Front-end vue, jquery / background java to generate two-dimensional code
Recent projects need to develop the function of generating two-dimensional codes to facilitate the publicity and use of products, so I went to research, the following is the research results.
1. Using jquery to generate two-dimensional codes
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<ti ...
Posted by kripz on Tue, 01 Oct 2019 05:38:29 +0200
Read PDF documents, vudroid(Android)
Links to the original text: https://my.oschina.net/gal/blog/200182
Code modification from there( Summary of Open Source Android pdf Reader Development ) The author shared the code of G ...
Posted by HoangLong on Tue, 01 Oct 2019 00:47:09 +0200
elementUI upload checks the width and height of the picture
Preface
In the process of using vue+elementUI, I encountered a problem: upload checks the width and height of the picture
At first, I went directly to Baidu google and found that there was no such problem. This should be a very common requirement. Why didn't element ation come true? Maybe it's very simple. There are no such problems on the in ...
Posted by pestilence669 on Tue, 24 Sep 2019 14:12:08 +0200
9. Zhang Long netty Learns Grpc
gRPC
why gRPC?
gRPC is a modern open source high performance RPC framework that can run in any environment. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking and authe ...
Posted by kyllerj on Sun, 15 Sep 2019 11:16:05 +0200
Front-end Basic Exercises - Implementing JD Top Navigation
Preface
Jingdong is a typical e-commerce website. It is valuable to learn how to make this website. We are going to develop with WebStorm.
The screenshot of the front page of Jingdong is as follows: http://img.smyhvae.com/20180119_1653.jpg
Page P ...
Posted by 9three on Thu, 12 Sep 2019 11:14:11 +0200
Ribbon Load Balancer Source Parsing
Preface Ribbon Load Balancer Flow chart of Ribbon load balancer Implementation Principle of Ribbon Load Balancer Judging Service Availability Choosing an available service based on load balancing strategy IRule Initialize access to all service lists
Preface
What is load balancing? Simply speaking, an application can be supported by m ...
Posted by fisicx on Mon, 09 Sep 2019 16:57:06 +0200
List, Three Nets in One
In python, a list is represented in square brackets, []
Within square brackets, it can be int, str-type data, or even Boolean values such as True/False.
a=[] #A variable a is defined, which is list type and empty.
print(type(a))
print(bool(a)) ...
Posted by arth on Mon, 09 Sep 2019 14:30:28 +0200
C# HtmlAgilityPack+Selenium crawls page content that requires scrollbars to be pulled
Nowadays most websites load the content of pages with the sliding of scrollbars, so it is impossible to get all the content of pages simply by getting Html of static pages. Using Selenium, you can simulate a browser pulling a slider to load all page content.
previously on
C#HtmlAgilityPack crawls static pages
Introduction to Selenium
Selenium ...
Posted by chadt on Thu, 05 Sep 2019 07:45:01 +0200
Introduction to Cesium 9 - Loading and Styling Entities
Now that we have set up the stages of Viewer configuration, imagery and terrain for our application, we can add geocache data, the main focus of our application.
To facilitate visualization, Cesium supports popular vector formats GeoJson and KML, as well as an open source format of our own team. We specially developed [] CZML] for describing Ce ...
Posted by trace on Thu, 05 Sep 2019 05:56:28 +0200
Using Spring Boot+zxing, generating two-dimensional code can be as simple as that.
In website development, we often encounter the situation of generating two-dimensional codes, such as using Wechat payment, web page login, etc. This paper shares an example of generating two-dimensional codes by Spring Boot, which uses the zxing tool class of google.
Contents of this article
Introduction of Two-Dimensional Code2. Writi ...
Posted by Kaboom on Wed, 04 Sep 2019 05:48:43 +0200