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case multi-branch statement The structure of case statement: Execute different command lines for different values of variables case variable value in Mode 1) Command Sequence 1 ;; Mode 2) Command Sequence 2 ;; ..... *) Default command sequence esac Example: Character type recognition: Prompt the user to enter a character ...

Project Host Configuration Based on Virtual Directory In Tomcat, the default virtual directory is webapps, but for the project location, we can also set up Context to achieve, a Host can set up more than one Context; <Host name="localhost" appBase="webapps" unpackWARs="true" autoDeploy="true" xm ...

Realm Profile: Again, data domains, Shiro, and connectors for secure data are like jdbc connecting to databases; getting information about authentication and authorization through realm realm effect: Shiro retrieves security data from Realm The default home realm: idae looks at realm inheritance relationships with default implementations a ...

Project background In the following example, Pod contains two containers: tomcat and busybox. Volume "app-logs" is set at the Pod level for tomcat to write log files to and busybox to read log files. # cat pod-volume-applogs.yaml  apiVersion: v1 kind: Pod metadata:   name: volume-pod spec:   containers:   - name: tomcat    image: tom ...

Assignment: Return the name of the student who scored the highest mark for each course. t_score_data.txt zhangsan math:90,english:60 lisi chinese:80,math:66,english:77 wangwu chinese:66,math:55,english:80 Return the names of the students for each course and for the highest score chinese ...

JSTL tag library JSTL Standard Label Library; JSTL is used to simplify JSP development and improve code readability and maintainability. JSTL is defined by SUN(Oracle) and implemented by Apache Tomcat team. Reference to JSTL Core Library Core is the most important tag library of JSTL, which provides the basic functions of JSTL. <%@ taglib ...

Maven's Core Concept 1. coordinates Maven coordinates consist of main components (GAV) to determine the location of a jar package groupId: Defines the current Maven organization name artifactId: Define the actual project name Version: Defines the current version of the current project 2. Finding coordinates Visit http://www.mvnrepository.co ...

1. installation 1.1 Install gcc gcc-c++ (If new environment is not installed, please install first) $ yum install -y gcc gcc-c++ 1.2 Installation of the PCR E Library $ cd /usr/local/ $ wget http://jaist.dl.sourceforge.net/project/pcre/pcre/8.33/pcre-8.33.tar.gz $ tar -zxvf pcre-8.36.tar.gz $ cd ...

Links to the original text: http://www.cnblogs.com/NewIdea/p/deploy-wordcount-topology.html In the last blog, we passed Storm.Net.Adapter Create a Storm Topology - word count written in Csharp. This article describes how to write Java-s ...

Tomcat Source Analysis I: Compiling Tomcat Source Code 1 Content Introduction In the previous "Servlet and Tomcat Running Example" article, we will show you how to deploy Servlet application in Tomcat. This article will start Tomcat source code analysis journey on the basis of the above, I will analyze the starting process and operati ...