alainlompo

mvn clean package tomcat7:redeploy -Dtomcat.url=http://your-url:portnumberhere/manager/text -Dtomcat.user=your-user -Dtomcat.password=your-password

alainlompo

import java.util.ArrayList;
import java.util.List;
import java.util.Optional;

public class SafelyAvoidingNull {
	public static void main(String[] args) {
		List<String> strings = null;
		int initialSize = Optional.ofNullable(strings).orElse(new ArrayList<String>()).size();
		System.out.println(initialSize);
	}

alainlompo

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

public class Optionalizable {
	
	public static Optional<Integer> getMaxLengthFrom(List<String> stringList) {		

alainlompo

@Override
public String toString() {
	return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
}

alainlompo

installed.packages(lib.loc = NULL, priority = NULL,
+                    noCache = FALSE, fields = NULL,
+                    subarch = .Platform$r_arch)

alainlompo

<build>
    <plugins>
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>2.7.1</version>
        <configuration>
            <parallel>classes</parallel>
            <threadCount>5</threadCount>
        </configuration>

alainlompo

<!-- At this time junit 4.12 is available but there is a bug with it in regard to running Junit tests in Eclipse with the run contextual menu option -->
<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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.lompo.banking</groupId>
  <artifactId>playground</artifactId>
  <packaging>jar</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>playground</name>
  <url>http://maven.apache.org</url>

alainlompo

package org.lompo.banking.utils.maths;

import static org.junit.Assert.assertEquals;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

alainlompo

package org.lompo.banking.utils.maths;

public class BasicMaths {
	private BasicMaths() {}
	
	public static double PI_I() {
		return 22.0/7.0;
	}
	
	public static double PI_II() {

alainlompo

# applying the filterings on a data set called agadez
# filtering by the pm25tmean2 column and retaining the values that are greater and 30
moreThan30PM25 <- filter(agadez, pm25tmean2 > 30)

# get summary stats
summary(moreThan30PM25$pm25tmean2)

# Adding the temperature condition to the filter
moreThan30PM25And80DegF <- filter(agadez, pm25tmean2 > 30 & tmpd > 80)