Module 1 Question Number: J1-7, Network Construction and Configuration of Core Information Technology Co., Ltd. (1)Task description Core Information Technology Co., Ltd. is an emerging technology company engaged in network integration. Due to the recent rapid development of Internet technology, Core Information Technology Co., Ltd. has also developed rapidly. The number of employees in the […]
(J1-3) Tianze Information Technology Co., Ltd., DHCP, VLANIF, Eth-Trunk
Module 1 Question Number: J1-3, Network Construction and Configuration of Tianze Information Technology Co., Ltd. (1)Task description Tianze Information Co., Ltd.’s business has developed rapidly in recent years, and the number of employees has increased dramatically. The original network can no longer meet the growing needs of business. The company’s senior management asked Xiaohua, the […]
(J1-8) Xingrui Network Technology Co., Ltd. network construction and configuration | Eth-trunk, VLANIF
Module 1 Question Number: J1-8, Network Construction and Configuration of Xingrui Network Technology Co., Ltd. (1)Task description Xingrui Network Technology Co., Ltd. is an entrepreneurial technology company. Due to the recent rapid development of Internet technology, Xingrui Company has also developed rapidly. The number of employees in the company has increased sharply, and the original […]
Design and implementation of online course selection system based on Java (source code + lw + deployment documents + explanation, etc.)
Blogger Introduction: ?300,000+ fans across the entire network, csdn guest author, blog expert, CSDN Rising Star Program mentor, high-quality creator in the Java field, Blog Star, Nuggets / Huawei Cloud / Alibaba Cloud / InfoQ and other platforms are high-quality authors, focusing on the field of Java technology and practical graduation projects? Contact for source […]
Install Ubuntu system using VirtualBox [Nanny Level]
This article introduces in detail the use of VirtualBox to install the Ubuntu system and realize the sharing of pasteboards and shared folders between the virtual machine Ubuntu and the Windows system. It mainly includes the following five parts: Download the VirtualBox software installation package Download Ubuntu system image Install VirtualBox VirtualBox creates a new […]
14.10 Socket socket selection communication
For the server in network communication, it is obviously impossible to be one-to-one. What we hope is that the server can selectively communicate with a specific client when it is enabled, and when it does not need to communicate with the client , you only need to store the socket in the linked list and […]
DVWA File Inclusion
Table of Contents background allow_url_fopen configuration item allow_url_include configuration item function File contains concept DVWA LOW lab environment Source code analysis ?edit step MEDIUM Source code analysis ?edit HIGH Source code analysis file protocol concept Format The difference between a browser accessing files through file:// and http:// Notice Background allow_url_fopen configuration item allow_url_fopen is a […]
Vue Router – the use of routing, two switching methods, two parameter passing methods, and nesting methods
Table of Contents 1. Vue Router 1.1. Download 1.2. Basic use a) Introduce vue-router.js (note: it must be introduced after Vue.js). b) Create routing rules c) Register into the Vue instance d) Display routing components 1.3. Two ways to switch routes 1.3.1. Switching by label 1.3.2. Switch in js mode 1.3.3. There is a problem […]
c++ atomic variable-Memory fence
Excerpted from: https://github.com/apache/brpc/blob/master/docs/cn/atomic_instructions.md#cacheline English version We all know that locks are commonly used in multi-core programming to prevent race conditions from occurring when multiple threads modify the same data. When locks become a performance bottleneck, we always want to try to bypass it, and inevitably come into contact with atomic instructions. But in practice, it […]
CodeforcesCF1830D Mex Tree
Question link CF direction Luogu direction Question solution All along the path 0 0 0 would make the answer ? 1 -1 ?1, all 1 1 1 will make the answer ? 2 -2 ?2 Consider estimating the lower bound of the answer. An excellent solution is black and white dyeing Then the lower bound […]