This is a guide to overcoming key challenges in the GESP C++ Level 3 exam, summarizing core knowledge points, high-frequency exam topics, and preparation suggestions based on the exam syllabus and analysis of past exam questions, helping candidates to review efficiently: 1. Core Challenges and High-Frequency Topics 1. Data Encoding and Base Conversion Two’s Complement/One’s … Read more
Start taking reading notes from today.1. Get accustomed to C++item1:C++ is a language federation.C++ is a multiparadigm programming language that supports procedural, object-oriented, functional, generic, and metaprogramming styles.—11The main sub-languages are: C, Object-Oriented C++, Template C++, STL.—12item2:Try to replace #define with const, enum, and inline, using the compiler instead of the preprocessor.const char * const … Read more
As we enter the second half of the holiday the cold air begins to become active In the past two days, many places in the north have experienced strong winds and temperature drops This afternoon, the wind strength in our city generally increased especially in the eastern coastal areas By 3 PM, the wind strength … Read more
In the morning kitchen, boiled eggs gently roll in boiling water, and after peeling, the tender white wraps around the golden yolk… Eggs are a staple on the breakfast table for countless Chinese people. How can we eat eggs to truly extract their health benefits? 01 Why do boiled eggs hold the ‘Breakfast Crown’? 1. … Read more
Introduction: On November 14th at 2 PM, the Black Sesame Intelligent A1000 Chip Basic Software Development Online Seminar successfully concluded its live broadcast. The seminar was hosted by two technical experts: Li Kun, Technical Application Manager at Black Sesame Intelligent, and Li Yupeng, Automotive Electronics Basic Software Planning Architect & Head of Automotive Operating System … Read more
Introduction Toradex provides numerous security features for its software systems such as Linux, including Secure Boot, partition encryption, OP-TEE, etc., to help users meet security compliance. These features can be easily utilized by adding the meta-toradex-security layer developed by Toradex in the Yocto Project. In the following articles, we will introduce how to use these … Read more
(Add a star for Linux enthusiasts to enhance Linux skills) Author: Shouwang (This article is contributed by the author, see the end for a brief introduction) Introduction In fact, the unassuming ‘!’ has many astonishing uses in Linux. This article will enumerate those magical uses of ‘!’ in detail. Execute the Previous Command For example, … Read more
Recently, researchers have discovered a brand new Linux rootkit—Curing—that can successfully bypass existing security tools through the io_uring interface in the Linux kernel, rendering it invisible in the system and even evading detection by modern enterprise-level security software. The io_uring interface was introduced in the Linux 5.1 version to enhance I/O operation performance, aiming to … Read more
Compiled by | Zheng LiyuanProduced by | CSDN (ID: CSDNnews) In the open-source community, Linus Torvalds’ outbursts often trigger a wave of “mini-earthquakes”. Recently, the father of Linux has once again fired back — this time targeting a long-standing issue in file system development: case insensitivity (i.e., not distinguishing between uppercase and lowercase characters). He … Read more
In Linux system administration, the Principle of Least Privilege (PoLP) is one of the core principles of secure operations. Directly using the <span>root</span> user for operations carries high risks; it is recommended to create an administrator user with <span>sudo</span> privileges (such as <span>admin</span>) to reduce the impact of accidental operations and security threats. This article … Read more