Software System
Software System
Nextjs for everyone with some basic knowledge of React
Software System
Summary of Java learning advanced Servlet entry knowledge
Software System
Use ACL tool to backup and restore Linux file permissions
Software System
Summary of detailed and abbreviated ways of background in CSS
Software Testing
Software Testing

The principles of AB testing that I learned with millions of users on Expedia

... Steven
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Software Testing

Time-saving and efficient tool articles! A collection of 25 design tools you can't miss

... Christopher
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Software Testing

Why does the automated test fail? (Good in-depth article, strong recommendation )

... Molly
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Software Testing

React v16.9 H5 template

... Daisy
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Software Testing

Self-test catalog

... Angelina
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Software Testing

A brief introduction to the implementation of Android automated testing tools

... Grayson
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Software tools
Software Tools

Problems caused by incorrect operating system time

background During the development process recently, I encountered a problem of incorrect data query results caused by incorrect server time. The code (web application using Springboot) is roughly as follows: ...... ...... ...... private MessageCenterService messageCenterService; public List<Message> getMessageInOneMonth(String userId) { // LocalDateTime now = LocalDateTime.now(); // LocalDateTime oneMonthBefore = now.minusMonths(1L); return messageCenterService.getMessage(userId, oneMonthB

... Jason
schedule 3 min read
Software Tools

Android technology stack (1) migrate from Activity to Fragment

This article has been authorized to publish exclusively on the WeChat public account guolin_blog ( ) 1. First of all, what is Fragment? FragmentYes Android, the view life cycle controller (customization with life cycle View) is part of the Activityupper Viewhierarchy. Generally, it can be regarded as a lightweight Activity. Compared with the traditional Activity, it only takes up fewer resources. And provide larger codes , ultra-low versions, etc. Using it Fragment, even on platforms with poor i

... Bennett
schedule 18 min read
Software Tools

Android recipe recommendation system (front android native, background java, SSH, mysql)

Android recipe recommendation system (front-end android native, back-end java, SSH, mysql) (Graduation thesis more than 13679 words, a total of 36 pages, program code, MySQL database)                                            Project source code[ Operating environment ] MyEclipse (background) Eclipse (foreground) JDK1.7 tomcat7[ Technology stack ] JAVA, JSP, mvc, SSH, MYSQL, HTML, CSS,

... Miguel
schedule 2 min read
Software Tools

Medical logistics system based on HTML5 WebGL

PrefaceThe simple understanding of the Internet of Things (IoT) is that objects are connected through the Internet. Everything in the world can be managed intelligently through data changes. The rise of IoT has the potential to save lives in the medical industry. Continuous collection of user information and real-time diagnosis, so the application of IoT in the medical industry will definitely be covered in the future. The following is a medical logistics system I recently built to observe the m

... Nolan
schedule 7 min read
Software Tools

Under the digital transformation, what will happen to the development path of APP in the future?

The development of APP on smartphones has been the main way companies have provided services to customers in the past ten years. Looking back at the development history of APP in the past ten years, it has basically gone through three stages: 1. The enterprise needs to be equipped with two mobile R&D teams, namely iPhone and Android. However, the languages and technical concepts used by the two groups of personnel are different, which often results in functions that cannot be synchronized in

... Paige
schedule 3 min read
Software Tools

Blockchain technology in the eyes of a programmer

Why should I write this article? When learning about blockchain-related information (such as the content on Wikipedia), I found that the content is very fragmented and incoherent. It takes a lot of time to integrate these pieces of information together to form a complete view. But now, I think I already know what to use when introducing the blockchain, and in what order to understand them, so that developers can see the complete view in 1 to 1.5 hours. The content of this article has been simpl

... Ayden
schedule 12 min read
Database Technologies
Database Technologies

A simple tutorial on where to turn on the USB debugging mode for OPPO F5

Often when we use PC to connect to Android phone via data cable, if the phone does not turn on the USB developer debugging mode, the PC will not be able to successfully read our phone, so we need to find ways to turn on the phone s USB developer debugging mode, as follows We will record a tutorial on how to enable the USB developer debugging mode for OPPO F5. First of all, click Set ICON on the OPPO F5 application interface to enter the OPPO F5 system settings interface. Next, click on the syste

Database Technologies

Detailed explanation of Python development technology

Detailed explanation of Python development technology download address pan.baidu.com/s/1KTrk3B1s... Scan the QR code below and follow the public account to reply 100089 to obtain the sharing code. The directory structure of the book is as follows: The first python language basics Chapter 1 python overview 1.1 python introduction 1.2 python characteristics 1.3 the first python program 1.4 build development environment 1.4 .1 Download and installation of python 1.4.2 How to use interactive command

Database Technologies

MarkdownLint error explanation

Preface Recently I used VSCode to write markdown files. The editor has been prompting me with a plug-in called markdownlint. After using it, I feel very good. It can help me write more standardized articles, so I recorded all the error messages for searching. MD001-Heading levels should only increment by one level at a time The number of heading levels can only be expanded by one at a time, that is to say, headings cannot be created every other level, and must be h1-h2-h3... MD002-First heading

Database Technologies

From scratch handwriting cache framework redis (13) HashMap source code principle explained in detail

Why learn HashMap source code? As a Java developer, basically the most commonly used data structures are HashMap and List. The design of jdk's HashMap is still worthy of in-depth study. Whether in an interview or at work, knowing the principles will help us a lot. The content of this article is longer, it is recommended to collect it first, and then savor it carefully. Unlike simple source code analysis on the Internet, it is more about the design ideas behind the implementation. The content inv

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