coding practices

Python Performance Optimization: 10 Core Techniques Every Beginner Should Master (Including Code Demonstrations)

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Python Performance Optimization: 10 Core Techniques Every Beginner Should Master (Including Code Demonstrations)

Python’s slow performance is not due to being an “interpreted” language, but rather due to incorrect data structure choices, excessive unnecessary object creation, repeated function calls, and misuse of exceptions. There are only two categories of underlying principles: 1. Reduce time complexity 2. Reduce memory usage and object overhead The following sections will elaborate on … Read more

Summary of Core Python Knowledge Points – Recommended for Collection

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Since you are already using Python, there’s no need to worry about these details; as long as it functions, that’s what matters. What else can be used if not Python? I sincerely seek advice. Use isinstance to check inheritance, type to output specific types, and check if an object has specific behaviors. The first bad … Read more

Feeling Lost on Your First Day Learning C? Here Are My 15,000-Word Study Notes

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(Note: This article only provides a process description of certain consumer features visible to some users, and does not serve as promotional guidance.) (Disclaimer: The content of this article is time-sensitive; please refer to the latest official guidelines for specific operations.) Feeling Lost on Your First Day Learning C? Here Are My 15,000-Word Study Notes … Read more

Attention Freshmen! Learning Python This Way Really Gives You an Edge!

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Attention Freshmen! Learning Python This Way Really Gives You an Edge!

Previously, I really took a lot of detours while learning Python. 😭 I blindly watched online courses 📺 and took a ton of notes 📒, but when it came to coding, my mind went blank… I knew the syntax, I had filled three notebooks, and felt like I understood everything, but when I first tried … Read more

C++ Namespaces: A Tool for Organizing Code and Avoiding Conflicts

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C++ Namespaces: A Tool for Organizing Code and Avoiding Conflicts

What is a Namespace? A namespace is an important mechanism in C++ for organizing code and avoiding naming conflicts. It allows grouping code elements (such as variables, functions, and classes) into different naming areas, thus preventing name collisions between different libraries or code modules. The Standard Library and the std Namespace The C++ Standard Library … Read more

Essential Tips for Self-Taught Python Programmers: Bad Habits to Change

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Essential Tips for Self-Taught Python Programmers: Bad Habits to Change

As a self-taught Python programmer, do you often find yourself writing code and feeling that something is off, but you can’t quite put your finger on it? It might be due to some bad habits holding you back! Today, let’s discuss the bad habits in Python that you should change to help you write cleaner … Read more

Stop Writing C++ the C Way! 10 Examples to Upgrade to Modern C++!

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Stop Writing C++ the C Way! 10 Examples to Upgrade to Modern C++!

Many students actually write C++ in the style of C. For example, using <span><span>printf</span></span>, frequently using global variables, and starting array indices from 1… These coding practices may run, but they are neither safe nor modern. It is important to know that while C++ is compatible with many features of the C language, modern C++ … Read more

Is There a Relationship Between Microcontroller Programming and English?

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Is There a Relationship Between Microcontroller Programming and English?

Many students have such concerns::“Teacher, my English is not good, will I be unable to learn microcontrollers?Will it be difficult to learn programming because my English is poor?” I have been teaching microcontrollers for many years, and every year students ask this question. Today, I will talk about this matter, the relationship between microcontroller programming … Read more