The storage architecture used by postgresql touches the storage structure and organizational form of real data. The data stored in the database is originally here

Storage architecture ?Column content: Postgresql kernel source code analysis handwritten database toadb concurrent programming Profile: My homepage Motto: When the sky is healthy, a gentleman strives for self-improvement; if the terrain is good, a gentleman carries virtue. Overview When the postgresql database service is running, how is the data stored on the disk? This involves […]

Vue + Leaflet loads the world map + loads wmts tiles + dynamically draws polygons + touches hands

It’s not easy to create, if you like it, please bookmark + pay attention to encourage me~ Split analysis: npm install leaflet –save npm install leaflet.wmts –save main.js import //Leaflet global configuration import L from ‘leaflet’ import ‘leaflet/dist/leaflet.css’ import ‘leaflet.wmts’ Vue. use(L) <div id=”viewDiv4″ class=”viewDiv”></div> Initialize the map initLeaftMap() {<!– –> // if (this. map) […]

[Solved] Git: LF will be replaced by CRLF the next time Git touches it’ problem solving and thinking

Article table of contents 1. Problems 2. Problem Analysis 3. Solutions Fourth, problem thinking 1. Questions When performing git add on the windows platform, the console prints a warning warning: in the working copy of XXX.py’, LF will be replaced by CRLF the next time Git touches it 2. Problem Analysis Dos/Windows platform default line […]