Differences Between Python and C LanguageExplained in Simple Terms by a Northeastern Senior——Py&C—— Understand the differences between Python and C language in just 3 minutes! A Northeastern senior speaks the truth, stop saying you can’t tell them apart! Let’s talk about it. Do any of you feel that when programming languages are mentioned, Python and … Read more
👆Click the blue text "Linux Armory" at the top, and select "Add to Favorites" in the upper right corner to not miss out on great articles and see valuable content first. 👆FollowLinux Armory, to receive hardcore Linux learning materials and code. Today, let’s revisit smart pointers in C++. In C++ resource management, manually using <span>new</span>/<span>delete</span> … Read more
This article compares the use of pointers in Go and C/C++, understanding how Go’s pointer design addresses the safety issues inherent in C/C++ while retaining their advantages. Original text:Pointers Made Painless: How Go Solves C/C++’s Biggest Headache[1] Few things in the world possess both strength and fragility in the same characteristic. In the realm of … Read more
A Comprehensive Guide to Linux Server Performance Troubleshooting Server Performance Troubleshooting Introduction: At 2 AM, my phone suddenly buzzed—”CPU usage has soared to 95%!” As an operations engineer, have you ever experienced such a “firefighting” moment? Don’t panic! Master this set of performance troubleshooting “combination punches”, and you can identify the root cause in 3 … Read more
During the use of Linux systems, many users find that the system’s memory usage seems to always be high, even shortly after startup, consuming a large amount of memory. This is in stark contrast to the memory management methods of Windows systems, often raising concerns about system performance. This article will delve into the reasons … Read more
If you often browse the default files in Linux, you must have an impression of /dev/null and /dev/zero, or you might have seen shell code like this:> /dev/null 2>&1. It is a special character device file in the Linux system, commonly referred to as the “null device” or “black hole device.” It occupies a fixed … Read more
In embedded development, adding the <span>static</span> modifier before variables and functions is a very important practice that primarily serves three core purposes: limiting scope, extending lifespan, and controlling memory allocation. This is particularly crucial for resource-constrained embedded systems that require high reliability. Here is a detailed explanation: 1. Using <span>static</span> for Variables a) Static Local … Read more
In Rust, <span>str</span> and <span>String</span> are two core types for handling text data, and they have essential differences in memory management, ownership, and mutability. The table below summarizes their core differences for quick understanding: Feature <span>String</span> <span>str</span> (<span>&str</span>) Ownership Owns the data No ownership, it is a borrowed reference Mutability Mutable Immutable Storage Location Data … Read more
After a few busy days, I haven’t had the chance to focus on this topic. Today, on my business trip back to Beijing, I reflected on it and thought it was necessary to back up the linked list. 1. What is a Linked List? A linked list is a data structure composed of a series … Read more
1. Common GDB Commands 1. Basic Commands 1.1. Start Debugging gdb test.elf 1.2. View Disassembly # Set style to view disassembly set disassembly-floavor intel disassemble # Disassemble current instruction disassemble $pc, $pc+0x100 1.3. View Functions info functions 1.4. Print Addresses # Print variable address Print function address print &var print test_function 1.5. GDB Remote Connection … Read more