memory‑addressing limits and compatibility rules of each architecture.

CPUMemoryarchitecture

0 likes · 14 min read

Why 32‑bit vs 64‑bit Matters: CPU, OS, Memory and Code Explained

Python Crawling & Data Mining

Jun 2, 2022 · Fundamentals

How to Convert Float64 Columns with NaNs to Int64 in Pandas

This guide explains why pandas cannot directly cast float64 columns containing None, np.nan, or pd.NA to integers and demonstrates practical methods—using map with a lambda function or the nullable Int64 dtype—to safely convert such data to int64.

NaNNumPyType Conversion

0 likes · 6 min read

How to Convert Float64 Columns with NaNs to Int64 in Pandas