Software System
Software System
Python basic syntax
Software System
Summary of git basic usage
Software System
Webpack pipeline basic work report
Software System
Physical copy backup mysql to other machine to restore
Software Testing
Software Testing

Mac build appium automated test environment Xcode 11.3

... Ella
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Software Testing

Southeast University graduation thesis latex template

... Silas
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Software Testing

SpringBoot+Vue complete takeaway system, mobile terminal and background management, you can play!

... Eric
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Performance optimization-Caton detection tool

... Henry
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Software Testing

[Operation and maintenance] Ansible, an automated operation and maintenance tool in practice

... Andrea
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Software Testing

Installation and testing of Mac node js environment

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Software tools
Software Tools

Permission system basic knowledge notes

I have always wanted to implement a relatively complete authority control system. In the course of practice, some basic knowledge related to permissions is summarized. Prepare to implement the authority management of the RBAC model based on go-micro + Casbin + And-Design-Pro. Warehouse address: Accbase What are the permissions? Permission management is a module often involved in the back-end system. It mainly controls the permissions of different users to access resources to avoid risk problems

... Jesse
schedule 7 min read
Software Tools

Store the function in the module (2)

Import specific functions: from pizza import make_pizza make_pizza(16, 'pepperoni') make_pizza(12, 'mushrooms', 'green peppers', 'extra cheese') Only the make_pizza function in pizza.py is imported here. If this syntax is used, there is no need to use a period when calling the function. Import all functions: from pizza import * make_pizza(16, 'pepperoni') make_pizza(12, 'mushrooms', 'green peppers', 'extra cheese') The asterisk in the import statement tells Python to copy every function in the m

... Londyn
schedule 2 min read
Software Tools

Build a fully functional mobile shelf based on vue-cli3.0

Vue-cli4 has been upgraded, click me to view Based on vue-cli3.0 to build a fully functional mobile terminal shelf, the main functions include webpack package extension css: sass support, normalize.css, _mixin.scss, _variables.scss vw, rem layout Cross-domain settings eslint settings cdn introduced Routing design, login interception axios, api design Vuex state management Project address: vue-cli3-H5 Demo address: zhouyupeng.github.io/vuecli3H5/#... webpack package extension After vue-cli3.*, th

... Londyn
schedule 11 min read
Software Tools

Explore RxJS-make a small github app

This article is a practical tutorial on RxJS, using RxJS and github API to build a small github application step by step. Therefore, the focus of the article is to explain the use of RxJS, while the ES6 syntax, webpack and other knowledge points involved are not explained. All the code of this example is in the github repository: rxjs-examplePS: Zhihu's editor is really the hardest to use I have ever used, so if you want a better reading experience, please move to: github/Coding-Guide: Explore

... Adeline
schedule 16 min read
Software Tools

memcpy is too slow? Master this technology to double the efficiency of memory copy

Cover from: Chestnut is too lazy memcpy is a standard function of C/C++. The prototype void *memcpy(void *dest, const void *src, size_t n) is used to copy n bytes from the starting position of the memory address pointed to by the source src to the target In the starting position of the memory address pointed to by dest. neon is a 128-bit SIMD (Single Instruction, Multiple Data) extended structure suitable for ARM Cortex-A series processors. neon supports one command to process multiple data, suc

... Melanie
schedule 3 min read
Software Tools

3D computer room data center visualization based on HTML5 WebGL and VR technology

Preface In 3D computer room data center visualization applications, with the continuous popularization and development of video surveillance networking systems, network cameras are more used in surveillance systems, especially the advent of the high-definition era, which has accelerated the development and application of network cameras. While the number of surveillance cameras continues to grow, the surveillance system is faced with severe status quo problems: massive amounts of video are scatt

... Liam
schedule 16 min read
Database Technologies
Database Technologies

UME-Rich Flutter debugging tool

background At present, the Flutter business scene on the author side of Watermelon Video has covered 80% (including the video playback scene). The core scene on the user side, including my Tab, is also Flutter. During the development process, some problems were exposed, debugging was difficult, and the IDE was left. Afterwards, it s like catching the blind, PM design QA acceptance process can not get useful information, I found a circle on the market, and there is no powerful debugging tool like

Database Technologies

The development history of cloud database MySQL

Want to know more about MySQL database: Getting started with MySQL database (This course takes you to understand the world of databases through the most popular open source database MySQL. Let Xiaobai also be able to master common database usage skills and understand the storage structure of databases, suitable for introductory database learners and front-end learners!) The history of MySQL can be traced back to 1979. At that time, Oracle was just a little trouble, and there was no shadow of Mic

Database Technologies

SpringBoot integrates docker

1. What is docker? Introduction Docker is an open source engine that can easily create a lightweight, portable, and self-sufficient container for any application. Developers can compile and test containers on their laptops and deploy them in a production environment in batches, including VMs (virtual machines), bare metal, OpenStack clusters, and other basic application platforms. Application scenarios of docker Automatic packaging and publishing of web applications; Automated testing and contin

Database Technologies

Detailed graphic explanation: memory is always insufficient, I rely on HBase to persuade the Leader to escort the new project

Hello everyone, I'm Xiao Yu Recently used in the work of Hbasethis database, but also the way to make a record about Hbase of knowledge to share with everyone. In fact, Hbase's content system is really many, many, here are some technical points that Xiaoyu thinks will be used in his work, I hope it can help everyone. It can be said that the Internet is built on all kinds of databases, and now there are so few mainstream database: the MySQLrepresented and its distributed relational database solu

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