Tutorials & Guides Archives - Page 6 of 320

C++ Programming Lesson 12: Detailed Explanation of the while Loop and Its Principles

2026-07-20 by boardor

🚀 C++ Programming Lesson 12: Detailed Explanation of the while Loop and Its Principles — Flexibly Handling “Unknown Iterations” 📚 Course Navigation 1、🤔 Why do we need the while loop? (The “limitations” of for loops and the “advantages” of while loops)2、🌟 Syntax structure of the while loop (A concise and intuitive “condition-driven” model)3、⚙️ Execution principles … Read more

GESP Level 3 C++ Programming (55C++): Palindrome Concatenation – A Challenging Problem

2026-07-20 by boardor

For the GESP Level 2 Exam: C++ 202409 Level 3 Palindrome ConcatenationThis is a challenging problem. For students, understanding palindromes is relatively simple, but if they do not read the problem carefully and consider the constraints, the algorithm becomes quite complex.Problem statement: Solution Approach: First: it is essential to read the problem carefully and not … Read more

Daily C++ Challenge – Day 902

2026-07-20 by boardor

Today is the 902th day of learning programming with the cool drizzle! Hello, everyone! This is the GESP202509 Level 2 test. Day 902 GESP202509 Level 2 Multiple Choice Question Question 14 For the following C++ code execution, the output is ( ). A. 196 -1 B. 27 9 C. 98 97 D. Uncertain Answer: A … Read more

C++ Binary Search

2026-07-19 by boardor

Part 1: Basic Concepts 1.1What is Binary Search? Binary search is an algorithm for quickly finding a target value in a sorted array. It rapidly locates the target by continuously halving the search range. Basic Idea: Just like looking up a word in a dictionary: Open to the middle of the dictionary If the word … Read more

The Path to Full Marks in GESP C++ Level 4 (Latest Version November 2025)

2026-07-19 by boardor

“Detailed Explanation of the GESP Examination Syllabus | C++ Level 4”Grade Examination of Software ProgrammingC++ Certification Knowledge System (Level 4)1. Assessment Objectives Master the basic usage of C++ pointer types, two-dimensional and multi-dimensional arrays. Through learning related to functions, grasp the modular design concept and develop the ability to write custom function programs. Master file … Read more

Quick Configuration Guide for C/C++ Development Environment (Without CMake) Using External Tools in IDEA: Macro Variables + Clion (JVM Parameter Table)

2026-07-19 by boardor

🚫 Paid Plugin Users Please Skip 🎯 Free Users, Multi-language Warriors, and Unified IDE Faithful, Please Continue 💡 Want to experience the thrill of “learning multiple languages with one IDE”? This guide is your answer! 🙏 Hello everyone! Recently, I’ve been working hard on updating the “Four Language Synchronized Learning” tutorial, and the C/C++ series … Read more

Grandfather’s 11-Year-Old Dragon Bone Plant Fails to Survive: What Went Wrong with Monthly Watering?

2026-07-19 by boardor

It’s heartbreaking to see an eleven-year-old dragon bone plant suddenly wither away. The grandson from Fujian must feel like crying, as this plant was meant to bring peace to the home. How did it suddenly start to wilt from the bottom? Actually, I’ve seen this situation many times. Many people think dragon bone plants are … Read more

Linux System Troubleshooting Guide

2026-07-19 by boardor

1. System Resource Monitoring 1.1 CPU Issue Diagnosis # Check CPU usage top htop # Sort processes by CPU usage ps aux –sort=-%cpu | head # Check CPU information lscpu cat /proc/cpuinfo # Monitor CPU usage mpstat -P ALL 1 # Check interrupt statistics cat /proc/interrupts 1.2 Memory Issue Diagnosis # Check memory usage free … Read more

Common Linux Commands (2)

2026-07-19 by boardor

11. vim vim is the built-in text editor of the Linux system, which can be understood as the Word software in the Windows system. :w filename saves the document with the specified filename. :wq saves and exits. :q! exits without saving and forces exit from command line mode. Function keys: 1) Insert mode: Press "i" … Read more

A 3-Year-Old Programmer’s Linux Beginner Diary: Installing Arch Linux with UTM and Learning the Basics from Bird Brother

2026-07-19 by boardor

As a novice exploring Java, curious about Rust, and learning computer principles, I have always felt that “understanding operating systems” is a crucial step in becoming a better technician. Recently, I finally decided to tackle “Bird Brother’s Linux Private Kitchen” and installed the initial version of Arch Linux (a clean version without unnecessary configurations, perfect … Read more