Code Readability

Understanding Python Language Features: Indentation Mechanism and Naming Conventions

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Understanding Python Language Features: Indentation Mechanism and Naming Conventions

Understanding Python Language Features【32】: Characteristics of Python Language: Indentation Mechanism and Naming Conventions 1. Preliminary Insights In our previous articles, after mastering the basic knowledge points, we can write relatively complex programs. However, as we delve deeper into programming, we also need to make our programs look more aesthetically pleasing. Just like a chef cooking, … Read more

Python Type Annotations: From Guessing Games to Clear Programming

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Python does not require specifying variable types, which is both an advantage and sometimes a source of trouble. Have you ever encountered the frustration of looking at a function you wrote months ago and completely forgetting what parameters to pass? Or when calling someone else’s function, you can only guess what parameters to provide? I … Read more

The Role of Asterisk (*) in Python Function Parameter Lists

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In Python’s function parameter lists, a standalone <span>*</span> is a special syntax that indicates the start of mandatory keyword-only arguments. Detailed Explanation When you see a standalone <span>*</span> in a function definition, it means: All parameters defined after <span>*</span> must be passed using keyword arguments and cannot be passed as positional arguments. Example Illustration For … Read more

Designated Initializers in C++ 20

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C++ supports direct assignment initialization for aggregate types, in the form of: T object = { arg1, arg2, … }; Starting from C++11, list initialization was introduced, which is also applicable to aggregate types: T object { arg1, arg2, … }; C++20 introduces a new form of initialization for aggregate types, known as designated initialization … Read more

Simple Programming Guidelines for C Language

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The programming guidelines for C language provide recommendations based on the clarity, simplicity, readability, and maintainability of the code. 1. Indentation and Spaces Recommendation: Use 4 spaces for indentation. Never use the Tab key, and it is recommended that your editor automatically convert Tabs to 4 spaces. This makes it convenient; for example, you can … Read more

Understanding Macros in C Language

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In the C language, #define is a preprocessor directive used to define macros. Essentially, it replaces the macro name with specified content before compilation, and it can be categorized into two core usages: non-parameterized macros and parameterized macros. 1. Non-parameterized macros (constant definitions) are the most common scenario, where the macro name replaces constants (such … Read more

What is the Significance of the Design of Compound Assignment Operators in C Language?

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What is the Significance of the Design of Compound Assignment Operators in C Language? By Luo Guangxuan A question that can easily confuse people. Question: The C language has introduced the design of a “compound assignment operator”. If we simply think:c1 += 4 is equivalent to c1 = c1 + 4, if everything is just … Read more

Detailed Explanation of C++ Variable Naming Rules

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Importance of Variable Names In C++ programming, choosing meaningful variable names is the foundation of good programming practices. Variable names should clearly express the purpose of the variable, making the code more readable and maintainable. C++ Variable Naming Rules 1. Basic Naming Rules #include <iostream> using namespace std; int main() { // ✅ Valid variable … Read more

Detailed Explanation of C++ Variable Naming Conventions

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The Importance of Naming Conventions In C++ development, a good naming convention not only improves code readability but also enhances team collaboration efficiency. Although compilers do not care about naming styles, consistent naming conventions are crucial for code maintenance. Common Naming Conventions 1. Basic Naming Styles #include <iostream> #include <string> using namespace std; int main() … Read more

Commenting Standards for Embedded C Language Coding

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What is important when looking at source code? Besides various coding standards, one significant aspect is comments. Although writing comments can be painful, they are crucial for ensuring code readability. Below, we will discuss how and where to comment. Commenting Style 1. Overview Generally, use // or /* */; just ensure consistency. 2. Explanation Both … Read more