SpringBoot+RabbitMQ learning notes Topic of three switches using RabbitMQ
I. Introduction
Topic Exchange Match the routing key to a pattern. At this time, the queue needs to be bound to a mode. The symbol "ා" matches one or more words, and the symbol "*" does not match many words. So "audit. *" can match "audit.irs.corporate", but "audit. *" only matches "audit.i ...
Added by jholzy on Tue, 28 Apr 2020 19:52:58 +0300
Compilesdkversion minsdkversion targetsdkversion in gradle
targetSdkVersion
The most interesting of the three version numbers is targetSdkVersion. targetSdkVersion is the main basis for Android to provide forward compatibility. The system will not apply the latest behavior changes until the targetSdkVersion of the application is updated. This allows you to ...
Added by Eggzorcist on Thu, 05 Mar 2020 12:55:26 +0200
java8 stream interface terminal operation collect operation
Before that, we talked about the stream operation in java8, which is divided into intermediate operation and terminal operation. In terminal operation, we also saw the reduction mode. This article mainly refers to the reduction operation mode collection, collector operation and collector operation, which can be regarded as a mo ...
Added by Reviresco on Thu, 13 Feb 2020 22:34:28 +0200
3. SpringBoot ------ email (1)
Development tools: STS
Code download link: https://github.com/theIndoorTrain/Springboot/tree/8878e8e89ce01ceb967ef8c1193ac740a6f7dd40
Preface:
On your birthday, Tencent will send you a beautiful birthday wish email
When you register an account on a website, you often need to activate the verification in the email
Let's talk about this tec ...
Added by sssphp on Thu, 13 Feb 2020 18:53:30 +0200
Introduction to Spring Boot Starters
Article Directory
Web Start
Test Starter
Data JPA Starter
Mail Starter
conclusion
Dependencies are a very important aspect of any complex project that requires attention and information. Important as they are, we don't need to spend too much time on them, because dependencies are just a framework. ...
Added by haironfire on Thu, 23 Jan 2020 03:04:14 +0200
Java chain method call
Article directory
Traditional way
Chain method
Automatic generation of idea
It is often seen that some codes are initialized with consecutive. set() methods, which are chained method calls.
Traditional way
In general, when initializing an object, we can call the. set() method to assign a value t ...
Added by spudly on Mon, 20 Jan 2020 16:43:03 +0200
Day 17 of learning java - Java collection framework
Java collection framework
Java collection overview
Front storage objects, arrays, disadvantages
A Java collection is like a container in which you can put references to multiple objects.
Java collection classes can be used to store multiple objects with different numbers, and can also be used to store ...
Added by thepip3r on Wed, 15 Jan 2020 15:01:36 +0200
The way of learning jdbc (2)
dao idea: establish a data interface:
Step: 1) create a database
2) Set up the package com > shadow > domian in the project (for storing object classes)
Establish object classes according to the tables in the database (in accordance with the javabean specification)
3) Set up the package com? Shadow? Dao in the project ...
Added by KCAstroTech on Sat, 04 Jan 2020 11:38:46 +0200
Basic usage of dbutils
I used the connection pool of c3p0 here. Please refer to this link: The basic usage of c3p0
dbutils is just a tool class. If you don't use hibernate, you can consider using. Because it can greatly simplify our code
The jar package can be downloaded on the official website or here: The tool class of Java connecting database
...
Added by LordTyphon on Thu, 26 Dec 2019 22:46:04 +0200
springboot configuration file
1. YAML Syntax
1. Basic Grammar
The k-space v represents a pair of key-value pairs (which must have spaces) and controls hierarchical relationships by indentation of the spaces. A left-aligned column of data represents the same hierarchy.Property and value case sensitive
1 server:
2 port: 8081
3 servlet-path: /hello
2. Rules f ...
Added by stweaker on Tue, 10 Dec 2019 15:07:55 +0200