How are spring application objects built? SpringBoot source code

Note: the source code analysis corresponds to spring boot version 2.1.0.RELEASE This connection What is the starting process of SpringBoot? Spring boot source code (7) Learn from the past Let's review the contents of the previous article. In the previous article, we analyzed the startup process of SpringBoot, and now we summarize the key steps: ...

Posted on Mon, 06 Apr 2020 04:56:42 -0700 by isam4m

cesium and geoserver use WFS service to realize layer editing (with source code download)

Preface Address of api documents on cesium official website cesium official website api , which details the introduction of each class of cesium, as well as the online example: cesium official website online example This is also a good material for learning cesium. Content overview 1.cesium and geoserver use WFS service to realize l ...

Posted on Sun, 05 Apr 2020 22:57:07 -0700 by pocobueno1388

Introduction to web front end to practice: css3 foundation - selector + border and fillet + background and gradient

Css3 * * selector related:** Section > div direct child element selector div + article adjacent sibling selector (appears after element) div ~ article universal sibling selector (appears after element) Property selector: a[href] { text-decoration: none; } a[href="#"] { color: #f00; } /*Contains two and property values are separated ...

Posted on Sun, 05 Apr 2020 15:05:11 -0700 by ajcalvert

Understanding of attribute semantics copy and strong

conclusion 1, How to distinguish [obj copy] from a deep copy or a shallow copy? 1. When the immutable type object calls copy copy, no new object will be generated, which belongs to shallow copy; 2. No matter other types of objects call copy or mutableCopy, new objects will be generated, which belong to deep copy (fol ...

Posted on Sun, 05 Apr 2020 13:33:11 -0700 by mikelmao

Solve the problem that the Zoom value of Arcgis dynamic layer is - 1

How to call dynamic map service Take a simple example: <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <link rel="stylesheet" href="http://192.168.2.118:8484/arcgis_js_a ...

Posted on Sun, 05 Apr 2020 01:52:34 -0700 by mrgym

iOS - control view, button

IBAction and IBOutlet IBAction is the return value, equivalent to void. Only when the return value is the method of IBAction, can the control in the storyboard be connected Only properties declared as iboutlets can be wired to controls in the storyboard In order to ensure that the control is not modified by other places and b ...

Posted on Sat, 04 Apr 2020 18:17:27 -0700 by jeff_valken

My eight brothers learn from Selenium(3): how to operate check box / radio box

Check box and radio box are two controls that are often used in Web sites. How to use Selenium to operate these two controls in web automation testing? Today, let's have a brief introduction practice! The html test page code is as follows: <html> <head> <meta http-equiv="content-type" content="text/html;charset=utf-8" /> ...

Posted on Sat, 04 Apr 2020 15:15:11 -0700 by coolex

Python web crawler notes (4): using selenium to get dynamically loaded content

(1) Description In the previous article, only one page of data can be downloaded. The data on pages 2, 3, 4.... 100 cannot be obtained. Based on the previous article, modify it and use selenium to get the value of the href attribute of all pages. Using selenium to simulate a browser is a bit cumbersome. For example, 300 pages are important 300 ...

Posted on Sat, 04 Apr 2020 11:50:00 -0700 by raffael3d

Common use of v-if in Vue

A small partner who has used Vue must have used the v-if attribute, but what is the main purpose of this attribute? What are its purposes? Here I summarize that there are generally two scenarios for using v-if: 1 - multiple elements display or hide an element through conditional judgment. Or multiple elements 2 - switch be ...

Posted on Sat, 04 Apr 2020 11:42:03 -0700 by Shawnaize

JavaScript DOM Event Model

JavaScript is an object-oriented and event-driven language. Event models are essential to DOM. Understanding event-driven mechanisms, event feedback, event bubbles, event capture, and event delegation can help us better handle events and write better code. Event Driven Mechanisms When an event occurs, we receive feedback from the event, whic ...

Posted on Sat, 04 Apr 2020 11:20:39 -0700 by RoBoTTo