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00: ⏯ MySQL database beginner video tutorial

Step by step MySQL video tutorial to get started with MySQL database. Any decent self-taught projects require a database to store & retrieve data.

SQL Interview Q&As

1. 14 FAQ SQL Interview Questions & Answers.

2. 9 SQL scenarios based interview questions answered.…

01: 14 Unix must-know interview Q&As

Q1 How do you remove the Control-M characters from a file? A1 Using the sed command that replaces Control-M with nothing

sed 's/^M//g' ReadWriteFile.sh > ReadWriteFileNew.sh

1	sed 's/^M//g' ReadWriteFile.sh > ReadWriteFileNew.sh

Note: The ^M is typed on the command…

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01: Drools tutorial with Maven and Eclipse

Drools is an open source rules engine that allows you to externalize the business rules.

This tutorial assumes that you have gone through “Setting up Java, Maven, and Eclipse.” Once you have gone through the following steps, you should have a project structure as shown below.

Step 1: Create a new Maven project

C:\Temp\Java\projects>mvn archetype:generate -DgroupId=com.mytutorial

…

01: JasperReports with iReport tutorial

JasperReports is a popular reporting framework/tool to produce reports in PDF, XLS, etc.

Step 1: Define a Person.java POJO class as defined below. This is the Java bean data source that is going to provide the data to the report.

package com.mycompany.app.jasper;

public class Person
{
    private String firstName;
    private String surname;
    private Integer age;
    
    public String getFirstName()
    {
        return firstName;
    }
    
    public void setFirstName(String firstName)
    {
        this.firstName

…

01: Websphere MQ Client API Tutorial – Message Sender

Step 1: You need to have the Webspeher MQ client jar “com.ibm.mq.allclient.jar” in your project at “${basedir}/lib”. You can refer to it via Maven as a local file based repository.


<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

	//.....
		
    	<properties>
		    <maven.compiler.source>1.7</maven.compiler.source>
		    <maven.compiler.target>1.7</maven.compiler.target>
		    <mq-client.version>8.0.0.0</mq-client.version>
		</properties>

		<repositories>
		    <repository>
			   <id>localrepository</id>
			   <url>file://${basedir}/lib</url>
		    </repository>
		</repositories>
		
		<dependencies>
            <!-- Websphere MQ Implementation -->
		    <dependency>
			    <groupId>com.ibm.mq</groupId>

…

02: Drools tutorial — A non trivial example with step by step instructions

Drools allow you to externalize business rules to a database, excel spreadsheet, etc. In this tutorial let’s look at an OrderItem scenario where each OrderItem needs to be put through…

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02: JasperReports generating an Excel file

This is an extension to the JasperReport step by step tutorial (Part-1) to demonstrate how to generate a Excel file from the Main.java. To generate an Excel file, you need…

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02: Websphere MQ Client API Tutorial – Message Receiver

Step 1: You need to have the Webspeher MQ client jar “com.ibm.mq.allclient.jar” in your project at “${basedir}/lib”. You can refer to it via Maven as a local file based repository.


<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

	    //.....
		
    	<properties>
		    <maven.compiler.source>1.7</maven.compiler.source>
		    <maven.compiler.target>1.7</maven.compiler.target>
		    <mq-client.version>8.0.0.0</mq-client.version>
		</properties>

		<repositories>
		    <repository>
			   <id>localrepository</id>
			   <url>file://${basedir}/lib</url>
		    </repository>
		</repositories>
		
		<dependencies>
            <!-- Websphere MQ Implementation -->
		    <dependency>
			    <groupId>com.ibm.mq</groupId>

…

03: Drools with Decision tables (Excel spreadsheet) tutorial

This is an extension to Drools tutorial with Maven. This externalize the rules criteria to an Excel spreadsheet license.xls. This means the age condition is supplied in the xls file under…

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03: JasperReports pass parameters

The part 1 was a comprehensive beginner style Jasper Reports tutorial. This extends that to demonstrate how to pass parameters via a Map using name/value pairs to the Jasper Reports….

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Blog Archives

00: ⏯ MySQL database beginner video tutorial

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SQL Interview Q&As

01: 14 Unix must-know interview Q&As

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01: Drools tutorial with Maven and Eclipse

01: JasperReports with iReport tutorial

01: Websphere MQ Client API Tutorial – Message Sender

02: Drools tutorial — A non trivial example with step by step instructions

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02: JasperReports generating an Excel file

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02: Websphere MQ Client API Tutorial – Message Receiver

03: Drools with Decision tables (Excel spreadsheet) tutorial

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03: JasperReports pass parameters

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