Learn Java design mode again: actual memo mode "simulate the scenario of profile rollback during the online process of Internet system"

Author: little brother FuBlog: https://bugstack.cn -Original series of special articles Precipitation, sharing, growth, so that they and others can have a harvest! 😄 1, Preface Can't it be an excuse for R & D? Sometimes the function complexity is high and it is difficult to realize, sometimes the construction period is short and the impleme ...

Posted by emmbec on Sun, 28 Jun 2020 21:45:05 -0700

Construction of koa2 view layer for Js full stack development

koa2 view layer construction Next to the previous one koa2 routing and mvc building in Js full stack development Let's continue to learn about koa2. In the previous article, we split the project into route, controller and service layers according to the mvc architecture, but the view layer and control ...

Posted by ShugNorris on Sun, 28 Jun 2020 19:06:29 -0700

Ajax class notes

Ajax class notes jQuery simplifies js, mainly dom operation Find it (selector) Do it (dom operation method) selector Basic selector $("div") $("#div") $(".cls") Level selector $("div span"): a selector connected with spaces to find descendants $("div > span"): use t ...

Posted by nomanoma on Sat, 27 Jun 2020 18:55:02 -0700

[spring cloud learning note 8] use and precautions of spring cloud stream

Use of spring cloud stream 1, Introduction to SpringCloud Stream In the actual development, there are various kinds of message processing middleware (MQ), but if you learn all MQ, the learning cost is too high, and the emergence of spring cloud stream can ignore the difference of message middleware ...

Posted by Ziq on Fri, 26 Jun 2020 22:24:45 -0700

Design of universal interface for accessing c + + relational database (JSON-ORM c + +)

Re operate the old c + + business and get used to the usual database operation mode, so take the time to encapsulate a C + + version of JSON orm. Now it supports sqlit3 and mysql, and postgres is ready. Design ideas Our general ORM, the basic pattern is to want to break away from the database, almost all in the programming language level model, ...

Posted by thedarkwinter on Thu, 25 Jun 2020 22:42:57 -0700

Android beauty group chooses cities

Demand: need to have the current positioning City, hot city, next according to the city Pinyin order, sliding process letters A,B,C They'll set the top and switch to each other. The right side has the choice of fast switching letter cities design sketch: Idea: because the upper part needs to be ...

Posted by gmann001 on Thu, 25 Jun 2020 21:02:48 -0700

springMVC exception interceptor file upload

Asynchronous call Send asynchronous requests (review) <a href="javascript:void(0);" id="testAjax">Visit controller</a> <script type="text/javascript" src="/js/jquery-3.3.1.min.js"></script> <script type="text/javascript"> $(function(){ $("#testAjax").click(funct ...

Posted by liquid79 on Thu, 25 Jun 2020 18:21:59 -0700

Skillfully use RabbitMQ and integrate Spring AMQP

1. Introduction to rabbitadmin rely on <dependency> <groupId>com.rabbitmq</groupId> <artifactId>amqp-client</artifactId> <version>3.6.5</version> </dependency> <!--Rabbit SpringBoot--> <dependency> ...

Posted by RyanDev on Thu, 25 Jun 2020 02:31:54 -0700

ASP.NET Progressive application of core blazer webassembly (PWA)

Blazor supports progressive application development, or PWA. Using PWA mode can make web application have the experience of native application. What is PWA PWA application refers to those web applications developed by using specified technology and standard pattern, which will give them the characteristics of web application and native appli ...

Posted by bosco500 on Wed, 24 Jun 2020 19:55:24 -0700

Problems encountered in SpringBoot 2.3.5 Integrating redis cache custom JSON serialization.

Currently, I am learning springboot from teacher Lei Fengyang in Silicon Valley. The springboot version used in the teacher's course is 1.5, while I use 2.3.5. The difference between the 2.x and 1.x versions of springboot is quite significant, with many of the underlying code changed and quite a bit cha ...

Posted by rantsh on Wed, 24 Jun 2020 18:31:20 -0700