Programmer Think

I. deployment Designer 1. Put flowable-idm.war and flowable-modeler.war into the webapps directory of tomcat, and then start Tomcat. 2. Access in browser http://localhost:8080/flowable-modeler , user name / password: admin/test login, save and export the file after designing the process. Two code 1 create a process engine and deploy a pro ...

I. Introduction to dynamic SQL   dynamic SQL is the most powerful function of MyBatis, in essence, splicing SQL statements according to conditions.   I always thought that dynamic SQL was only supported by the configuration of XxxMapper.xml, but I didn't expect that MyBatis in the annotation v ...

Background If spring project needs to test small functions, it takes time and effort to start the whole project. You can use spring test package to unit test, accelerate project development and testing. Two, use 1. Add maven dependency <dependency> <groupId>junit</groupId> ...

XPath overview: XPath, the full name of XML Path Language, namely XML Path Language, is a language for finding information in XML documents. It was originally used to search XML documents, but it is also suitable for HTML documents. Common rules of XPath Expression describe nodename Pick all ...

1. Create a parent project, file > New > project, as shown in the following figure: Click Project to open the following interface: Click Next, as shown below: Note: because springboot is an external network, it may not be able to be opened. It needs to be opened through an agent. The agent recommends using SSR win 4.7.0-fix (down ...

1. First, we set the Dialog layout file, Download Dialog.xml: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="16dp"> <TextV ...

Article directory 1. installation 2. Create your first test case 3. Execute multiple test cases 4. Trigger an assertion of the specified exception 5. Organize multiple test cases in a class 6. Apply for a unique temporary directory pytest is a framework that can simplify the construction of test sy ...

Article directory Spring 1. Concepts of dependency injection (DI) and inversion of control (IOC) 2 create maven project steps 3 dependency injection 3.1 dependency injection String, class object 3.2 dependency injection List,Array,Map,Set 3.3 dependency injection internal bean object 3.4 null and n ...

I saw that someone else had a medal of 1024, and I specially left one on October 24 this year to see if I could get it. In the daily development, it may involve the mutual call between interfaces. Although under the promotion of the concept of microservice, many companies use the lightweight JSON fo ...

Catalog 1. Use scenario 2. Principle of multi thread Download 3. How to download the request in sections 3.1. How to segment the requested data. 3.2. How to assemble the data downloaded in sections into a complete data file. 4. Key code implementation 3. Achievements 4, summary 5. Reference ...