• JS can also be so romantic, using JS to write down a world (VR)


    Let’s first feel the above image, taking Disney castle as an example. Are you excited? Do you think it’s going to be complicated to implement this cool special effect? No, there are only two steps to achieve this effect We need a panoramic view Configure with photo-sphere-viewer.js (a JavaScript library for panoramic image display) You […]

  • Angularjs bootstrap model


    index.html <!DOCTYPE html> <html> <head> <meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″ /> <title></title> <meta charset=”utf-8″ /> <link href=”http://cdn.bootcss.com/bootstrap/3.3.6/css/bootstrap.min.css” rel=”stylesheet” /> <script></script> </head> <body> <div ng-app=”app” ng-controller=”ctrl”> <p>{{point|json}}</p> <a class=”btn btn-primary” ng-click=”show()”>click show</a> </div> <script></script> <script></script> <script></script> <script></script> <script> ‘use strict’; var app = angular.module(‘app’, [‘ngAnimate’, ‘ui.bootstrap’]) app.controller(‘ctrl’, function ($scope, GdMapModalService) { $scope.point = {} $scope.show = function […]

  • Apache APIs IX DevCon 2020 registration!


    It took only 15 months for Apache apifix to go from the obscurity of the first line of code to the top-level project of the Apache foundation. In this process, Apache apifix has been developing rapidly and iteratively. Of course, this is inseparable from the contributions of more than 130 contributors, the support of thousands […]

  • Case description and proof of Paxos algorithm


    Case introduction stay”Paxos Made Simple”In terms ofpaxosTherefore, we first introduce a case which is easy to understand as a foreshadowing. The purpose of the case is to express it through more visualized logicpaxosThe idea of the algorithm does not necessarily agree with each other in details, but it will promote the understanding of subsequent algorithms […]

  • ABAP implementation of geohash


    A few days ago, someone in the group asked ABAP if there was a geohash function to help SAP store store location and find nearby stores. Because I didn’t find it, I wrote one.   What is geohash Geohash is a public domain geocoding system, which encodes a geographic location into a series of letters […]