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

ActiveMQ learning note 5 -- the transmission protocol of ActiveMQ

1. Introduction In the previous receiving ActiveMQ and code cases, you have configured: broker-url: tcp://192.168.106.131:61616 See the default protocol of ActiveMQ for TCP. However, ActiveMQ processing supports TCP thank you. It also supports client broker communication protocols: TCP, NIO, UDP, ...

Posted by bigger on Sat, 27 Jun 2020 02:27:07 -0700

Beauty of mybatis source code: 2.7. Analyze the plugins element to complete the configuration of mybatis plug-in

Parse the plugins element to complete the configuration of mybatis plug-in > Click to see the usage of the typeAliases element The plug-in mechanism of Mybtis is a very powerful function, which allows us to cut into the inside of Mybatis to perform some of the things we want to do during the operation of Mybatis. Page helper, a popular pagin ...

Posted by mistercoffee on Fri, 26 Jun 2020 20:44:20 -0700

Kotlin_RecyclerView_ Pull up refresh 1

For the basic implementation of RecyclerView, refer to the previous article: https://blog.csdn.net/whjk20/article/details/106950422 The reality is that the recycle view's pull-up refresh loads more. Basic implementation logic: the last entry has two statuses: one is prompt loading, the other is pro ...

Posted by jeroom on Fri, 26 Jun 2020 20:09:57 -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

Comprehensive analysis Service of Android components

preface Service is a solution to realize the background running of programs in Android, which is very suitable for performing tasks that do not need to interact with users and run for a long time. main points It depends on the application process in which the service is created, rather than running ...

Posted by clank on Thu, 25 Jun 2020 03:46:33 -0700

AOP of Spring core

What is AOP AOP (aspect oriented programming): aspect oriented programming is a complement to traditional object-oriented programming. What do you mean? For example, in the above figure, there are many identical function codes in different methods. Then we can extract these identical function codes an ...

Posted by poring on Thu, 25 Jun 2020 03:36:00 -0700

My architecture dream: details of Tomcat server core configuration

Tomcat server core configuration details 1, Main label structure 2, Server label 3, Service tag 4, Executor label 5, Connector label 6, Engine tag 7, Host label 8, Context label be careful: Tomcat is the configuration of the server, mainly conf/server.xml File configuration; server.xml It cont ...

Posted by kelvin on Wed, 24 Jun 2020 23:47:05 -0700

C-crawler preliminary -- picture downloader

The implementation of a simple crawler mainly includes two aspects: obtaining the HTML text of the specified web page; parsing the HTML text obtained in the previous step to obtain the required information, for the picture downloader, it is to parse the path of each picture on the network from the HTML ...

Posted by EOS on Wed, 24 Jun 2020 22:06:26 -0700

Supplement animation of android animation

Mending animation Animation classification Mending animation Animation classification rules translate animation scale animation rotate animation Transparency animation alpha Animation combination set Code address Animation classification Mending animation There are four operations: Pan, zoo ...

Posted by davitz38 on Wed, 24 Jun 2020 20:37:31 -0700