Summary: uLog is a tool that, once integrated into your embedded project, can immediately print out information such as “Where did I go?” and “Where did it go wrong?” It is compact, low overhead, and user-friendly. What is uLog? uLog is a logging library specifically designed for resource-constrained MCUs (Microcontrollers), consisting of only 1 header … Read more
CO: An Efficient and User-Friendly C++ Foundation Library In the field of C++ development, CO (coost) is a highly regarded cross-platform foundation library. It focuses on performance and ease of use, aiming to make C++ programming simpler, easier, and more efficient. The CO library is feature-rich, covering multiple aspects from command line parsing to network … Read more
Keywords for this issue:<span>logging</span>、<span>traceback</span>、<span>cProfile</span>、<span>timeit</span>、Code Debugging and Optimization Difficulty: Beginner → Essential Skills for Advancement 📌 I. Basics of logging 1. Print simple logs import logging logging.basicConfig(level=logging.INFO) logging.info("Program started") 2. Customize log format import logging logging.basicConfig( level=logging.INFO, format="%(asctime)s – %(levelname)s – %(message)s" ) logging.warning("This is a warning") 3. Write logs to a file import logging logging.basicConfig( … Read more
Chapter Objective: Master the structured organization of large Shell projects to enhance script engineering capabilities. 1. Why Modularization and Structuring? As the size of scripts increases: Maintenance of single files becomes difficult Repeated development of different functionalities Lack of reusability and configurability Difficulties in debugging and collaboration Modularization and structuring can solve these problems, allowing … Read more
Follow+Star PublicAccount to not miss exciting content Source | Embedded Miscellaneous In embedded development, logging and debugging are undoubtedly the most commonly used and practical debugging methods. However, many engineers may not fully leverage the power of logging! Today, I will share several logging techniques to help you progress from a “printf novice” to a … Read more
Clue: A Lightweight C++ Logging Library In C++ development, logging is an important aspect that helps developers better understand the program’s runtime state and quickly locate issues. Clue is a very compact and practical C++ logging library. Introduction Clue is a single-file header library, which means it is very lightweight and easy to use. It … Read more
1. Summary of Methods and Properties of the HTTP Object in the JS Module <span>r.args</span> Request parameters, case-sensitive, read-only. Values of repeated parameter names are converted to an array. For example, <span>'a=1&b=2&A=3&b=4&B=two%20words'</span> is converted to <span>r.args</span>, resulting in <span>{a: "1", b: ["2", "4"], A: "3", B: "two words"}</span>. <span>r.done()</span> After calling this function, the next … Read more
Cocoyaxi: An Elegant and Efficient C++ Foundation Library In the field of C++ development, there are many excellent libraries to choose from, and Cocoyaxi (abbreviated as co) is undoubtedly one of the best. It is a cross-platform C++ foundation library that supports various operating systems such as Linux, Windows, and Mac. Cocoyaxi was developed by … Read more
Keywords for this issue: unit testing, debugging, code style, static analysis, logging Difficulty: Beginner → Practical Advancement 📌 I. Basics of Unit Testing 1. What is the built-in unit testing framework in Python? Explanation Built-in framework: <span>unittest</span> Common third-party frameworks: <span>pytest</span> (more concise and efficient, frequently asked in interviews) 2. Write a simple unit test … Read more
Today, I want to share some “unconventional” yet extremely useful tricks in embedded development that seasoned veterans rarely disclose! First Technique: Hardware Issues? Pass the Buck First!If you encounter a program crash, don’t rush to modify the code! First, check if the hardware layout matches the schematic. Our project was delayed last time because a … Read more