This is a guide to overcoming key challenges in the GESP C++ Level 3 exam, summarizing core knowledge points, high-frequency exam topics, and preparation suggestions based on the exam syllabus and analysis of past exam questions, helping candidates to review efficiently: 1. Core Challenges and High-Frequency Topics 1. Data Encoding and Base Conversion Two’s Complement/One’s … Read more
Analysis of Experiment Problems and Problem-Solving Ideas In the process of learning C language, experiment problems are an important part of assessing the mastery of theoretical knowledge. I bring you a C language final experiment problem-solving guide to help you navigate through the experiments with ease. Let’s look at the first problem: Sorting Character Arrays. … Read more
Optimizing Polars Expressions: Core Techniques for Accelerating String Processing with SIMD Instruction Sets When I first used Polars to clean up millions of usernames, I stared at the progress bar on the screen in disbelief—what originally took 30 seconds suddenly dropped to 3 seconds. The magic behind this is the perfect combination of SIMD instruction … Read more