cchacin

@startuml
skinparam handwritten true
skinparam monochrome true
skinparam packageStyle rect
skinparam defaultFontName FG Virgil
skinparam shadowing false

package "Some Group" {
  HTTP - [First Component]
  [Another Component]

cchacin

$ hdiutil convert -format UDRW -o xubuntu-17.10-desktop-amd64.img xubuntu-17.10-desktop-amd64.iso
$ sudo dd if=xubuntu-17.10-desktop-amd64.img.dmg of=/dev/rdisk2 bs=1m

cchacin

Keybase proof

I hereby claim:

• I am cchacin on github.
• I am cchacin (https://keybase.io/cchacin) on keybase.
• I have a public key ASDU5xW3-2hE6JThVsZ8dgTJJ2ZJOv_o9Ukkh7_rpw1gaQo

To claim this, I am signing this object:

cchacin

Optionals vs. Nulls

Given a computer object get the USB version of the computer's soundcard, and if it's null return UNKNOWN

Java 7 traditional approach

class Computer {
    private final Soundcard soundcard;

    Computer(final Soundcard soundcard) {

cchacin

{
  "cmd": "javac *.java && java {FILE_ACTIVE_NAME_BASE}",
  "name": "{FILE_ACTIVE}",
  "args": [ ],
  "sh": true,
  "cwd": "{FILE_ACTIVE_PATH}",
  "env": {
  },
  "errorMatch": "^(?<file>[^\\.]+.java):(?<line>\\d+):(?<col>\\d+)"
}

cchacin

<resources>
    <Service id="jsonProvider" class-name="org.apache.cxf.jaxrs.provider.json.JSONProvider">
        dropRootElement=true 
        supportUnwrapped = true 
        dropCollectionWrapperElement=true 
        serializeAsArray = true 
    </Service>
</resources>

cchacin

enter ~/Git/work/([^/]+)
  if [ -r .git ]; then
    git config user.name "Username";
    git config user.email "user@work.com";
    echo 'Switched to git user/email settings for cchacin@work.com - WORK.';
  fi

enter ~/Git/personal/([^/]+)
  if [ -r .git ]; then
    git config user.name "Username";

cchacin

import org.jboss.shrinkwrap.resolver.api.maven.Maven;

import java.io.File;
import java.util.Date;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

public class Dependencies {

cchacin

<openejb-jar xmlns="http://www.openejb.org/openejb-jar/1.1"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://www.openejb.org/openejb-jar/1.1">
    <pojo-deployment  class-name="jaxrs-application">
        <properties>
            cxf.jaxrs.providers = jsonProvider
        </properties>
    </pojo-deployment>
</openejb-jar>

cchacin

<openejb-jar xmlns="http://www.openejb.org/openejb-jar/1.1" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://www.openejb.org/openejb-jar/1.1">
    <pojo-deployment  class-name="jaxrs-application">
        <properties>
            cxf.jaxrs.providers = com.fasterxml.jackson.jaxrs.json.JacksonJaxbJsonProvider
        </properties>
    </pojo-deployment>
</openejb-jar>