SpringBoot from getting started to giving up, Chapter 3

I. static resource mapping rules In the springBoot project, the relevant configuration of springmvc is in the webmvcauautoconfiguration class public void addResourceHandlers(ResourceHandlerRegistry registry) { if (!this.resourceProperties.isAddMappings()) { logger.debug("Default resource handling disabled"); return; ...

Added by themistral on Wed, 13 Nov 2019 12:02:12 +0200

HTML5 Web SQL database

The Web SQL database API is not part of the HTML5 specification, but it is an independent specification that introduces a set of APIs that operate client database using SQL. If you are a Web back-end programmer, it should be easy to understand the operation of SQL. You can also refer to our SQL tutorial Learn more about database operations. ...

Added by leenoble_uk on Thu, 10 Oct 2019 02:25:55 +0300

Limited size, type judgment, pixel judgment for uploading pictures

input tags are often used in projects to upload files, which are usually picture files. Pictures have many formats. We only need several of them. We need to validate the files uploaded by users. There is a new attribute in HTML5: accept file type restriction. But usually we use javascript or jQuery t ...

Added by z1haze on Thu, 03 Oct 2019 07:27:24 +0300

A series of front-end tutorials for background programmers (18) - Composite selector

Complete Handbook of C Language Self-study (33 articles) Android Multiresolution Adaptation Framework HTML5 Front-end Development Practical Course Series MySQL Database Practical Tutorial (35 Graphics Edition) Overthrow Yourself and Past - Custom Vi ...

Added by steve448 on Sun, 08 Sep 2019 13:18:51 +0300

Introduction and use of Ajax

Basic Ajax concepts Ajax is all called Asynchronous JavaScript and XML (asynchronous JavaScript and XML). With a small amount of data exchange with the server in the background, Ajax enables asynchronous updates to a Web page, allowing updates to ...

Added by EZE on Mon, 02 Sep 2019 04:56:54 +0300

Ten new features of HTML 5

Ten new features of HTML 5 (1) Semantic tags (Semantic tags provide better page structure for pages). Semantic tags for HTML5 include: <section> - Represents a paragraph or section in a document; Nav > - Used to build navigation; <article> - Represents integrated content in documents, pages, applications or websites; <a ...

Added by aliahmad on Wed, 24 Jul 2019 06:40:21 +0300

Make a progress bar for a simple music player

Because recently I was writing a music player and wanted to do a whole project to write a blog, but I couldn't restrain the power of the flood and famine in my body. In fact, I decided to sort out some knowledge points for fear of writing long. Let's first look at the audio tags from HTML5 Definition of audio The audio tag defines sound, such a ...

Added by danielhalawi on Wed, 03 Jul 2019 01:18:39 +0300

Android WebView and JS pages call each other (4)

WebView should still be used very frequently in current projects. Personally, I always think HTML5 is a trend. Find something to sum up here. At the end of this article, there is a very good Html5Activity loading class. If you don't want to see it, you can download it directly. WebSettings WebSettings webSettings = mWebView .getSetting ...

Added by Elusid on Sat, 29 Jun 2019 03:28:50 +0300

HTML/CSS Learning Records (5)

HTML < div > and < span > HTML elements can be combined by <div> and <span>. HTML Block Elements Most HTML elements are defined as block-level elements or inline elements. Block-level elements usually start (and end) with new lines when displayed in browsers. Examples: <h1>, <p>, <ul>, <table ...

Added by Stoker on Sat, 15 Jun 2019 03:58:11 +0300

CSS3 Warm-up Actual Warm-up - Transition and Animation (to achieve cool drop-down, accordion, seamless rolling)

1. Preface I have written more than a dozen articles in my column, all related to js. I haven't written any articles about CSS3 yet. Css3, it gives me the feeling that it's not difficult, but it's hard to play freely. Today, we use CSS3 to achieve three special effects. I hope these three special effects can inspire you. We use CSS3 to make bet ...

Added by Stegs on Sun, 09 Jun 2019 02:49:29 +0300