Spring Boot Task Scheduling

2.1.12 Timing Tasks The Spring framework comes with task scheduling capabilities that are like a lightweight Quartz and are easy to use without relying on other JAR packages. Simply add @EnableScheduling to the project master startup class to turn on task scheduling @SpringBootApplication @EnableScheduling public class LearnApplication { p ...

Added by Desbrina on Mon, 15 Jun 2020 21:10:56 +0300

Event handling and notification event handling

1, Overview Interaction with users is an essential part of mobile applications. Gesture detection provided in Flutter is GestureDetector. The gesture system in Flutter is divided into two layers: The first layer is to touch the original event (pointer) PointerDownEvent: the user contacts the screen PointerMoveEvent: the finger has mo ...

Added by evolve4 on Sat, 06 Jun 2020 06:55:21 +0300

From the beginning to the end of the separation [Vue 2.0 +. Net core 2.1] 15 ║ Vue Foundation: JS object-oriented & literal & this word

origin Book to front< From the beginning of the front and back end separation [VUE 2.0 +. Net core 2.1] 14 ║ VUE plan & a brief history of my front and back end development >, yesterday we talked about several stages of web development experience explained by my experience, and also the knowledge points that Vue series need to tal ...

Added by classic on Sun, 12 Apr 2020 08:42:59 +0300

go language series -TCP programming

TCP programming One of the main design goals of Go is to face the large-scale back-end service program. Network communication is the server, and the program is an indispensable and vital part Basic introduction of network programming There are two kinds of network programming Tcp socket programming is the mainstream of network programming. It i ...

Added by kat89 on Wed, 08 Apr 2020 08:05:01 +0300

Introduction to web front end: css box model + background and list

Value of border style: none no dotted dot dashed dotted line Solid solid line Double double solid line margin: If two adjacent elements have outer margins set in the vertical direction, the outer margins will be merged Merge height = the larger of the two outer margins that merge Actual height of element = top border + top inner margin + co ...

Added by dysonline on Mon, 06 Apr 2020 05:18:26 +0300

In depth analysis of routing -- front end beginners can also develop vue e e-commerce projects

What is the route? Why use routing? What is the function of routing? Can I write the source code of route jump? After finishing the routing part, the four company strike made me think deeply. Let's learn vue router's wings~ This is an e-commerce project demo based on vue & Axios & mock & t ...

Added by jeny on Sat, 29 Feb 2020 07:10:48 +0200

Gong Service for Smooth Restart Analysis

Smooth restart means that our programs can be restarted without interrupting service, seamlessly linking up old and new processes, and deploying Zero-Downtime. Smooth restart is based on elegant exit, as described in a previous article: Golang uses the Shutdown feature to gracefully summarize the exit of http services There are two main strateg ...

Added by justinjkiss on Thu, 27 Feb 2020 04:15:47 +0200

An analysis of the calculation principle of search scoring in elastic search

Several key words of search scoring calculation TF: token frequency, the number of times a search field appears in the field (the field to be searched) in the document after segmentation IDF: inverse document frequency, reverse the frequency of a search field in all documents TFNORM: token frequency normalized BM25: algorithm: (freq + k ...

Added by millwardt on Fri, 21 Feb 2020 17:53:35 +0200

The realization of a Python intelligent chat robot for Valentine's Day

  First package required by the project import urllib.request import urllib.parse from tkinter import * import time PS:Many other people are learning Python In the process, I often give up because I can't solve the problem or I don't have a good tutorial. For this reason, I sorted out the basic python Script to web Development, reptile dja ...

Added by sidney on Fri, 14 Feb 2020 18:06:02 +0200

Koa compose source code interpretation

koa koajs: next generation web framework for node.js. Koa is the next generation web development framework based on Node.js. It is a simple and easy-to-use web framework based on middleware mechanism, which is elegant, concise, expressive and free. Web applications with specific functions are realiz ...

Added by amarafzal on Sat, 11 Jan 2020 14:33:28 +0200