The second Spring source! XML file parsing process

Spring source code continues to open! Last article In, brother song shared with you the loading method of configuration files in Spring. If you haven't seen it yet, you must have a look at it first, which will help you better understand this article. Portal: The first part of Spring source code is open and complete! How is the configuration fil ...

Posted by MastahUK on Mon, 22 Jun 2020 05:05:50 +0200

Mobile GIS Development: mobile base station positioning + offline slice map (vector vtpk + grid tpk) navigation Android APP

catalog Write at the beginning text 1, Interface layout 2, Function realization 1. Display online map and positioning 2. Acquisition and display of base station information 3. Acquisition and analysis of geographic information 4. Display grid offline map (. tpk) 5. Display vector offline map ...

Posted by jesirose on Sun, 21 Jun 2020 12:54:19 +0200

Fall 2018 web training log 0928

Morning: AOP programming: Notification class, target class, enhanced code, weaving process, join point (pointcut) Pre notice, post notice, final notice, exception notice AOP can be used to isolate all parts of business logic, so as to reduce the coupling between all parts of business logic, Improve ...

Posted by bazza84 on Sun, 21 Jun 2020 12:46:06 +0200

Building of Hadoop distributed environment

This note is written by myself with reference to Lin Ziyu's teaching documents. Please refer to the database Laboratory of Xiamen University for details Personal built hadoop platform practical environment: Ubuntu 14.04 64 bit * 3, JDK1.8, Hadoop 2.6.5 (apache) 1, Hadoop preparation before instal ...

Posted by caspert_ghost on Sun, 21 Jun 2020 11:11:30 +0200

java framework SSM learning -- Spring's transaction control

When it comes to Spring AOP, we are going to enhance transaction control by ourselves, and the Spring framework is ready for us to use these functions. Of course, don't think that SrpingAOP can only enhance the transaction function. AOP can be used to enhance any method you want to enhance. So how do ...

Posted by supernova on Sun, 21 Jun 2020 10:18:32 +0200

Spring usage - AOP

1, What is the role of AOP Through AOP, we can isolate all parts of the business logic, so as to reduce the coupling between various modules. At the same time, we can add new functions to the backbone functions without modifying the source code Underlying principle Dynamic proxy used Dynamic agen ...

Posted by skeener on Sun, 21 Jun 2020 08:45:21 +0200

MyBatis - Introduction

MyBatis - Introduction Frame at a glance: (1) Framework to solve technology integration problems: Spring framework is created due to the complexity of software development. (2) The MVC framework to solve the problem of WEB layer: Spring MVC. (3) The framework to solve the problem of data persistence: ...

Posted by hookit on Fri, 19 Jun 2020 06:20:22 +0200

mybatis source code - initialization configuration

Our debugging environment: Debug code: public class MyaaTest { public static void main(String[]args) { String resource = "config.xml"; try { //1. Read configuration file InputStream in= Resources.getResourceAsStream(resource); SqlSessionFactor ...

Posted by gere06 on Wed, 17 Jun 2020 07:42:02 +0200

Web loading speed optimization

introduction Due to the recent work requirements, the user's loading speed needs to be greatly optimized.Next, I will make a summary from the aspect of network request optimization. 😀 Some pictures are Sprite Sprite map is also called CSS sprite. It is a kind of CSS image synthesis technology, which can reduce network requests by making multipl ...

Posted by nano on Mon, 15 Jun 2020 09:28:52 +0200

J2EE project instance super detail

J2WEB course design example I found a good article about database query display error: Analysis of mysql coding errors. And then I have a crack free version navicat . extraction code: dv6k catalog Project Name: xixijiaxiang online e-book City Project background: (if I think about it myself, I won ...

Posted by brucensal on Mon, 15 Jun 2020 07:23:16 +0200